Merge Formatting Changes

Issue gh-8945

acl/src/main/java/org/springframework/security/acls/AclEntryVoter.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
 import java.lang.reflect.InvocationTargetException;
@@ -24,6 +25,7 @@ import java.util.List;
 import org.aopalliance.intercept.MethodInvocation;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.springframework.security.access.AuthorizationServiceException;
 import org.springframework.security.access.ConfigAttribute;
 import org.springframework.security.access.vote.AbstractAclVoter;
@@ -39,6 +41,7 @@ import org.springframework.security.acls.model.Sid;
 import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
 /**
@@ -92,59 +95,45 @@ import org.springframework.util.StringUtils;
  * <p>
  * All comparisons and prefixes are case sensitive.
  *
- *
  * @author Ben Alex
  */
 public class AclEntryVoter extends AbstractAclVoter {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	private static final Log logger = LogFactory.getLog(AclEntryVoter.class);
 
-	// ~ Instance fields
-	// ================================================================================================
+	private final AclService aclService;
+
+	private final String processConfigAttribute;
+
+	private final List<Permission> requirePermission;
 
-	private AclService aclService;
 	private ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy = new ObjectIdentityRetrievalStrategyImpl();
+
 	private SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
-	private String internalMethod;
-	private String processConfigAttribute;
-	private List<Permission> requirePermission;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private String internalMethod;
 
-	public AclEntryVoter(AclService aclService, String processConfigAttribute,
-			Permission[] requirePermission) {
+	public AclEntryVoter(AclService aclService, String processConfigAttribute, Permission[] requirePermission) {
 		Assert.notNull(processConfigAttribute, "A processConfigAttribute is mandatory");
 		Assert.notNull(aclService, "An AclService is mandatory");
-
-		if ((requirePermission == null) || (requirePermission.length == 0)) {
-			throw new IllegalArgumentException(
-					"One or more requirePermission entries is mandatory");
-		}
-
+		Assert.isTrue(!ObjectUtils.isEmpty(requirePermission), "One or more requirePermission entries is mandatory");
 		this.aclService = aclService;
 		this.processConfigAttribute = processConfigAttribute;
 		this.requirePermission = Arrays.asList(requirePermission);
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	/**
 	 * Optionally specifies a method of the domain object that will be used to obtain a
 	 * contained domain object. That contained domain object will be used for the ACL
 	 * evaluation. This is useful if a domain object contains a parent that an ACL
 	 * evaluation should be targeted for, instead of the child domain object (which
 	 * perhaps is being created and as such does not yet have any ACL permissions)
-	 *
 	 * @return <code>null</code> to use the domain object, or the name of a method (that
 	 * requires no arguments) that should be invoked to obtain an <code>Object</code>
 	 * which will be the domain object used for ACL evaluation
 	 */
 	protected String getInternalMethod() {
-		return internalMethod;
+		return this.internalMethod;
 	}
 
 	public void setInternalMethod(String internalMethod) {
@@ -152,13 +141,11 @@ public class AclEntryVoter extends AbstractAclVoter {
 	}
 
 	protected String getProcessConfigAttribute() {
-		return processConfigAttribute;
+		return this.processConfigAttribute;
 	}
 
-	public void setObjectIdentityRetrievalStrategy(
-			ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
-		Assert.notNull(objectIdentityRetrievalStrategy,
-				"ObjectIdentityRetrievalStrategy required");
+	public void setObjectIdentityRetrievalStrategy(ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
+		Assert.notNull(objectIdentityRetrievalStrategy, "ObjectIdentityRetrievalStrategy required");
 		this.objectIdentityRetrievalStrategy = objectIdentityRetrievalStrategy;
 	}
 
@@ -167,103 +154,60 @@ public class AclEntryVoter extends AbstractAclVoter {
 		this.sidRetrievalStrategy = sidRetrievalStrategy;
 	}
 
+	@Override
 	public boolean supports(ConfigAttribute attribute) {
-		return (attribute.getAttribute() != null)
-				&& attribute.getAttribute().equals(getProcessConfigAttribute());
+		return (attribute.getAttribute() != null) && attribute.getAttribute().equals(getProcessConfigAttribute());
 	}
 
-	public int vote(Authentication authentication, MethodInvocation object,
-			Collection<ConfigAttribute> attributes) {
-
+	@Override
+	public int vote(Authentication authentication, MethodInvocation object, Collection<ConfigAttribute> attributes) {
 		for (ConfigAttribute attr : attributes) {
-
-			if (!this.supports(attr)) {
+			if (!supports(attr)) {
 				continue;
 			}
+
 			// Need to make an access decision on this invocation
 			// Attempt to locate the domain object instance to process
 			Object domainObject = getDomainObjectInstance(object);
 
 			// If domain object is null, vote to abstain
 			if (domainObject == null) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Voting to abstain - domainObject is null");
-				}
-
+				logger.debug("Voting to abstain - domainObject is null");
 				return ACCESS_ABSTAIN;
 			}
 
 			// Evaluate if we are required to use an inner domain object
-			if (StringUtils.hasText(internalMethod)) {
-				try {
-					Class<?> clazz = domainObject.getClass();
-					Method method = clazz.getMethod(internalMethod, new Class[0]);
-					domainObject = method.invoke(domainObject);
-				}
-				catch (NoSuchMethodException nsme) {
-					throw new AuthorizationServiceException("Object of class '"
-							+ domainObject.getClass()
-							+ "' does not provide the requested internalMethod: "
-							+ internalMethod);
-				}
-				catch (IllegalAccessException iae) {
-					logger.debug("IllegalAccessException", iae);
-
-					throw new AuthorizationServiceException(
-							"Problem invoking internalMethod: " + internalMethod
-									+ " for object: " + domainObject);
-				}
-				catch (InvocationTargetException ite) {
-					logger.debug("InvocationTargetException", ite);
-
-					throw new AuthorizationServiceException(
-							"Problem invoking internalMethod: " + internalMethod
-									+ " for object: " + domainObject);
-				}
+			if (StringUtils.hasText(this.internalMethod)) {
+				domainObject = invokeInternalMethod(domainObject);
 			}
 
 			// Obtain the OID applicable to the domain object
-			ObjectIdentity objectIdentity = objectIdentityRetrievalStrategy
-					.getObjectIdentity(domainObject);
+			ObjectIdentity objectIdentity = this.objectIdentityRetrievalStrategy.getObjectIdentity(domainObject);
 
 			// Obtain the SIDs applicable to the principal
-			List<Sid> sids = sidRetrievalStrategy.getSids(authentication);
+			List<Sid> sids = this.sidRetrievalStrategy.getSids(authentication);
 
 			Acl acl;
 
 			try {
 				// Lookup only ACLs for SIDs we're interested in
-				acl = aclService.readAclById(objectIdentity, sids);
+				acl = this.aclService.readAclById(objectIdentity, sids);
 			}
-			catch (NotFoundException nfe) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Voting to deny access - no ACLs apply for this principal");
-				}
-
+			catch (NotFoundException ex) {
+				logger.debug("Voting to deny access - no ACLs apply for this principal");
 				return ACCESS_DENIED;
 			}
 
 			try {
-				if (acl.isGranted(requirePermission, sids, false)) {
-					if (logger.isDebugEnabled()) {
-						logger.debug("Voting to grant access");
-					}
-
+				if (acl.isGranted(this.requirePermission, sids, false)) {
+					logger.debug("Voting to grant access");
 					return ACCESS_GRANTED;
 				}
-				else {
-					if (logger.isDebugEnabled()) {
-						logger.debug("Voting to deny access - ACLs returned, but insufficient permissions for this principal");
-					}
-
-					return ACCESS_DENIED;
-				}
+				logger.debug("Voting to deny access - ACLs returned, but insufficient permissions for this principal");
+				return ACCESS_DENIED;
 			}
-			catch (NotFoundException nfe) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Voting to deny access - no ACLs apply for this principal");
-				}
-
+			catch (NotFoundException ex) {
+				logger.debug("Voting to deny access - no ACLs apply for this principal");
 				return ACCESS_DENIED;
 			}
 		}
@@ -271,4 +215,27 @@ public class AclEntryVoter extends AbstractAclVoter {
 		// No configuration attribute matched, so abstain
 		return ACCESS_ABSTAIN;
 	}
+
+	private Object invokeInternalMethod(Object domainObject) {
+		try {
+			Class<?> domainObjectType = domainObject.getClass();
+			Method method = domainObjectType.getMethod(this.internalMethod, new Class[0]);
+			return method.invoke(domainObject);
+		}
+		catch (NoSuchMethodException ex) {
+			throw new AuthorizationServiceException("Object of class '" + domainObject.getClass()
+					+ "' does not provide the requested internalMethod: " + this.internalMethod);
+		}
+		catch (IllegalAccessException ex) {
+			logger.debug("IllegalAccessException", ex);
+			throw new AuthorizationServiceException(
+					"Problem invoking internalMethod: " + this.internalMethod + " for object: " + domainObject);
+		}
+		catch (InvocationTargetException ex) {
+			logger.debug("InvocationTargetException", ex);
+			throw new AuthorizationServiceException(
+					"Problem invoking internalMethod: " + this.internalMethod + " for object: " + domainObject);
+		}
+	}
+
 }

acl/src/main/java/org/springframework/security/acls/AclPermissionCacheOptimizer.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
 import java.util.ArrayList;
@@ -21,6 +22,8 @@ import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.access.PermissionCacheOptimizer;
 import org.springframework.security.acls.domain.ObjectIdentityRetrievalStrategyImpl;
 import org.springframework.security.acls.domain.SidRetrievalStrategyImpl;
@@ -38,45 +41,42 @@ import org.springframework.security.core.Authentication;
  * @since 3.1
  */
 public class AclPermissionCacheOptimizer implements PermissionCacheOptimizer {
+
 	private final Log logger = LogFactory.getLog(getClass());
+
 	private final AclService aclService;
+
 	private SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
+
 	private ObjectIdentityRetrievalStrategy oidRetrievalStrategy = new ObjectIdentityRetrievalStrategyImpl();
 
 	public AclPermissionCacheOptimizer(AclService aclService) {
 		this.aclService = aclService;
 	}
 
+	@Override
 	public void cachePermissionsFor(Authentication authentication, Collection<?> objects) {
 		if (objects.isEmpty()) {
 			return;
 		}
-
 		List<ObjectIdentity> oidsToCache = new ArrayList<>(objects.size());
-
 		for (Object domainObject : objects) {
-			if (domainObject == null) {
-				continue;
+			if (domainObject != null) {
+				ObjectIdentity oid = this.oidRetrievalStrategy.getObjectIdentity(domainObject);
+				oidsToCache.add(oid);
 			}
-			ObjectIdentity oid = oidRetrievalStrategy.getObjectIdentity(domainObject);
-			oidsToCache.add(oid);
-		}
-
-		List<Sid> sids = sidRetrievalStrategy.getSids(authentication);
-
-		if (logger.isDebugEnabled()) {
-			logger.debug("Eagerly loading Acls for " + oidsToCache.size() + " objects");
 		}
-
-		aclService.readAclsById(oidsToCache, sids);
+		List<Sid> sids = this.sidRetrievalStrategy.getSids(authentication);
+		this.logger.debug(LogMessage.of(() -> "Eagerly loading Acls for " + oidsToCache.size() + " objects"));
+		this.aclService.readAclsById(oidsToCache, sids);
 	}
 
-	public void setObjectIdentityRetrievalStrategy(
-			ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
+	public void setObjectIdentityRetrievalStrategy(ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
 		this.oidRetrievalStrategy = objectIdentityRetrievalStrategy;
 	}
 
 	public void setSidRetrievalStrategy(SidRetrievalStrategy sidRetrievalStrategy) {
 		this.sidRetrievalStrategy = sidRetrievalStrategy;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/AclPermissionEvaluator.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
 import java.io.Serializable;
@@ -22,6 +23,8 @@ import java.util.Locale;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.access.PermissionEvaluator;
 import org.springframework.security.acls.domain.DefaultPermissionFactory;
 import org.springframework.security.acls.domain.ObjectIdentityRetrievalStrategyImpl;
@@ -51,9 +54,13 @@ public class AclPermissionEvaluator implements PermissionEvaluator {
 	private final Log logger = LogFactory.getLog(getClass());
 
 	private final AclService aclService;
+
 	private ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy = new ObjectIdentityRetrievalStrategyImpl();
+
 	private ObjectIdentityGenerator objectIdentityGenerator = new ObjectIdentityRetrievalStrategyImpl();
+
 	private SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
+
 	private PermissionFactory permissionFactory = new DefaultPermissionFactory();
 
 	public AclPermissionEvaluator(AclService aclService) {
@@ -65,100 +72,72 @@ public class AclPermissionEvaluator implements PermissionEvaluator {
 	 * the ACL configuration. If the domain object is null, returns false (this can always
 	 * be overridden using a null check in the expression itself).
 	 */
-	public boolean hasPermission(Authentication authentication, Object domainObject,
-			Object permission) {
+	@Override
+	public boolean hasPermission(Authentication authentication, Object domainObject, Object permission) {
 		if (domainObject == null) {
 			return false;
 		}
-
-		ObjectIdentity objectIdentity = objectIdentityRetrievalStrategy
-				.getObjectIdentity(domainObject);
-
+		ObjectIdentity objectIdentity = this.objectIdentityRetrievalStrategy.getObjectIdentity(domainObject);
 		return checkPermission(authentication, objectIdentity, permission);
 	}
 
-	public boolean hasPermission(Authentication authentication, Serializable targetId,
-			String targetType, Object permission) {
-		ObjectIdentity objectIdentity = objectIdentityGenerator.createObjectIdentity(
-				targetId, targetType);
-
+	@Override
+	public boolean hasPermission(Authentication authentication, Serializable targetId, String targetType,
+			Object permission) {
+		ObjectIdentity objectIdentity = this.objectIdentityGenerator.createObjectIdentity(targetId, targetType);
 		return checkPermission(authentication, objectIdentity, permission);
 	}
 
-	private boolean checkPermission(Authentication authentication, ObjectIdentity oid,
-			Object permission) {
+	private boolean checkPermission(Authentication authentication, ObjectIdentity oid, Object permission) {
 		// Obtain the SIDs applicable to the principal
-		List<Sid> sids = sidRetrievalStrategy.getSids(authentication);
+		List<Sid> sids = this.sidRetrievalStrategy.getSids(authentication);
 		List<Permission> requiredPermission = resolvePermission(permission);
-
-		final boolean debug = logger.isDebugEnabled();
-
-		if (debug) {
-			logger.debug("Checking permission '" + permission + "' for object '" + oid
-					+ "'");
-		}
-
+		this.logger.debug(LogMessage.of(() -> "Checking permission '" + permission + "' for object '" + oid + "'"));
 		try {
 			// Lookup only ACLs for SIDs we're interested in
-			Acl acl = aclService.readAclById(oid, sids);
-
+			Acl acl = this.aclService.readAclById(oid, sids);
 			if (acl.isGranted(requiredPermission, sids, false)) {
-				if (debug) {
-					logger.debug("Access is granted");
-				}
-
+				this.logger.debug("Access is granted");
 				return true;
 			}
-
-			if (debug) {
-				logger.debug("Returning false - ACLs returned, but insufficient permissions for this principal");
-			}
-
+			this.logger.debug("Returning false - ACLs returned, but insufficient permissions for this principal");
 		}
 		catch (NotFoundException nfe) {
-			if (debug) {
-				logger.debug("Returning false - no ACLs apply for this principal");
-			}
+			this.logger.debug("Returning false - no ACLs apply for this principal");
 		}
-
 		return false;
-
 	}
 
 	List<Permission> resolvePermission(Object permission) {
 		if (permission instanceof Integer) {
-			return Arrays.asList(permissionFactory.buildFromMask((Integer) permission));
+			return Arrays.asList(this.permissionFactory.buildFromMask((Integer) permission));
 		}
-
 		if (permission instanceof Permission) {
 			return Arrays.asList((Permission) permission);
 		}
-
 		if (permission instanceof Permission[]) {
 			return Arrays.asList((Permission[]) permission);
 		}
-
 		if (permission instanceof String) {
 			String permString = (String) permission;
-			Permission p;
-
-			try {
-				p = permissionFactory.buildFromName(permString);
-			}
-			catch (IllegalArgumentException notfound) {
-				p = permissionFactory.buildFromName(permString.toUpperCase(Locale.ENGLISH));
-			}
-
+			Permission p = buildPermission(permString);
 			if (p != null) {
 				return Arrays.asList(p);
 			}
-
 		}
 		throw new IllegalArgumentException("Unsupported permission: " + permission);
 	}
 
-	public void setObjectIdentityRetrievalStrategy(
-			ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
+	private Permission buildPermission(String permString) {
+		try {
+			return this.permissionFactory.buildFromName(permString);
+		}
+		catch (IllegalArgumentException notfound) {
+			return this.permissionFactory.buildFromName(permString.toUpperCase(Locale.ENGLISH));
+		}
+	}
+
+	public void setObjectIdentityRetrievalStrategy(ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
 		this.objectIdentityRetrievalStrategy = objectIdentityRetrievalStrategy;
 	}
 
@@ -173,4 +152,5 @@ public class AclPermissionEvaluator implements PermissionEvaluator {
 	public void setPermissionFactory(PermissionFactory permissionFactory) {
 		this.permissionFactory = permissionFactory;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/AbstractAclProvider.java

@@ -32,6 +32,7 @@ import org.springframework.security.acls.model.Sid;
 import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 
 /**
  * Abstract {@link AfterInvocationProvider} which provides commonly-used ACL-related
@@ -40,64 +41,52 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public abstract class AbstractAclProvider implements AfterInvocationProvider {
-	// ~ Instance fields
-	// ================================================================================================
 
 	protected final AclService aclService;
+
+	protected String processConfigAttribute;
+
 	protected Class<?> processDomainObjectClass = Object.class;
+
 	protected ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy = new ObjectIdentityRetrievalStrategyImpl();
+
 	protected SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
-	protected String processConfigAttribute;
-	protected final List<Permission> requirePermission;
 
-	// ~ Constructors
-	// ===================================================================================================
+	protected final List<Permission> requirePermission;
 
 	public AbstractAclProvider(AclService aclService, String processConfigAttribute,
 			List<Permission> requirePermission) {
 		Assert.hasText(processConfigAttribute, "A processConfigAttribute is mandatory");
 		Assert.notNull(aclService, "An AclService is mandatory");
-
-		if (requirePermission == null || requirePermission.isEmpty()) {
-			throw new IllegalArgumentException(
-					"One or more requirePermission entries is mandatory");
-		}
-
+		Assert.isTrue(!ObjectUtils.isEmpty(requirePermission), "One or more requirePermission entries is mandatory");
 		this.aclService = aclService;
 		this.processConfigAttribute = processConfigAttribute;
 		this.requirePermission = requirePermission;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	protected Class<?> getProcessDomainObjectClass() {
-		return processDomainObjectClass;
+		return this.processDomainObjectClass;
 	}
 
 	protected boolean hasPermission(Authentication authentication, Object domainObject) {
 		// Obtain the OID applicable to the domain object
-		ObjectIdentity objectIdentity = objectIdentityRetrievalStrategy
-				.getObjectIdentity(domainObject);
+		ObjectIdentity objectIdentity = this.objectIdentityRetrievalStrategy.getObjectIdentity(domainObject);
 
 		// Obtain the SIDs applicable to the principal
-		List<Sid> sids = sidRetrievalStrategy.getSids(authentication);
+		List<Sid> sids = this.sidRetrievalStrategy.getSids(authentication);
 
 		try {
 			// Lookup only ACLs for SIDs we're interested in
-			Acl acl = aclService.readAclById(objectIdentity, sids);
-
-			return acl.isGranted(requirePermission, sids, false);
+			Acl acl = this.aclService.readAclById(objectIdentity, sids);
+			return acl.isGranted(this.requirePermission, sids, false);
 		}
-		catch (NotFoundException ignore) {
+		catch (NotFoundException ex) {
 			return false;
 		}
 	}
 
-	public void setObjectIdentityRetrievalStrategy(
-			ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
-		Assert.notNull(objectIdentityRetrievalStrategy,
-				"ObjectIdentityRetrievalStrategy required");
+	public void setObjectIdentityRetrievalStrategy(ObjectIdentityRetrievalStrategy objectIdentityRetrievalStrategy) {
+		Assert.notNull(objectIdentityRetrievalStrategy, "ObjectIdentityRetrievalStrategy required");
 		this.objectIdentityRetrievalStrategy = objectIdentityRetrievalStrategy;
 	}
 
@@ -107,8 +96,7 @@ public abstract class AbstractAclProvider implements AfterInvocationProvider {
 	}
 
 	public void setProcessDomainObjectClass(Class<?> processDomainObjectClass) {
-		Assert.notNull(processDomainObjectClass,
-				"processDomainObjectClass cannot be set to null");
+		Assert.notNull(processDomainObjectClass, "processDomainObjectClass cannot be set to null");
 		this.processDomainObjectClass = processDomainObjectClass;
 	}
 
@@ -117,19 +105,20 @@ public abstract class AbstractAclProvider implements AfterInvocationProvider {
 		this.sidRetrievalStrategy = sidRetrievalStrategy;
 	}
 
+	@Override
 	public boolean supports(ConfigAttribute attribute) {
-		return processConfigAttribute.equals(attribute.getAttribute());
+		return this.processConfigAttribute.equals(attribute.getAttribute());
 	}
 
 	/**
 	 * This implementation supports any type of class, because it does not query the
 	 * presented secure object.
-	 *
 	 * @param clazz the secure object
-	 *
 	 * @return always <code>true</code>
 	 */
+	@Override
 	public boolean supports(Class<?> clazz) {
 		return true;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/AclEntryAfterInvocationCollectionFilteringProvider.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.afterinvocation;
 
 import java.util.Collection;
@@ -20,6 +21,8 @@ import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.AuthorizationServiceException;
 import org.springframework.security.access.ConfigAttribute;
@@ -60,33 +63,21 @@ import org.springframework.security.core.Authentication;
  * @author Ben Alex
  * @author Paulo Neves
  */
-public class AclEntryAfterInvocationCollectionFilteringProvider extends
-		AbstractAclProvider {
-	// ~ Static fields/initializers
-	// =====================================================================================
-
-	protected static final Log logger = LogFactory
-			.getLog(AclEntryAfterInvocationCollectionFilteringProvider.class);
+public class AclEntryAfterInvocationCollectionFilteringProvider extends AbstractAclProvider {
 
-	// ~ Constructors
-	// ===================================================================================================
+	protected static final Log logger = LogFactory.getLog(AclEntryAfterInvocationCollectionFilteringProvider.class);
 
 	public AclEntryAfterInvocationCollectionFilteringProvider(AclService aclService,
 			List<Permission> requirePermission) {
 		super(aclService, "AFTER_ACL_COLLECTION_READ", requirePermission);
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	@SuppressWarnings("unchecked")
-	public Object decide(Authentication authentication, Object object,
-			Collection<ConfigAttribute> config, Object returnedObject)
-			throws AccessDeniedException {
-
+	public Object decide(Authentication authentication, Object object, Collection<ConfigAttribute> config,
+			Object returnedObject) throws AccessDeniedException {
 		if (returnedObject == null) {
 			logger.debug("Return object is null, skipping");
-
 			return null;
 		}
 
@@ -96,44 +87,34 @@ public class AclEntryAfterInvocationCollectionFilteringProvider extends
 			}
 
 			// Need to process the Collection for this invocation
-			Filterer filterer;
-
-			if (returnedObject instanceof Collection) {
-				filterer = new CollectionFilterer((Collection) returnedObject);
-			}
-			else if (returnedObject.getClass().isArray()) {
-				filterer = new ArrayFilterer((Object[]) returnedObject);
-			}
-			else {
-				throw new AuthorizationServiceException(
-						"A Collection or an array (or null) was required as the "
-								+ "returnedObject, but the returnedObject was: "
-								+ returnedObject);
-			}
+			Filterer filterer = getFilterer(returnedObject);
 
 			// Locate unauthorised Collection elements
 			for (Object domainObject : filterer) {
 				// Ignore nulls or entries which aren't instances of the configured domain
 				// object class
-				if (domainObject == null
-						|| !getProcessDomainObjectClass().isAssignableFrom(
-								domainObject.getClass())) {
+				if (domainObject == null || !getProcessDomainObjectClass().isAssignableFrom(domainObject.getClass())) {
 					continue;
 				}
-
 				if (!hasPermission(authentication, domainObject)) {
 					filterer.remove(domainObject);
-
-					if (logger.isDebugEnabled()) {
-						logger.debug("Principal is NOT authorised for element: "
-								+ domainObject);
-					}
+					logger.debug(LogMessage.of(() -> "Principal is NOT authorised for element: " + domainObject));
 				}
 			}
-
 			return filterer.getFilteredObject();
 		}
-
 		return returnedObject;
 	}
+
+	private Filterer getFilterer(Object returnedObject) {
+		if (returnedObject instanceof Collection) {
+			return new CollectionFilterer((Collection) returnedObject);
+		}
+		if (returnedObject.getClass().isArray()) {
+			return new ArrayFilterer((Object[]) returnedObject);
+		}
+		throw new AuthorizationServiceException("A Collection or an array (or null) was required as the "
+				+ "returnedObject, but the returnedObject was: " + returnedObject);
+	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/AclEntryAfterInvocationProvider.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.afterinvocation;
 
 import java.util.Collection;
@@ -20,6 +21,7 @@ import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.springframework.context.MessageSource;
 import org.springframework.context.MessageSourceAware;
 import org.springframework.context.support.MessageSourceAccessor;
@@ -58,50 +60,34 @@ import org.springframework.security.core.SpringSecurityMessageSource;
  * <p>
  * All comparisons and prefixes are case sensitive.
  */
-public class AclEntryAfterInvocationProvider extends AbstractAclProvider implements
-		MessageSourceAware {
-	// ~ Static fields/initializers
-	// =====================================================================================
+public class AclEntryAfterInvocationProvider extends AbstractAclProvider implements MessageSourceAware {
 
-	protected static final Log logger = LogFactory
-			.getLog(AclEntryAfterInvocationProvider.class);
-
-	// ~ Instance fields
-	// ================================================================================================
+	protected static final Log logger = LogFactory.getLog(AclEntryAfterInvocationProvider.class);
 
 	protected MessageSourceAccessor messages = SpringSecurityMessageSource.getAccessor();
 
-	// ~ Constructors
-	// ===================================================================================================
-
-	public AclEntryAfterInvocationProvider(AclService aclService,
-			List<Permission> requirePermission) {
+	public AclEntryAfterInvocationProvider(AclService aclService, List<Permission> requirePermission) {
 		this(aclService, "AFTER_ACL_READ", requirePermission);
 	}
 
-	public AclEntryAfterInvocationProvider(AclService aclService,
-			String processConfigAttribute, List<Permission> requirePermission) {
+	public AclEntryAfterInvocationProvider(AclService aclService, String processConfigAttribute,
+			List<Permission> requirePermission) {
 		super(aclService, processConfigAttribute, requirePermission);
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
-	public Object decide(Authentication authentication, Object object,
-			Collection<ConfigAttribute> config, Object returnedObject)
-			throws AccessDeniedException {
+	@Override
+	public Object decide(Authentication authentication, Object object, Collection<ConfigAttribute> config,
+			Object returnedObject) throws AccessDeniedException {
 
 		if (returnedObject == null) {
 			// AclManager interface contract prohibits nulls
 			// As they have permission to null/nothing, grant access
 			logger.debug("Return object is null, skipping");
-
 			return null;
 		}
 
 		if (!getProcessDomainObjectClass().isAssignableFrom(returnedObject.getClass())) {
 			logger.debug("Return object is not applicable for this provider, skipping");
-
 			return returnedObject;
 		}
 
@@ -109,24 +95,24 @@ public class AclEntryAfterInvocationProvider extends AbstractAclProvider impleme
 			if (!this.supports(attr)) {
 				continue;
 			}
-			// Need to make an access decision on this invocation
 
+			// Need to make an access decision on this invocation
 			if (hasPermission(authentication, returnedObject)) {
 				return returnedObject;
 			}
 
 			logger.debug("Denying access");
-
-			throw new AccessDeniedException(messages.getMessage(
-					"AclEntryAfterInvocationProvider.noPermission", new Object[] {
-							authentication.getName(), returnedObject },
+			throw new AccessDeniedException(this.messages.getMessage("AclEntryAfterInvocationProvider.noPermission",
+					new Object[] { authentication.getName(), returnedObject },
 					"Authentication {0} has NO permissions to the domain object {1}"));
 		}
 
 		return returnedObject;
 	}
 
+	@Override
 	public void setMessageSource(MessageSource messageSource) {
 		this.messages = new MessageSourceAccessor(messageSource);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/ArrayFilterer.java

@@ -25,6 +25,8 @@ import java.util.Set;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.springframework.core.log.LogMessage;
+
 /**
  * A filter used to filter arrays.
  *
@@ -32,91 +34,70 @@ import org.apache.commons.logging.LogFactory;
  * @author Paulo Neves
  */
 class ArrayFilterer<T> implements Filterer<T> {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	protected static final Log logger = LogFactory.getLog(ArrayFilterer.class);
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	private final Set<T> removeList;
-	private final T[] list;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private final T[] list;
 
 	ArrayFilterer(T[] list) {
 		this.list = list;
-
 		// Collect the removed objects to a HashSet so that
 		// it is fast to lookup them when a filtered array
 		// is constructed.
-		removeList = new HashSet<>();
+		this.removeList = new HashSet<>();
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
-	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#getFilteredObject()
-	 */
+	@Override
 	@SuppressWarnings("unchecked")
 	public T[] getFilteredObject() {
 		// Recreate an array of same type and filter the removed objects.
-		int originalSize = list.length;
-		int sizeOfResultingList = originalSize - removeList.size();
-		T[] filtered = (T[]) Array.newInstance(list.getClass().getComponentType(),
-				sizeOfResultingList);
-
-		for (int i = 0, j = 0; i < list.length; i++) {
-			T object = list[i];
-
-			if (!removeList.contains(object)) {
+		int originalSize = this.list.length;
+		int sizeOfResultingList = originalSize - this.removeList.size();
+		T[] filtered = (T[]) Array.newInstance(this.list.getClass().getComponentType(), sizeOfResultingList);
+		for (int i = 0, j = 0; i < this.list.length; i++) {
+			T object = this.list[i];
+			if (!this.removeList.contains(object)) {
 				filtered[j] = object;
 				j++;
 			}
 		}
+		logger.debug(LogMessage.of(() -> "Original array contained " + originalSize + " elements; now contains "
+				+ sizeOfResultingList + " elements"));
+		return filtered;
+	}
 
-		if (logger.isDebugEnabled()) {
-			logger.debug("Original array contained " + originalSize
-					+ " elements; now contains " + sizeOfResultingList + " elements");
-		}
+	@Override
+	public Iterator<T> iterator() {
+		return new ArrayFiltererIterator();
+	}
 
-		return filtered;
+	@Override
+	public void remove(T object) {
+		this.removeList.add(object);
 	}
 
 	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#iterator()
+	 * Iterator for {@link ArrayFilterer} elements.
 	 */
-	public Iterator<T> iterator() {
-		return new Iterator<T>() {
-			private int index = 0;
+	private class ArrayFiltererIterator implements Iterator<T> {
 
-			public boolean hasNext() {
-				return index < list.length;
-			}
+		private int index = 0;
 
-			public T next() {
-				if (!hasNext()) {
-					throw new NoSuchElementException();
-				}
-				return list[index++];
-			}
+		@Override
+		public boolean hasNext() {
+			return this.index < ArrayFilterer.this.list.length;
+		}
 
-			public void remove() {
-				throw new UnsupportedOperationException();
+		@Override
+		public T next() {
+			if (hasNext()) {
+				return ArrayFilterer.this.list[this.index++];
 			}
-		};
-	}
+			throw new NoSuchElementException();
+		}
 
-	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#remove(java.lang.Object)
-	 */
-	public void remove(T object) {
-		removeList.add(object);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/CollectionFilterer.java

@@ -16,14 +16,16 @@
 
 package org.springframework.security.acls.afterinvocation;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.core.log.LogMessage;
+
 /**
  * A filter used to filter Collections.
  *
@@ -31,24 +33,15 @@ import java.util.Set;
  * @author Paulo Neves
  */
 class CollectionFilterer<T> implements Filterer<T> {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	protected static final Log logger = LogFactory.getLog(CollectionFilterer.class);
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	private final Collection<T> collection;
 
 	private final Set<T> removeList;
 
-	// ~ Constructors
-	// ===================================================================================================
-
 	CollectionFilterer(Collection<T> collection) {
 		this.collection = collection;
-
 		// We create a Set of objects to be removed from the Collection,
 		// as ConcurrentModificationException prevents removal during
 		// iteration, and making a new Collection to be returned is
@@ -56,47 +49,30 @@ class CollectionFilterer<T> implements Filterer<T> {
 		// to the method may not necessarily be re-constructable (as
 		// the Collection(collection) constructor is not guaranteed and
 		// manually adding may lose sort order or other capabilities)
-		removeList = new HashSet<>();
+		this.removeList = new HashSet<>();
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
-	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#getFilteredObject()
-	 */
+	@Override
 	public Object getFilteredObject() {
 		// Now the Iterator has ended, remove Objects from Collection
-		Iterator<T> removeIter = removeList.iterator();
-
-		int originalSize = collection.size();
-
+		Iterator<T> removeIter = this.removeList.iterator();
+		int originalSize = this.collection.size();
 		while (removeIter.hasNext()) {
-			collection.remove(removeIter.next());
+			this.collection.remove(removeIter.next());
 		}
-
-		if (logger.isDebugEnabled()) {
-			logger.debug("Original collection contained " + originalSize
-					+ " elements; now contains " + collection.size() + " elements");
-		}
-
-		return collection;
+		logger.debug(LogMessage.of(() -> "Original collection contained " + originalSize + " elements; now contains "
+				+ this.collection.size() + " elements"));
+		return this.collection;
 	}
 
-	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#iterator()
-	 */
+	@Override
 	public Iterator<T> iterator() {
-		return collection.iterator();
+		return this.collection.iterator();
 	}
 
-	/**
-	 *
-	 * @see org.springframework.security.acls.afterinvocation.Filterer#remove(java.lang.Object)
-	 */
+	@Override
 	public void remove(T object) {
-		removeList.add(object);
+		this.removeList.add(object);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/Filterer.java

@@ -25,27 +25,24 @@ import java.util.Iterator;
  * @author Paulo Neves
  */
 interface Filterer<T> extends Iterable<T> {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * Gets the filtered collection or array.
-	 *
 	 * @return the filtered collection or array
 	 */
 	Object getFilteredObject();
 
 	/**
 	 * Returns an iterator over the filtered collection or array.
-	 *
 	 * @return an Iterator
 	 */
+	@Override
 	Iterator<T> iterator();
 
 	/**
 	 * Removes the given object from the resulting list.
-	 *
 	 * @param object the object to be removed
 	 */
 	void remove(T object);
+
 }

acl/src/main/java/org/springframework/security/acls/afterinvocation/package-info.java

@@ -13,9 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /**
- * After-invocation providers for collection and array filtering. Consider using a {@code PostFilter} annotation in
- * preference.
+ * After-invocation providers for collection and array filtering. Consider using a
+ * {@code PostFilter} annotation in preference.
  */
 package org.springframework.security.acls.afterinvocation;
-

acl/src/main/java/org/springframework/security/acls/domain/AbstractPermission.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Permission;
@@ -25,18 +26,13 @@ import org.springframework.security.acls.model.Permission;
  */
 public abstract class AbstractPermission implements Permission {
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	protected final char code;
+
 	protected int mask;
 
-	// ~ Constructors
-	// ===================================================================================================
 	/**
 	 * Sets the permission mask and uses the '*' character to represent active bits when
 	 * represented as a bit pattern string.
-	 *
 	 * @param mask the integer bit mask for the permission
 	 */
 	protected AbstractPermission(int mask) {
@@ -46,7 +42,6 @@ public abstract class AbstractPermission implements Permission {
 
 	/**
 	 * Sets the permission mask and uses the specified character for active bits.
-	 *
 	 * @param mask the integer bit mask for the permission
 	 * @param code the character to print for each active bit in the mask (see
 	 * {@link Permission#getPattern()})
@@ -56,36 +51,36 @@ public abstract class AbstractPermission implements Permission {
 		this.code = code;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
-	public final boolean equals(Object arg0) {
-		if (arg0 == null) {
+	@Override
+	public final boolean equals(Object obj) {
+		if (obj == null) {
 			return false;
 		}
-
-		if (!(arg0 instanceof Permission)) {
+		if (!(obj instanceof Permission)) {
 			return false;
 		}
+		Permission other = (Permission) obj;
+		return (this.mask == other.getMask());
+	}
 
-		Permission rhs = (Permission) arg0;
+	@Override
+	public final int hashCode() {
+		return this.mask;
+	}
 
-		return (this.mask == rhs.getMask());
+	@Override
+	public final String toString() {
+		return this.getClass().getSimpleName() + "[" + getPattern() + "=" + this.mask + "]";
 	}
 
+	@Override
 	public final int getMask() {
-		return mask;
+		return this.mask;
 	}
 
+	@Override
 	public String getPattern() {
-		return AclFormattingUtils.printBinary(mask, code);
-	}
-
-	public final String toString() {
-		return this.getClass().getSimpleName() + "[" + getPattern() + "=" + mask + "]";
+		return AclFormattingUtils.printBinary(this.mask, this.code);
 	}
 
-	public final int hashCode() {
-		return this.mask;
-	}
 }

acl/src/main/java/org/springframework/security/acls/domain/AccessControlEntryImpl.java

@@ -13,42 +13,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
+import java.io.Serializable;
+
 import org.springframework.security.acls.model.AccessControlEntry;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.AuditableAccessControlEntry;
 import org.springframework.security.acls.model.Permission;
 import org.springframework.security.acls.model.Sid;
-
 import org.springframework.util.Assert;
 
-import java.io.Serializable;
-
 /**
  * An immutable default implementation of <code>AccessControlEntry</code>.
  *
  * @author Ben Alex
  */
-public class AccessControlEntryImpl implements AccessControlEntry,
-		AuditableAccessControlEntry {
-	// ~ Instance fields
-	// ================================================================================================
+public class AccessControlEntryImpl implements AccessControlEntry, AuditableAccessControlEntry {
 
 	private final Acl acl;
+
 	private Permission permission;
+
 	private final Serializable id;
+
 	private final Sid sid;
+
 	private boolean auditFailure = false;
+
 	private boolean auditSuccess = false;
-	private final boolean granting;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private final boolean granting;
 
-	public AccessControlEntryImpl(Serializable id, Acl acl, Sid sid,
-			Permission permission, boolean granting, boolean auditSuccess,
-			boolean auditFailure) {
+	public AccessControlEntryImpl(Serializable id, Acl acl, Sid sid, Permission permission, boolean granting,
+			boolean auditSuccess, boolean auditFailure) {
 		Assert.notNull(acl, "Acl required");
 		Assert.notNull(sid, "Sid required");
 		Assert.notNull(permission, "Permission required");
@@ -61,78 +60,66 @@ public class AccessControlEntryImpl implements AccessControlEntry,
 		this.auditFailure = auditFailure;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Override
 	public boolean equals(Object arg0) {
 		if (!(arg0 instanceof AccessControlEntryImpl)) {
 			return false;
 		}
-
-		AccessControlEntryImpl rhs = (AccessControlEntryImpl) arg0;
-
+		AccessControlEntryImpl other = (AccessControlEntryImpl) arg0;
 		if (this.acl == null) {
-			if (rhs.getAcl() != null) {
+			if (other.getAcl() != null) {
 				return false;
 			}
 			// Both this.acl and rhs.acl are null and thus equal
 		}
 		else {
 			// this.acl is non-null
-			if (rhs.getAcl() == null) {
+			if (other.getAcl() == null) {
 				return false;
 			}
 
 			// Both this.acl and rhs.acl are non-null, so do a comparison
 			if (this.acl.getObjectIdentity() == null) {
-				if (rhs.acl.getObjectIdentity() != null) {
+				if (other.acl.getObjectIdentity() != null) {
 					return false;
 				}
 				// Both this.acl and rhs.acl are null and thus equal
 			}
 			else {
 				// Both this.acl.objectIdentity and rhs.acl.objectIdentity are non-null
-				if (!this.acl.getObjectIdentity()
-						.equals(rhs.getAcl().getObjectIdentity())) {
+				if (!this.acl.getObjectIdentity().equals(other.getAcl().getObjectIdentity())) {
 					return false;
 				}
 			}
 		}
-
 		if (this.id == null) {
-			if (rhs.id != null) {
+			if (other.id != null) {
 				return false;
 			}
 			// Both this.id and rhs.id are null and thus equal
 		}
 		else {
 			// this.id is non-null
-			if (rhs.id == null) {
+			if (other.id == null) {
 				return false;
 			}
-
 			// Both this.id and rhs.id are non-null
-			if (!this.id.equals(rhs.id)) {
+			if (!this.id.equals(other.id)) {
 				return false;
 			}
 		}
-
-		if ((this.auditFailure != rhs.isAuditFailure())
-				|| (this.auditSuccess != rhs.isAuditSuccess())
-				|| (this.granting != rhs.isGranting())
-				|| !this.permission.equals(rhs.getPermission())
-				|| !this.sid.equals(rhs.getSid())) {
+		if ((this.auditFailure != other.isAuditFailure()) || (this.auditSuccess != other.isAuditSuccess())
+				|| (this.granting != other.isGranting()) || !this.permission.equals(other.getPermission())
+				|| !this.sid.equals(other.getSid())) {
 			return false;
 		}
-
 		return true;
 	}
 
 	@Override
 	public int hashCode() {
 		int result = this.permission.hashCode();
-		result = 31 * result + (this.id != null ? this.id.hashCode() : 0);
+		result = 31 * result + ((this.id != null) ? this.id.hashCode() : 0);
 		result = 31 * result + (this.sid.hashCode());
 		result = 31 * result + (this.auditFailure ? 1 : 0);
 		result = 31 * result + (this.auditSuccess ? 1 : 0);
@@ -142,37 +129,37 @@ public class AccessControlEntryImpl implements AccessControlEntry,
 
 	@Override
 	public Acl getAcl() {
-		return acl;
+		return this.acl;
 	}
 
 	@Override
 	public Serializable getId() {
-		return id;
+		return this.id;
 	}
 
 	@Override
 	public Permission getPermission() {
-		return permission;
+		return this.permission;
 	}
 
 	@Override
 	public Sid getSid() {
-		return sid;
+		return this.sid;
 	}
 
 	@Override
 	public boolean isAuditFailure() {
-		return auditFailure;
+		return this.auditFailure;
 	}
 
 	@Override
 	public boolean isAuditSuccess() {
-		return auditSuccess;
+		return this.auditSuccess;
 	}
 
 	@Override
 	public boolean isGranting() {
-		return granting;
+		return this.granting;
 	}
 
 	void setAuditFailure(boolean auditFailure) {
@@ -199,7 +186,7 @@ public class AccessControlEntryImpl implements AccessControlEntry,
 		sb.append("auditSuccess: ").append(this.auditSuccess).append("; ");
 		sb.append("auditFailure: ").append(this.auditFailure);
 		sb.append("]");
-
 		return sb.toString();
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/AclAuthorizationStrategy.java

@@ -25,15 +25,13 @@ import org.springframework.security.acls.model.Acl;
  * @author Ben Alex
  */
 public interface AclAuthorizationStrategy {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	int CHANGE_OWNERSHIP = 0;
+
 	int CHANGE_AUDITING = 1;
-	int CHANGE_GENERAL = 2;
 
-	// ~ Methods
-	// ========================================================================================================
+	int CHANGE_GENERAL = 2;
 
 	void securityCheck(Acl acl, int changeType);
+
 }

acl/src/main/java/org/springframework/security/acls/domain/AclAuthorizationStrategyImpl.java

@@ -16,6 +16,10 @@
 
 package org.springframework.security.acls.domain;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.Sid;
@@ -26,10 +30,6 @@ import org.springframework.security.core.authority.AuthorityUtils;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.util.Assert;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Set;
-
 /**
  * Default implementation of {@link AclAuthorizationStrategy}.
  * <p>
@@ -45,21 +45,18 @@ import java.util.Set;
  * @author Ben Alex
  */
 public class AclAuthorizationStrategyImpl implements AclAuthorizationStrategy {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final GrantedAuthority gaGeneralChanges;
+
 	private final GrantedAuthority gaModifyAuditing;
+
 	private final GrantedAuthority gaTakeOwnership;
-	private SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
 
-	// ~ Constructors
-	// ===================================================================================================
+	private SidRetrievalStrategy sidRetrievalStrategy = new SidRetrievalStrategyImpl();
 
 	/**
 	 * Constructor. The only mandatory parameter relates to the system-wide
 	 * {@link GrantedAuthority} instances that can be held to always permit ACL changes.
-	 *
 	 * @param auths the <code>GrantedAuthority</code>s that have special permissions
 	 * (index 0 is the authority needed to change ownership, index 1 is the authority
 	 * needed to modify auditing details, index 2 is the authority needed to change other
@@ -71,53 +68,33 @@ public class AclAuthorizationStrategyImpl implements AclAuthorizationStrategy {
 		Assert.isTrue(auths != null && (auths.length == 3 || auths.length == 1),
 				"One or three GrantedAuthority instances required");
 		if (auths.length == 3) {
-			gaTakeOwnership = auths[0];
-			gaModifyAuditing = auths[1];
-			gaGeneralChanges = auths[2];
+			this.gaTakeOwnership = auths[0];
+			this.gaModifyAuditing = auths[1];
+			this.gaGeneralChanges = auths[2];
 		}
 		else {
-			gaTakeOwnership = gaModifyAuditing = gaGeneralChanges = auths[0];
+			this.gaTakeOwnership = auths[0];
+			this.gaModifyAuditing = auths[0];
+			this.gaGeneralChanges = auths[0];
 		}
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public void securityCheck(Acl acl, int changeType) {
 		if ((SecurityContextHolder.getContext() == null)
 				|| (SecurityContextHolder.getContext().getAuthentication() == null)
-				|| !SecurityContextHolder.getContext().getAuthentication()
-						.isAuthenticated()) {
-			throw new AccessDeniedException(
-					"Authenticated principal required to operate with ACLs");
+				|| !SecurityContextHolder.getContext().getAuthentication().isAuthenticated()) {
+			throw new AccessDeniedException("Authenticated principal required to operate with ACLs");
 		}
-
-		Authentication authentication = SecurityContextHolder.getContext()
-				.getAuthentication();
-
+		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
 		// Check if authorized by virtue of ACL ownership
 		Sid currentUser = createCurrentUser(authentication);
-
 		if (currentUser.equals(acl.getOwner())
 				&& ((changeType == CHANGE_GENERAL) || (changeType == CHANGE_OWNERSHIP))) {
 			return;
 		}
-
 		// Not authorized by ACL ownership; try via adminstrative permissions
-		GrantedAuthority requiredAuthority;
-
-		if (changeType == CHANGE_AUDITING) {
-			requiredAuthority = this.gaModifyAuditing;
-		}
-		else if (changeType == CHANGE_GENERAL) {
-			requiredAuthority = this.gaGeneralChanges;
-		}
-		else if (changeType == CHANGE_OWNERSHIP) {
-			requiredAuthority = this.gaTakeOwnership;
-		}
-		else {
-			throw new IllegalArgumentException("Unknown change type");
-		}
+		GrantedAuthority requiredAuthority = getRequiredAuthority(changeType);
 
 		// Iterate this principal's authorities to determine right
 		Set<String> authorities = AuthorityUtils.authorityListToSet(authentication.getAuthorities());
@@ -126,8 +103,7 @@ public class AclAuthorizationStrategyImpl implements AclAuthorizationStrategy {
 		}
 
 		// Try to get permission via ACEs within the ACL
-		List<Sid> sids = sidRetrievalStrategy.getSids(authentication);
-
+		List<Sid> sids = this.sidRetrievalStrategy.getSids(authentication);
 		if (acl.isGranted(Arrays.asList(BasePermission.ADMINISTRATION), sids, false)) {
 			return;
 		}
@@ -136,9 +112,21 @@ public class AclAuthorizationStrategyImpl implements AclAuthorizationStrategy {
 				"Principal does not have required ACL permissions to perform requested operation");
 	}
 
+	private GrantedAuthority getRequiredAuthority(int changeType) {
+		if (changeType == CHANGE_AUDITING) {
+			return this.gaModifyAuditing;
+		}
+		if (changeType == CHANGE_GENERAL) {
+			return this.gaGeneralChanges;
+		}
+		if (changeType == CHANGE_OWNERSHIP) {
+			return this.gaTakeOwnership;
+		}
+		throw new IllegalArgumentException("Unknown change type");
+	}
+
 	/**
 	 * Creates a principal-like sid from the authentication information.
-	 *
 	 * @param authentication the authentication information that can provide principal and
 	 * thus the sid's id will be dependant on the value inside
 	 * @return a sid with the ID taken from the authentication information
@@ -151,4 +139,5 @@ public class AclAuthorizationStrategyImpl implements AclAuthorizationStrategy {
 		Assert.notNull(sidRetrievalStrategy, "SidRetrievalStrategy required");
 		this.sidRetrievalStrategy = sidRetrievalStrategy;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/AclFormattingUtils.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Permission;
@@ -30,9 +31,7 @@ public abstract class AclFormattingUtils {
 		Assert.notNull(removeBits, "Bits To Remove string required");
 		Assert.isTrue(original.length() == removeBits.length(),
 				"Original and Bits To Remove strings must be identical length");
-
 		char[] replacement = new char[original.length()];
-
 		for (int i = 0; i < original.length(); i++) {
 			if (removeBits.charAt(i) == Permission.RESERVED_OFF) {
 				replacement[i] = original.charAt(i);
@@ -41,7 +40,6 @@ public abstract class AclFormattingUtils {
 				replacement[i] = Permission.RESERVED_OFF;
 			}
 		}
-
 		return new String(replacement);
 	}
 
@@ -50,9 +48,7 @@ public abstract class AclFormattingUtils {
 		Assert.notNull(extraBits, "Extra Bits string required");
 		Assert.isTrue(original.length() == extraBits.length(),
 				"Original and Extra Bits strings must be identical length");
-
 		char[] replacement = new char[extraBits.length()];
-
 		for (int i = 0; i < extraBits.length(); i++) {
 			if (extraBits.charAt(i) == Permission.RESERVED_OFF) {
 				replacement[i] = original.charAt(i);
@@ -61,7 +57,6 @@ public abstract class AclFormattingUtils {
 				replacement[i] = extraBits.charAt(i);
 			}
 		}
-
 		return new String(replacement);
 	}
 
@@ -70,9 +65,7 @@ public abstract class AclFormattingUtils {
 	 * bit being denoted by character '*'.
 	 * <p>
 	 * Inactive bits will be denoted by character {@link Permission#RESERVED_OFF}.
-	 *
 	 * @param i the integer bit mask to print the active bits for
-	 *
 	 * @return a 32-character representation of the bit mask
 	 */
 	public static String printBinary(int i) {
@@ -84,29 +77,23 @@ public abstract class AclFormattingUtils {
 	 * bit being denoted by the passed character.
 	 * <p>
 	 * Inactive bits will be denoted by character {@link Permission#RESERVED_OFF}.
-	 *
 	 * @param mask the integer bit mask to print the active bits for
 	 * @param code the character to print when an active bit is detected
-	 *
 	 * @return a 32-character representation of the bit mask
 	 */
 	public static String printBinary(int mask, char code) {
-		Assert.doesNotContain(Character.toString(code),
-				Character.toString(Permission.RESERVED_ON),
+		Assert.doesNotContain(Character.toString(code), Character.toString(Permission.RESERVED_ON),
 				() -> Permission.RESERVED_ON + " is a reserved character code");
-		Assert.doesNotContain(Character.toString(code),
-				Character.toString(Permission.RESERVED_OFF),
+		Assert.doesNotContain(Character.toString(code), Character.toString(Permission.RESERVED_OFF),
 				() -> Permission.RESERVED_OFF + " is a reserved character code");
-
-		return printBinary(mask, Permission.RESERVED_ON, Permission.RESERVED_OFF)
-				.replace(Permission.RESERVED_ON, code);
+		return printBinary(mask, Permission.RESERVED_ON, Permission.RESERVED_OFF).replace(Permission.RESERVED_ON, code);
 	}
 
 	private static String printBinary(int i, char on, char off) {
 		String s = Integer.toBinaryString(i);
 		String pattern = Permission.THIRTY_TWO_RESERVED_OFF;
 		String temp2 = pattern.substring(0, pattern.length() - s.length()) + s;
-
 		return temp2.replace('0', off).replace('1', on);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/AclImpl.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.io.Serializable;
@@ -31,6 +32,7 @@ import org.springframework.security.acls.model.PermissionGrantingStrategy;
 import org.springframework.security.acls.model.Sid;
 import org.springframework.security.acls.model.UnloadedSidException;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 
 /**
  * Base implementation of <code>Acl</code>.
@@ -38,35 +40,38 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private Acl parentAcl;
+
 	private transient AclAuthorizationStrategy aclAuthorizationStrategy;
+
 	private transient PermissionGrantingStrategy permissionGrantingStrategy;
+
 	private final List<AccessControlEntry> aces = new ArrayList<>();
+
 	private ObjectIdentity objectIdentity;
+
 	private Serializable id;
-	private Sid owner; // OwnershipAcl
-	private List<Sid> loadedSids = null; // includes all SIDs the WHERE clause covered,
-											// even if there was no ACE for a SID
-	private boolean entriesInheriting = true;
 
-	// ~ Constructors
-	// ===================================================================================================
+	// OwnershipAcl
+	private Sid owner;
+
+	// includes all SIDs the WHERE clause covered, even if there was no ACE for a SID
+	private List<Sid> loadedSids = null;
+
+	private boolean entriesInheriting = true;
 
 	/**
 	 * Minimal constructor, which should be used
 	 * {@link org.springframework.security.acls.model.MutableAclService#createAcl(ObjectIdentity)}
 	 * .
-	 *
 	 * @param objectIdentity the object identity this ACL relates to (required)
 	 * @param id the primary key assigned to this ACL (required)
 	 * @param aclAuthorizationStrategy authorization strategy (required)
 	 * @param auditLogger audit logger (required)
 	 */
-	public AclImpl(ObjectIdentity objectIdentity, Serializable id,
-			AclAuthorizationStrategy aclAuthorizationStrategy, AuditLogger auditLogger) {
+	public AclImpl(ObjectIdentity objectIdentity, Serializable id, AclAuthorizationStrategy aclAuthorizationStrategy,
+			AuditLogger auditLogger) {
 		Assert.notNull(objectIdentity, "Object Identity required");
 		Assert.notNull(id, "Id required");
 		Assert.notNull(aclAuthorizationStrategy, "AclAuthorizationStrategy required");
@@ -74,14 +79,12 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 		this.objectIdentity = objectIdentity;
 		this.id = id;
 		this.aclAuthorizationStrategy = aclAuthorizationStrategy;
-		this.permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(
-				auditLogger);
+		this.permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(auditLogger);
 	}
 
 	/**
 	 * Full constructor, which should be used by persistence tools that do not provide
 	 * field-level access features.
-	 *
 	 * @param objectIdentity the object identity this ACL relates to
 	 * @param id the primary key assigned to this ACL
 	 * @param aclAuthorizationStrategy authorization strategy
@@ -93,15 +96,13 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 	 * @param entriesInheriting if ACEs from the parent should inherit into this ACL
 	 * @param owner the owner (required)
 	 */
-	public AclImpl(ObjectIdentity objectIdentity, Serializable id,
-			AclAuthorizationStrategy aclAuthorizationStrategy,
-			PermissionGrantingStrategy grantingStrategy, Acl parentAcl,
-			List<Sid> loadedSids, boolean entriesInheriting, Sid owner) {
+	public AclImpl(ObjectIdentity objectIdentity, Serializable id, AclAuthorizationStrategy aclAuthorizationStrategy,
+			PermissionGrantingStrategy grantingStrategy, Acl parentAcl, List<Sid> loadedSids, boolean entriesInheriting,
+			Sid owner) {
 		Assert.notNull(objectIdentity, "Object Identity required");
 		Assert.notNull(id, "Id required");
 		Assert.notNull(aclAuthorizationStrategy, "AclAuthorizationStrategy required");
 		Assert.notNull(owner, "Owner required");
-
 		this.objectIdentity = objectIdentity;
 		this.id = id;
 		this.aclAuthorizationStrategy = aclAuthorizationStrategy;
@@ -120,16 +121,11 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 	private AclImpl() {
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Override
 	public void deleteAce(int aceIndex) throws NotFoundException {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_GENERAL);
 		verifyAceIndexExists(aceIndex);
-
-		synchronized (aces) {
+		synchronized (this.aces) {
 			this.aces.remove(aceIndex);
 		}
 	}
@@ -139,32 +135,26 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 			throw new NotFoundException("aceIndex must be greater than or equal to zero");
 		}
 		if (aceIndex >= this.aces.size()) {
-			throw new NotFoundException(
-					"aceIndex must refer to an index of the AccessControlEntry list. "
-							+ "List size is " + aces.size() + ", index was " + aceIndex);
+			throw new NotFoundException("aceIndex must refer to an index of the AccessControlEntry list. "
+					+ "List size is " + this.aces.size() + ", index was " + aceIndex);
 		}
 	}
 
 	@Override
-	public void insertAce(int atIndexLocation, Permission permission, Sid sid,
-			boolean granting) throws NotFoundException {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
+	public void insertAce(int atIndexLocation, Permission permission, Sid sid, boolean granting)
+			throws NotFoundException {
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_GENERAL);
 		Assert.notNull(permission, "Permission required");
 		Assert.notNull(sid, "Sid required");
 		if (atIndexLocation < 0) {
-			throw new NotFoundException(
-					"atIndexLocation must be greater than or equal to zero");
+			throw new NotFoundException("atIndexLocation must be greater than or equal to zero");
 		}
 		if (atIndexLocation > this.aces.size()) {
 			throw new NotFoundException(
 					"atIndexLocation must be less than or equal to the size of the AccessControlEntry collection");
 		}
-
-		AccessControlEntryImpl ace = new AccessControlEntryImpl(null, this, sid,
-				permission, granting, false, false);
-
-		synchronized (aces) {
+		AccessControlEntryImpl ace = new AccessControlEntryImpl(null, this, sid, permission, granting, false, false);
+		synchronized (this.aces) {
 			this.aces.add(atIndexLocation, ace);
 		}
 	}
@@ -173,7 +163,7 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 	public List<AccessControlEntry> getEntries() {
 		// Can safely return AccessControlEntry directly, as they're immutable outside the
 		// ACL package
-		return new ArrayList<>(aces);
+		return new ArrayList<>(this.aces);
 	}
 
 	@Override
@@ -183,33 +173,29 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 
 	@Override
 	public ObjectIdentity getObjectIdentity() {
-		return objectIdentity;
+		return this.objectIdentity;
 	}
 
 	@Override
 	public boolean isEntriesInheriting() {
-		return entriesInheriting;
+		return this.entriesInheriting;
 	}
 
 	/**
 	 * Delegates to the {@link PermissionGrantingStrategy}.
-	 *
 	 * @throws UnloadedSidException if the passed SIDs are unknown to this ACL because the
 	 * ACL was only loaded for a subset of SIDs
 	 * @see DefaultPermissionGrantingStrategy
 	 */
 	@Override
-	public boolean isGranted(List<Permission> permission, List<Sid> sids,
-			boolean administrativeMode) throws NotFoundException, UnloadedSidException {
+	public boolean isGranted(List<Permission> permission, List<Sid> sids, boolean administrativeMode)
+			throws NotFoundException, UnloadedSidException {
 		Assert.notEmpty(permission, "Permissions required");
 		Assert.notEmpty(sids, "SIDs required");
-
 		if (!this.isSidLoaded(sids)) {
 			throw new UnloadedSidException("ACL was not loaded for one or more SID");
 		}
-
-		return permissionGrantingStrategy.isGranted(this, permission, sids,
-				administrativeMode);
+		return this.permissionGrantingStrategy.isGranted(this, permission, sids, administrativeMode);
 	}
 
 	@Override
@@ -223,16 +209,13 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 		// This ACL applies to a SID subset only. Iterate to check it applies.
 		for (Sid sid : sids) {
 			boolean found = false;
-
-			for (Sid loadedSid : loadedSids) {
+			for (Sid loadedSid : this.loadedSids) {
 				if (sid.equals(loadedSid)) {
 					// this SID is OK
 					found = true;
-
 					break; // out of loadedSids for loop
 				}
 			}
-
 			if (!found) {
 				return false;
 			}
@@ -243,15 +226,13 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 
 	@Override
 	public void setEntriesInheriting(boolean entriesInheriting) {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_GENERAL);
 		this.entriesInheriting = entriesInheriting;
 	}
 
 	@Override
 	public void setOwner(Sid newOwner) {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_OWNERSHIP);
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 		Assert.notNull(newOwner, "Owner required");
 		this.owner = newOwner;
 	}
@@ -263,38 +244,32 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 
 	@Override
 	public void setParent(Acl newParent) {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
-		Assert.isTrue(newParent == null || !newParent.equals(this),
-				"Cannot be the parent of yourself");
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_GENERAL);
+		Assert.isTrue(newParent == null || !newParent.equals(this), "Cannot be the parent of yourself");
 		this.parentAcl = newParent;
 	}
 
 	@Override
 	public Acl getParentAcl() {
-		return parentAcl;
+		return this.parentAcl;
 	}
 
 	@Override
 	public void updateAce(int aceIndex, Permission permission) throws NotFoundException {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_GENERAL);
 		verifyAceIndexExists(aceIndex);
-
-		synchronized (aces) {
-			AccessControlEntryImpl ace = (AccessControlEntryImpl) aces.get(aceIndex);
+		synchronized (this.aces) {
+			AccessControlEntryImpl ace = (AccessControlEntryImpl) this.aces.get(aceIndex);
 			ace.setPermission(permission);
 		}
 	}
 
 	@Override
 	public void updateAuditing(int aceIndex, boolean auditSuccess, boolean auditFailure) {
-		aclAuthorizationStrategy.securityCheck(this,
-				AclAuthorizationStrategy.CHANGE_AUDITING);
+		this.aclAuthorizationStrategy.securityCheck(this, AclAuthorizationStrategy.CHANGE_AUDITING);
 		verifyAceIndexExists(aceIndex);
-
-		synchronized (aces) {
-			AccessControlEntryImpl ace = (AccessControlEntryImpl) aces.get(aceIndex);
+		synchronized (this.aces) {
+			AccessControlEntryImpl ace = (AccessControlEntryImpl) this.aces.get(aceIndex);
 			ace.setAuditSuccess(auditSuccess);
 			ace.setAuditFailure(auditFailure);
 		}
@@ -302,57 +277,35 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 
 	@Override
 	public boolean equals(Object obj) {
-		if (obj instanceof AclImpl) {
-			AclImpl rhs = (AclImpl) obj;
-			if (this.aces.equals(rhs.aces)) {
-				if ((this.parentAcl == null && rhs.parentAcl == null)
-						|| (this.parentAcl != null && this.parentAcl
-								.equals(rhs.parentAcl))) {
-					if ((this.objectIdentity == null && rhs.objectIdentity == null)
-							|| (this.objectIdentity != null && this.objectIdentity
-									.equals(rhs.objectIdentity))) {
-						if ((this.id == null && rhs.id == null)
-								|| (this.id != null && this.id.equals(rhs.id))) {
-							if ((this.owner == null && rhs.owner == null)
-									|| (this.owner != null && this.owner
-											.equals(rhs.owner))) {
-								if (this.entriesInheriting == rhs.entriesInheriting) {
-									if ((this.loadedSids == null && rhs.loadedSids == null)) {
-										return true;
-									}
-									if (this.loadedSids != null
-											&& (this.loadedSids.size() == rhs.loadedSids
-													.size())) {
-										for (int i = 0; i < this.loadedSids.size(); i++) {
-											if (!this.loadedSids.get(i).equals(
-													rhs.loadedSids.get(i))) {
-												return false;
-											}
-										}
-										return true;
-									}
-								}
-							}
-						}
-					}
-				}
-			}
+		if (obj == this) {
+			return true;
 		}
-		return false;
+		if (obj == null || !(obj instanceof AclImpl)) {
+			return false;
+		}
+		AclImpl other = (AclImpl) obj;
+		boolean result = true;
+		result = result && this.aces.equals(other.aces);
+		result = result && ObjectUtils.nullSafeEquals(this.parentAcl, other.parentAcl);
+		result = result && ObjectUtils.nullSafeEquals(this.objectIdentity, other.objectIdentity);
+		result = result && ObjectUtils.nullSafeEquals(this.id, other.id);
+		result = result && ObjectUtils.nullSafeEquals(this.owner, other.owner);
+		result = result && this.entriesInheriting == other.entriesInheriting;
+		result = result && ObjectUtils.nullSafeEquals(this.loadedSids, other.loadedSids);
+		return result;
 	}
 
 	@Override
 	public int hashCode() {
-		int result = this.parentAcl != null ? this.parentAcl.hashCode() : 0;
+		int result = (this.parentAcl != null) ? this.parentAcl.hashCode() : 0;
 		result = 31 * result + this.aclAuthorizationStrategy.hashCode();
-		result = 31 * result + (this.permissionGrantingStrategy != null ?
-			this.permissionGrantingStrategy.hashCode() :
-			0);
-		result = 31 * result + (this.aces != null ? this.aces.hashCode() : 0);
+		result = 31 * result
+				+ ((this.permissionGrantingStrategy != null) ? this.permissionGrantingStrategy.hashCode() : 0);
+		result = 31 * result + ((this.aces != null) ? this.aces.hashCode() : 0);
 		result = 31 * result + this.objectIdentity.hashCode();
 		result = 31 * result + this.id.hashCode();
-		result = 31 * result + (this.owner != null ? this.owner.hashCode() : 0);
-		result = 31 * result + (this.loadedSids != null ? this.loadedSids.hashCode() : 0);
+		result = 31 * result + ((this.owner != null) ? this.owner.hashCode() : 0);
+		result = 31 * result + ((this.loadedSids != null) ? this.loadedSids.hashCode() : 0);
 		result = 31 * result + (this.entriesInheriting ? 1 : 0);
 		return result;
 	}
@@ -364,33 +317,23 @@ public class AclImpl implements Acl, MutableAcl, AuditableAcl, OwnershipAcl {
 		sb.append("id: ").append(this.id).append("; ");
 		sb.append("objectIdentity: ").append(this.objectIdentity).append("; ");
 		sb.append("owner: ").append(this.owner).append("; ");
-
 		int count = 0;
-
-		for (AccessControlEntry ace : aces) {
+		for (AccessControlEntry ace : this.aces) {
 			count++;
-
 			if (count == 1) {
 				sb.append("\n");
 			}
-
 			sb.append(ace).append("\n");
 		}
-
 		if (count == 0) {
 			sb.append("no ACEs; ");
 		}
-
 		sb.append("inheriting: ").append(this.entriesInheriting).append("; ");
-		sb.append("parent: ").append(
-				(this.parentAcl == null) ? "Null" : this.parentAcl.getObjectIdentity()
-						.toString());
+		sb.append("parent: ").append((this.parentAcl == null) ? "Null" : this.parentAcl.getObjectIdentity().toString());
 		sb.append("; ");
-		sb.append("aclAuthorizationStrategy: ").append(this.aclAuthorizationStrategy)
-				.append("; ");
+		sb.append("aclAuthorizationStrategy: ").append(this.aclAuthorizationStrategy).append("; ");
 		sb.append("permissionGrantingStrategy: ").append(this.permissionGrantingStrategy);
 		sb.append("]");
-
 		return sb.toString();
 	}
 

acl/src/main/java/org/springframework/security/acls/domain/AuditLogger.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.AccessControlEntry;
@@ -21,11 +22,9 @@ import org.springframework.security.acls.model.AccessControlEntry;
  * Used by <code>AclImpl</code> to log audit events.
  *
  * @author Ben Alex
- *
  */
 public interface AuditLogger {
-	// ~ Methods
-	// ========================================================================================================
 
 	void logIfNeeded(boolean granted, AccessControlEntry ace);
+
 }

acl/src/main/java/org/springframework/security/acls/domain/BasePermission.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Permission;
@@ -28,10 +29,15 @@ import org.springframework.security.acls.model.Permission;
  * @author Ben Alex
  */
 public class BasePermission extends AbstractPermission {
+
 	public static final Permission READ = new BasePermission(1 << 0, 'R'); // 1
+
 	public static final Permission WRITE = new BasePermission(1 << 1, 'W'); // 2
+
 	public static final Permission CREATE = new BasePermission(1 << 2, 'C'); // 4
+
 	public static final Permission DELETE = new BasePermission(1 << 3, 'D'); // 8
+
 	public static final Permission ADMINISTRATION = new BasePermission(1 << 4, 'A'); // 16
 
 	protected BasePermission(int mask) {
@@ -41,4 +47,5 @@ public class BasePermission extends AbstractPermission {
 	protected BasePermission(int mask, char code) {
 		super(mask, code);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/ConsoleAuditLogger.java

@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.AccessControlEntry;
 import org.springframework.security.acls.model.AuditableAccessControlEntry;
-
 import org.springframework.util.Assert;
 
 /**
@@ -26,15 +26,12 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class ConsoleAuditLogger implements AuditLogger {
-	// ~ Methods
-	// ========================================================================================================
 
+	@Override
 	public void logIfNeeded(boolean granted, AccessControlEntry ace) {
 		Assert.notNull(ace, "AccessControlEntry required");
-
 		if (ace instanceof AuditableAccessControlEntry) {
 			AuditableAccessControlEntry auditableAce = (AuditableAccessControlEntry) ace;
-
 			if (granted && auditableAce.isAuditSuccess()) {
 				System.out.println("GRANTED due to ACE: " + ace);
 			}
@@ -43,4 +40,5 @@ public class ConsoleAuditLogger implements AuditLogger {
 			}
 		}
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/CumulativePermission.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Permission;
@@ -37,27 +38,23 @@ public class CumulativePermission extends AbstractPermission {
 
 	public CumulativePermission clear(Permission permission) {
 		this.mask &= ~permission.getMask();
-		this.pattern = AclFormattingUtils.demergePatterns(this.pattern,
-				permission.getPattern());
-
+		this.pattern = AclFormattingUtils.demergePatterns(this.pattern, permission.getPattern());
 		return this;
 	}
 
 	public CumulativePermission clear() {
 		this.mask = 0;
 		this.pattern = THIRTY_TWO_RESERVED_OFF;
-
 		return this;
 	}
 
 	public CumulativePermission set(Permission permission) {
 		this.mask |= permission.getMask();
-		this.pattern = AclFormattingUtils.mergePatterns(this.pattern,
-				permission.getPattern());
-
+		this.pattern = AclFormattingUtils.mergePatterns(this.pattern, permission.getPattern());
 		return this;
 	}
 
+	@Override
 	public String getPattern() {
 		return this.pattern;
 	}

acl/src/main/java/org/springframework/security/acls/domain/DefaultPermissionFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.lang.reflect.Field;
@@ -38,7 +39,9 @@ import org.springframework.util.Assert;
  * @since 2.0.3
  */
 public class DefaultPermissionFactory implements PermissionFactory {
+
 	private final Map<Integer, Permission> registeredPermissionsByInteger = new HashMap<>();
+
 	private final Map<String, Permission> registeredPermissionsByName = new HashMap<>();
 
 	/**
@@ -57,7 +60,6 @@ public class DefaultPermissionFactory implements PermissionFactory {
 
 	/**
 	 * Registers a map of named <tt>Permission</tt> instances.
-	 *
 	 * @param namedPermissions the map of <tt>Permission</tt>s, keyed by name.
 	 */
 	public DefaultPermissionFactory(Map<String, ? extends Permission> namedPermissions) {
@@ -71,27 +73,22 @@ public class DefaultPermissionFactory implements PermissionFactory {
 	 * <p>
 	 * These permissions will be registered under the name of the field. See
 	 * {@link BasePermission} for an example.
-	 *
 	 * @param clazz a {@link Permission} class with public static fields to register
 	 */
 	protected void registerPublicPermissions(Class<? extends Permission> clazz) {
 		Assert.notNull(clazz, "Class required");
-
 		Field[] fields = clazz.getFields();
-
 		for (Field field : fields) {
 			try {
 				Object fieldValue = field.get(null);
-
 				if (Permission.class.isAssignableFrom(fieldValue.getClass())) {
 					// Found a Permission static field
 					Permission perm = (Permission) fieldValue;
 					String permissionName = field.getName();
-
 					registerPermission(perm, permissionName);
 				}
 			}
-			catch (Exception ignore) {
+			catch (Exception ex) {
 			}
 		}
 	}
@@ -99,68 +96,57 @@ public class DefaultPermissionFactory implements PermissionFactory {
 	protected void registerPermission(Permission perm, String permissionName) {
 		Assert.notNull(perm, "Permission required");
 		Assert.hasText(permissionName, "Permission name required");
-
 		Integer mask = perm.getMask();
 
 		// Ensure no existing Permission uses this integer or code
-		Assert.isTrue(!registeredPermissionsByInteger.containsKey(mask),
+		Assert.isTrue(!this.registeredPermissionsByInteger.containsKey(mask),
 				() -> "An existing Permission already provides mask " + mask);
-		Assert.isTrue(!registeredPermissionsByName.containsKey(permissionName),
+		Assert.isTrue(!this.registeredPermissionsByName.containsKey(permissionName),
 				() -> "An existing Permission already provides name '" + permissionName + "'");
 
 		// Register the new Permission
-		registeredPermissionsByInteger.put(mask, perm);
-		registeredPermissionsByName.put(permissionName, perm);
+		this.registeredPermissionsByInteger.put(mask, perm);
+		this.registeredPermissionsByName.put(permissionName, perm);
 	}
 
+	@Override
 	public Permission buildFromMask(int mask) {
-		if (registeredPermissionsByInteger.containsKey(mask)) {
+		if (this.registeredPermissionsByInteger.containsKey(mask)) {
 			// The requested mask has an exact match against a statically-defined
 			// Permission, so return it
-			return registeredPermissionsByInteger.get(mask);
+			return this.registeredPermissionsByInteger.get(mask);
 		}
 
 		// To get this far, we have to use a CumulativePermission
 		CumulativePermission permission = new CumulativePermission();
-
 		for (int i = 0; i < 32; i++) {
 			int permissionToCheck = 1 << i;
-
 			if ((mask & permissionToCheck) == permissionToCheck) {
-				Permission p = registeredPermissionsByInteger.get(permissionToCheck);
-
-				if (p == null) {
-					throw new IllegalStateException("Mask '" + permissionToCheck
-							+ "' does not have a corresponding static Permission");
-				}
+				Permission p = this.registeredPermissionsByInteger.get(permissionToCheck);
+				Assert.state(p != null,
+						() -> "Mask '" + permissionToCheck + "' does not have a corresponding static Permission");
 				permission.set(p);
 			}
 		}
-
 		return permission;
 	}
 
+	@Override
 	public Permission buildFromName(String name) {
-		Permission p = registeredPermissionsByName.get(name);
-
-		if (p == null) {
-			throw new IllegalArgumentException("Unknown permission '" + name + "'");
-		}
-
+		Permission p = this.registeredPermissionsByName.get(name);
+		Assert.notNull(p, "Unknown permission '" + name + "'");
 		return p;
 	}
 
+	@Override
 	public List<Permission> buildFromNames(List<String> names) {
 		if ((names == null) || (names.size() == 0)) {
 			return Collections.emptyList();
 		}
-
 		List<Permission> permissions = new ArrayList<>(names.size());
-
 		for (String name : names) {
 			permissions.add(buildFromName(name));
 		}
-
 		return permissions;
 	}
 

acl/src/main/java/org/springframework/security/acls/domain/DefaultPermissionGrantingStrategy.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.util.List;
@@ -61,42 +62,33 @@ public class DefaultPermissionGrantingStrategy implements PermissionGrantingStra
 	 * decide how to handle the permission check. Similarly, if any of the SID arguments
 	 * presented to the method were not loaded by the ACL,
 	 * <code>UnloadedSidException</code> will be thrown.
-	 *
 	 * @param permission the exact permissions to scan for (order is important)
 	 * @param sids the exact SIDs to scan for (order is important)
 	 * @param administrativeMode if <code>true</code> denotes the query is for
 	 * administrative purposes and no auditing will be undertaken
-	 *
 	 * @return <code>true</code> if one of the permissions has been granted,
 	 * <code>false</code> if one of the permissions has been specifically revoked
-	 *
 	 * @throws NotFoundException if an exact ACE for one of the permission bit masks and
 	 * SID combination could not be found
 	 */
-	public boolean isGranted(Acl acl, List<Permission> permission, List<Sid> sids,
-			boolean administrativeMode) throws NotFoundException {
-
-		final List<AccessControlEntry> aces = acl.getEntries();
-
+	@Override
+	public boolean isGranted(Acl acl, List<Permission> permission, List<Sid> sids, boolean administrativeMode)
+			throws NotFoundException {
+		List<AccessControlEntry> aces = acl.getEntries();
 		AccessControlEntry firstRejection = null;
-
 		for (Permission p : permission) {
 			for (Sid sid : sids) {
 				// Attempt to find exact match for this permission mask and SID
 				boolean scanNextSid = true;
-
 				for (AccessControlEntry ace : aces) {
-
-					if (isGranted(ace, p)
-							&& ace.getSid().equals(sid)) {
+					if (isGranted(ace, p) && ace.getSid().equals(sid)) {
 						// Found a matching ACE, so its authorization decision will
 						// prevail
 						if (ace.isGranting()) {
 							// Success
 							if (!administrativeMode) {
-								auditLogger.logIfNeeded(true, ace);
+								this.auditLogger.logIfNeeded(true, ace);
 							}
-
 							return true;
 						}
 
@@ -107,13 +99,11 @@ public class DefaultPermissionGrantingStrategy implements PermissionGrantingStra
 							// Store first rejection for auditing reasons
 							firstRejection = ace;
 						}
-
 						scanNextSid = false; // helps break the loop
 
 						break; // exit aces loop
 					}
 				}
-
 				if (!scanNextSid) {
 					break; // exit SID for loop (now try next permission)
 				}
@@ -124,9 +114,8 @@ public class DefaultPermissionGrantingStrategy implements PermissionGrantingStra
 			// We found an ACE to reject the request at this point, as no
 			// other ACEs were found that granted a different permission
 			if (!administrativeMode) {
-				auditLogger.logIfNeeded(false, firstRejection);
+				this.auditLogger.logIfNeeded(false, firstRejection);
 			}
-
 			return false;
 		}
 
@@ -135,26 +124,22 @@ public class DefaultPermissionGrantingStrategy implements PermissionGrantingStra
 			// We have a parent, so let them try to find a matching ACE
 			return acl.getParentAcl().isGranted(permission, sids, false);
 		}
-		else {
-			// We either have no parent, or we're the uppermost parent
-			throw new NotFoundException(
-					"Unable to locate a matching ACE for passed permissions and SIDs");
-		}
+
+		// We either have no parent, or we're the uppermost parent
+		throw new NotFoundException("Unable to locate a matching ACE for passed permissions and SIDs");
 	}
 
 	/**
-	 * Compares an ACE Permission to the given Permission.
-	 * By default, we compare the Permission masks for exact match.
-	 * Subclasses of this strategy can override this behavior and implement
-	 * more sophisticated comparisons, e.g. a bitwise comparison for ACEs that grant access.
-	 * <pre>{@code
+	 * Compares an ACE Permission to the given Permission. By default, we compare the
+	 * Permission masks for exact match. Subclasses of this strategy can override this
+	 * behavior and implement more sophisticated comparisons, e.g. a bitwise comparison
+	 * for ACEs that grant access. <pre>{@code
 	 * if (ace.isGranting() && p.getMask() != 0) {
 	 *    return (ace.getPermission().getMask() & p.getMask()) != 0;
 	 * } else {
 	 *    return ace.getPermission().getMask() == p.getMask();
 	 * }
 	 * }</pre>
-	 *
 	 * @param ace the ACE from the Acl holding the mask.
 	 * @param p the Permission we are checking against.
 	 * @return true, if the respective masks are considered to be equal.

acl/src/main/java/org/springframework/security/acls/domain/EhCacheBasedAclCache.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.io.Serializable;
@@ -38,18 +39,14 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class EhCacheBasedAclCache implements AclCache {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final Ehcache cache;
+
 	private PermissionGrantingStrategy permissionGrantingStrategy;
-	private AclAuthorizationStrategy aclAuthorizationStrategy;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private AclAuthorizationStrategy aclAuthorizationStrategy;
 
-	public EhCacheBasedAclCache(Ehcache cache,
-			PermissionGrantingStrategy permissionGrantingStrategy,
+	public EhCacheBasedAclCache(Ehcache cache, PermissionGrantingStrategy permissionGrantingStrategy,
 			AclAuthorizationStrategy aclAuthorizationStrategy) {
 		Assert.notNull(cache, "Cache required");
 		Assert.notNull(permissionGrantingStrategy, "PermissionGrantingStrategy required");
@@ -59,72 +56,55 @@ public class EhCacheBasedAclCache implements AclCache {
 		this.aclAuthorizationStrategy = aclAuthorizationStrategy;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public void evictFromCache(Serializable pk) {
 		Assert.notNull(pk, "Primary key (identifier) required");
-
 		MutableAcl acl = getFromCache(pk);
-
 		if (acl != null) {
-			cache.remove(acl.getId());
-			cache.remove(acl.getObjectIdentity());
+			this.cache.remove(acl.getId());
+			this.cache.remove(acl.getObjectIdentity());
 		}
 	}
 
+	@Override
 	public void evictFromCache(ObjectIdentity objectIdentity) {
 		Assert.notNull(objectIdentity, "ObjectIdentity required");
-
 		MutableAcl acl = getFromCache(objectIdentity);
-
 		if (acl != null) {
-			cache.remove(acl.getId());
-			cache.remove(acl.getObjectIdentity());
+			this.cache.remove(acl.getId());
+			this.cache.remove(acl.getObjectIdentity());
 		}
 	}
 
+	@Override
 	public MutableAcl getFromCache(ObjectIdentity objectIdentity) {
 		Assert.notNull(objectIdentity, "ObjectIdentity required");
-
-		Element element = null;
-
 		try {
-			element = cache.get(objectIdentity);
-		}
-		catch (CacheException ignored) {
+			Element element = this.cache.get(objectIdentity);
+			return (element != null) ? initializeTransientFields((MutableAcl) element.getValue()) : null;
 		}
-
-		if (element == null) {
+		catch (CacheException ex) {
 			return null;
 		}
-
-		return initializeTransientFields((MutableAcl) element.getValue());
 	}
 
+	@Override
 	public MutableAcl getFromCache(Serializable pk) {
 		Assert.notNull(pk, "Primary key (identifier) required");
-
-		Element element = null;
-
 		try {
-			element = cache.get(pk);
-		}
-		catch (CacheException ignored) {
+			Element element = this.cache.get(pk);
+			return (element != null) ? initializeTransientFields((MutableAcl) element.getValue()) : null;
 		}
-
-		if (element == null) {
+		catch (CacheException ex) {
 			return null;
 		}
-
-		return initializeTransientFields((MutableAcl) element.getValue());
 	}
 
+	@Override
 	public void putInCache(MutableAcl acl) {
 		Assert.notNull(acl, "Acl required");
 		Assert.notNull(acl.getObjectIdentity(), "ObjectIdentity required");
 		Assert.notNull(acl.getId(), "ID required");
-
 		if (this.aclAuthorizationStrategy == null) {
 			if (acl instanceof AclImpl) {
 				this.aclAuthorizationStrategy = (AclAuthorizationStrategy) FieldUtils
@@ -133,30 +113,27 @@ public class EhCacheBasedAclCache implements AclCache {
 						.getProtectedFieldValue("permissionGrantingStrategy", acl);
 			}
 		}
-
 		if ((acl.getParentAcl() != null) && (acl.getParentAcl() instanceof MutableAcl)) {
 			putInCache((MutableAcl) acl.getParentAcl());
 		}
-
-		cache.put(new Element(acl.getObjectIdentity(), acl));
-		cache.put(new Element(acl.getId(), acl));
+		this.cache.put(new Element(acl.getObjectIdentity(), acl));
+		this.cache.put(new Element(acl.getId(), acl));
 	}
 
 	private MutableAcl initializeTransientFields(MutableAcl value) {
 		if (value instanceof AclImpl) {
-			FieldUtils.setProtectedFieldValue("aclAuthorizationStrategy", value,
-					this.aclAuthorizationStrategy);
-			FieldUtils.setProtectedFieldValue("permissionGrantingStrategy", value,
-					this.permissionGrantingStrategy);
+			FieldUtils.setProtectedFieldValue("aclAuthorizationStrategy", value, this.aclAuthorizationStrategy);
+			FieldUtils.setProtectedFieldValue("permissionGrantingStrategy", value, this.permissionGrantingStrategy);
 		}
-
 		if (value.getParentAcl() != null) {
 			initializeTransientFields((MutableAcl) value.getParentAcl());
 		}
 		return value;
 	}
 
+	@Override
 	public void clearCache() {
-		cache.removeAll();
+		this.cache.removeAll();
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/GrantedAuthoritySid.java

@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Sid;
 import org.springframework.security.core.GrantedAuthority;
-
 import org.springframework.util.Assert;
 
 /**
@@ -31,14 +31,9 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class GrantedAuthoritySid implements Sid {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final String grantedAuthority;
 
-	// ~ Constructors
-	// ===================================================================================================
-
 	public GrantedAuthoritySid(String grantedAuthority) {
 		Assert.hasText(grantedAuthority, "GrantedAuthority required");
 		this.grantedAuthority = grantedAuthority;
@@ -46,25 +41,19 @@ public class GrantedAuthoritySid implements Sid {
 
 	public GrantedAuthoritySid(GrantedAuthority grantedAuthority) {
 		Assert.notNull(grantedAuthority, "GrantedAuthority required");
-		Assert.notNull(
-				grantedAuthority.getAuthority(),
+		Assert.notNull(grantedAuthority.getAuthority(),
 				"This Sid is only compatible with GrantedAuthoritys that provide a non-null getAuthority()");
 		this.grantedAuthority = grantedAuthority.getAuthority();
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Override
 	public boolean equals(Object object) {
 		if ((object == null) || !(object instanceof GrantedAuthoritySid)) {
 			return false;
 		}
-
 		// Delegate to getGrantedAuthority() to perform actual comparison (both should be
 		// identical)
-		return ((GrantedAuthoritySid) object).getGrantedAuthority().equals(
-				this.getGrantedAuthority());
+		return ((GrantedAuthoritySid) object).getGrantedAuthority().equals(this.getGrantedAuthority());
 	}
 
 	@Override
@@ -73,11 +62,12 @@ public class GrantedAuthoritySid implements Sid {
 	}
 
 	public String getGrantedAuthority() {
-		return grantedAuthority;
+		return this.grantedAuthority;
 	}
 
 	@Override
 	public String toString() {
 		return "GrantedAuthoritySid[" + this.grantedAuthority + "]";
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/IdentityUnavailableException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 /**
@@ -21,12 +22,9 @@ package org.springframework.security.acls.domain;
  * @author Ben Alex
  */
 public class IdentityUnavailableException extends RuntimeException {
-	// ~ Constructors
-	// ===================================================================================================
 
 	/**
 	 * Constructs an <code>IdentityUnavailableException</code> with the specified message.
-	 *
 	 * @param msg the detail message
 	 */
 	public IdentityUnavailableException(String msg) {
@@ -36,11 +34,11 @@ public class IdentityUnavailableException extends RuntimeException {
 	/**
 	 * Constructs an <code>IdentityUnavailableException</code> with the specified message
 	 * and root cause.
-	 *
 	 * @param msg the detail message
-	 * @param t root cause
+	 * @param cause root cause
 	 */
-	public IdentityUnavailableException(String msg, Throwable t) {
-		super(msg, t);
+	public IdentityUnavailableException(String msg, Throwable cause) {
+		super(msg, cause);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/ObjectIdentityImpl.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.io.Serializable;
@@ -31,19 +32,14 @@ import org.springframework.util.ClassUtils;
  * @author Ben Alex
  */
 public class ObjectIdentityImpl implements ObjectIdentity {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final String type;
-	private Serializable identifier;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private Serializable identifier;
 
 	public ObjectIdentityImpl(String type, Serializable identifier) {
 		Assert.hasText(type, "Type required");
 		Assert.notNull(identifier, "identifier required");
-
 		this.identifier = identifier;
 		this.type = type;
 	}
@@ -66,37 +62,29 @@ public class ObjectIdentityImpl implements ObjectIdentity {
 	 * <p>
 	 * The class name of the object passed will be considered the {@link #type}, so if
 	 * more control is required, a different constructor should be used.
-	 *
 	 * @param object the domain object instance to create an identity for.
-	 *
 	 * @throws IdentityUnavailableException if identity could not be extracted
 	 */
 	public ObjectIdentityImpl(Object object) throws IdentityUnavailableException {
 		Assert.notNull(object, "object cannot be null");
-
 		Class<?> typeClass = ClassUtils.getUserClass(object.getClass());
-		type = typeClass.getName();
-
-		Object result;
+		this.type = typeClass.getName();
+		Object result = invokeGetIdMethod(object, typeClass);
+		Assert.notNull(result, "getId() is required to return a non-null value");
+		Assert.isInstanceOf(Serializable.class, result, "Getter must provide a return value of type Serializable");
+		this.identifier = (Serializable) result;
+	}
 
+	private Object invokeGetIdMethod(Object object, Class<?> typeClass) {
 		try {
 			Method method = typeClass.getMethod("getId", new Class[] {});
-			result = method.invoke(object);
+			return method.invoke(object);
 		}
-		catch (Exception e) {
-			throw new IdentityUnavailableException(
-					"Could not extract identity from object " + object, e);
+		catch (Exception ex) {
+			throw new IdentityUnavailableException("Could not extract identity from object " + object, ex);
 		}
-
-		Assert.notNull(result, "getId() is required to return a non-null value");
-		Assert.isInstanceOf(Serializable.class, result,
-				"Getter must provide a return value of type Serializable");
-		this.identifier = (Serializable) result;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	/**
 	 * Important so caching operates properly.
 	 * <p>
@@ -105,49 +93,42 @@ public class ObjectIdentityImpl implements ObjectIdentity {
 	 * <p>
 	 * Numeric identities (Integer and Long values) are considered equal if they are
 	 * numerically equal. Other serializable types are evaluated using a simple equality.
-	 *
-	 * @param arg0 object to compare
-	 *
+	 * @param obj object to compare
 	 * @return <code>true</code> if the presented object matches this object
 	 */
 	@Override
-	public boolean equals(Object arg0) {
-		if (arg0 == null || !(arg0 instanceof ObjectIdentityImpl)) {
+	public boolean equals(Object obj) {
+		if (obj == null || !(obj instanceof ObjectIdentityImpl)) {
 			return false;
 		}
-
-		ObjectIdentityImpl other = (ObjectIdentityImpl) arg0;
-
-		if (identifier instanceof Number && other.identifier instanceof Number) {
+		ObjectIdentityImpl other = (ObjectIdentityImpl) obj;
+		if (this.identifier instanceof Number && other.identifier instanceof Number) {
 			// Integers and Longs with same value should be considered equal
-			if (((Number) identifier).longValue() != ((Number) other.identifier)
-					.longValue()) {
+			if (((Number) this.identifier).longValue() != ((Number) other.identifier).longValue()) {
 				return false;
 			}
 		}
 		else {
 			// Use plain equality for other serializable types
-			if (!identifier.equals(other.identifier)) {
+			if (!this.identifier.equals(other.identifier)) {
 				return false;
 			}
 		}
-
-		return type.equals(other.type);
+		return this.type.equals(other.type);
 	}
 
 	@Override
 	public Serializable getIdentifier() {
-		return identifier;
+		return this.identifier;
 	}
 
 	@Override
 	public String getType() {
-		return type;
+		return this.type;
 	}
 
 	/**
 	 * Important so caching operates properly.
-	 *
 	 * @return the hash
 	 */
 	@Override
@@ -163,7 +144,7 @@ public class ObjectIdentityImpl implements ObjectIdentity {
 		sb.append(this.getClass().getName()).append("[");
 		sb.append("Type: ").append(this.type);
 		sb.append("; Identifier: ").append(this.identifier).append("]");
-
 		return sb.toString();
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/ObjectIdentityRetrievalStrategyImpl.java

@@ -29,16 +29,16 @@ import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
  *
  * @author Ben Alex
  */
-public class ObjectIdentityRetrievalStrategyImpl implements
-		ObjectIdentityRetrievalStrategy, ObjectIdentityGenerator {
-	// ~ Methods
-	// ========================================================================================================
+public class ObjectIdentityRetrievalStrategyImpl implements ObjectIdentityRetrievalStrategy, ObjectIdentityGenerator {
 
+	@Override
 	public ObjectIdentity getObjectIdentity(Object domainObject) {
 		return new ObjectIdentityImpl(domainObject);
 	}
 
+	@Override
 	public ObjectIdentity createObjectIdentity(Serializable id, String type) {
 		return new ObjectIdentityImpl(type, id);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/PermissionFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import java.util.List;
@@ -25,16 +26,13 @@ import org.springframework.security.acls.model.Permission;
  *
  * @author Ben Alex
  * @since 2.0.3
- *
  */
 public interface PermissionFactory {
 
 	/**
 	 * Dynamically creates a <code>CumulativePermission</code> or
 	 * <code>BasePermission</code> representing the active bits in the passed mask.
-	 *
 	 * @param mask to build
-	 *
 	 * @return a Permission representing the requested object
 	 */
 	Permission buildFromMask(int mask);
@@ -42,4 +40,5 @@ public interface PermissionFactory {
 	Permission buildFromName(String name);
 
 	List<Permission> buildFromNames(List<String> names);
+
 }

acl/src/main/java/org/springframework/security/acls/domain/PrincipalSid.java

@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Sid;
 import org.springframework.security.core.Authentication;
-
 import org.springframework.util.Assert;
 
 /**
@@ -31,14 +31,9 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class PrincipalSid implements Sid {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final String principal;
 
-	// ~ Constructors
-	// ===================================================================================================
-
 	public PrincipalSid(String principal) {
 		Assert.hasText(principal, "Principal required");
 		this.principal = principal;
@@ -47,19 +42,14 @@ public class PrincipalSid implements Sid {
 	public PrincipalSid(Authentication authentication) {
 		Assert.notNull(authentication, "Authentication required");
 		Assert.notNull(authentication.getPrincipal(), "Principal required");
-
 		this.principal = authentication.getName();
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Override
 	public boolean equals(Object object) {
 		if ((object == null) || !(object instanceof PrincipalSid)) {
 			return false;
 		}
-
 		// Delegate to getPrincipal() to perform actual comparison (both should be
 		// identical)
 		return ((PrincipalSid) object).getPrincipal().equals(this.getPrincipal());
@@ -71,11 +61,12 @@ public class PrincipalSid implements Sid {
 	}
 
 	public String getPrincipal() {
-		return principal;
+		return this.principal;
 	}
 
 	@Override
 	public String toString() {
 		return "PrincipalSid[" + this.principal + "]";
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/SidRetrievalStrategyImpl.java

@@ -51,20 +51,16 @@ public class SidRetrievalStrategyImpl implements SidRetrievalStrategy {
 		this.roleHierarchy = roleHierarchy;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public List<Sid> getSids(Authentication authentication) {
-		Collection<? extends GrantedAuthority> authorities = roleHierarchy
+		Collection<? extends GrantedAuthority> authorities = this.roleHierarchy
 				.getReachableGrantedAuthorities(authentication.getAuthorities());
 		List<Sid> sids = new ArrayList<>(authorities.size() + 1);
-
 		sids.add(new PrincipalSid(authentication));
-
 		for (GrantedAuthority authority : authorities) {
 			sids.add(new GrantedAuthoritySid(authority));
 		}
-
 		return sids;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/SpringCacheBasedAclCache.java

@@ -13,8 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
+import java.io.Serializable;
+
 import org.springframework.cache.Cache;
 import org.springframework.security.acls.model.AclCache;
 import org.springframework.security.acls.model.MutableAcl;
@@ -23,8 +26,6 @@ import org.springframework.security.acls.model.PermissionGrantingStrategy;
 import org.springframework.security.util.FieldUtils;
 import org.springframework.util.Assert;
 
-import java.io.Serializable;
-
 /**
  * Simple implementation of {@link org.springframework.security.acls.model.AclCache} that
  * delegates to {@link Cache} implementation.
@@ -39,18 +40,14 @@ import java.io.Serializable;
  * @since 3.2
  */
 public class SpringCacheBasedAclCache implements AclCache {
-	// ~ Instance fields
-	// ================================================================================================
 
 	private final Cache cache;
+
 	private PermissionGrantingStrategy permissionGrantingStrategy;
-	private AclAuthorizationStrategy aclAuthorizationStrategy;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private AclAuthorizationStrategy aclAuthorizationStrategy;
 
-	public SpringCacheBasedAclCache(Cache cache,
-			PermissionGrantingStrategy permissionGrantingStrategy,
+	public SpringCacheBasedAclCache(Cache cache, PermissionGrantingStrategy permissionGrantingStrategy,
 			AclAuthorizationStrategy aclAuthorizationStrategy) {
 		Assert.notNull(cache, "Cache required");
 		Assert.notNull(permissionGrantingStrategy, "PermissionGrantingStrategy required");
@@ -60,79 +57,72 @@ public class SpringCacheBasedAclCache implements AclCache {
 		this.aclAuthorizationStrategy = aclAuthorizationStrategy;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public void evictFromCache(Serializable pk) {
 		Assert.notNull(pk, "Primary key (identifier) required");
-
 		MutableAcl acl = getFromCache(pk);
-
 		if (acl != null) {
-			cache.evict(acl.getId());
-			cache.evict(acl.getObjectIdentity());
+			this.cache.evict(acl.getId());
+			this.cache.evict(acl.getObjectIdentity());
 		}
 	}
 
+	@Override
 	public void evictFromCache(ObjectIdentity objectIdentity) {
 		Assert.notNull(objectIdentity, "ObjectIdentity required");
-
 		MutableAcl acl = getFromCache(objectIdentity);
-
 		if (acl != null) {
-			cache.evict(acl.getId());
-			cache.evict(acl.getObjectIdentity());
+			this.cache.evict(acl.getId());
+			this.cache.evict(acl.getObjectIdentity());
 		}
 	}
 
+	@Override
 	public MutableAcl getFromCache(ObjectIdentity objectIdentity) {
 		Assert.notNull(objectIdentity, "ObjectIdentity required");
 		return getFromCache((Object) objectIdentity);
 	}
 
+	@Override
 	public MutableAcl getFromCache(Serializable pk) {
 		Assert.notNull(pk, "Primary key (identifier) required");
 		return getFromCache((Object) pk);
 	}
 
+	@Override
 	public void putInCache(MutableAcl acl) {
 		Assert.notNull(acl, "Acl required");
 		Assert.notNull(acl.getObjectIdentity(), "ObjectIdentity required");
 		Assert.notNull(acl.getId(), "ID required");
-
 		if ((acl.getParentAcl() != null) && (acl.getParentAcl() instanceof MutableAcl)) {
 			putInCache((MutableAcl) acl.getParentAcl());
 		}
-
-		cache.put(acl.getObjectIdentity(), acl);
-		cache.put(acl.getId(), acl);
+		this.cache.put(acl.getObjectIdentity(), acl);
+		this.cache.put(acl.getId(), acl);
 	}
 
 	private MutableAcl getFromCache(Object key) {
-		Cache.ValueWrapper element = cache.get(key);
-
+		Cache.ValueWrapper element = this.cache.get(key);
 		if (element == null) {
 			return null;
 		}
-
 		return initializeTransientFields((MutableAcl) element.get());
 	}
 
 	private MutableAcl initializeTransientFields(MutableAcl value) {
 		if (value instanceof AclImpl) {
-			FieldUtils.setProtectedFieldValue("aclAuthorizationStrategy", value,
-					this.aclAuthorizationStrategy);
-			FieldUtils.setProtectedFieldValue("permissionGrantingStrategy", value,
-					this.permissionGrantingStrategy);
+			FieldUtils.setProtectedFieldValue("aclAuthorizationStrategy", value, this.aclAuthorizationStrategy);
+			FieldUtils.setProtectedFieldValue("permissionGrantingStrategy", value, this.permissionGrantingStrategy);
 		}
-
 		if (value.getParentAcl() != null) {
 			initializeTransientFields((MutableAcl) value.getParentAcl());
 		}
 		return value;
 	}
 
+	@Override
 	public void clearCache() {
-		cache.clear();
+		this.cache.clear();
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/domain/package-info.java

@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /**
  * Basic implementation of access control lists (ACLs) interfaces.
  */
 package org.springframework.security.acls.domain;
-

acl/src/main/java/org/springframework/security/acls/jdbc/AclClassIdUtils.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import java.io.Serializable;
@@ -22,6 +23,7 @@ import java.util.UUID;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.springframework.core.convert.ConversionFailedException;
 import org.springframework.core.convert.ConversionService;
 import org.springframework.core.convert.TypeDescriptor;
@@ -31,12 +33,16 @@ import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.util.Assert;
 
 /**
- * Utility class for helping convert database representations of {@link ObjectIdentity#getIdentifier()} into
- * the correct Java type as specified by <code>acl_class.class_id_type</code>.
+ * Utility class for helping convert database representations of
+ * {@link ObjectIdentity#getIdentifier()} into the correct Java type as specified by
+ * <code>acl_class.class_id_type</code>.
+ *
  * @author paulwheeler
  */
 class AclClassIdUtils {
+
 	private static final String DEFAULT_CLASS_ID_TYPE_COLUMN_NAME = "class_id_type";
+
 	private static final Log log = LogFactory.getLog(AclClassIdUtils.class);
 
 	private ConversionService conversionService;
@@ -54,88 +60,85 @@ class AclClassIdUtils {
 	}
 
 	/**
-	 * Converts the raw type from the database into the right Java type. For most applications the 'raw type' will be Long, for some applications
-	 * it could be String.
+	 * Converts the raw type from the database into the right Java type. For most
+	 * applications the 'raw type' will be Long, for some applications it could be String.
 	 * @param identifier The identifier from the database
-	 * @param resultSet  Result set of the query
+	 * @param resultSet Result set of the query
 	 * @return The identifier in the appropriate target Java type. Typically Long or UUID.
 	 * @throws SQLException
 	 */
 	Serializable identifierFrom(Serializable identifier, ResultSet resultSet) throws SQLException {
 		if (isString(identifier) && hasValidClassIdType(resultSet)
-			&& canConvertFromStringTo(classIdTypeFrom(resultSet))) {
-
-			identifier = convertFromStringTo((String) identifier, classIdTypeFrom(resultSet));
-		} else {
-			// Assume it should be a Long type
-			identifier = convertToLong(identifier);
+				&& canConvertFromStringTo(classIdTypeFrom(resultSet))) {
+			return convertFromStringTo((String) identifier, classIdTypeFrom(resultSet));
 		}
-
-		return identifier;
+		// Assume it should be a Long type
+		return convertToLong(identifier);
 	}
 
 	private boolean hasValidClassIdType(ResultSet resultSet) {
-		boolean hasClassIdType = false;
 		try {
-			hasClassIdType = classIdTypeFrom(resultSet) != null;
-		} catch (SQLException e) {
-			log.debug("Unable to obtain the class id type", e);
+			return classIdTypeFrom(resultSet) != null;
+		}
+		catch (SQLException ex) {
+			log.debug("Unable to obtain the class id type", ex);
+			return false;
 		}
-		return hasClassIdType;
 	}
 
-	private <T  extends Serializable> Class<T> classIdTypeFrom(ResultSet resultSet) throws SQLException {
+	private <T extends Serializable> Class<T> classIdTypeFrom(ResultSet resultSet) throws SQLException {
 		return classIdTypeFrom(resultSet.getString(DEFAULT_CLASS_ID_TYPE_COLUMN_NAME));
 	}
 
 	private <T extends Serializable> Class<T> classIdTypeFrom(String className) {
-		Class targetType = null;
-		if (className != null) {
-			try {
-				targetType = Class.forName(className);
-			} catch (ClassNotFoundException e) {
-				log.debug("Unable to find class id type on classpath", e);
-			}
+		if (className == null) {
+			return null;
+		}
+		try {
+			return (Class) Class.forName(className);
+		}
+		catch (ClassNotFoundException ex) {
+			log.debug("Unable to find class id type on classpath", ex);
+			return null;
 		}
-		return targetType;
 	}
 
 	private <T> boolean canConvertFromStringTo(Class<T> targetType) {
-		return conversionService.canConvert(String.class, targetType);
+		return this.conversionService.canConvert(String.class, targetType);
 	}
 
 	private <T extends Serializable> T convertFromStringTo(String identifier, Class<T> targetType) {
-		return conversionService.convert(identifier, targetType);
+		return this.conversionService.convert(identifier, targetType);
 	}
 
 	/**
-	 * Converts to a {@link Long}, attempting to use the {@link ConversionService} if available.
-	 * @param identifier    The identifier
+	 * Converts to a {@link Long}, attempting to use the {@link ConversionService} if
+	 * available.
+	 * @param identifier The identifier
 	 * @return Long version of the identifier
 	 * @throws NumberFormatException if the string cannot be parsed to a long.
-	 * @throws org.springframework.core.convert.ConversionException if a conversion exception occurred
+	 * @throws org.springframework.core.convert.ConversionException if a conversion
+	 * exception occurred
 	 * @throws IllegalArgumentException if targetType is null
 	 */
 	private Long convertToLong(Serializable identifier) {
-		Long idAsLong;
-		if (conversionService.canConvert(identifier.getClass(), Long.class)) {
-			idAsLong = conversionService.convert(identifier, Long.class);
-		} else {
-			idAsLong = Long.valueOf(identifier.toString());
+		if (this.conversionService.canConvert(identifier.getClass(), Long.class)) {
+			return this.conversionService.convert(identifier, Long.class);
 		}
-		return idAsLong;
+		return Long.valueOf(identifier.toString());
 	}
 
 	private boolean isString(Serializable object) {
 		return object.getClass().isAssignableFrom(String.class);
 	}
 
-	public void setConversionService(ConversionService conversionService) {
+	void setConversionService(ConversionService conversionService) {
 		Assert.notNull(conversionService, "conversionService must not be null");
 		this.conversionService = conversionService;
 	}
 
 	private static class StringToLongConverter implements Converter<String, Long> {
+
 		@Override
 		public Long convert(String identifierAsString) {
 			if (identifierAsString == null) {
@@ -145,9 +148,11 @@ class AclClassIdUtils {
 			}
 			return Long.parseLong(identifierAsString);
 		}
+
 	}
 
 	private static class StringToUUIDConverter implements Converter<String, UUID> {
+
 		@Override
 		public UUID convert(String identifierAsString) {
 			if (identifierAsString == null) {
@@ -157,5 +162,7 @@ class AclClassIdUtils {
 			}
 			return UUID.fromString(identifierAsString);
 		}
+
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/jdbc/BasicLookupStrategy.java

@@ -13,10 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import java.io.Serializable;
 import java.lang.reflect.Field;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
@@ -68,9 +70,9 @@ import org.springframework.util.Assert;
  * as it is likely to change in future releases and therefore subclassing is unsupported.
  * <p>
  * There are two SQL queries executed, one in the <tt>lookupPrimaryKeys</tt> method and
- * one in <tt>lookupObjectIdentities</tt>. These are built from the same select and
- * "order by" clause, using a different where clause in each case. In order to use custom
- * schema or column names, each of these SQL clauses can be customized, but they must be
+ * one in <tt>lookupObjectIdentities</tt>. These are built from the same select and "order
+ * by" clause, using a different where clause in each case. In order to use custom schema
+ * or column names, each of these SQL clauses can be customized, but they must be
  * consistent with each other and with the expected result set generated by the the
  * default values.
  *
@@ -78,183 +80,151 @@ import org.springframework.util.Assert;
  */
 public class BasicLookupStrategy implements LookupStrategy {
 
-	private final static String DEFAULT_SELECT_CLAUSE_COLUMNS = "select acl_object_identity.object_id_identity, "
-			+ "acl_entry.ace_order,  "
-			+ "acl_object_identity.id as acl_id, "
-			+ "acl_object_identity.parent_object, "
-			+ "acl_object_identity.entries_inheriting, "
-			+ "acl_entry.id as ace_id, "
-			+ "acl_entry.mask,  "
-			+ "acl_entry.granting,  "
-			+ "acl_entry.audit_success, "
-			+ "acl_entry.audit_failure,  "
-			+ "acl_sid.principal as ace_principal, "
-			+ "acl_sid.sid as ace_sid,  "
-			+ "acli_sid.principal as acl_principal, "
-			+ "acli_sid.sid as acl_sid, "
-			+ "acl_class.class ";
-	private final static String DEFAULT_SELECT_CLAUSE_ACL_CLASS_ID_TYPE_COLUMN = ", acl_class.class_id_type  ";
-	private final static String DEFAULT_SELECT_CLAUSE_FROM = "from acl_object_identity "
+	private static final String DEFAULT_SELECT_CLAUSE_COLUMNS = "select acl_object_identity.object_id_identity, "
+			+ "acl_entry.ace_order,  " + "acl_object_identity.id as acl_id, " + "acl_object_identity.parent_object, "
+			+ "acl_object_identity.entries_inheriting, " + "acl_entry.id as ace_id, " + "acl_entry.mask,  "
+			+ "acl_entry.granting,  " + "acl_entry.audit_success, " + "acl_entry.audit_failure,  "
+			+ "acl_sid.principal as ace_principal, " + "acl_sid.sid as ace_sid,  "
+			+ "acli_sid.principal as acl_principal, " + "acli_sid.sid as acl_sid, " + "acl_class.class ";
+
+	private static final String DEFAULT_SELECT_CLAUSE_ACL_CLASS_ID_TYPE_COLUMN = ", acl_class.class_id_type  ";
+
+	private static final String DEFAULT_SELECT_CLAUSE_FROM = "from acl_object_identity "
 			+ "left join acl_sid acli_sid on acli_sid.id = acl_object_identity.owner_sid "
 			+ "left join acl_class on acl_class.id = acl_object_identity.object_id_class   "
 			+ "left join acl_entry on acl_object_identity.id = acl_entry.acl_object_identity "
 			+ "left join acl_sid on acl_entry.sid = acl_sid.id  " + "where ( ";
 
-	public final static String DEFAULT_SELECT_CLAUSE = DEFAULT_SELECT_CLAUSE_COLUMNS + DEFAULT_SELECT_CLAUSE_FROM;
+	public static final String DEFAULT_SELECT_CLAUSE = DEFAULT_SELECT_CLAUSE_COLUMNS + DEFAULT_SELECT_CLAUSE_FROM;
 
-	public final static String DEFAULT_ACL_CLASS_ID_SELECT_CLAUSE = DEFAULT_SELECT_CLAUSE_COLUMNS +
-		DEFAULT_SELECT_CLAUSE_ACL_CLASS_ID_TYPE_COLUMN + DEFAULT_SELECT_CLAUSE_FROM;
+	public static final String DEFAULT_ACL_CLASS_ID_SELECT_CLAUSE = DEFAULT_SELECT_CLAUSE_COLUMNS
+			+ DEFAULT_SELECT_CLAUSE_ACL_CLASS_ID_TYPE_COLUMN + DEFAULT_SELECT_CLAUSE_FROM;
 
-	private final static String DEFAULT_LOOKUP_KEYS_WHERE_CLAUSE = "(acl_object_identity.id = ?)";
+	private static final String DEFAULT_LOOKUP_KEYS_WHERE_CLAUSE = "(acl_object_identity.id = ?)";
 
-	private final static String DEFAULT_LOOKUP_IDENTITIES_WHERE_CLAUSE = "(acl_object_identity.object_id_identity = ? and acl_class.class = ?)";
+	private static final String DEFAULT_LOOKUP_IDENTITIES_WHERE_CLAUSE = "(acl_object_identity.object_id_identity = ? and acl_class.class = ?)";
 
-	public final static String DEFAULT_ORDER_BY_CLAUSE = ") order by acl_object_identity.object_id_identity"
+	public static final String DEFAULT_ORDER_BY_CLAUSE = ") order by acl_object_identity.object_id_identity"
 			+ " asc, acl_entry.ace_order asc";
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	private final AclAuthorizationStrategy aclAuthorizationStrategy;
+
 	private PermissionFactory permissionFactory = new DefaultPermissionFactory();
+
 	private final AclCache aclCache;
+
 	private final PermissionGrantingStrategy grantingStrategy;
+
 	private final JdbcTemplate jdbcTemplate;
+
 	private int batchSize = 50;
 
 	private final Field fieldAces = FieldUtils.getField(AclImpl.class, "aces");
-	private final Field fieldAcl = FieldUtils.getField(AccessControlEntryImpl.class,
-			"acl");
+
+	private final Field fieldAcl = FieldUtils.getField(AccessControlEntryImpl.class, "acl");
 
 	// SQL Customization fields
 	private String selectClause = DEFAULT_SELECT_CLAUSE;
+
 	private String lookupPrimaryKeysWhereClause = DEFAULT_LOOKUP_KEYS_WHERE_CLAUSE;
+
 	private String lookupObjectIdentitiesWhereClause = DEFAULT_LOOKUP_IDENTITIES_WHERE_CLAUSE;
+
 	private String orderByClause = DEFAULT_ORDER_BY_CLAUSE;
 
 	private AclClassIdUtils aclClassIdUtils;
 
-	// ~ Constructors
-	// ===================================================================================================
-
 	/**
 	 * Constructor accepting mandatory arguments
-	 *
 	 * @param dataSource to access the database
 	 * @param aclCache the cache where fully-loaded elements can be stored
 	 * @param aclAuthorizationStrategy authorization strategy (required)
 	 */
 	public BasicLookupStrategy(DataSource dataSource, AclCache aclCache,
 			AclAuthorizationStrategy aclAuthorizationStrategy, AuditLogger auditLogger) {
-		this(dataSource, aclCache, aclAuthorizationStrategy,
-				new DefaultPermissionGrantingStrategy(auditLogger));
+		this(dataSource, aclCache, aclAuthorizationStrategy, new DefaultPermissionGrantingStrategy(auditLogger));
 	}
 
 	/**
 	 * Creates a new instance
-	 *
 	 * @param dataSource to access the database
 	 * @param aclCache the cache where fully-loaded elements can be stored
 	 * @param aclAuthorizationStrategy authorization strategy (required)
 	 * @param grantingStrategy the PermissionGrantingStrategy
 	 */
 	public BasicLookupStrategy(DataSource dataSource, AclCache aclCache,
-			AclAuthorizationStrategy aclAuthorizationStrategy,
-			PermissionGrantingStrategy grantingStrategy) {
+			AclAuthorizationStrategy aclAuthorizationStrategy, PermissionGrantingStrategy grantingStrategy) {
 		Assert.notNull(dataSource, "DataSource required");
 		Assert.notNull(aclCache, "AclCache required");
 		Assert.notNull(aclAuthorizationStrategy, "AclAuthorizationStrategy required");
 		Assert.notNull(grantingStrategy, "grantingStrategy required");
-		jdbcTemplate = new JdbcTemplate(dataSource);
+		this.jdbcTemplate = new JdbcTemplate(dataSource);
 		this.aclCache = aclCache;
 		this.aclAuthorizationStrategy = aclAuthorizationStrategy;
 		this.grantingStrategy = grantingStrategy;
 		this.aclClassIdUtils = new AclClassIdUtils();
-		fieldAces.setAccessible(true);
-		fieldAcl.setAccessible(true);
+		this.fieldAces.setAccessible(true);
+		this.fieldAcl.setAccessible(true);
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	private String computeRepeatingSql(String repeatingSql, int requiredRepetitions) {
-		assert requiredRepetitions > 0 : "requiredRepetitions must be > 0";
-
-		final String startSql = selectClause;
-
-		final String endSql = orderByClause;
-
-		StringBuilder sqlStringBldr = new StringBuilder(startSql.length()
-				+ endSql.length() + requiredRepetitions * (repeatingSql.length() + 4));
+		Assert.isTrue(requiredRepetitions > 0, "requiredRepetitions must be > 0");
+		String startSql = this.selectClause;
+		String endSql = this.orderByClause;
+		StringBuilder sqlStringBldr = new StringBuilder(
+				startSql.length() + endSql.length() + requiredRepetitions * (repeatingSql.length() + 4));
 		sqlStringBldr.append(startSql);
-
 		for (int i = 1; i <= requiredRepetitions; i++) {
 			sqlStringBldr.append(repeatingSql);
-
 			if (i != requiredRepetitions) {
 				sqlStringBldr.append(" or ");
 			}
 		}
-
 		sqlStringBldr.append(endSql);
-
 		return sqlStringBldr.toString();
 	}
 
 	@SuppressWarnings("unchecked")
 	private List<AccessControlEntryImpl> readAces(AclImpl acl) {
 		try {
-			return (List<AccessControlEntryImpl>) fieldAces.get(acl);
+			return (List<AccessControlEntryImpl>) this.fieldAces.get(acl);
 		}
-		catch (IllegalAccessException e) {
-			throw new IllegalStateException("Could not obtain AclImpl.aces field", e);
+		catch (IllegalAccessException ex) {
+			throw new IllegalStateException("Could not obtain AclImpl.aces field", ex);
 		}
 	}
 
 	private void setAclOnAce(AccessControlEntryImpl ace, AclImpl acl) {
 		try {
-			fieldAcl.set(ace, acl);
+			this.fieldAcl.set(ace, acl);
 		}
-		catch (IllegalAccessException e) {
-			throw new IllegalStateException(
-					"Could not or set AclImpl on AccessControlEntryImpl fields", e);
+		catch (IllegalAccessException ex) {
+			throw new IllegalStateException("Could not or set AclImpl on AccessControlEntryImpl fields", ex);
 		}
 	}
 
 	private void setAces(AclImpl acl, List<AccessControlEntryImpl> aces) {
 		try {
-			fieldAces.set(acl, aces);
+			this.fieldAces.set(acl, aces);
 		}
-		catch (IllegalAccessException e) {
-			throw new IllegalStateException("Could not set AclImpl entries", e);
+		catch (IllegalAccessException ex) {
+			throw new IllegalStateException("Could not set AclImpl entries", ex);
 		}
 	}
 
 	/**
 	 * Locates the primary key IDs specified in "findNow", adding AclImpl instances with
 	 * StubAclParents to the "acls" Map.
-	 *
 	 * @param acls the AclImpls (with StubAclParents)
 	 * @param findNow Long-based primary keys to retrieve
 	 * @param sids
 	 */
-	private void lookupPrimaryKeys(final Map<Serializable, Acl> acls,
-			final Set<Long> findNow, final List<Sid> sids) {
+	private void lookupPrimaryKeys(final Map<Serializable, Acl> acls, final Set<Long> findNow, final List<Sid> sids) {
 		Assert.notNull(acls, "ACLs are required");
 		Assert.notEmpty(findNow, "Items to find now required");
-
-		String sql = computeRepeatingSql(lookupPrimaryKeysWhereClause, findNow.size());
-
-		Set<Long> parentsToLookup = jdbcTemplate.query(sql,
-				ps -> {
-					int i = 0;
-
-					for (Long toFind : findNow) {
-						i++;
-						ps.setLong(i, toFind);
-					}
-				}, new ProcessResultSet(acls, sids));
-
+		String sql = computeRepeatingSql(this.lookupPrimaryKeysWhereClause, findNow.size());
+		Set<Long> parentsToLookup = this.jdbcTemplate.query(sql, (ps) -> setKeys(ps, findNow),
+				new ProcessResultSet(acls, sids));
 		// Lookup the parents, now that our JdbcTemplate has released the database
 		// connection (SEC-547)
 		if (parentsToLookup.size() > 0) {
@@ -262,6 +232,14 @@ public class BasicLookupStrategy implements LookupStrategy {
 		}
 	}
 
+	private void setKeys(PreparedStatement ps, Set<Long> findNow) throws SQLException {
+		int i = 0;
+		for (Long toFind : findNow) {
+			i++;
+			ps.setLong(i, toFind);
+		}
+	}
+
 	/**
 	 * The main method.
 	 * <p>
@@ -271,85 +249,61 @@ public class BasicLookupStrategy implements LookupStrategy {
 	 * develop a custom {@link LookupStrategy} implementation instead.
 	 * <p>
 	 * The implementation works in batch sizes specified by {@link #batchSize}.
-	 *
 	 * @param objects the identities to lookup (required)
 	 * @param sids the SIDs for which identities are required (ignored by this
 	 * implementation)
-	 *
 	 * @return a <tt>Map</tt> where keys represent the {@link ObjectIdentity} of the
 	 * located {@link Acl} and values are the located {@link Acl} (never <tt>null</tt>
 	 * although some entries may be missing; this method should not throw
 	 * {@link NotFoundException}, as a chain of {@link LookupStrategy}s may be used to
 	 * automatically create entries if required)
 	 */
-	public final Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects,
-			List<Sid> sids) {
-		Assert.isTrue(batchSize >= 1, "BatchSize must be >= 1");
+	@Override
+	public final Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids) {
+		Assert.isTrue(this.batchSize >= 1, "BatchSize must be >= 1");
 		Assert.notEmpty(objects, "Objects to lookup required");
-
 		// Map<ObjectIdentity,Acl>
-		Map<ObjectIdentity, Acl> result = new HashMap<>(); // contains
-																				// FULLY
-																				// loaded
-																				// Acl
-																				// objects
-
+		// contains FULLY loaded Acl objects
+		Map<ObjectIdentity, Acl> result = new HashMap<>();
 		Set<ObjectIdentity> currentBatchToLoad = new HashSet<>();
-
 		for (int i = 0; i < objects.size(); i++) {
 			final ObjectIdentity oid = objects.get(i);
 			boolean aclFound = false;
-
 			// Check we don't already have this ACL in the results
 			if (result.containsKey(oid)) {
 				aclFound = true;
 			}
-
 			// Check cache for the present ACL entry
 			if (!aclFound) {
-				Acl acl = aclCache.getFromCache(oid);
-
+				Acl acl = this.aclCache.getFromCache(oid);
 				// Ensure any cached element supports all the requested SIDs
 				// (they should always, as our base impl doesn't filter on SID)
 				if (acl != null) {
-					if (acl.isSidLoaded(sids)) {
-						result.put(acl.getObjectIdentity(), acl);
-						aclFound = true;
-					}
-					else {
-						throw new IllegalStateException(
-								"Error: SID-filtered element detected when implementation does not perform SID filtering "
-										+ "- have you added something to the cache manually?");
-					}
+					Assert.state(acl.isSidLoaded(sids),
+							"Error: SID-filtered element detected when implementation does not perform SID filtering "
+									+ "- have you added something to the cache manually?");
+					result.put(acl.getObjectIdentity(), acl);
+					aclFound = true;
 				}
 			}
-
 			// Load the ACL from the database
 			if (!aclFound) {
 				currentBatchToLoad.add(oid);
 			}
-
 			// Is it time to load from JDBC the currentBatchToLoad?
-			if ((currentBatchToLoad.size() == this.batchSize)
-					|| ((i + 1) == objects.size())) {
+			if ((currentBatchToLoad.size() == this.batchSize) || ((i + 1) == objects.size())) {
 				if (currentBatchToLoad.size() > 0) {
-					Map<ObjectIdentity, Acl> loadedBatch = lookupObjectIdentities(
-							currentBatchToLoad, sids);
-
+					Map<ObjectIdentity, Acl> loadedBatch = lookupObjectIdentities(currentBatchToLoad, sids);
 					// Add loaded batch (all elements 100% initialized) to results
 					result.putAll(loadedBatch);
-
 					// Add the loaded batch to the cache
-
 					for (Acl loadedAcl : loadedBatch.values()) {
-						aclCache.putInCache((AclImpl) loadedAcl);
+						this.aclCache.putInCache((AclImpl) loadedAcl);
 					}
-
 					currentBatchToLoad.clear();
 				}
 			}
 		}
-
 		return result;
 	}
 
@@ -362,39 +316,20 @@ public class BasicLookupStrategy implements LookupStrategy {
 	 * <p>
 	 * This subclass is required to return fully valid <code>Acl</code>s, including
 	 * properly-configured parent ACLs.
-	 *
 	 */
-	private Map<ObjectIdentity, Acl> lookupObjectIdentities(
-			final Collection<ObjectIdentity> objectIdentities, List<Sid> sids) {
+	private Map<ObjectIdentity, Acl> lookupObjectIdentities(final Collection<ObjectIdentity> objectIdentities,
+			List<Sid> sids) {
 		Assert.notEmpty(objectIdentities, "Must provide identities to lookup");
 
-		final Map<Serializable, Acl> acls = new HashMap<>(); // contains
-																				// Acls
-																				// with
-																				// StubAclParents
+		// contains Acls with StubAclParents
+		Map<Serializable, Acl> acls = new HashMap<>();
 
 		// Make the "acls" map contain all requested objectIdentities
 		// (including markers to each parent in the hierarchy)
-		String sql = computeRepeatingSql(lookupObjectIdentitiesWhereClause,
-				objectIdentities.size());
-
-		Set<Long> parentsToLookup = jdbcTemplate.query(sql,
-				ps -> {
-					int i = 0;
-					for (ObjectIdentity oid : objectIdentities) {
-						// Determine prepared statement values for this iteration
-						String type = oid.getType();
-
-						// No need to check for nulls, as guaranteed non-null by
-						// ObjectIdentity.getIdentifier() interface contract
-						String identifier = oid.getIdentifier().toString();
-
-						// Inject values
-						ps.setString((2 * i) + 1, identifier);
-						ps.setString((2 * i) + 2, type);
-						i++;
-					}
-				}, new ProcessResultSet(acls, sids));
+		String sql = computeRepeatingSql(this.lookupObjectIdentitiesWhereClause, objectIdentities.size());
+
+		Set<Long> parentsToLookup = this.jdbcTemplate.query(sql,
+				(ps) -> setupLookupObjectIdentitiesStatement(ps, objectIdentities), new ProcessResultSet(acls, sids));
 
 		// Lookup the parents, now that our JdbcTemplate has released the database
 		// connection (SEC-547)
@@ -404,13 +339,9 @@ public class BasicLookupStrategy implements LookupStrategy {
 
 		// Finally, convert our "acls" containing StubAclParents into true Acls
 		Map<ObjectIdentity, Acl> resultMap = new HashMap<>();
-
 		for (Acl inputAcl : acls.values()) {
-			Assert.isInstanceOf(AclImpl.class, inputAcl,
-					"Map should have contained an AclImpl");
-			Assert.isInstanceOf(Long.class, ((AclImpl) inputAcl).getId(),
-					"Acl.getId() must be Long");
-
+			Assert.isInstanceOf(AclImpl.class, inputAcl, "Map should have contained an AclImpl");
+			Assert.isInstanceOf(Long.class, ((AclImpl) inputAcl).getId(), "Acl.getId() must be Long");
 			Acl result = convert(acls, (Long) ((AclImpl) inputAcl).getId());
 			resultMap.put(result.getObjectIdentity(), result);
 		}
@@ -418,15 +349,31 @@ public class BasicLookupStrategy implements LookupStrategy {
 		return resultMap;
 	}
 
+	private void setupLookupObjectIdentitiesStatement(PreparedStatement ps, Collection<ObjectIdentity> objectIdentities)
+			throws SQLException {
+		int i = 0;
+		for (ObjectIdentity oid : objectIdentities) {
+			// Determine prepared statement values for this iteration
+			String type = oid.getType();
+
+			// No need to check for nulls, as guaranteed non-null by
+			// ObjectIdentity.getIdentifier() interface contract
+			String identifier = oid.getIdentifier().toString();
+
+			// Inject values
+			ps.setString((2 * i) + 1, identifier);
+			ps.setString((2 * i) + 2, type);
+			i++;
+		}
+	}
+
 	/**
 	 * The final phase of converting the <code>Map</code> of <code>AclImpl</code>
 	 * instances which contain <code>StubAclParent</code>s into proper, valid
 	 * <code>AclImpl</code>s with correct ACL parents.
-	 *
 	 * @param inputMap the unconverted <code>AclImpl</code>s
 	 * @param currentIdentity the current<code>Acl</code> that we wish to convert (this
 	 * may be
-	 *
 	 */
 	private AclImpl convert(Map<Serializable, Acl> inputMap, Long currentIdentity) {
 		Assert.notEmpty(inputMap, "InputMap required");
@@ -434,8 +381,7 @@ public class BasicLookupStrategy implements LookupStrategy {
 
 		// Retrieve this Acl from the InputMap
 		Acl uncastAcl = inputMap.get(currentIdentity);
-		Assert.isInstanceOf(AclImpl.class, uncastAcl,
-				"The inputMap contained a non-AclImpl");
+		Assert.isInstanceOf(AclImpl.class, uncastAcl, "The inputMap contained a non-AclImpl");
 
 		AclImpl inputAcl = (AclImpl) uncastAcl;
 
@@ -448,9 +394,8 @@ public class BasicLookupStrategy implements LookupStrategy {
 		}
 
 		// Now we have the parent (if there is one), create the true AclImpl
-		AclImpl result = new AclImpl(inputAcl.getObjectIdentity(),
-				inputAcl.getId(), aclAuthorizationStrategy, grantingStrategy,
-				parent, null, inputAcl.isEntriesInheriting(), inputAcl.getOwner());
+		AclImpl result = new AclImpl(inputAcl.getObjectIdentity(), inputAcl.getId(), this.aclAuthorizationStrategy,
+				this.grantingStrategy, parent, null, inputAcl.isEntriesInheriting(), inputAcl.getOwner());
 
 		// Copy the "aces" from the input to the destination
 
@@ -477,7 +422,6 @@ public class BasicLookupStrategy implements LookupStrategy {
 
 	/**
 	 * Creates a particular implementation of {@link Sid} depending on the arguments.
-	 *
 	 * @param sid the name of the sid representing its unique identifier. In typical ACL
 	 * database schema it's located in table {@code acl_sid} table, {@code sid} column.
 	 * @param isPrincipal whether it's a user or granted authority like role
@@ -487,16 +431,13 @@ public class BasicLookupStrategy implements LookupStrategy {
 		if (isPrincipal) {
 			return new PrincipalSid(sid);
 		}
-		else {
-			return new GrantedAuthoritySid(sid);
-		}
+		return new GrantedAuthoritySid(sid);
 	}
 
 	/**
 	 * Sets the {@code PermissionFactory} instance which will be used to convert loaded
 	 * permission data values to {@code Permission}s. A {@code DefaultPermissionFactory}
 	 * will be used by default.
-	 *
 	 * @param permissionFactory
 	 */
 	public final void setPermissionFactory(PermissionFactory permissionFactory) {
@@ -510,7 +451,6 @@ public class BasicLookupStrategy implements LookupStrategy {
 	/**
 	 * The SQL for the select clause. If customizing in order to modify column names,
 	 * schema etc, the other SQL customization fields must also be set to match.
-	 *
 	 * @param selectClause the select clause, which defaults to
 	 * {@link #DEFAULT_SELECT_CLAUSE}.
 	 */
@@ -528,8 +468,7 @@ public class BasicLookupStrategy implements LookupStrategy {
 	/**
 	 * The SQL for the where clause used in the <tt>lookupObjectIdentities</tt> method.
 	 */
-	public final void setLookupObjectIdentitiesWhereClause(
-			String lookupObjectIdentitiesWhereClause) {
+	public final void setLookupObjectIdentitiesWhereClause(String lookupObjectIdentitiesWhereClause) {
 		this.lookupObjectIdentitiesWhereClause = lookupObjectIdentitiesWhereClause;
 	}
 
@@ -542,8 +481,9 @@ public class BasicLookupStrategy implements LookupStrategy {
 
 	public final void setAclClassIdSupported(boolean aclClassIdSupported) {
 		if (aclClassIdSupported) {
-			Assert.isTrue(this.selectClause.equals(DEFAULT_SELECT_CLAUSE), "Cannot set aclClassIdSupported and override the select clause; "
-				+ "just override the select clause");
+			Assert.isTrue(this.selectClause.equals(DEFAULT_SELECT_CLAUSE),
+					"Cannot set aclClassIdSupported and override the select clause; "
+							+ "just override the select clause");
 			this.selectClause = DEFAULT_ACL_CLASS_ID_SELECT_CLAUSE;
 		}
 	}
@@ -552,11 +492,10 @@ public class BasicLookupStrategy implements LookupStrategy {
 		this.aclClassIdUtils = new AclClassIdUtils(conversionService);
 	}
 
-	// ~ Inner Classes
-	// ==================================================================================================
-
 	private class ProcessResultSet implements ResultSetExtractor<Set<Long>> {
+
 		private final Map<Serializable, Acl> acls;
+
 		private final List<Sid> sids;
 
 		ProcessResultSet(Map<Serializable, Acl> acls, List<Sid> sids) {
@@ -575,32 +514,32 @@ public class BasicLookupStrategy implements LookupStrategy {
 		 * <tt>null</tt>)
 		 * @throws SQLException
 		 */
+		@Override
 		public Set<Long> extractData(ResultSet rs) throws SQLException {
 			Set<Long> parentIdsToLookup = new HashSet<>(); // Set of parent_id Longs
 
 			while (rs.next()) {
 				// Convert current row into an Acl (albeit with a StubAclParent)
-				convertCurrentResultIntoObject(acls, rs);
+				convertCurrentResultIntoObject(this.acls, rs);
 
 				// Figure out if this row means we need to lookup another parent
 				long parentId = rs.getLong("parent_object");
 
 				if (parentId != 0) {
 					// See if it's already in the "acls"
-					if (acls.containsKey(parentId)) {
+					if (this.acls.containsKey(parentId)) {
 						continue; // skip this while iteration
 					}
 
 					// Now try to find it in the cache
-					MutableAcl cached = aclCache.getFromCache(parentId);
-
-					if ((cached == null) || !cached.isSidLoaded(sids)) {
+					MutableAcl cached = BasicLookupStrategy.this.aclCache.getFromCache(parentId);
+					if ((cached == null) || !cached.isSidLoaded(this.sids)) {
 						parentIdsToLookup.add(parentId);
 					}
 					else {
 						// Pop into the acls map, so our convert method doesn't
 						// need to deal with an unsynchronized AclCache
-						acls.put(cached.getId(), cached);
+						this.acls.put(cached.getId(), cached);
 					}
 				}
 			}
@@ -612,15 +551,12 @@ public class BasicLookupStrategy implements LookupStrategy {
 		/**
 		 * Accepts the current <code>ResultSet</code> row, and converts it into an
 		 * <code>AclImpl</code> that contains a <code>StubAclParent</code>
-		 *
 		 * @param acls the Map we should add the converted Acl to
 		 * @param rs the ResultSet focused on a current row
-		 *
 		 * @throws SQLException if something goes wrong converting values
 		 * @throws ConversionException if can't convert to the desired Java type
 		 */
-		private void convertCurrentResultIntoObject(Map<Serializable, Acl> acls,
-				ResultSet rs) throws SQLException {
+		private void convertCurrentResultIntoObject(Map<Serializable, Acl> acls, ResultSet rs) throws SQLException {
 			Long id = rs.getLong("acl_id");
 
 			// If we already have an ACL for this ID, just create the ACE
@@ -629,11 +565,11 @@ public class BasicLookupStrategy implements LookupStrategy {
 			if (acl == null) {
 				// Make an AclImpl and pop it into the Map
 
-				// If the Java type is a String, check to see if we can convert it to the target id type, e.g. UUID.
+				// If the Java type is a String, check to see if we can convert it to the
+				// target id type, e.g. UUID.
 				Serializable identifier = (Serializable) rs.getObject("object_id_identity");
-				identifier = aclClassIdUtils.identifierFrom(identifier, rs);
-				ObjectIdentity objectIdentity = new ObjectIdentityImpl(
-					rs.getString("class"), identifier);
+				identifier = BasicLookupStrategy.this.aclClassIdUtils.identifierFrom(identifier, rs);
+				ObjectIdentity objectIdentity = new ObjectIdentityImpl(rs.getString("class"), identifier);
 
 				Acl parentAcl = null;
 				long parentAclId = rs.getLong("parent_object");
@@ -643,11 +579,10 @@ public class BasicLookupStrategy implements LookupStrategy {
 				}
 
 				boolean entriesInheriting = rs.getBoolean("entries_inheriting");
-				Sid owner = createSid(rs.getBoolean("acl_principal"),
-						rs.getString("acl_sid"));
+				Sid owner = createSid(rs.getBoolean("acl_principal"), rs.getString("acl_sid"));
 
-				acl = new AclImpl(objectIdentity, id, aclAuthorizationStrategy,
-						grantingStrategy, parentAcl, null, entriesInheriting, owner);
+				acl = new AclImpl(objectIdentity, id, BasicLookupStrategy.this.aclAuthorizationStrategy,
+						BasicLookupStrategy.this.grantingStrategy, parentAcl, null, entriesInheriting, owner);
 
 				acls.put(id, acl);
 			}
@@ -657,17 +592,16 @@ public class BasicLookupStrategy implements LookupStrategy {
 			// ACE_SID)
 			if (rs.getString("ace_sid") != null) {
 				Long aceId = rs.getLong("ace_id");
-				Sid recipient = createSid(rs.getBoolean("ace_principal"),
-						rs.getString("ace_sid"));
+				Sid recipient = createSid(rs.getBoolean("ace_principal"), rs.getString("ace_sid"));
 
 				int mask = rs.getInt("mask");
-				Permission permission = permissionFactory.buildFromMask(mask);
+				Permission permission = BasicLookupStrategy.this.permissionFactory.buildFromMask(mask);
 				boolean granting = rs.getBoolean("granting");
 				boolean auditSuccess = rs.getBoolean("audit_success");
 				boolean auditFailure = rs.getBoolean("audit_failure");
 
-				AccessControlEntryImpl ace = new AccessControlEntryImpl(aceId, acl,
-						recipient, permission, granting, auditSuccess, auditFailure);
+				AccessControlEntryImpl ace = new AccessControlEntryImpl(aceId, acl, recipient, permission, granting,
+						auditSuccess, auditFailure);
 
 				// Field acesField = FieldUtils.getField(AclImpl.class, "aces");
 				List<AccessControlEntryImpl> aces = readAces((AclImpl) acl);
@@ -678,47 +612,57 @@ public class BasicLookupStrategy implements LookupStrategy {
 				}
 			}
 		}
+
 	}
 
 	private static class StubAclParent implements Acl {
+
 		private final Long id;
 
 		StubAclParent(Long id) {
 			this.id = id;
 		}
 
-		public List<AccessControlEntry> getEntries() {
-			throw new UnsupportedOperationException("Stub only");
+		Long getId() {
+			return this.id;
 		}
 
-		public Long getId() {
-			return id;
+		@Override
+		public List<AccessControlEntry> getEntries() {
+			throw new UnsupportedOperationException("Stub only");
 		}
 
+		@Override
 		public ObjectIdentity getObjectIdentity() {
 			throw new UnsupportedOperationException("Stub only");
 		}
 
+		@Override
 		public Sid getOwner() {
 			throw new UnsupportedOperationException("Stub only");
 		}
 
+		@Override
 		public Acl getParentAcl() {
 			throw new UnsupportedOperationException("Stub only");
 		}
 
+		@Override
 		public boolean isEntriesInheriting() {
 			throw new UnsupportedOperationException("Stub only");
 		}
 
-		public boolean isGranted(List<Permission> permission, List<Sid> sids,
-				boolean administrativeMode) throws NotFoundException,
-				UnloadedSidException {
+		@Override
+		public boolean isGranted(List<Permission> permission, List<Sid> sids, boolean administrativeMode)
+				throws NotFoundException, UnloadedSidException {
 			throw new UnsupportedOperationException("Stub only");
 		}
 
+		@Override
 		public boolean isSidLoaded(List<Sid> sids) {
 			throw new UnsupportedOperationException("Stub only");
 		}
+
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/jdbc/JdbcAclService.java

@@ -13,9 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import java.io.Serializable;
+import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -24,6 +27,7 @@ import javax.sql.DataSource;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.springframework.core.convert.ConversionService;
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jdbc.core.JdbcTemplate;
@@ -45,34 +49,37 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  */
 public class JdbcAclService implements AclService {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	protected static final Log log = LogFactory.getLog(JdbcAclService.class);
+
 	private static final String DEFAULT_SELECT_ACL_CLASS_COLUMNS = "class.class as class";
-	private static final String DEFAULT_SELECT_ACL_CLASS_COLUMNS_WITH_ID_TYPE = DEFAULT_SELECT_ACL_CLASS_COLUMNS + ", class.class_id_type as class_id_type";
-	private static final String DEFAULT_SELECT_ACL_WITH_PARENT_SQL = "select obj.object_id_identity as obj_id, " + DEFAULT_SELECT_ACL_CLASS_COLUMNS
+
+	private static final String DEFAULT_SELECT_ACL_CLASS_COLUMNS_WITH_ID_TYPE = DEFAULT_SELECT_ACL_CLASS_COLUMNS
+			+ ", class.class_id_type as class_id_type";
+
+	private static final String DEFAULT_SELECT_ACL_WITH_PARENT_SQL = "select obj.object_id_identity as obj_id, "
+			+ DEFAULT_SELECT_ACL_CLASS_COLUMNS
 			+ " from acl_object_identity obj, acl_object_identity parent, acl_class class "
 			+ "where obj.parent_object = parent.id and obj.object_id_class = class.id "
 			+ "and parent.object_id_identity = ? and parent.object_id_class = ("
 			+ "select id FROM acl_class where acl_class.class = ?)";
-	private static final String DEFAULT_SELECT_ACL_WITH_PARENT_SQL_WITH_CLASS_ID_TYPE = "select obj.object_id_identity as obj_id, " + DEFAULT_SELECT_ACL_CLASS_COLUMNS_WITH_ID_TYPE
+
+	private static final String DEFAULT_SELECT_ACL_WITH_PARENT_SQL_WITH_CLASS_ID_TYPE = "select obj.object_id_identity as obj_id, "
+			+ DEFAULT_SELECT_ACL_CLASS_COLUMNS_WITH_ID_TYPE
 			+ " from acl_object_identity obj, acl_object_identity parent, acl_class class "
 			+ "where obj.parent_object = parent.id and obj.object_id_class = class.id "
 			+ "and parent.object_id_identity = ? and parent.object_id_class = ("
 			+ "select id FROM acl_class where acl_class.class = ?)";
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	protected final JdbcOperations jdbcOperations;
+
 	private final LookupStrategy lookupStrategy;
+
 	private boolean aclClassIdSupported;
+
 	private String findChildrenSql = DEFAULT_SELECT_ACL_WITH_PARENT_SQL;
-	private AclClassIdUtils aclClassIdUtils;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private AclClassIdUtils aclClassIdUtils;
 
 	public JdbcAclService(DataSource dataSource, LookupStrategy lookupStrategy) {
 		this(new JdbcTemplate(dataSource), lookupStrategy);
@@ -86,64 +93,55 @@ public class JdbcAclService implements AclService {
 		this.aclClassIdUtils = new AclClassIdUtils();
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public List<ObjectIdentity> findChildren(ObjectIdentity parentIdentity) {
 		Object[] args = { parentIdentity.getIdentifier().toString(), parentIdentity.getType() };
-		List<ObjectIdentity> objects = jdbcOperations.query(findChildrenSql, args,
-				(rs, rowNum) -> {
-					String javaType = rs.getString("class");
-					Serializable identifier = (Serializable) rs.getObject("obj_id");
-					identifier = aclClassIdUtils.identifierFrom(identifier, rs);
-					return new ObjectIdentityImpl(javaType, identifier);
-				});
-
-		if (objects.isEmpty()) {
-			return null;
-		}
+		List<ObjectIdentity> objects = this.jdbcOperations.query(this.findChildrenSql, args,
+				(rs, rowNum) -> mapObjectIdentityRow(rs));
+		return (!objects.isEmpty()) ? objects : null;
+	}
 
-		return objects;
+	private ObjectIdentity mapObjectIdentityRow(ResultSet rs) throws SQLException {
+		String javaType = rs.getString("class");
+		Serializable identifier = (Serializable) rs.getObject("obj_id");
+		identifier = this.aclClassIdUtils.identifierFrom(identifier, rs);
+		return new ObjectIdentityImpl(javaType, identifier);
 	}
 
-	public Acl readAclById(ObjectIdentity object, List<Sid> sids)
-			throws NotFoundException {
+	@Override
+	public Acl readAclById(ObjectIdentity object, List<Sid> sids) throws NotFoundException {
 		Map<ObjectIdentity, Acl> map = readAclsById(Collections.singletonList(object), sids);
 		Assert.isTrue(map.containsKey(object),
 				() -> "There should have been an Acl entry for ObjectIdentity " + object);
-
 		return map.get(object);
 	}
 
+	@Override
 	public Acl readAclById(ObjectIdentity object) throws NotFoundException {
 		return readAclById(object, null);
 	}
 
-	public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects)
-			throws NotFoundException {
+	@Override
+	public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects) throws NotFoundException {
 		return readAclsById(objects, null);
 	}
 
-	public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects,
-			List<Sid> sids) throws NotFoundException {
-		Map<ObjectIdentity, Acl> result = lookupStrategy.readAclsById(objects, sids);
-
+	@Override
+	public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids)
+			throws NotFoundException {
+		Map<ObjectIdentity, Acl> result = this.lookupStrategy.readAclsById(objects, sids);
 		// Check every requested object identity was found (throw NotFoundException if
 		// needed)
 		for (ObjectIdentity oid : objects) {
 			if (!result.containsKey(oid)) {
-				throw new NotFoundException(
-						"Unable to find ACL information for object identity '" + oid
-								+ "'");
+				throw new NotFoundException("Unable to find ACL information for object identity '" + oid + "'");
 			}
 		}
-
 		return result;
 	}
 
 	/**
 	 * Allows customization of the SQL query used to find child object identities.
-	 *
 	 * @param findChildrenSql
 	 */
 	public void setFindChildrenQuery(String findChildrenSql) {
@@ -156,7 +154,8 @@ public class JdbcAclService implements AclService {
 			// Change the default children select if it hasn't been overridden
 			if (this.findChildrenSql.equals(DEFAULT_SELECT_ACL_WITH_PARENT_SQL)) {
 				this.findChildrenSql = DEFAULT_SELECT_ACL_WITH_PARENT_SQL_WITH_CLASS_ID_TYPE;
-			} else {
+			}
+			else {
 				log.debug("Find children statement has already been overridden, so not overridding the default");
 			}
 		}
@@ -167,6 +166,7 @@ public class JdbcAclService implements AclService {
 	}
 
 	protected boolean isAclClassIdSupported() {
-		return aclClassIdSupported;
+		return this.aclClassIdSupported;
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/jdbc/JdbcMutableAclService.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import java.sql.PreparedStatement;
@@ -58,55 +59,58 @@ import org.springframework.util.Assert;
  * @author Johannes Zlattinger
  */
 public class JdbcMutableAclService extends JdbcAclService implements MutableAclService {
+
 	private static final String DEFAULT_INSERT_INTO_ACL_CLASS = "insert into acl_class (class) values (?)";
+
 	private static final String DEFAULT_INSERT_INTO_ACL_CLASS_WITH_ID = "insert into acl_class (class, class_id_type) values (?, ?)";
-	// ~ Instance fields
-	// ================================================================================================
 
 	private boolean foreignKeysInDatabase = true;
+
 	private final AclCache aclCache;
+
 	private String deleteEntryByObjectIdentityForeignKey = "delete from acl_entry where acl_object_identity=?";
+
 	private String deleteObjectIdentityByPrimaryKey = "delete from acl_object_identity where id=?";
+
 	private String classIdentityQuery = "call identity()";
+
 	private String sidIdentityQuery = "call identity()";
+
 	private String insertClass = DEFAULT_INSERT_INTO_ACL_CLASS;
+
 	private String insertEntry = "insert into acl_entry "
 			+ "(acl_object_identity, ace_order, sid, mask, granting, audit_success, audit_failure)"
 			+ "values (?, ?, ?, ?, ?, ?, ?)";
+
 	private String insertObjectIdentity = "insert into acl_object_identity "
-			+ "(object_id_class, object_id_identity, owner_sid, entries_inheriting) "
-			+ "values (?, ?, ?, ?)";
+			+ "(object_id_class, object_id_identity, owner_sid, entries_inheriting) " + "values (?, ?, ?, ?)";
+
 	private String insertSid = "insert into acl_sid (principal, sid) values (?, ?)";
+
 	private String selectClassPrimaryKey = "select id from acl_class where class=?";
+
 	private String selectObjectIdentityPrimaryKey = "select acl_object_identity.id from acl_object_identity, acl_class "
 			+ "where acl_object_identity.object_id_class = acl_class.id and acl_class.class=? "
 			+ "and acl_object_identity.object_id_identity = ?";
+
 	private String selectSidPrimaryKey = "select id from acl_sid where principal=? and sid=?";
-	private String updateObjectIdentity = "update acl_object_identity set "
-			+ "parent_object = ?, owner_sid = ?, entries_inheriting = ?"
-			+ " where id = ?";
 
-	// ~ Constructors
-	// ===================================================================================================
+	private String updateObjectIdentity = "update acl_object_identity set "
+			+ "parent_object = ?, owner_sid = ?, entries_inheriting = ?" + " where id = ?";
 
-	public JdbcMutableAclService(DataSource dataSource, LookupStrategy lookupStrategy,
-			AclCache aclCache) {
+	public JdbcMutableAclService(DataSource dataSource, LookupStrategy lookupStrategy, AclCache aclCache) {
 		super(dataSource, lookupStrategy);
 		Assert.notNull(aclCache, "AclCache required");
 		this.aclCache = aclCache;
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
-	public MutableAcl createAcl(ObjectIdentity objectIdentity)
-			throws AlreadyExistsException {
+	@Override
+	public MutableAcl createAcl(ObjectIdentity objectIdentity) throws AlreadyExistsException {
 		Assert.notNull(objectIdentity, "Object Identity required");
 
 		// Check this object identity hasn't already been persisted
 		if (retrieveObjectIdentityPrimaryKey(objectIdentity) != null) {
-			throw new AlreadyExistsException("Object identity '" + objectIdentity
-					+ "' already exists");
+			throw new AlreadyExistsException("Object identity '" + objectIdentity + "' already exists");
 		}
 
 		// Need to retrieve the current principal, in order to know who "owns" this ACL
@@ -128,22 +132,23 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	/**
 	 * Creates a new row in acl_entry for every ACE defined in the passed MutableAcl
 	 * object.
-	 *
 	 * @param acl containing the ACEs to insert
 	 */
 	protected void createEntries(final MutableAcl acl) {
 		if (acl.getEntries().isEmpty()) {
 			return;
 		}
-		jdbcOperations.batchUpdate(insertEntry, new BatchPreparedStatementSetter() {
+		this.jdbcOperations.batchUpdate(this.insertEntry, new BatchPreparedStatementSetter() {
+
+			@Override
 			public int getBatchSize() {
 				return acl.getEntries().size();
 			}
 
+			@Override
 			public void setValues(PreparedStatement stmt, int i) throws SQLException {
 				AccessControlEntry entry_ = acl.getEntries().get(i);
-				Assert.isTrue(entry_ instanceof AccessControlEntryImpl,
-						"Unknown ACE class");
+				Assert.isTrue(entry_ instanceof AccessControlEntryImpl, "Unknown ACE class");
 				AccessControlEntryImpl entry = (AccessControlEntryImpl) entry_;
 
 				stmt.setLong(1, (Long) acl.getId());
@@ -154,6 +159,7 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 				stmt.setBoolean(6, entry.isAuditSuccess());
 				stmt.setBoolean(7, entry.isAuditFailure());
 			}
+
 		});
 	}
 
@@ -161,7 +167,6 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	 * Creates an entry in the acl_object_identity table for the passed ObjectIdentity.
 	 * The Sid is also necessary, as acl_object_identity has defined the sid column as
 	 * non-null.
-	 *
 	 * @param object to represent an acl_object_identity for
 	 * @param owner for the SID column (will be created if there is no acl_sid entry for
 	 * this particular Sid already)
@@ -169,22 +174,20 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	protected void createObjectIdentity(ObjectIdentity object, Sid owner) {
 		Long sidId = createOrRetrieveSidPrimaryKey(owner, true);
 		Long classId = createOrRetrieveClassPrimaryKey(object.getType(), true, object.getIdentifier().getClass());
-		jdbcOperations.update(insertObjectIdentity, classId, object.getIdentifier().toString(), sidId,
+		this.jdbcOperations.update(this.insertObjectIdentity, classId, object.getIdentifier().toString(), sidId,
 				Boolean.TRUE);
 	}
 
 	/**
 	 * Retrieves the primary key from {@code acl_class}, creating a new row if needed and
 	 * the {@code allowCreate} property is {@code true}.
-	 *
 	 * @param type to find or create an entry for (often the fully-qualified class name)
 	 * @param allowCreate true if creation is permitted if not found
-	 *
 	 * @return the primary key or null if not found
 	 */
 	protected Long createOrRetrieveClassPrimaryKey(String type, boolean allowCreate, Class idType) {
-		List<Long> classIds = jdbcOperations.queryForList(selectClassPrimaryKey,
-				new Object[] { type }, Long.class);
+		List<Long> classIds = this.jdbcOperations.queryForList(this.selectClassPrimaryKey, new Object[] { type },
+				Long.class);
 
 		if (!classIds.isEmpty()) {
 			return classIds.get(0);
@@ -192,13 +195,13 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 
 		if (allowCreate) {
 			if (!isAclClassIdSupported()) {
-				jdbcOperations.update(insertClass, type);
-			} else {
-				jdbcOperations.update(insertClass, type, idType.getCanonicalName());
+				this.jdbcOperations.update(this.insertClass, type);
 			}
-			Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(),
-					"Transaction must be running");
-			return jdbcOperations.queryForObject(classIdentityQuery, Long.class);
+			else {
+				this.jdbcOperations.update(this.insertClass, type, idType.getCanonicalName());
+			}
+			Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(), "Transaction must be running");
+			return this.jdbcOperations.queryForObject(this.classIdentityQuery, Long.class);
 		}
 
 		return null;
@@ -207,33 +210,23 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	/**
 	 * Retrieves the primary key from acl_sid, creating a new row if needed and the
 	 * allowCreate property is true.
-	 *
 	 * @param sid to find or create
 	 * @param allowCreate true if creation is permitted if not found
-	 *
 	 * @return the primary key or null if not found
-	 *
 	 * @throws IllegalArgumentException if the <tt>Sid</tt> is not a recognized
 	 * implementation.
 	 */
 	protected Long createOrRetrieveSidPrimaryKey(Sid sid, boolean allowCreate) {
 		Assert.notNull(sid, "Sid required");
-
-		String sidName;
-		boolean sidIsPrincipal = true;
-
 		if (sid instanceof PrincipalSid) {
-			sidName = ((PrincipalSid) sid).getPrincipal();
+			String sidName = ((PrincipalSid) sid).getPrincipal();
+			return createOrRetrieveSidPrimaryKey(sidName, true, allowCreate);
 		}
-		else if (sid instanceof GrantedAuthoritySid) {
-			sidName = ((GrantedAuthoritySid) sid).getGrantedAuthority();
-			sidIsPrincipal = false;
-		}
-		else {
-			throw new IllegalArgumentException("Unsupported implementation of Sid");
+		if (sid instanceof GrantedAuthoritySid) {
+			String sidName = ((GrantedAuthoritySid) sid).getGrantedAuthority();
+			return createOrRetrieveSidPrimaryKey(sidName, false, allowCreate);
 		}
-
-		return createOrRetrieveSidPrimaryKey(sidName, sidIsPrincipal, allowCreate);
+		throw new IllegalArgumentException("Unsupported implementation of Sid");
 	}
 
 	/**
@@ -244,32 +237,24 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	 * @param allowCreate true if creation is permitted if not found
 	 * @return the primary key or null if not found
 	 */
-	protected Long createOrRetrieveSidPrimaryKey(String sidName, boolean sidIsPrincipal,
-			boolean allowCreate) {
-
-		List<Long> sidIds = jdbcOperations.queryForList(selectSidPrimaryKey, new Object[] {
-				sidIsPrincipal, sidName }, Long.class);
-
+	protected Long createOrRetrieveSidPrimaryKey(String sidName, boolean sidIsPrincipal, boolean allowCreate) {
+		List<Long> sidIds = this.jdbcOperations.queryForList(this.selectSidPrimaryKey,
+				new Object[] { sidIsPrincipal, sidName }, Long.class);
 		if (!sidIds.isEmpty()) {
 			return sidIds.get(0);
 		}
-
 		if (allowCreate) {
-			jdbcOperations.update(insertSid, sidIsPrincipal, sidName);
-			Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(),
-					"Transaction must be running");
-			return jdbcOperations.queryForObject(sidIdentityQuery, Long.class);
+			this.jdbcOperations.update(this.insertSid, sidIsPrincipal, sidName);
+			Assert.isTrue(TransactionSynchronizationManager.isSynchronizationActive(), "Transaction must be running");
+			return this.jdbcOperations.queryForObject(this.sidIdentityQuery, Long.class);
 		}
-
 		return null;
 	}
 
-	public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren)
-			throws ChildrenExistException {
+	@Override
+	public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren) throws ChildrenExistException {
 		Assert.notNull(objectIdentity, "Object Identity required");
-		Assert.notNull(objectIdentity.getIdentifier(),
-				"Object Identity doesn't provide an identifier");
-
+		Assert.notNull(objectIdentity.getIdentifier(), "Object Identity doesn't provide an identifier");
 		if (deleteChildren) {
 			List<ObjectIdentity> children = findChildren(objectIdentity);
 			if (children != null) {
@@ -279,14 +264,13 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 			}
 		}
 		else {
-			if (!foreignKeysInDatabase) {
+			if (!this.foreignKeysInDatabase) {
 				// We need to perform a manual verification for what a FK would normally
-				// do
-				// We generally don't do this, in the interests of deadlock management
+				// do. We generally don't do this, in the interests of deadlock management
 				List<ObjectIdentity> children = findChildren(objectIdentity);
 				if (children != null) {
-					throw new ChildrenExistException("Cannot delete '" + objectIdentity
-							+ "' (has " + children.size() + " children)");
+					throw new ChildrenExistException(
+							"Cannot delete '" + objectIdentity + "' (has " + children.size() + " children)");
 				}
 			}
 		}
@@ -300,17 +284,16 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 		deleteObjectIdentity(oidPrimaryKey);
 
 		// Clear the cache
-		aclCache.evictFromCache(objectIdentity);
+		this.aclCache.evictFromCache(objectIdentity);
 	}
 
 	/**
 	 * Deletes all ACEs defined in the acl_entry table belonging to the presented
 	 * ObjectIdentity primary key.
-	 *
 	 * @param oidPrimaryKey the rows in acl_entry to delete
 	 */
 	protected void deleteEntries(Long oidPrimaryKey) {
-		jdbcOperations.update(deleteEntryByObjectIdentityForeignKey, oidPrimaryKey);
+		this.jdbcOperations.update(this.deleteEntryByObjectIdentityForeignKey, oidPrimaryKey);
 	}
 
 	/**
@@ -319,27 +302,24 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	 * <p>
 	 * We do not delete any entries from acl_class, even if no classes are using that
 	 * class any longer. This is a deadlock avoidance approach.
-	 *
 	 * @param oidPrimaryKey to delete the acl_object_identity
 	 */
 	protected void deleteObjectIdentity(Long oidPrimaryKey) {
 		// Delete the acl_object_identity row
-		jdbcOperations.update(deleteObjectIdentityByPrimaryKey, oidPrimaryKey);
+		this.jdbcOperations.update(this.deleteObjectIdentityByPrimaryKey, oidPrimaryKey);
 	}
 
 	/**
 	 * Retrieves the primary key from the acl_object_identity table for the passed
 	 * ObjectIdentity. Unlike some other methods in this implementation, this method will
 	 * NOT create a row (use {@link #createObjectIdentity(ObjectIdentity, Sid)} instead).
-	 *
 	 * @param oid to find
-	 *
 	 * @return the object identity or null if not found
 	 */
 	protected Long retrieveObjectIdentityPrimaryKey(ObjectIdentity oid) {
 		try {
-			return jdbcOperations.queryForObject(selectObjectIdentityPrimaryKey, Long.class,
-					oid.getType(), oid.getIdentifier().toString());
+			return this.jdbcOperations.queryForObject(this.selectObjectIdentityPrimaryKey, Long.class, oid.getType(),
+					oid.getIdentifier().toString());
 		}
 		catch (DataAccessException notFound) {
 			return null;
@@ -352,6 +332,7 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	 * dirty state checking, or more likely use ORM capabilities for create, update and
 	 * delete operations of {@link MutableAcl}.
 	 */
+	@Override
 	public MutableAcl updateAcl(MutableAcl acl) throws NotFoundException {
 		Assert.notNull(acl.getId(), "Object Identity doesn't provide an identifier");
 
@@ -380,37 +361,28 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 				clearCacheIncludingChildren(child);
 			}
 		}
-		aclCache.evictFromCache(objectIdentity);
+		this.aclCache.evictFromCache(objectIdentity);
 	}
 
 	/**
 	 * Updates an existing acl_object_identity row, with new information presented in the
 	 * passed MutableAcl object. Also will create an acl_sid entry if needed for the Sid
 	 * that owns the MutableAcl.
-	 *
 	 * @param acl to modify (a row must already exist in acl_object_identity)
-	 *
 	 * @throws NotFoundException if the ACL could not be found to update.
 	 */
 	protected void updateObjectIdentity(MutableAcl acl) {
 		Long parentId = null;
-
 		if (acl.getParentAcl() != null) {
-			Assert.isInstanceOf(ObjectIdentityImpl.class, acl.getParentAcl()
-					.getObjectIdentity(),
+			Assert.isInstanceOf(ObjectIdentityImpl.class, acl.getParentAcl().getObjectIdentity(),
 					"Implementation only supports ObjectIdentityImpl");
-
-			ObjectIdentityImpl oii = (ObjectIdentityImpl) acl.getParentAcl()
-					.getObjectIdentity();
+			ObjectIdentityImpl oii = (ObjectIdentityImpl) acl.getParentAcl().getObjectIdentity();
 			parentId = retrieveObjectIdentityPrimaryKey(oii);
 		}
-
 		Assert.notNull(acl.getOwner(), "Owner is required in this implementation");
-
 		Long ownerSid = createOrRetrieveSidPrimaryKey(acl.getOwner(), true);
-		int count = jdbcOperations.update(updateObjectIdentity, parentId, ownerSid,
-				acl.isEntriesInheriting(), acl.getId());
-
+		int count = this.jdbcOperations.update(this.updateObjectIdentity, parentId, ownerSid, acl.isEntriesInheriting(),
+				acl.getId());
 		if (count != 1) {
 			throw new NotFoundException("Unable to locate ACL to update");
 		}
@@ -419,7 +391,6 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	/**
 	 * Sets the query that will be used to retrieve the identity of a newly created row in
 	 * the <tt>acl_class</tt> table.
-	 *
 	 * @param classIdentityQuery the query, which should return the identifier. Defaults
 	 * to <tt>call identity()</tt>
 	 */
@@ -431,7 +402,6 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 	/**
 	 * Sets the query that will be used to retrieve the identity of a newly created row in
 	 * the <tt>acl_sid</tt> table.
-	 *
 	 * @param sidIdentityQuery the query, which should return the identifier. Defaults to
 	 * <tt>call identity()</tt>
 	 */
@@ -440,13 +410,11 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 		this.sidIdentityQuery = sidIdentityQuery;
 	}
 
-	public void setDeleteEntryByObjectIdentityForeignKeySql(
-			String deleteEntryByObjectIdentityForeignKey) {
+	public void setDeleteEntryByObjectIdentityForeignKeySql(String deleteEntryByObjectIdentityForeignKey) {
 		this.deleteEntryByObjectIdentityForeignKey = deleteEntryByObjectIdentityForeignKey;
 	}
 
-	public void setDeleteObjectIdentityByPrimaryKeySql(
-			String deleteObjectIdentityByPrimaryKey) {
+	public void setDeleteObjectIdentityByPrimaryKeySql(String deleteObjectIdentityByPrimaryKey) {
 		this.deleteObjectIdentityByPrimaryKey = deleteObjectIdentityByPrimaryKey;
 	}
 
@@ -498,9 +466,11 @@ public class JdbcMutableAclService extends JdbcAclService implements MutableAclS
 			// Change the default insert if it hasn't been overridden
 			if (this.insertClass.equals(DEFAULT_INSERT_INTO_ACL_CLASS)) {
 				this.insertClass = DEFAULT_INSERT_INTO_ACL_CLASS_WITH_ID;
-			} else {
+			}
+			else {
 				log.debug("Insert class statement has already been overridden, so not overridding the default");
 			}
 		}
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/jdbc/LookupStrategy.java

@@ -13,32 +13,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
+import java.util.List;
+import java.util.Map;
+
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.NotFoundException;
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.acls.model.Sid;
 
-import java.util.List;
-import java.util.Map;
-
 /**
  * Performs lookups for {@link org.springframework.security.acls.model.AclService}.
  *
  * @author Ben Alex
  */
 public interface LookupStrategy {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * Perform database-specific optimized lookup.
-	 *
 	 * @param objects the identities to lookup (required)
 	 * @param sids the SIDs for which identities are required (may be <tt>null</tt> -
 	 * implementations may elect not to provide SID optimisations)
-	 *
 	 * @return a <tt>Map</tt> where keys represent the {@link ObjectIdentity} of the
 	 * located {@link Acl} and values are the located {@link Acl} (never <tt>null</tt>
 	 * although some entries may be missing; this method should not throw
@@ -46,4 +43,5 @@ public interface LookupStrategy {
 	 * automatically create entries if required)
 	 */
 	Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids);
+
 }

acl/src/main/java/org/springframework/security/acls/jdbc/package-info.java

@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /**
  * JDBC-based persistence of ACL information
  */
 package org.springframework.security.acls.jdbc;
-

acl/src/main/java/org/springframework/security/acls/model/AccessControlEntry.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -26,17 +27,13 @@ import java.io.Serializable;
  * </p>
  *
  * @author Ben Alex
- *
  */
 public interface AccessControlEntry extends Serializable {
-	// ~ Methods
-	// ========================================================================================================
 
 	Acl getAcl();
 
 	/**
 	 * Obtains an identifier that represents this ACE.
-	 *
 	 * @return the identifier, or <code>null</code> if unsaved
 	 */
 	Serializable getId();
@@ -46,10 +43,10 @@ public interface AccessControlEntry extends Serializable {
 	Sid getSid();
 
 	/**
-	 * Indicates the permission is being granted to the relevant Sid. If false,
-	 * indicates the permission is being revoked/blocked.
-	 *
+	 * Indicates the permission is being granted to the relevant Sid. If false, indicates
+	 * the permission is being revoked/blocked.
 	 * @return true if being granted, false otherwise
 	 */
 	boolean isGranting();
+
 }

acl/src/main/java/org/springframework/security/acls/model/Acl.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -63,7 +64,6 @@ public interface Acl extends Serializable {
 	 * subset of <tt>Sid</tt>s. The caller is responsible for correctly handling the
 	 * result if only a subset of <tt>Sid</tt>s is represented.
 	 * </p>
-	 *
 	 * @return the list of entries represented by the <tt>Acl</tt>, or <tt>null</tt> if
 	 * there are no entries presently associated with this <tt>Acl</tt>.
 	 */
@@ -72,7 +72,6 @@ public interface Acl extends Serializable {
 	/**
 	 * Obtains the domain object this <tt>Acl</tt> provides entries for. This is immutable
 	 * once an <tt>Acl</tt> is created.
-	 *
 	 * @return the object identity (never <tt>null</tt>)
 	 */
 	ObjectIdentity getObjectIdentity();
@@ -80,7 +79,6 @@ public interface Acl extends Serializable {
 	/**
 	 * Determines the owner of the <tt>Acl</tt>. The meaning of ownership varies by
 	 * implementation and is unspecified.
-	 *
 	 * @return the owner (may be <tt>null</tt> if the implementation does not use
 	 * ownership concepts)
 	 */
@@ -102,7 +100,6 @@ public interface Acl extends Serializable {
 	 * subset of <tt>Sid</tt>s. The caller is responsible for correctly handling the
 	 * result if only a subset of <tt>Sid</tt>s is represented.
 	 * </p>
-	 *
 	 * @return the parent <tt>Acl</tt> (may be <tt>null</tt> if this <tt>Acl</tt> does not
 	 * have a parent)
 	 */
@@ -118,7 +115,6 @@ public interface Acl extends Serializable {
 	 * parent for navigation purposes. Thus, this method denotes whether or not the
 	 * navigation relationship also extends to the actual inheritance of entries.
 	 * </p>
-	 *
 	 * @return <tt>true</tt> if parent ACL entries inherit into the current <tt>Acl</tt>
 	 */
 	boolean isEntriesInheriting();
@@ -158,7 +154,6 @@ public interface Acl extends Serializable {
 	 * authorization decision for a {@link Sid} that was never loaded in this <tt>Acl</tt>
 	 * .
 	 * </p>
-	 *
 	 * @param permission the permission or permissions required (at least one entry
 	 * required)
 	 * @param sids the security identities held by the principal (at least one entry
@@ -166,17 +161,15 @@ public interface Acl extends Serializable {
 	 * @param administrativeMode if <tt>true</tt> denotes the query is for administrative
 	 * purposes and no logging or auditing (if supported by the implementation) should be
 	 * undertaken
-	 *
 	 * @return <tt>true</tt> if authorization is granted
-	 *
 	 * @throws NotFoundException MUST be thrown if an implementation cannot make an
 	 * authoritative authorization decision, usually because there is no ACL information
 	 * for this particular permission and/or SID
 	 * @throws UnloadedSidException thrown if the <tt>Acl</tt> does not have details for
 	 * one or more of the <tt>Sid</tt>s passed as arguments
 	 */
-	boolean isGranted(List<Permission> permission, List<Sid> sids,
-			boolean administrativeMode) throws NotFoundException, UnloadedSidException;
+	boolean isGranted(List<Permission> permission, List<Sid> sids, boolean administrativeMode)
+			throws NotFoundException, UnloadedSidException;
 
 	/**
 	 * For efficiency reasons an <tt>Acl</tt> may be loaded and <em>not</em> contain
@@ -191,12 +184,11 @@ public interface Acl extends Serializable {
 	 * all <tt>Sid</tt>s. This method denotes whether or not the specified <tt>Sid</tt>s
 	 * have been loaded or not.
 	 * </p>
-	 *
 	 * @param sids one or more security identities the caller is interest in knowing
 	 * whether this <tt>Sid</tt> supports
-	 *
 	 * @return <tt>true</tt> if every passed <tt>Sid</tt> is represented by this
 	 * <tt>Acl</tt> instance
 	 */
 	boolean isSidLoaded(List<Sid> sids);
+
 }

acl/src/main/java/org/springframework/security/acls/model/AclCache.java

@@ -13,21 +13,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.model;
 
-import org.springframework.security.acls.jdbc.JdbcAclService;
+package org.springframework.security.acls.model;
 
 import java.io.Serializable;
 
+import org.springframework.security.acls.jdbc.JdbcAclService;
+
 /**
  * A caching layer for {@link JdbcAclService}.
  *
  * @author Ben Alex
- *
  */
 public interface AclCache {
-	// ~ Methods
-	// ========================================================================================================
 
 	void evictFromCache(Serializable pk);
 
@@ -40,4 +38,5 @@ public interface AclCache {
 	void putInCache(MutableAcl acl);
 
 	void clearCache();
+
 }

acl/src/main/java/org/springframework/security/acls/model/AclDataAccessException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -26,7 +27,6 @@ public abstract class AclDataAccessException extends RuntimeException {
 	/**
 	 * Constructs an <code>AclDataAccessException</code> with the specified message and
 	 * root cause.
-	 *
 	 * @param msg the detail message
 	 * @param cause the root cause
 	 */
@@ -37,10 +37,10 @@ public abstract class AclDataAccessException extends RuntimeException {
 	/**
 	 * Constructs an <code>AclDataAccessException</code> with the specified message and no
 	 * root cause.
-	 *
 	 * @param msg the detail message
 	 */
 	public AclDataAccessException(String msg) {
 		super(msg);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/model/AclService.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.util.List;
@@ -24,15 +25,11 @@ import java.util.Map;
  * @author Ben Alex
  */
 public interface AclService {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * Locates all object identities that use the specified parent. This is useful for
 	 * administration tools.
-	 *
 	 * @param parentIdentity to locate children of
-	 *
 	 * @return the children (or <tt>null</tt> if none were found)
 	 */
 	List<ObjectIdentity> findChildren(ObjectIdentity parentIdentity);
@@ -44,12 +41,9 @@ public interface AclService {
 	 * implementation's potential ability to filter <tt>Acl</tt> entries based on a
 	 * {@link Sid} parameter.
 	 * </p>
-	 *
 	 * @param object to locate an {@link Acl} for
-	 *
 	 * @return the {@link Acl} for the requested {@link ObjectIdentity} (never
 	 * <tt>null</tt>)
-	 *
 	 * @throws NotFoundException if an {@link Acl} was not found for the requested
 	 * {@link ObjectIdentity}
 	 */
@@ -57,14 +51,11 @@ public interface AclService {
 
 	/**
 	 * Same as {@link #readAclsById(List, List)} except it returns only a single Acl.
-	 *
 	 * @param object to locate an {@link Acl} for
 	 * @param sids the security identities for which {@link Acl} information is required
 	 * (may be <tt>null</tt> to denote all entries)
-	 *
 	 * @return the {@link Acl} for the requested {@link ObjectIdentity} (never
 	 * <tt>null</tt>)
-	 *
 	 * @throws NotFoundException if an {@link Acl} was not found for the requested
 	 * {@link ObjectIdentity}
 	 */
@@ -76,17 +67,13 @@ public interface AclService {
 	 * The returned map is keyed on the passed objects, with the values being the
 	 * <tt>Acl</tt> instances. Any unknown objects will not have a map key.
 	 * </p>
-	 *
 	 * @param objects the objects to find {@link Acl} information for
-	 *
 	 * @return a map with exactly one element for each {@link ObjectIdentity} passed as an
 	 * argument (never <tt>null</tt>)
-	 *
 	 * @throws NotFoundException if an {@link Acl} was not found for each requested
 	 * {@link ObjectIdentity}
 	 */
-	Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects)
-			throws NotFoundException;
+	Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects) throws NotFoundException;
 
 	/**
 	 * Obtains all the <tt>Acl</tt>s that apply for the passed <tt>Object</tt>s, but only
@@ -103,17 +90,14 @@ public interface AclService {
 	 * <tt>Acl</tt> instances. Any unknown objects (or objects for which the interested
 	 * <tt>Sid</tt>s do not have entries) will not have a map key.
 	 * </p>
-	 *
 	 * @param objects the objects to find {@link Acl} information for
 	 * @param sids the security identities for which {@link Acl} information is required
 	 * (may be <tt>null</tt> to denote all entries)
-	 *
 	 * @return a map with exactly one element for each {@link ObjectIdentity} passed as an
 	 * argument (never <tt>null</tt>)
-	 *
 	 * @throws NotFoundException if an {@link Acl} was not found for each requested
 	 * {@link ObjectIdentity}
 	 */
-	Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids)
-			throws NotFoundException;
+	Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids) throws NotFoundException;
+
 }

acl/src/main/java/org/springframework/security/acls/model/AlreadyExistsException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -21,12 +22,9 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public class AlreadyExistsException extends AclDataAccessException {
-	// ~ Constructors
-	// ===================================================================================================
 
 	/**
 	 * Constructs an <code>AlreadyExistsException</code> with the specified message.
-	 *
 	 * @param msg the detail message
 	 */
 	public AlreadyExistsException(String msg) {
@@ -36,11 +34,11 @@ public class AlreadyExistsException extends AclDataAccessException {
 	/**
 	 * Constructs an <code>AlreadyExistsException</code> with the specified message and
 	 * root cause.
-	 *
 	 * @param msg the detail message
-	 * @param t root cause
+	 * @param cause root cause
 	 */
-	public AlreadyExistsException(String msg, Throwable t) {
-		super(msg, t);
+	public AlreadyExistsException(String msg, Throwable cause) {
+		super(msg, cause);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/model/AuditableAccessControlEntry.java

@@ -13,19 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
  * Represents an ACE that provides auditing information.
  *
  * @author Ben Alex
- *
  */
 public interface AuditableAccessControlEntry extends AccessControlEntry {
-	// ~ Methods
-	// ========================================================================================================
 
 	boolean isAuditFailure();
 
 	boolean isAuditSuccess();
+
 }

acl/src/main/java/org/springframework/security/acls/model/AuditableAcl.java

@@ -13,17 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
  * A mutable ACL that provides audit capabilities.
  *
  * @author Ben Alex
- *
  */
 public interface AuditableAcl extends MutableAcl {
-	// ~ Methods
-	// ========================================================================================================
 
 	void updateAuditing(int aceIndex, boolean auditSuccess, boolean auditFailure);
+
 }

acl/src/main/java/org/springframework/security/acls/model/ChildrenExistException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -21,12 +22,9 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public class ChildrenExistException extends AclDataAccessException {
-	// ~ Constructors
-	// ===================================================================================================
 
 	/**
 	 * Constructs an <code>ChildrenExistException</code> with the specified message.
-	 *
 	 * @param msg the detail message
 	 */
 	public ChildrenExistException(String msg) {
@@ -36,11 +34,11 @@ public class ChildrenExistException extends AclDataAccessException {
 	/**
 	 * Constructs an <code>ChildrenExistException</code> with the specified message and
 	 * root cause.
-	 *
 	 * @param msg the detail message
-	 * @param t root cause
+	 * @param cause root cause
 	 */
-	public ChildrenExistException(String msg, Throwable t) {
-		super(msg, t);
+	public ChildrenExistException(String msg, Throwable cause) {
+		super(msg, cause);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/model/MutableAcl.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -26,41 +27,35 @@ import java.io.Serializable;
  * @author Ben Alex
  */
 public interface MutableAcl extends Acl {
-	// ~ Methods
-	// ========================================================================================================
 
 	void deleteAce(int aceIndex) throws NotFoundException;
 
 	/**
 	 * Obtains an identifier that represents this <tt>MutableAcl</tt>.
-	 *
 	 * @return the identifier, or <tt>null</tt> if unsaved
 	 */
 	Serializable getId();
 
-	void insertAce(int atIndexLocation, Permission permission, Sid sid, boolean granting)
-			throws NotFoundException;
+	void insertAce(int atIndexLocation, Permission permission, Sid sid, boolean granting) throws NotFoundException;
 
 	/**
 	 * Changes the present owner to a different owner.
-	 *
 	 * @param newOwner the new owner (mandatory; cannot be null)
 	 */
 	void setOwner(Sid newOwner);
 
 	/**
 	 * Change the value returned by {@link Acl#isEntriesInheriting()}.
-	 *
 	 * @param entriesInheriting the new value
 	 */
 	void setEntriesInheriting(boolean entriesInheriting);
 
 	/**
 	 * Changes the parent of this ACL.
-	 *
 	 * @param newParent the new parent
 	 */
 	void setParent(Acl newParent);
 
 	void updateAce(int aceIndex, Permission permission) throws NotFoundException;
+
 }

acl/src/main/java/org/springframework/security/acls/model/MutableAclService.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -21,41 +22,32 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public interface MutableAclService extends AclService {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * Creates an empty <code>Acl</code> object in the database. It will have no entries.
 	 * The returned object will then be used to add entries.
-	 *
 	 * @param objectIdentity the object identity to create
-	 *
 	 * @return an ACL object with its ID set
-	 *
 	 * @throws AlreadyExistsException if the passed object identity already has a record
 	 */
 	MutableAcl createAcl(ObjectIdentity objectIdentity) throws AlreadyExistsException;
 
 	/**
 	 * Removes the specified entry from the database.
-	 *
 	 * @param objectIdentity the object identity to remove
 	 * @param deleteChildren whether to cascade the delete to children
-	 *
 	 * @throws ChildrenExistException if the deleteChildren argument was
 	 * <code>false</code> but children exist
 	 */
-	void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren)
-			throws ChildrenExistException;
+	void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren) throws ChildrenExistException;
 
 	/**
 	 * Changes an existing <code>Acl</code> in the database.
-	 *
 	 * @param acl to modify
-	 *
 	 * @throws NotFoundException if the relevant record could not be found (did you
 	 * remember to use {@link #createAcl(ObjectIdentity)} to create the object, rather
 	 * than creating it with the <code>new</code> keyword?)
 	 */
 	MutableAcl updateAcl(MutableAcl acl) throws NotFoundException;
+
 }

acl/src/main/java/org/springframework/security/acls/model/NotFoundException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -21,12 +22,9 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public class NotFoundException extends AclDataAccessException {
-	// ~ Constructors
-	// ===================================================================================================
 
 	/**
 	 * Constructs an <code>NotFoundException</code> with the specified message.
-	 *
 	 * @param msg the detail message
 	 */
 	public NotFoundException(String msg) {
@@ -36,11 +34,11 @@ public class NotFoundException extends AclDataAccessException {
 	/**
 	 * Constructs an <code>NotFoundException</code> with the specified message and root
 	 * cause.
-	 *
 	 * @param msg the detail message
-	 * @param t root cause
+	 * @param cause root cause
 	 */
-	public NotFoundException(String msg, Throwable t) {
-		super(msg, t);
+	public NotFoundException(String msg, Throwable cause) {
+		super(msg, cause);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/model/ObjectIdentity.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -32,15 +33,13 @@ import java.io.Serializable;
  * @author Ben Alex
  */
 public interface ObjectIdentity extends Serializable {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * @param obj to be compared
-	 *
 	 * @return <tt>true</tt> if the objects are equal, <tt>false</tt> otherwise
 	 * @see Object#equals(Object)
 	 */
+	@Override
 	boolean equals(Object obj);
 
 	/**
@@ -53,7 +52,6 @@ public interface ObjectIdentity extends Serializable {
 	 * identifier with business meaning, as that business meaning may change in the future
 	 * such change will cascade to the ACL subsystem data.
 	 * </p>
-	 *
 	 * @return the identifier (unique within this <tt>type</tt>; never <tt>null</tt>)
 	 */
 	Serializable getIdentifier();
@@ -62,7 +60,6 @@ public interface ObjectIdentity extends Serializable {
 	 * Obtains the "type" metadata for the domain object. This will often be a Java type
 	 * name (an interface or a class) &ndash; traditionally it is the name of the domain
 	 * object implementation class.
-	 *
 	 * @return the "type" of the domain object (never <tt>null</tt>).
 	 */
 	String getType();
@@ -71,5 +68,7 @@ public interface ObjectIdentity extends Serializable {
 	 * @return a hash code representation of the <tt>ObjectIdentity</tt>
 	 * @see Object#hashCode()
 	 */
+	@Override
 	int hashCode();
+
 }

acl/src/main/java/org/springframework/security/acls/model/ObjectIdentityGenerator.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -30,7 +31,6 @@ import java.io.Serializable;
 public interface ObjectIdentityGenerator {
 
 	/**
-	 *
 	 * @param id the identifier of the domain object, not null
 	 * @param type the type of the object (often a class name), not null
 	 * @return the identity constructed using the supplied identifier and type

acl/src/main/java/org/springframework/security/acls/model/ObjectIdentityRetrievalStrategy.java

@@ -21,11 +21,9 @@ package org.springframework.security.acls.model;
  * will be returned for a particular domain object
  *
  * @author Ben Alex
- *
  */
 public interface ObjectIdentityRetrievalStrategy {
-	// ~ Methods
-	// ========================================================================================================
 
 	ObjectIdentity getObjectIdentity(Object domainObject);
+
 }

acl/src/main/java/org/springframework/security/acls/model/OwnershipAcl.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -25,8 +26,8 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public interface OwnershipAcl extends MutableAcl {
-	// ~ Methods
-	// ========================================================================================================
 
+	@Override
 	void setOwner(Sid newOwner);
+
 }

acl/src/main/java/org/springframework/security/acls/model/Permission.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -23,19 +24,15 @@ import java.io.Serializable;
  * @author Ben Alex
  */
 public interface Permission extends Serializable {
-	// ~ Static fields/initializers
-	// =====================================================================================
 
 	char RESERVED_ON = '~';
+
 	char RESERVED_OFF = '.';
-	String THIRTY_TWO_RESERVED_OFF = "................................";
 
-	// ~ Methods
-	// ========================================================================================================
+	String THIRTY_TWO_RESERVED_OFF = "................................";
 
 	/**
 	 * Returns the bits that represents the permission.
-	 *
 	 * @return the bits that represent the permission
 	 */
 	int getMask();
@@ -56,8 +53,8 @@ public interface Permission extends Serializable {
 	 * This method is only used for user interface and logging purposes. It is not used in
 	 * any permission calculations. Therefore, duplication of characters within the output
 	 * is permitted.
-	 *
 	 * @return a 32-character bit pattern
 	 */
 	String getPattern();
+
 }

acl/src/main/java/org/springframework/security/acls/model/PermissionGrantingStrategy.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.util.List;
@@ -27,10 +28,9 @@ import java.util.List;
 public interface PermissionGrantingStrategy {
 
 	/**
-	 * Returns true if the supplied strategy decides that the supplied {@code Acl}
-	 * grants access based on the supplied list of permissions and sids.
+	 * Returns true if the supplied strategy decides that the supplied {@code Acl} grants
+	 * access based on the supplied list of permissions and sids.
 	 */
-	boolean isGranted(Acl acl, List<Permission> permission, List<Sid> sids,
-			boolean administrativeMode);
+	boolean isGranted(Acl acl, List<Permission> permission, List<Sid> sids, boolean administrativeMode);
 
 }

acl/src/main/java/org/springframework/security/acls/model/Sid.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 import java.io.Serializable;
@@ -31,24 +32,22 @@ import java.io.Serializable;
  * @author Ben Alex
  */
 public interface Sid extends Serializable {
-	// ~ Methods
-	// ========================================================================================================
 
 	/**
 	 * Refer to the <code>java.lang.Object</code> documentation for the interface
 	 * contract.
-	 *
 	 * @param obj to be compared
-	 *
 	 * @return <code>true</code> if the objects are equal, <code>false</code> otherwise
 	 */
+	@Override
 	boolean equals(Object obj);
 
 	/**
 	 * Refer to the <code>java.lang.Object</code> documentation for the interface
 	 * contract.
-	 *
 	 * @return a hash code representation of this object
 	 */
+	@Override
 	int hashCode();
+
 }

acl/src/main/java/org/springframework/security/acls/model/SidRetrievalStrategy.java

@@ -27,8 +27,7 @@ import org.springframework.security.core.Authentication;
  * @author Ben Alex
  */
 public interface SidRetrievalStrategy {
-	// ~ Methods
-	// ========================================================================================================
 
 	List<Sid> getSids(Authentication authentication);
+
 }

acl/src/main/java/org/springframework/security/acls/model/UnloadedSidException.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.model;
 
 /**
@@ -23,12 +24,9 @@ package org.springframework.security.acls.model;
  * @author Ben Alex
  */
 public class UnloadedSidException extends AclDataAccessException {
-	// ~ Constructors
-	// ===================================================================================================
 
 	/**
 	 * Constructs an <code>NotFoundException</code> with the specified message.
-	 *
 	 * @param msg the detail message
 	 */
 	public UnloadedSidException(String msg) {
@@ -38,11 +36,11 @@ public class UnloadedSidException extends AclDataAccessException {
 	/**
 	 * Constructs an <code>NotFoundException</code> with the specified message and root
 	 * cause.
-	 *
 	 * @param msg the detail message
-	 * @param t root cause
+	 * @param cause root cause
 	 */
-	public UnloadedSidException(String msg, Throwable t) {
-		super(msg, t);
+	public UnloadedSidException(String msg, Throwable cause) {
+		super(msg, cause);
 	}
+
 }

acl/src/main/java/org/springframework/security/acls/model/package-info.java

@@ -13,8 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /**
- * Interfaces and shared classes to manage access control lists (ACLs) for domain object instances.
+ * Interfaces and shared classes to manage access control lists (ACLs) for domain object
+ * instances.
  */
 package org.springframework.security.acls.model;
-

acl/src/main/java/org/springframework/security/acls/package-info.java

@@ -13,12 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 /**
- * The Spring Security ACL package which implements instance-based security for domain objects.
+ * The Spring Security ACL package which implements instance-based security for domain
+ * objects.
  * <p>
- * Consider using the annotation based approach ({@code @PreAuthorize}, {@code @PostFilter} annotations) combined
- * with a {@link org.springframework.security.acls.AclPermissionEvaluator} in preference to the older and more verbose
- * attribute/voter/after-invocation approach from versions before Spring Security 3.0.
+ * Consider using the annotation based approach ({@code @PreAuthorize},
+ * {@code @PostFilter} annotations) combined with a
+ * {@link org.springframework.security.acls.AclPermissionEvaluator} in preference to the
+ * older and more verbose attribute/voter/after-invocation approach from versions before
+ * Spring Security 3.0.
  */
 package org.springframework.security.acls;
-

acl/src/test/java/org/springframework/security/acls/AclFormattingUtilsTests.java

@@ -13,15 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.fail;
+package org.springframework.security.acls;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.domain.AclFormattingUtils;
 import org.springframework.security.acls.model.Permission;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+
 /**
  * Tests for {@link AclFormattingUtils}.
  *
@@ -29,8 +31,6 @@ import org.springframework.security.acls.model.Permission;
  */
 public class AclFormattingUtilsTests {
 
-	// ~ Methods
-	// ========================================================================================================
 	@Test
 	public final void testDemergePatternsParametersConstraints() {
 		try {
@@ -39,21 +39,18 @@ public class AclFormattingUtilsTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.demergePatterns("SOME STRING", null);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.demergePatterns("SOME STRING", "LONGER SOME STRING");
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.demergePatterns("SOME STRING", "SAME LENGTH");
 		}
@@ -66,13 +63,10 @@ public class AclFormattingUtilsTests {
 	public final void testDemergePatterns() {
 		String original = "...........................A...R";
 		String removeBits = "...............................R";
-		assertThat(AclFormattingUtils.demergePatterns(original, removeBits)).isEqualTo(
-				"...........................A....");
-
-		assertThat(AclFormattingUtils.demergePatterns("ABCDEF", "......")).isEqualTo(
-				"ABCDEF");
-		assertThat(AclFormattingUtils.demergePatterns("ABCDEF", "GHIJKL")).isEqualTo(
-				"......");
+		assertThat(AclFormattingUtils.demergePatterns(original, removeBits))
+				.isEqualTo("...........................A....");
+		assertThat(AclFormattingUtils.demergePatterns("ABCDEF", "......")).isEqualTo("ABCDEF");
+		assertThat(AclFormattingUtils.demergePatterns("ABCDEF", "GHIJKL")).isEqualTo("......");
 	}
 
 	@Test
@@ -83,21 +77,18 @@ public class AclFormattingUtilsTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.mergePatterns("SOME STRING", null);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.mergePatterns("SOME STRING", "LONGER SOME STRING");
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			AclFormattingUtils.mergePatterns("SOME STRING", "SAME LENGTH");
 		}
@@ -109,47 +100,37 @@ public class AclFormattingUtilsTests {
 	public final void testMergePatterns() {
 		String original = "...............................R";
 		String extraBits = "...........................A....";
-		assertThat(AclFormattingUtils.mergePatterns(original, extraBits)).isEqualTo(
-				"...........................A...R");
-
-		assertThat(AclFormattingUtils.mergePatterns("ABCDEF", "......")).isEqualTo(
-				"ABCDEF");
-		assertThat(AclFormattingUtils.mergePatterns("ABCDEF", "GHIJKL")).isEqualTo(
-				"GHIJKL");
+		assertThat(AclFormattingUtils.mergePatterns(original, extraBits)).isEqualTo("...........................A...R");
+		assertThat(AclFormattingUtils.mergePatterns("ABCDEF", "......")).isEqualTo("ABCDEF");
+		assertThat(AclFormattingUtils.mergePatterns("ABCDEF", "GHIJKL")).isEqualTo("GHIJKL");
 	}
 
 	@Test
 	public final void testBinaryPrints() {
-		assertThat(AclFormattingUtils.printBinary(15)).isEqualTo(
-				"............................****");
-
+		assertThat(AclFormattingUtils.printBinary(15)).isEqualTo("............................****");
 		try {
 			AclFormattingUtils.printBinary(15, Permission.RESERVED_ON);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException notExpected) {
 		}
-
 		try {
 			AclFormattingUtils.printBinary(15, Permission.RESERVED_OFF);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException notExpected) {
 		}
-
-		assertThat(AclFormattingUtils.printBinary(15, 'x')).isEqualTo(
-				"............................xxxx");
+		assertThat(AclFormattingUtils.printBinary(15, 'x')).isEqualTo("............................xxxx");
 	}
 
 	@Test
 	public void testPrintBinaryNegative() {
-		assertThat(AclFormattingUtils.printBinary(0x80000000)).isEqualTo(
-				"*...............................");
+		assertThat(AclFormattingUtils.printBinary(0x80000000)).isEqualTo("*...............................");
 	}
 
 	@Test
 	public void testPrintBinaryMinusOne() {
-		assertThat(AclFormattingUtils.printBinary(0xffffffff)).isEqualTo(
-				"********************************");
+		assertThat(AclFormattingUtils.printBinary(0xffffffff)).isEqualTo("********************************");
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/AclPermissionCacheOptimizerTests.java

@@ -13,11 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
-import static org.mockito.Mockito.*;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.domain.ObjectIdentityImpl;
 import org.springframework.security.acls.model.AclService;
 import org.springframework.security.acls.model.ObjectIdentity;
@@ -25,9 +29,12 @@ import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
 import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
 
 /**
  * @author Luke Taylor
@@ -44,13 +51,10 @@ public class AclPermissionCacheOptimizerTests {
 		pco.setObjectIdentityRetrievalStrategy(oidStrat);
 		pco.setSidRetrievalStrategy(sidStrat);
 		Object[] dos = { new Object(), null, new Object() };
-		ObjectIdentity[] oids = { new ObjectIdentityImpl("A", "1"),
-				new ObjectIdentityImpl("A", "2") };
-		when(oidStrat.getObjectIdentity(dos[0])).thenReturn(oids[0]);
-		when(oidStrat.getObjectIdentity(dos[2])).thenReturn(oids[1]);
-
+		ObjectIdentity[] oids = { new ObjectIdentityImpl("A", "1"), new ObjectIdentityImpl("A", "2") };
+		given(oidStrat.getObjectIdentity(dos[0])).willReturn(oids[0]);
+		given(oidStrat.getObjectIdentity(dos[2])).willReturn(oids[1]);
 		pco.cachePermissionsFor(mock(Authentication.class), Arrays.asList(dos));
-
 		// AclService should be invoked with the list of required Oids
 		verify(service).readAclsById(eq(Arrays.asList(oids)), any(List.class));
 	}
@@ -63,9 +67,7 @@ public class AclPermissionCacheOptimizerTests {
 		SidRetrievalStrategy sids = mock(SidRetrievalStrategy.class);
 		pco.setObjectIdentityRetrievalStrategy(oids);
 		pco.setSidRetrievalStrategy(sids);
-
 		pco.cachePermissionsFor(mock(Authentication.class), Collections.emptyList());
-
 		verifyZeroInteractions(service, sids, oids);
 	}
 

acl/src/test/java/org/springframework/security/acls/AclPermissionEvaluatorTests.java

@@ -13,15 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls;
-
-import static org.assertj.core.api.Assertions.*;
 
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls;
 
 import java.util.Locale;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.AclService;
 import org.springframework.security.acls.model.ObjectIdentity;
@@ -29,8 +27,14 @@ import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
 import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyList;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
 /**
- *
  * @author Luke Taylor
  * @since 3.0
  */
@@ -42,14 +46,12 @@ public class AclPermissionEvaluatorTests {
 		AclPermissionEvaluator pe = new AclPermissionEvaluator(service);
 		ObjectIdentity oid = mock(ObjectIdentity.class);
 		ObjectIdentityRetrievalStrategy oidStrategy = mock(ObjectIdentityRetrievalStrategy.class);
-		when(oidStrategy.getObjectIdentity(any(Object.class))).thenReturn(oid);
+		given(oidStrategy.getObjectIdentity(any(Object.class))).willReturn(oid);
 		pe.setObjectIdentityRetrievalStrategy(oidStrategy);
 		pe.setSidRetrievalStrategy(mock(SidRetrievalStrategy.class));
 		Acl acl = mock(Acl.class);
-
-		when(service.readAclById(any(ObjectIdentity.class), anyList())).thenReturn(acl);
-		when(acl.isGranted(anyList(), anyList(), eq(false))).thenReturn(true);
-
+		given(service.readAclById(any(ObjectIdentity.class), anyList())).willReturn(acl);
+		given(acl.isGranted(anyList(), anyList(), eq(false))).willReturn(true);
 		assertThat(pe.hasPermission(mock(Authentication.class), new Object(), "READ")).isTrue();
 	}
 
@@ -57,21 +59,18 @@ public class AclPermissionEvaluatorTests {
 	public void resolvePermissionNonEnglishLocale() {
 		Locale systemLocale = Locale.getDefault();
 		Locale.setDefault(new Locale("tr"));
-
 		AclService service = mock(AclService.class);
 		AclPermissionEvaluator pe = new AclPermissionEvaluator(service);
 		ObjectIdentity oid = mock(ObjectIdentity.class);
 		ObjectIdentityRetrievalStrategy oidStrategy = mock(ObjectIdentityRetrievalStrategy.class);
-		when(oidStrategy.getObjectIdentity(any(Object.class))).thenReturn(oid);
+		given(oidStrategy.getObjectIdentity(any(Object.class))).willReturn(oid);
 		pe.setObjectIdentityRetrievalStrategy(oidStrategy);
 		pe.setSidRetrievalStrategy(mock(SidRetrievalStrategy.class));
 		Acl acl = mock(Acl.class);
-
-		when(service.readAclById(any(ObjectIdentity.class), anyList())).thenReturn(acl);
-		when(acl.isGranted(anyList(), anyList(), eq(false))).thenReturn(true);
-
+		given(service.readAclById(any(ObjectIdentity.class), anyList())).willReturn(acl);
+		given(acl.isGranted(anyList(), anyList(), eq(false))).willReturn(true);
 		assertThat(pe.hasPermission(mock(Authentication.class), new Object(), "write")).isTrue();
-
 		Locale.setDefault(systemLocale);
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/TargetObject.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
 /**

acl/src/test/java/org/springframework/security/acls/TargetObjectWithUUID.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls;
 
 import java.util.UUID;
@@ -27,10 +28,11 @@ public final class TargetObjectWithUUID {
 	private UUID id;
 
 	public UUID getId() {
-		return id;
+		return this.id;
 	}
 
 	public void setId(UUID id) {
 		this.id = id;
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/afterinvocation/AclEntryAfterInvocationCollectionFilteringProviderTests.java

@@ -13,46 +13,54 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.afterinvocation;
-
 
-import static org.assertj.core.api.Assertions.*;
+package org.springframework.security.acls.afterinvocation;
 
-import static org.mockito.Mockito.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 import org.junit.Test;
+
 import org.springframework.security.access.ConfigAttribute;
 import org.springframework.security.access.SecurityConfig;
-import org.springframework.security.acls.model.*;
+import org.springframework.security.acls.model.Acl;
+import org.springframework.security.acls.model.AclService;
+import org.springframework.security.acls.model.ObjectIdentity;
+import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
+import org.springframework.security.acls.model.Permission;
+import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 
 /**
  * @author Luke Taylor
  */
 @SuppressWarnings({ "unchecked" })
 public class AclEntryAfterInvocationCollectionFilteringProviderTests {
+
 	@Test
 	public void objectsAreRemovedIfPermissionDenied() {
 		AclService service = mock(AclService.class);
 		Acl acl = mock(Acl.class);
-		when(acl.isGranted(any(), any(), anyBoolean())).thenReturn(
-				false);
-		when(service.readAclById(any(), any())).thenReturn(
-				acl);
+		given(acl.isGranted(any(), any(), anyBoolean())).willReturn(false);
+		given(service.readAclById(any(), any())).willReturn(acl);
 		AclEntryAfterInvocationCollectionFilteringProvider provider = new AclEntryAfterInvocationCollectionFilteringProvider(
 				service, Arrays.asList(mock(Permission.class)));
 		provider.setObjectIdentityRetrievalStrategy(mock(ObjectIdentityRetrievalStrategy.class));
 		provider.setProcessDomainObjectClass(Object.class);
 		provider.setSidRetrievalStrategy(mock(SidRetrievalStrategy.class));
-
 		Object returned = provider.decide(mock(Authentication.class), new Object(),
-				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"), new ArrayList(
-						Arrays.asList(new Object(), new Object())));
+				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"),
+				new ArrayList(Arrays.asList(new Object(), new Object())));
 		assertThat(returned).isInstanceOf(List.class);
 		assertThat(((List) returned)).isEmpty();
 		returned = provider.decide(mock(Authentication.class), new Object(),
@@ -67,11 +75,8 @@ public class AclEntryAfterInvocationCollectionFilteringProviderTests {
 		AclEntryAfterInvocationCollectionFilteringProvider provider = new AclEntryAfterInvocationCollectionFilteringProvider(
 				mock(AclService.class), Arrays.asList(mock(Permission.class)));
 		Object returned = new Object();
-
-		assertThat(returned)
-			.isSameAs(
-				provider.decide(mock(Authentication.class), new Object(),
-						Collections.<ConfigAttribute> emptyList(), returned));
+		assertThat(returned).isSameAs(provider.decide(mock(Authentication.class), new Object(),
+				Collections.<ConfigAttribute>emptyList(), returned));
 	}
 
 	@Test
@@ -79,10 +84,8 @@ public class AclEntryAfterInvocationCollectionFilteringProviderTests {
 		AclService service = mock(AclService.class);
 		AclEntryAfterInvocationCollectionFilteringProvider provider = new AclEntryAfterInvocationCollectionFilteringProvider(
 				service, Arrays.asList(mock(Permission.class)));
-
 		assertThat(provider.decide(mock(Authentication.class), new Object(),
-				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"), null))
-				.isNull();
+				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"), null)).isNull();
 		verify(service, never()).readAclById(any(ObjectIdentity.class), any(List.class));
 	}
 

acl/src/test/java/org/springframework/security/acls/afterinvocation/AclEntryAfterInvocationProviderTests.java

@@ -13,22 +13,36 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.afterinvocation;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 import org.junit.Test;
+
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.ConfigAttribute;
 import org.springframework.security.access.SecurityConfig;
-import org.springframework.security.acls.model.*;
+import org.springframework.security.acls.model.Acl;
+import org.springframework.security.acls.model.AclService;
+import org.springframework.security.acls.model.NotFoundException;
+import org.springframework.security.acls.model.ObjectIdentity;
+import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
+import org.springframework.security.acls.model.Permission;
+import org.springframework.security.acls.model.SidRetrievalStrategy;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.SpringSecurityMessageSource;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 
 /**
  * @author Luke Taylor
@@ -44,74 +58,56 @@ public class AclEntryAfterInvocationProviderTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-		new AclEntryAfterInvocationProvider(mock(AclService.class),
-				Collections.<Permission> emptyList());
+		new AclEntryAfterInvocationProvider(mock(AclService.class), Collections.<Permission>emptyList());
 	}
 
 	@Test
 	public void accessIsAllowedIfPermissionIsGranted() {
 		AclService service = mock(AclService.class);
 		Acl acl = mock(Acl.class);
-		when(acl.isGranted(any(List.class), any(List.class), anyBoolean())).thenReturn(
-				true);
-		when(service.readAclById(any(), any())).thenReturn(
-				acl);
-		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(
-				service, Arrays.asList(mock(Permission.class)));
+		given(acl.isGranted(any(List.class), any(List.class), anyBoolean())).willReturn(true);
+		given(service.readAclById(any(), any())).willReturn(acl);
+		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(service,
+				Arrays.asList(mock(Permission.class)));
 		provider.setMessageSource(new SpringSecurityMessageSource());
 		provider.setObjectIdentityRetrievalStrategy(mock(ObjectIdentityRetrievalStrategy.class));
 		provider.setProcessDomainObjectClass(Object.class);
 		provider.setSidRetrievalStrategy(mock(SidRetrievalStrategy.class));
 		Object returned = new Object();
-
-		assertThat(
-				returned)
-			.isSameAs(
-				provider.decide(mock(Authentication.class), new Object(),
-						SecurityConfig.createList("AFTER_ACL_READ"), returned));
+		assertThat(returned).isSameAs(provider.decide(mock(Authentication.class), new Object(),
+				SecurityConfig.createList("AFTER_ACL_READ"), returned));
 	}
 
 	@Test
 	public void accessIsGrantedIfNoAttributesDefined() {
-		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(
-				mock(AclService.class), Arrays.asList(mock(Permission.class)));
+		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(mock(AclService.class),
+				Arrays.asList(mock(Permission.class)));
 		Object returned = new Object();
-
-		assertThat(
-				returned)
-			.isSameAs(
-				provider.decide(mock(Authentication.class), new Object(),
-						Collections.<ConfigAttribute> emptyList(), returned));
+		assertThat(returned).isSameAs(provider.decide(mock(Authentication.class), new Object(),
+				Collections.<ConfigAttribute>emptyList(), returned));
 	}
 
 	@Test
 	public void accessIsGrantedIfObjectTypeNotSupported() {
-		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(
-				mock(AclService.class), Arrays.asList(mock(Permission.class)));
+		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(mock(AclService.class),
+				Arrays.asList(mock(Permission.class)));
 		provider.setProcessDomainObjectClass(String.class);
 		// Not a String
 		Object returned = new Object();
-
-		assertThat(
-				returned)
-			.isSameAs(
-				provider.decide(mock(Authentication.class), new Object(),
-						SecurityConfig.createList("AFTER_ACL_READ"), returned));
+		assertThat(returned).isSameAs(provider.decide(mock(Authentication.class), new Object(),
+				SecurityConfig.createList("AFTER_ACL_READ"), returned));
 	}
 
 	@Test(expected = AccessDeniedException.class)
 	public void accessIsDeniedIfPermissionIsNotGranted() {
 		AclService service = mock(AclService.class);
 		Acl acl = mock(Acl.class);
-		when(acl.isGranted(any(List.class), any(List.class), anyBoolean())).thenReturn(
-				false);
+		given(acl.isGranted(any(List.class), any(List.class), anyBoolean())).willReturn(false);
 		// Try a second time with no permissions found
-		when(acl.isGranted(any(), any(List.class), anyBoolean())).thenThrow(
-				new NotFoundException(""));
-		when(service.readAclById(any(), any())).thenReturn(
-				acl);
-		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(
-				service, Arrays.asList(mock(Permission.class)));
+		given(acl.isGranted(any(), any(List.class), anyBoolean())).willThrow(new NotFoundException(""));
+		given(service.readAclById(any(), any())).willReturn(acl);
+		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(service,
+				Arrays.asList(mock(Permission.class)));
 		provider.setProcessConfigAttribute("MY_ATTRIBUTE");
 		provider.setMessageSource(new SpringSecurityMessageSource());
 		provider.setObjectIdentityRetrievalStrategy(mock(ObjectIdentityRetrievalStrategy.class));
@@ -119,8 +115,7 @@ public class AclEntryAfterInvocationProviderTests {
 		provider.setSidRetrievalStrategy(mock(SidRetrievalStrategy.class));
 		try {
 			provider.decide(mock(Authentication.class), new Object(),
-					SecurityConfig.createList("UNSUPPORTED", "MY_ATTRIBUTE"),
-					new Object());
+					SecurityConfig.createList("UNSUPPORTED", "MY_ATTRIBUTE"), new Object());
 			fail("Expected Exception");
 		}
 		catch (AccessDeniedException expected) {
@@ -133,12 +128,11 @@ public class AclEntryAfterInvocationProviderTests {
 	@Test
 	public void nullReturnObjectIsIgnored() {
 		AclService service = mock(AclService.class);
-		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(
-				service, Arrays.asList(mock(Permission.class)));
-
+		AclEntryAfterInvocationProvider provider = new AclEntryAfterInvocationProvider(service,
+				Arrays.asList(mock(Permission.class)));
 		assertThat(provider.decide(mock(Authentication.class), new Object(),
-				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"), null))
-			.isNull();
+				SecurityConfig.createList("AFTER_ACL_COLLECTION_READ"), null)).isNull();
 		verify(service, never()).readAclById(any(ObjectIdentity.class), any(List.class));
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/AccessControlImplEntryTests.java

@@ -13,18 +13,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls.domain;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.model.AccessControlEntry;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.AuditableAccessControlEntry;
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.acls.model.Sid;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
 /**
  * Tests for {@link AccessControlEntryImpl}.
  *
@@ -32,33 +36,26 @@ import org.springframework.security.acls.model.Sid;
  */
 public class AccessControlImplEntryTests {
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Test
 	public void testConstructorRequiredFields() {
 		// Check Acl field is present
 		try {
-			new AccessControlEntryImpl(null, null, new PrincipalSid("johndoe"),
-					BasePermission.ADMINISTRATION, true, true, true);
+			new AccessControlEntryImpl(null, null, new PrincipalSid("johndoe"), BasePermission.ADMINISTRATION, true,
+					true, true);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// Check Sid field is present
 		try {
-			new AccessControlEntryImpl(null, mock(Acl.class), null,
-					BasePermission.ADMINISTRATION, true, true, true);
+			new AccessControlEntryImpl(null, mock(Acl.class), null, BasePermission.ADMINISTRATION, true, true, true);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// Check Permission field is present
 		try {
-			new AccessControlEntryImpl(null, mock(Acl.class),
-					new PrincipalSid("johndoe"), null, true, true, true);
+			new AccessControlEntryImpl(null, mock(Acl.class), new PrincipalSid("johndoe"), null, true, true, true);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
@@ -69,11 +66,9 @@ public class AccessControlImplEntryTests {
 	public void testAccessControlEntryImplGetters() {
 		Acl mockAcl = mock(Acl.class);
 		Sid sid = new PrincipalSid("johndoe");
-
 		// Create a sample entry
-		AccessControlEntry ace = new AccessControlEntryImpl(1L, mockAcl,
-				sid, BasePermission.ADMINISTRATION, true, true, true);
-
+		AccessControlEntry ace = new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, true, true,
+				true);
 		// and check every get() method
 		assertThat(ace.getId()).isEqualTo(1L);
 		assertThat(ace.getAcl()).isEqualTo(mockAcl);
@@ -88,30 +83,27 @@ public class AccessControlImplEntryTests {
 	public void testEquals() {
 		final Acl mockAcl = mock(Acl.class);
 		final ObjectIdentity oid = mock(ObjectIdentity.class);
-
-		when(mockAcl.getObjectIdentity()).thenReturn(oid);
+		given(mockAcl.getObjectIdentity()).willReturn(oid);
 		Sid sid = new PrincipalSid("johndoe");
-
-		AccessControlEntry ace = new AccessControlEntryImpl(1L, mockAcl,
-				sid, BasePermission.ADMINISTRATION, true, true, true);
-
+		AccessControlEntry ace = new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, true, true,
+				true);
 		assertThat(ace).isNotNull();
 		assertThat(ace).isNotEqualTo(100L);
 		assertThat(ace).isEqualTo(ace);
-		assertThat(ace).isEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid,
-				BasePermission.ADMINISTRATION, true, true, true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(2L, mockAcl, sid,
+		assertThat(ace).isEqualTo(
+				new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, true, true, true));
+		assertThat(ace).isNotEqualTo(
+				new AccessControlEntryImpl(2L, mockAcl, sid, BasePermission.ADMINISTRATION, true, true, true));
+		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, new PrincipalSid("scott"),
 				BasePermission.ADMINISTRATION, true, true, true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl,
-				new PrincipalSid("scott"), BasePermission.ADMINISTRATION, true, true,
-				true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid,
-				BasePermission.WRITE, true, true, true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid,
-				BasePermission.ADMINISTRATION, false, true, true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid,
-				BasePermission.ADMINISTRATION, true, false, true));
-		assertThat(ace).isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid,
-				BasePermission.ADMINISTRATION, true, true, false));
+		assertThat(ace)
+				.isNotEqualTo(new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.WRITE, true, true, true));
+		assertThat(ace).isNotEqualTo(
+				new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, false, true, true));
+		assertThat(ace).isNotEqualTo(
+				new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, true, false, true));
+		assertThat(ace).isNotEqualTo(
+				new AccessControlEntryImpl(1L, mockAcl, sid, BasePermission.ADMINISTRATION, true, true, false));
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/AclAuthorizationStrategyImplTests.java

@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
+package org.springframework.security.acls.domain;
 
 import java.util.Arrays;
 
@@ -24,6 +24,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
+
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
@@ -31,21 +32,24 @@ import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 
 /**
- *
  * @author Rob Winch
  *
  */
 @RunWith(MockitoJUnitRunner.class)
 public class AclAuthorizationStrategyImplTests {
+
 	@Mock
 	Acl acl;
+
 	GrantedAuthority authority;
+
 	AclAuthorizationStrategyImpl strategy;
 
 	@Before
 	public void setup() {
-		authority = new SimpleGrantedAuthority("ROLE_AUTH");
-		TestingAuthenticationToken authentication = new TestingAuthenticationToken("foo", "bar", Arrays.asList(authority));
+		this.authority = new SimpleGrantedAuthority("ROLE_AUTH");
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("foo", "bar",
+				Arrays.asList(this.authority));
 		authentication.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(authentication);
 	}
@@ -58,15 +62,18 @@ public class AclAuthorizationStrategyImplTests {
 	// gh-4085
 	@Test
 	public void securityCheckWhenCustomAuthorityThenNameIsUsed() {
-		strategy = new AclAuthorizationStrategyImpl(new CustomAuthority());
-		strategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_GENERAL);
+		this.strategy = new AclAuthorizationStrategyImpl(new CustomAuthority());
+		this.strategy.securityCheck(this.acl, AclAuthorizationStrategy.CHANGE_GENERAL);
 	}
 
 	@SuppressWarnings("serial")
 	class CustomAuthority implements GrantedAuthority {
+
 		@Override
 		public String getAuthority() {
-			return authority.getAuthority();
+			return AclAuthorizationStrategyImplTests.this.authority.getAuthority();
 		}
+
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/AclImplTests.java

@@ -13,21 +13,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls.domain;
 
-import org.junit.*;
-import org.springframework.security.acls.model.*;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.security.acls.model.AccessControlEntry;
+import org.springframework.security.acls.model.Acl;
+import org.springframework.security.acls.model.AlreadyExistsException;
+import org.springframework.security.acls.model.AuditableAccessControlEntry;
+import org.springframework.security.acls.model.AuditableAcl;
+import org.springframework.security.acls.model.ChildrenExistException;
+import org.springframework.security.acls.model.MutableAcl;
+import org.springframework.security.acls.model.MutableAclService;
+import org.springframework.security.acls.model.NotFoundException;
+import org.springframework.security.acls.model.ObjectIdentity;
+import org.springframework.security.acls.model.Permission;
+import org.springframework.security.acls.model.PermissionGrantingStrategy;
+import org.springframework.security.acls.model.Sid;
 import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.util.FieldUtils;
 
-import java.lang.reflect.Field;
-import java.util.*;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+import static org.mockito.Mockito.mock;
 
 /**
  * Tests for {@link AclImpl}.
@@ -35,33 +55,41 @@ import java.util.*;
  * @author Andrei Stefan
  */
 public class AclImplTests {
+
 	private static final String TARGET_CLASS = "org.springframework.security.acls.TargetObject";
+
 	private static final List<Permission> READ = Arrays.asList(BasePermission.READ);
+
 	private static final List<Permission> WRITE = Arrays.asList(BasePermission.WRITE);
+
 	private static final List<Permission> CREATE = Arrays.asList(BasePermission.CREATE);
+
 	private static final List<Permission> DELETE = Arrays.asList(BasePermission.DELETE);
+
 	private static final List<Sid> SCOTT = Arrays.asList((Sid) new PrincipalSid("scott"));
+
 	private static final List<Sid> BEN = Arrays.asList((Sid) new PrincipalSid("ben"));
 
-	Authentication auth = new TestingAuthenticationToken("joe", "ignored",
-			"ROLE_ADMINISTRATOR");
+	Authentication auth = new TestingAuthenticationToken("joe", "ignored", "ROLE_ADMINISTRATOR");
+
 	AclAuthorizationStrategy authzStrategy;
+
 	PermissionGrantingStrategy pgs;
+
 	AuditLogger mockAuditLogger;
+
 	ObjectIdentity objectIdentity = new ObjectIdentityImpl(TARGET_CLASS, 100);
-	private DefaultPermissionFactory permissionFactory;
 
-	// ~ Methods
-	// ========================================================================================================
+	private DefaultPermissionFactory permissionFactory;
 
 	@Before
 	public void setUp() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-		authzStrategy = mock(AclAuthorizationStrategy.class);
-		mockAuditLogger = mock(AuditLogger.class);
-		pgs = new DefaultPermissionGrantingStrategy(mockAuditLogger);
-		auth.setAuthenticated(true);
-		permissionFactory = new DefaultPermissionFactory();
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		this.authzStrategy = mock(AclAuthorizationStrategy.class);
+		this.mockAuditLogger = mock(AuditLogger.class);
+		this.pgs = new DefaultPermissionGrantingStrategy(this.mockAuditLogger);
+		this.auth.setAuthenticated(true);
+		this.permissionFactory = new DefaultPermissionFactory();
 	}
 
 	@After
@@ -72,44 +100,43 @@ public class AclImplTests {
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorsRejectNullObjectIdentity() {
 		try {
-			new AclImpl(null, 1, authzStrategy, pgs, null, null, true, new PrincipalSid(
-					"joe"));
+			new AclImpl(null, 1, this.authzStrategy, this.pgs, null, null, true, new PrincipalSid("joe"));
 			fail("Should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-		new AclImpl(null, 1, authzStrategy, mockAuditLogger);
+		new AclImpl(null, 1, this.authzStrategy, this.mockAuditLogger);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorsRejectNullId() {
 		try {
-			new AclImpl(objectIdentity, null, authzStrategy, pgs, null, null, true,
+			new AclImpl(this.objectIdentity, null, this.authzStrategy, this.pgs, null, null, true,
 					new PrincipalSid("joe"));
 			fail("Should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-		new AclImpl(objectIdentity, null, authzStrategy, mockAuditLogger);
+		new AclImpl(this.objectIdentity, null, this.authzStrategy, this.mockAuditLogger);
 	}
 
 	@SuppressWarnings("deprecation")
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorsRejectNullAclAuthzStrategy() {
 		try {
-			new AclImpl(objectIdentity, 1, null, new DefaultPermissionGrantingStrategy(
-					mockAuditLogger), null, null, true, new PrincipalSid("joe"));
+			new AclImpl(this.objectIdentity, 1, null, new DefaultPermissionGrantingStrategy(this.mockAuditLogger), null,
+					null, true, new PrincipalSid("joe"));
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-		new AclImpl(objectIdentity, 1, null, mockAuditLogger);
+		new AclImpl(this.objectIdentity, 1, null, this.mockAuditLogger);
 	}
 
 	@Test
 	public void insertAceRejectsNullParameters() {
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		try {
 			acl.insertAce(0, null, new GrantedAuthoritySid("ROLE_IGNORED"), true);
 			fail("It should have thrown IllegalArgumentException");
@@ -126,10 +153,9 @@ public class AclImplTests {
 
 	@Test
 	public void insertAceAddsElementAtCorrectIndex() {
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-
 		// Insert one permission
 		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST1"), true);
 		service.updateAcl(acl);
@@ -137,9 +163,7 @@ public class AclImplTests {
 		assertThat(acl.getEntries()).hasSize(1);
 		assertThat(acl).isEqualTo(acl.getEntries().get(0).getAcl());
 		assertThat(BasePermission.READ).isEqualTo(acl.getEntries().get(0).getPermission());
-		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST1"));
-
+		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST1"));
 		// Add a second permission
 		acl.insertAce(1, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST2"), true);
 		service.updateAcl(acl);
@@ -147,71 +171,54 @@ public class AclImplTests {
 		assertThat(acl.getEntries()).hasSize(2);
 		assertThat(acl).isEqualTo(acl.getEntries().get(1).getAcl());
 		assertThat(BasePermission.READ).isEqualTo(acl.getEntries().get(1).getPermission());
-		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST2"));
-
+		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST2"));
 		// Add a third permission, after the first one
-		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_TEST3"),
-				false);
+		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_TEST3"), false);
 		service.updateAcl(acl);
 		assertThat(acl.getEntries()).hasSize(3);
 		// Check the third entry was added between the two existent ones
 		assertThat(BasePermission.READ).isEqualTo(acl.getEntries().get(0).getPermission());
-		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST1"));
+		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST1"));
 		assertThat(BasePermission.WRITE).isEqualTo(acl.getEntries().get(1).getPermission());
-		assertThat(acl.getEntries().get(1).getSid()).isEqualTo( new GrantedAuthoritySid(
-				"ROLE_TEST3"));
+		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST3"));
 		assertThat(BasePermission.READ).isEqualTo(acl.getEntries().get(2).getPermission());
-		assertThat(acl.getEntries().get(2).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST2"));
+		assertThat(acl.getEntries().get(2).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST2"));
 	}
 
 	@Test(expected = NotFoundException.class)
 	public void insertAceFailsForNonExistentElement() {
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-
 		// Insert one permission
 		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST1"), true);
 		service.updateAcl(acl);
-
-		acl.insertAce(55, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST2"),
-				true);
+		acl.insertAce(55, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST2"), true);
 	}
 
 	@Test
 	public void deleteAceKeepsInitialOrdering() {
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-
 		// Add several permissions
 		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST1"), true);
 		acl.insertAce(1, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST2"), true);
 		acl.insertAce(2, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST3"), true);
 		service.updateAcl(acl);
-
 		// Delete first permission and check the order of the remaining permissions is
 		// kept
 		acl.deleteAce(0);
 		assertThat(acl.getEntries()).hasSize(2);
-		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST2"));
-		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST3"));
-
+		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST2"));
+		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST3"));
 		// Add one more permission and remove the permission in the middle
 		acl.insertAce(2, BasePermission.READ, new GrantedAuthoritySid("ROLE_TEST4"), true);
 		service.updateAcl(acl);
 		acl.deleteAce(1);
 		assertThat(acl.getEntries()).hasSize(2);
-		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST2"));
-		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid(
-				"ROLE_TEST4"));
-
+		assertThat(acl.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST2"));
+		assertThat(acl.getEntries().get(1).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST4"));
 		// Remove remaining permissions
 		acl.deleteAce(1);
 		acl.deleteAce(0);
@@ -221,10 +228,10 @@ public class AclImplTests {
 	@Test
 	public void deleteAceFailsForNonExistentElement() {
 		AclAuthorizationStrategyImpl strategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-		MutableAcl acl = new AclImpl(objectIdentity, (1), strategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, (1), strategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		try {
 			acl.deleteAce(99);
 			fail("It should have thrown NotFoundException");
@@ -235,8 +242,8 @@ public class AclImplTests {
 
 	@Test
 	public void isGrantingRejectsEmptyParameters() {
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		Sid ben = new PrincipalSid("ben");
 		try {
 			acl.isGranted(new ArrayList<>(0), Arrays.asList(ben), false);
@@ -254,28 +261,21 @@ public class AclImplTests {
 
 	@Test
 	public void isGrantingGrantsAccessForAclWithNoParent() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_GENERAL", "ROLE_GUEST");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_GENERAL", "ROLE_GUEST");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
 		ObjectIdentity rootOid = new ObjectIdentityImpl(TARGET_CLASS, 100);
-
 		// Create an ACL which owner is not the authenticated principal
-		MutableAcl rootAcl = new AclImpl(rootOid, 1, authzStrategy, pgs, null, null,
-				false, new PrincipalSid("joe"));
-
+		MutableAcl rootAcl = new AclImpl(rootOid, 1, this.authzStrategy, this.pgs, null, null, false,
+				new PrincipalSid("joe"));
 		// Grant some permissions
 		rootAcl.insertAce(0, BasePermission.READ, new PrincipalSid("ben"), false);
 		rootAcl.insertAce(1, BasePermission.WRITE, new PrincipalSid("scott"), true);
 		rootAcl.insertAce(2, BasePermission.WRITE, new PrincipalSid("rod"), false);
-		rootAcl.insertAce(3, BasePermission.WRITE, new GrantedAuthoritySid(
-				"WRITE_ACCESS_ROLE"), true);
-
+		rootAcl.insertAce(3, BasePermission.WRITE, new GrantedAuthoritySid("WRITE_ACCESS_ROLE"), true);
 		// Check permissions granting
-		List<Permission> permissions = Arrays.asList(BasePermission.READ,
-				BasePermission.CREATE);
-		List<Sid> sids = Arrays.asList(new PrincipalSid("ben"), new GrantedAuthoritySid(
-				"ROLE_GUEST"));
+		List<Permission> permissions = Arrays.asList(BasePermission.READ, BasePermission.CREATE);
+		List<Sid> sids = Arrays.asList(new PrincipalSid("ben"), new GrantedAuthoritySid("ROLE_GUEST"));
 		assertThat(rootAcl.isGranted(permissions, sids, false)).isFalse();
 		try {
 			rootAcl.isGranted(permissions, SCOTT, false);
@@ -284,14 +284,14 @@ public class AclImplTests {
 		catch (NotFoundException expected) {
 		}
 		assertThat(rootAcl.isGranted(WRITE, SCOTT, false)).isTrue();
-		assertThat(rootAcl.isGranted(WRITE, Arrays.asList(new PrincipalSid("rod"),
-				new GrantedAuthoritySid("WRITE_ACCESS_ROLE")), false)).isFalse();
-		assertThat(rootAcl.isGranted(WRITE, Arrays.asList(new GrantedAuthoritySid(
-				"WRITE_ACCESS_ROLE"), new PrincipalSid("rod")), false)).isTrue();
+		assertThat(rootAcl.isGranted(WRITE,
+				Arrays.asList(new PrincipalSid("rod"), new GrantedAuthoritySid("WRITE_ACCESS_ROLE")), false)).isFalse();
+		assertThat(rootAcl.isGranted(WRITE,
+				Arrays.asList(new GrantedAuthoritySid("WRITE_ACCESS_ROLE"), new PrincipalSid("rod")), false)).isTrue();
 		try {
 			// Change the type of the Sid and check the granting process
-			rootAcl.isGranted(WRITE, Arrays.asList(new GrantedAuthoritySid("rod"),
-					new PrincipalSid("WRITE_ACCESS_ROLE")), false);
+			rootAcl.isGranted(WRITE,
+					Arrays.asList(new GrantedAuthoritySid("rod"), new PrincipalSid("WRITE_ACCESS_ROLE")), false);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
@@ -300,8 +300,7 @@ public class AclImplTests {
 
 	@Test
 	public void isGrantingGrantsAccessForInheritableAcls() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
 		ObjectIdentity grandParentOid = new ObjectIdentityImpl(TARGET_CLASS, 100);
@@ -309,60 +308,44 @@ public class AclImplTests {
 		ObjectIdentity parentOid2 = new ObjectIdentityImpl(TARGET_CLASS, 102);
 		ObjectIdentity childOid1 = new ObjectIdentityImpl(TARGET_CLASS, 103);
 		ObjectIdentity childOid2 = new ObjectIdentityImpl(TARGET_CLASS, 104);
-
 		// Create ACLs
 		PrincipalSid joe = new PrincipalSid("joe");
-		MutableAcl grandParentAcl = new AclImpl(grandParentOid, 1, authzStrategy, pgs,
-				null, null, false, joe);
-		MutableAcl parentAcl1 = new AclImpl(parentOid1, 2, authzStrategy, pgs, null,
-				null, true, joe);
-		MutableAcl parentAcl2 = new AclImpl(parentOid2, 3, authzStrategy, pgs, null,
-				null, true, joe);
-		MutableAcl childAcl1 = new AclImpl(childOid1, 4, authzStrategy, pgs, null, null,
-				true, joe);
-		MutableAcl childAcl2 = new AclImpl(childOid2, 4, authzStrategy, pgs, null, null,
-				false, joe);
-
+		MutableAcl grandParentAcl = new AclImpl(grandParentOid, 1, this.authzStrategy, this.pgs, null, null, false,
+				joe);
+		MutableAcl parentAcl1 = new AclImpl(parentOid1, 2, this.authzStrategy, this.pgs, null, null, true, joe);
+		MutableAcl parentAcl2 = new AclImpl(parentOid2, 3, this.authzStrategy, this.pgs, null, null, true, joe);
+		MutableAcl childAcl1 = new AclImpl(childOid1, 4, this.authzStrategy, this.pgs, null, null, true, joe);
+		MutableAcl childAcl2 = new AclImpl(childOid2, 4, this.authzStrategy, this.pgs, null, null, false, joe);
 		// Create hierarchies
 		childAcl2.setParent(childAcl1);
 		childAcl1.setParent(parentAcl1);
 		parentAcl2.setParent(grandParentAcl);
 		parentAcl1.setParent(grandParentAcl);
-
 		// Add some permissions
-		grandParentAcl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid(
-				"ROLE_USER_READ"), true);
+		grandParentAcl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"), true);
 		grandParentAcl.insertAce(1, BasePermission.WRITE, new PrincipalSid("ben"), true);
-		grandParentAcl
-				.insertAce(2, BasePermission.DELETE, new PrincipalSid("ben"), false);
-		grandParentAcl.insertAce(3, BasePermission.DELETE, new PrincipalSid("scott"),
-				true);
+		grandParentAcl.insertAce(2, BasePermission.DELETE, new PrincipalSid("ben"), false);
+		grandParentAcl.insertAce(3, BasePermission.DELETE, new PrincipalSid("scott"), true);
 		parentAcl1.insertAce(0, BasePermission.READ, new PrincipalSid("scott"), true);
 		parentAcl1.insertAce(1, BasePermission.DELETE, new PrincipalSid("scott"), false);
 		parentAcl2.insertAce(0, BasePermission.CREATE, new PrincipalSid("ben"), true);
 		childAcl1.insertAce(0, BasePermission.CREATE, new PrincipalSid("scott"), true);
-
 		// Check granting process for parent1
 		assertThat(parentAcl1.isGranted(READ, SCOTT, false)).isTrue();
-		assertThat(parentAcl1.isGranted(READ,
-				Arrays.asList((Sid) new GrantedAuthoritySid("ROLE_USER_READ")), false))
+		assertThat(parentAcl1.isGranted(READ, Arrays.asList((Sid) new GrantedAuthoritySid("ROLE_USER_READ")), false))
 				.isTrue();
 		assertThat(parentAcl1.isGranted(WRITE, BEN, false)).isTrue();
 		assertThat(parentAcl1.isGranted(DELETE, BEN, false)).isFalse();
 		assertThat(parentAcl1.isGranted(DELETE, SCOTT, false)).isFalse();
-
 		// Check granting process for parent2
 		assertThat(parentAcl2.isGranted(CREATE, BEN, false)).isTrue();
 		assertThat(parentAcl2.isGranted(WRITE, BEN, false)).isTrue();
 		assertThat(parentAcl2.isGranted(DELETE, BEN, false)).isFalse();
-
 		// Check granting process for child1
 		assertThat(childAcl1.isGranted(CREATE, SCOTT, false)).isTrue();
-		assertThat(childAcl1.isGranted(READ,
-				Arrays.asList((Sid) new GrantedAuthoritySid("ROLE_USER_READ")), false))
+		assertThat(childAcl1.isGranted(READ, Arrays.asList((Sid) new GrantedAuthoritySid("ROLE_USER_READ")), false))
 				.isTrue();
 		assertThat(childAcl1.isGranted(DELETE, BEN, false)).isFalse();
-
 		// Check granting process for child2 (doesn't inherit the permissions from its
 		// parent)
 		try {
@@ -372,8 +355,7 @@ public class AclImplTests {
 		catch (NotFoundException expected) {
 		}
 		try {
-			childAcl2.isGranted(CREATE,
-					Arrays.asList((Sid) new PrincipalSid("joe")), false);
+			childAcl2.isGranted(CREATE, Arrays.asList((Sid) new PrincipalSid("joe")), false);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
@@ -382,30 +364,23 @@ public class AclImplTests {
 
 	@Test
 	public void updatedAceValuesAreCorrectlyReflectedInAcl() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				false, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, false,
+				new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-
-		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
-		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
+		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"), true);
+		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"), true);
 		acl.insertAce(2, BasePermission.CREATE, new PrincipalSid("ben"), true);
 		service.updateAcl(acl);
-
 		assertThat(BasePermission.READ).isEqualTo(acl.getEntries().get(0).getPermission());
 		assertThat(BasePermission.WRITE).isEqualTo(acl.getEntries().get(1).getPermission());
 		assertThat(BasePermission.CREATE).isEqualTo(acl.getEntries().get(2).getPermission());
-
 		// Change each permission
 		acl.updateAce(0, BasePermission.CREATE);
 		acl.updateAce(1, BasePermission.DELETE);
 		acl.updateAce(2, BasePermission.READ);
-
 		// Check the change was successfully made
 		assertThat(BasePermission.CREATE).isEqualTo(acl.getEntries().get(0).getPermission());
 		assertThat(BasePermission.DELETE).isEqualTo(acl.getEntries().get(1).getPermission());
@@ -414,37 +389,22 @@ public class AclImplTests {
 
 	@Test
 	public void auditableEntryFlagsAreUpdatedCorrectly() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_AUDITING", "ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_AUDITING", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				false, new PrincipalSid("joe"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, false,
+				new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-
-		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
-		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
+		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"), true);
+		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"), true);
 		service.updateAcl(acl);
-
-		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(0))
-				.isAuditFailure())
-			.isFalse();
-		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(1))
-				.isAuditFailure())
-			.isFalse();
-		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(0))
-				.isAuditSuccess())
-			.isFalse();
-		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(1))
-				.isAuditSuccess())
-			.isFalse();
-
+		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(0)).isAuditFailure()).isFalse();
+		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(1)).isAuditFailure()).isFalse();
+		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(0)).isAuditSuccess()).isFalse();
+		assertThat(((AuditableAccessControlEntry) acl.getEntries().get(1)).isAuditSuccess()).isFalse();
 		// Change each permission
 		((AuditableAcl) acl).updateAuditing(0, true, true);
 		((AuditableAcl) acl).updateAuditing(1, true, true);
-
 		// Check the change was successfuly made
 		assertThat(acl.getEntries()).extracting("auditSuccess").containsOnly(true, true);
 		assertThat(acl.getEntries()).extracting("auditFailure").containsOnly(true, true);
@@ -452,86 +412,74 @@ public class AclImplTests {
 
 	@Test
 	public void gettersAndSettersAreConsistent() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, (100));
 		ObjectIdentity identity2 = new ObjectIdentityImpl(TARGET_CLASS, (101));
-		MutableAcl acl = new AclImpl(identity, 1, authzStrategy, pgs, null, null, true,
+		MutableAcl acl = new AclImpl(identity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
+		MutableAcl parentAcl = new AclImpl(identity2, 2, this.authzStrategy, this.pgs, null, null, true,
 				new PrincipalSid("joe"));
-		MutableAcl parentAcl = new AclImpl(identity2, 2, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
 		MockAclService service = new MockAclService();
-		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
-		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"),
-				true);
+		acl.insertAce(0, BasePermission.READ, new GrantedAuthoritySid("ROLE_USER_READ"), true);
+		acl.insertAce(1, BasePermission.WRITE, new GrantedAuthoritySid("ROLE_USER_READ"), true);
 		service.updateAcl(acl);
-
 		assertThat(1).isEqualTo(acl.getId());
 		assertThat(identity).isEqualTo(acl.getObjectIdentity());
 		assertThat(new PrincipalSid("joe")).isEqualTo(acl.getOwner());
 		assertThat(acl.getParentAcl()).isNull();
 		assertThat(acl.isEntriesInheriting()).isTrue();
 		assertThat(acl.getEntries()).hasSize(2);
-
 		acl.setParent(parentAcl);
 		assertThat(parentAcl).isEqualTo(acl.getParentAcl());
-
 		acl.setEntriesInheriting(false);
 		assertThat(acl.isEntriesInheriting()).isFalse();
-
 		acl.setOwner(new PrincipalSid("ben"));
 		assertThat(new PrincipalSid("ben")).isEqualTo(acl.getOwner());
 	}
 
 	@Test
 	public void isSidLoadedBehavesAsExpected() {
-		List<Sid> loadedSids = Arrays.asList(new PrincipalSid("ben"),
-				new GrantedAuthoritySid("ROLE_IGNORED"));
-		MutableAcl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null,
-				loadedSids, true, new PrincipalSid("joe"));
-
+		List<Sid> loadedSids = Arrays.asList(new PrincipalSid("ben"), new GrantedAuthoritySid("ROLE_IGNORED"));
+		MutableAcl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, loadedSids, true,
+				new PrincipalSid("joe"));
 		assertThat(acl.isSidLoaded(loadedSids)).isTrue();
-		assertThat(acl.isSidLoaded(Arrays.asList(new GrantedAuthoritySid("ROLE_IGNORED"),
-				new PrincipalSid("ben"))))
-			.isTrue();
-		assertThat(acl.isSidLoaded(Arrays.asList((Sid) new GrantedAuthoritySid(
-				"ROLE_IGNORED"))))
-			.isTrue();
+		assertThat(acl.isSidLoaded(Arrays.asList(new GrantedAuthoritySid("ROLE_IGNORED"), new PrincipalSid("ben"))))
+				.isTrue();
+		assertThat(acl.isSidLoaded(Arrays.asList((Sid) new GrantedAuthoritySid("ROLE_IGNORED")))).isTrue();
 		assertThat(acl.isSidLoaded(BEN)).isTrue();
 		assertThat(acl.isSidLoaded(null)).isTrue();
 		assertThat(acl.isSidLoaded(new ArrayList<>(0))).isTrue();
-		assertThat(acl.isSidLoaded(Arrays.asList(new GrantedAuthoritySid(
-				"ROLE_IGNORED"), new GrantedAuthoritySid("ROLE_IGNORED"))))
-			.isTrue();
-		assertThat(acl.isSidLoaded(Arrays.asList(new GrantedAuthoritySid(
-				"ROLE_GENERAL"), new GrantedAuthoritySid("ROLE_IGNORED"))))
-			.isFalse();
-		assertThat(acl.isSidLoaded(Arrays.asList(new GrantedAuthoritySid(
-				"ROLE_IGNORED"), new GrantedAuthoritySid("ROLE_GENERAL"))))
-			.isFalse();
+		assertThat(acl.isSidLoaded(
+				Arrays.asList(new GrantedAuthoritySid("ROLE_IGNORED"), new GrantedAuthoritySid("ROLE_IGNORED"))))
+						.isTrue();
+		assertThat(acl.isSidLoaded(
+				Arrays.asList(new GrantedAuthoritySid("ROLE_GENERAL"), new GrantedAuthoritySid("ROLE_IGNORED"))))
+						.isFalse();
+		assertThat(acl.isSidLoaded(
+				Arrays.asList(new GrantedAuthoritySid("ROLE_IGNORED"), new GrantedAuthoritySid("ROLE_GENERAL"))))
+						.isFalse();
 	}
 
 	@Test(expected = NotFoundException.class)
 	public void insertAceRaisesNotFoundExceptionForIndexLessThanZero() {
-		AclImpl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		AclImpl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		acl.insertAce(-1, mock(Permission.class), mock(Sid.class), true);
 	}
 
 	@Test(expected = NotFoundException.class)
 	public void deleteAceRaisesNotFoundExceptionForIndexLessThanZero() {
-		AclImpl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		AclImpl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		acl.deleteAce(-1);
 	}
 
 	@Test(expected = NotFoundException.class)
 	public void insertAceRaisesNotFoundExceptionForIndexGreaterThanSize() {
-		AclImpl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		AclImpl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		// Insert at zero, OK.
 		acl.insertAce(0, mock(Permission.class), mock(Sid.class), true);
 		// Size is now 1
@@ -541,8 +489,8 @@ public class AclImplTests {
 	// SEC-1151
 	@Test(expected = NotFoundException.class)
 	public void deleteAceRaisesNotFoundExceptionForIndexEqualToSize() {
-		AclImpl acl = new AclImpl(objectIdentity, 1, authzStrategy, pgs, null, null,
-				true, new PrincipalSid("joe"));
+		AclImpl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, this.pgs, null, null, true,
+				new PrincipalSid("joe"));
 		acl.insertAce(0, mock(Permission.class), mock(Sid.class), true);
 		// Size is now 1
 		acl.deleteAce(1);
@@ -551,12 +499,9 @@ public class AclImplTests {
 	// SEC-1795
 	@Test
 	public void changingParentIsSuccessful() {
-		AclImpl parentAcl = new AclImpl(objectIdentity, 1L, authzStrategy,
-				mockAuditLogger);
-		AclImpl childAcl = new AclImpl(objectIdentity, 2L, authzStrategy, mockAuditLogger);
-		AclImpl changeParentAcl = new AclImpl(objectIdentity, 3L, authzStrategy,
-				mockAuditLogger);
-
+		AclImpl parentAcl = new AclImpl(this.objectIdentity, 1L, this.authzStrategy, this.mockAuditLogger);
+		AclImpl childAcl = new AclImpl(this.objectIdentity, 2L, this.authzStrategy, this.mockAuditLogger);
+		AclImpl changeParentAcl = new AclImpl(this.objectIdentity, 3L, this.authzStrategy, this.mockAuditLogger);
 		childAcl.setParent(parentAcl);
 		childAcl.setParent(changeParentAcl);
 	}
@@ -564,11 +509,12 @@ public class AclImplTests {
 	// SEC-2342
 	@Test
 	public void maskPermissionGrantingStrategy() {
-		DefaultPermissionGrantingStrategy maskPgs = new MaskPermissionGrantingStrategy(mockAuditLogger);
+		DefaultPermissionGrantingStrategy maskPgs = new MaskPermissionGrantingStrategy(this.mockAuditLogger);
 		MockAclService service = new MockAclService();
-		AclImpl acl = new AclImpl(objectIdentity, 1, authzStrategy, maskPgs, null, null,
-				true, new PrincipalSid("joe"));
-		Permission permission = permissionFactory.buildFromMask(BasePermission.READ.getMask() | BasePermission.WRITE.getMask());
+		AclImpl acl = new AclImpl(this.objectIdentity, 1, this.authzStrategy, maskPgs, null, null, true,
+				new PrincipalSid("joe"));
+		Permission permission = this.permissionFactory
+				.buildFromMask(BasePermission.READ.getMask() | BasePermission.WRITE.getMask());
 		Sid sid = new PrincipalSid("ben");
 		acl.insertAce(0, permission, sid, true);
 		service.updateAcl(acl);
@@ -579,27 +525,21 @@ public class AclImplTests {
 
 	@Test
 	public void hashCodeWithoutStackOverFlow() throws Exception {
-		//given
 		Sid sid = new PrincipalSid("pSid");
 		ObjectIdentity oid = new ObjectIdentityImpl("type", 1);
 		AclAuthorizationStrategy authStrategy = new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("role"));
 		PermissionGrantingStrategy grantingStrategy = new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger());
-
-				AclImpl acl = new AclImpl(oid, 1L, authStrategy, grantingStrategy, null, null, false, sid);
+		AclImpl acl = new AclImpl(oid, 1L, authStrategy, grantingStrategy, null, null, false, sid);
 		AccessControlEntryImpl ace = new AccessControlEntryImpl(1L, acl, sid, BasePermission.READ, true, true, true);
-
-				Field fieldAces = FieldUtils.getField(AclImpl.class, "aces");
+		Field fieldAces = FieldUtils.getField(AclImpl.class, "aces");
 		fieldAces.setAccessible(true);
 		List<AccessControlEntryImpl> aces = (List<AccessControlEntryImpl>) fieldAces.get(acl);
 		aces.add(ace);
-		//when - then none StackOverFlowError been raised
 		ace.hashCode();
 	}
 
-	// ~ Inner Classes
-	// ==================================================================================================
-
 	private static class MaskPermissionGrantingStrategy extends DefaultPermissionGrantingStrategy {
+
 		MaskPermissionGrantingStrategy(AuditLogger auditLogger) {
 			super(auditLogger);
 		}
@@ -611,26 +551,28 @@ public class AclImplTests {
 			}
 			return super.isGranted(ace, p);
 		}
+
 	}
 
 	private class MockAclService implements MutableAclService {
-		public MutableAcl createAcl(ObjectIdentity objectIdentity)
-				throws AlreadyExistsException {
+
+		@Override
+		public MutableAcl createAcl(ObjectIdentity objectIdentity) throws AlreadyExistsException {
 			return null;
 		}
 
-		public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren)
-				throws ChildrenExistException {
+		@Override
+		public void deleteAcl(ObjectIdentity objectIdentity, boolean deleteChildren) throws ChildrenExistException {
 		}
 
 		/*
 		 * Mock implementation that populates the aces list with fully initialized
 		 * AccessControlEntries
 		 *
-		 * @see
-		 * org.springframework.security.acls.MutableAclService#updateAcl(org.springframework
-		 * .security.acls.MutableAcl)
+		 * @see org.springframework.security.acls.MutableAclService#updateAcl(org.
+		 * springframework .security.acls.MutableAcl)
 		 */
+		@Override
 		@SuppressWarnings("unchecked")
 		public MutableAcl updateAcl(MutableAcl acl) throws NotFoundException {
 			List<AccessControlEntry> oldAces = acl.getEntries();
@@ -640,45 +582,47 @@ public class AclImplTests {
 			try {
 				newAces = (List) acesField.get(acl);
 				newAces.clear();
-
 				for (int i = 0; i < oldAces.size(); i++) {
 					AccessControlEntry ac = oldAces.get(i);
 					// Just give an ID to all this acl's aces, rest of the fields are just
 					// copied
-					newAces.add(new AccessControlEntryImpl((i + 1), ac.getAcl(), ac
-							.getSid(), ac.getPermission(), ac.isGranting(),
-							((AuditableAccessControlEntry) ac).isAuditSuccess(),
+					newAces.add(new AccessControlEntryImpl((i + 1), ac.getAcl(), ac.getSid(), ac.getPermission(),
+							ac.isGranting(), ((AuditableAccessControlEntry) ac).isAuditSuccess(),
 							((AuditableAccessControlEntry) ac).isAuditFailure()));
 				}
 			}
-			catch (IllegalAccessException e) {
-				e.printStackTrace();
+			catch (IllegalAccessException ex) {
+				ex.printStackTrace();
 			}
-
 			return acl;
 		}
 
+		@Override
 		public List<ObjectIdentity> findChildren(ObjectIdentity parentIdentity) {
 			return null;
 		}
 
+		@Override
 		public Acl readAclById(ObjectIdentity object) throws NotFoundException {
 			return null;
 		}
 
-		public Acl readAclById(ObjectIdentity object, List<Sid> sids)
-				throws NotFoundException {
+		@Override
+		public Acl readAclById(ObjectIdentity object, List<Sid> sids) throws NotFoundException {
 			return null;
 		}
 
-		public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects)
-				throws NotFoundException {
+		@Override
+		public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects) throws NotFoundException {
 			return null;
 		}
 
-		public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects,
-				List<Sid> sids) throws NotFoundException {
+		@Override
+		public Map<ObjectIdentity, Acl> readAclsById(List<ObjectIdentity> objects, List<Sid> sids)
+				throws NotFoundException {
 			return null;
 		}
+
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/AclImplementationSecurityCheckTests.java

@@ -13,11 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
 
-import org.junit.*;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.MutableAcl;
@@ -28,6 +30,8 @@ import org.springframework.security.core.Authentication;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 
+import static org.assertj.core.api.Assertions.fail;
+
 /**
  * Test class for {@link AclAuthorizationStrategyImpl} and {@link AclImpl} security
  * checks.
@@ -35,10 +39,8 @@ import org.springframework.security.core.context.SecurityContextHolder;
  * @author Andrei Stefan
  */
 public class AclImplementationSecurityCheckTests {
-	private static final String TARGET_CLASS = "org.springframework.security.acls.TargetObject";
 
-	// ~ Methods
-	// ========================================================================================================
+	private static final String TARGET_CLASS = "org.springframework.security.acls.TargetObject";
 
 	@Before
 	public void setUp() {
@@ -52,50 +54,38 @@ public class AclImplementationSecurityCheckTests {
 
 	@Test
 	public void testSecurityCheckNoACEs() {
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_GENERAL", "ROLE_AUDITING", "ROLE_OWNERSHIP");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_GENERAL", "ROLE_AUDITING",
+				"ROLE_OWNERSHIP");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-
-		Acl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
-
-		aclAuthorizationStrategy.securityCheck(acl,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
-		aclAuthorizationStrategy.securityCheck(acl,
-				AclAuthorizationStrategy.CHANGE_AUDITING);
-		aclAuthorizationStrategy.securityCheck(acl,
-				AclAuthorizationStrategy.CHANGE_OWNERSHIP);
-
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
+		Acl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_GENERAL);
+		aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_AUDITING);
+		aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 		// Create another authorization strategy
 		AclAuthorizationStrategy aclAuthorizationStrategy2 = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_ONE"), new SimpleGrantedAuthority(
-						"ROLE_TWO"), new SimpleGrantedAuthority("ROLE_THREE"));
-		Acl acl2 = new AclImpl(identity, 1L, aclAuthorizationStrategy2,
-				new ConsoleAuditLogger());
+				new SimpleGrantedAuthority("ROLE_ONE"), new SimpleGrantedAuthority("ROLE_TWO"),
+				new SimpleGrantedAuthority("ROLE_THREE"));
+		Acl acl2 = new AclImpl(identity, 1L, aclAuthorizationStrategy2, new ConsoleAuditLogger());
 		// Check access in case the principal has no authorization rights
 		try {
-			aclAuthorizationStrategy2.securityCheck(acl2,
-					AclAuthorizationStrategy.CHANGE_GENERAL);
+			aclAuthorizationStrategy2.securityCheck(acl2, AclAuthorizationStrategy.CHANGE_GENERAL);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
 		}
 		try {
-			aclAuthorizationStrategy2.securityCheck(acl2,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
+			aclAuthorizationStrategy2.securityCheck(acl2, AclAuthorizationStrategy.CHANGE_AUDITING);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
 		}
 		try {
-			aclAuthorizationStrategy2.securityCheck(acl2,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
+			aclAuthorizationStrategy2.securityCheck(acl2, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
@@ -105,100 +95,71 @@ public class AclImplementationSecurityCheckTests {
 	@Test
 	public void testSecurityCheckWithMultipleACEs() {
 		// Create a simple authentication with ROLE_GENERAL
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		// Authorization strategy will require a different role for each access
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
 		// Let's give the principal the ADMINISTRATION permission, without
 		// granting access
-		MutableAcl aclFirstDeny = new AclImpl(identity, 1L,
-				aclAuthorizationStrategy, new ConsoleAuditLogger());
-		aclFirstDeny.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				false);
-
+		MutableAcl aclFirstDeny = new AclImpl(identity, 1L, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		aclFirstDeny.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth), false);
 		// The CHANGE_GENERAL test should pass as the principal has ROLE_GENERAL
-		aclAuthorizationStrategy.securityCheck(aclFirstDeny,
-				AclAuthorizationStrategy.CHANGE_GENERAL);
-
+		aclAuthorizationStrategy.securityCheck(aclFirstDeny, AclAuthorizationStrategy.CHANGE_GENERAL);
 		// The CHANGE_AUDITING and CHANGE_OWNERSHIP should fail since the
 		// principal doesn't have these authorities,
 		// nor granting access
 		try {
-			aclAuthorizationStrategy.securityCheck(aclFirstDeny,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
+			aclAuthorizationStrategy.securityCheck(aclFirstDeny, AclAuthorizationStrategy.CHANGE_AUDITING);
 			fail("It should have thrown AccessDeniedException");
 		}
 		catch (AccessDeniedException expected) {
 		}
 		try {
-			aclAuthorizationStrategy.securityCheck(aclFirstDeny,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
+			aclAuthorizationStrategy.securityCheck(aclFirstDeny, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 			fail("It should have thrown AccessDeniedException");
 		}
 		catch (AccessDeniedException expected) {
 		}
-
 		// Add granting access to this principal
-		aclFirstDeny.insertAce(1, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				true);
+		aclFirstDeny.insertAce(1, BasePermission.ADMINISTRATION, new PrincipalSid(auth), true);
 		// and try again for CHANGE_AUDITING - the first ACE's granting flag
 		// (false) will deny this access
 		try {
-			aclAuthorizationStrategy.securityCheck(aclFirstDeny,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
+			aclAuthorizationStrategy.securityCheck(aclFirstDeny, AclAuthorizationStrategy.CHANGE_AUDITING);
 			fail("It should have thrown AccessDeniedException");
 		}
 		catch (AccessDeniedException expected) {
 		}
-
 		// Create another ACL and give the principal the ADMINISTRATION
 		// permission, with granting access
-		MutableAcl aclFirstAllow = new AclImpl(identity, 1L,
-				aclAuthorizationStrategy, new ConsoleAuditLogger());
-		aclFirstAllow.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				true);
-
+		MutableAcl aclFirstAllow = new AclImpl(identity, 1L, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		aclFirstAllow.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth), true);
 		// The CHANGE_AUDITING test should pass as there is one ACE with
 		// granting access
-
-		aclAuthorizationStrategy.securityCheck(aclFirstAllow,
-				AclAuthorizationStrategy.CHANGE_AUDITING);
-
+		aclAuthorizationStrategy.securityCheck(aclFirstAllow, AclAuthorizationStrategy.CHANGE_AUDITING);
 		// Add a deny ACE and test again for CHANGE_AUDITING
-		aclFirstAllow.insertAce(1, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				false);
+		aclFirstAllow.insertAce(1, BasePermission.ADMINISTRATION, new PrincipalSid(auth), false);
 		try {
-			aclAuthorizationStrategy.securityCheck(aclFirstAllow,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
-
+			aclAuthorizationStrategy.securityCheck(aclFirstAllow, AclAuthorizationStrategy.CHANGE_AUDITING);
 		}
 		catch (AccessDeniedException notExpected) {
 			fail("It shouldn't have thrown AccessDeniedException");
 		}
-
 		// Create an ACL with no ACE
-		MutableAcl aclNoACE = new AclImpl(identity, 1L,
-				aclAuthorizationStrategy, new ConsoleAuditLogger());
+		MutableAcl aclNoACE = new AclImpl(identity, 1L, aclAuthorizationStrategy, new ConsoleAuditLogger());
 		try {
-			aclAuthorizationStrategy.securityCheck(aclNoACE,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
+			aclAuthorizationStrategy.securityCheck(aclNoACE, AclAuthorizationStrategy.CHANGE_AUDITING);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
 		// and still grant access for CHANGE_GENERAL
 		try {
-			aclAuthorizationStrategy.securityCheck(aclNoACE,
-					AclAuthorizationStrategy.CHANGE_GENERAL);
-
+			aclAuthorizationStrategy.securityCheck(aclNoACE, AclAuthorizationStrategy.CHANGE_GENERAL);
 		}
 		catch (NotFoundException expected) {
 			fail("It shouldn't have thrown NotFoundException");
@@ -208,64 +169,46 @@ public class AclImplementationSecurityCheckTests {
 	@Test
 	public void testSecurityCheckWithInheritableACEs() {
 		// Create a simple authentication with ROLE_GENERAL
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100);
 		// Authorization strategy will require a different role for each access
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_ONE"), new SimpleGrantedAuthority(
-						"ROLE_TWO"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-
+				new SimpleGrantedAuthority("ROLE_ONE"), new SimpleGrantedAuthority("ROLE_TWO"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
 		// Let's give the principal an ADMINISTRATION permission, with granting
 		// access
-		MutableAcl parentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
-		parentAcl.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				true);
-		MutableAcl childAcl = new AclImpl(identity, 2, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
-
+		MutableAcl parentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		parentAcl.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth), true);
+		MutableAcl childAcl = new AclImpl(identity, 2, aclAuthorizationStrategy, new ConsoleAuditLogger());
 		// Check against the 'child' acl, which doesn't offer any authorization
 		// rights on CHANGE_OWNERSHIP
 		try {
-			aclAuthorizationStrategy.securityCheck(childAcl,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
+			aclAuthorizationStrategy.securityCheck(childAcl, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
-
 		// Link the child with its parent and test again against the
 		// CHANGE_OWNERSHIP right
 		childAcl.setParent(parentAcl);
 		childAcl.setEntriesInheriting(true);
 		try {
-			aclAuthorizationStrategy.securityCheck(childAcl,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
-
+			aclAuthorizationStrategy.securityCheck(childAcl, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 		}
 		catch (NotFoundException expected) {
 			fail("It shouldn't have thrown NotFoundException");
 		}
-
 		// Create a root parent and link it to the middle parent
-		MutableAcl rootParentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
-		parentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
-		rootParentAcl.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth),
-				true);
+		MutableAcl rootParentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		parentAcl = new AclImpl(identity, 1, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		rootParentAcl.insertAce(0, BasePermission.ADMINISTRATION, new PrincipalSid(auth), true);
 		parentAcl.setEntriesInheriting(true);
 		parentAcl.setParent(rootParentAcl);
 		childAcl.setParent(parentAcl);
 		try {
-			aclAuthorizationStrategy.securityCheck(childAcl,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
-
+			aclAuthorizationStrategy.securityCheck(childAcl, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 		}
 		catch (NotFoundException expected) {
 			fail("It shouldn't have thrown NotFoundException");
@@ -274,39 +217,34 @@ public class AclImplementationSecurityCheckTests {
 
 	@Test
 	public void testSecurityCheckPrincipalOwner() {
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_ONE");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_ONE");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
 		Acl acl = new AclImpl(identity, 1, aclAuthorizationStrategy,
-				new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()), null,
-				null, false, new PrincipalSid(auth));
+				new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()), null, null, false,
+				new PrincipalSid(auth));
 		try {
-			aclAuthorizationStrategy.securityCheck(acl,
-					AclAuthorizationStrategy.CHANGE_GENERAL);
+			aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_GENERAL);
 		}
 		catch (AccessDeniedException notExpected) {
 			fail("It shouldn't have thrown AccessDeniedException");
 		}
 		try {
-			aclAuthorizationStrategy.securityCheck(acl,
-					AclAuthorizationStrategy.CHANGE_AUDITING);
+			aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_AUDITING);
 			fail("It shouldn't have thrown AccessDeniedException");
 		}
 		catch (NotFoundException expected) {
 		}
 		try {
-			aclAuthorizationStrategy.securityCheck(acl,
-					AclAuthorizationStrategy.CHANGE_OWNERSHIP);
+			aclAuthorizationStrategy.securityCheck(acl, AclAuthorizationStrategy.CHANGE_OWNERSHIP);
 		}
 		catch (AccessDeniedException notExpected) {
 			fail("It shouldn't have thrown AccessDeniedException");
 		}
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/AuditLoggerTests.java

@@ -13,10 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls.domain;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
@@ -24,72 +22,76 @@ import java.io.PrintStream;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+
 import org.springframework.security.acls.model.AccessControlEntry;
 import org.springframework.security.acls.model.AuditableAccessControlEntry;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
 /**
  * Test class for {@link ConsoleAuditLogger}.
  *
  * @author Andrei Stefan
  */
 public class AuditLoggerTests {
-	// ~ Instance fields
-	// ================================================================================================
+
 	private PrintStream console;
+
 	private ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+
 	private ConsoleAuditLogger logger;
-	private AuditableAccessControlEntry ace;
 
-	// ~ Methods
-	// ========================================================================================================
+	private AuditableAccessControlEntry ace;
 
 	@Before
 	public void setUp() {
-		logger = new ConsoleAuditLogger();
-		ace = mock(AuditableAccessControlEntry.class);
-		console = System.out;
-		System.setOut(new PrintStream(bytes));
+		this.logger = new ConsoleAuditLogger();
+		this.ace = mock(AuditableAccessControlEntry.class);
+		this.console = System.out;
+		System.setOut(new PrintStream(this.bytes));
 	}
 
 	@After
 	public void tearDown() {
-		System.setOut(console);
-		bytes.reset();
+		System.setOut(this.console);
+		this.bytes.reset();
 	}
 
 	@Test
 	public void nonAuditableAceIsIgnored() {
 		AccessControlEntry ace = mock(AccessControlEntry.class);
-		logger.logIfNeeded(true, ace);
-		assertThat(bytes.size()).isZero();
+		this.logger.logIfNeeded(true, ace);
+		assertThat(this.bytes.size()).isZero();
 	}
 
 	@Test
 	public void successIsNotLoggedIfAceDoesntRequireSuccessAudit() {
-		when(ace.isAuditSuccess()).thenReturn(false);
-		logger.logIfNeeded(true, ace);
-		assertThat(bytes.size()).isZero();
+		given(this.ace.isAuditSuccess()).willReturn(false);
+		this.logger.logIfNeeded(true, this.ace);
+		assertThat(this.bytes.size()).isZero();
 	}
 
 	@Test
 	public void successIsLoggedIfAceRequiresSuccessAudit() {
-		when(ace.isAuditSuccess()).thenReturn(true);
-
-		logger.logIfNeeded(true, ace);
-		assertThat(bytes.toString()).startsWith("GRANTED due to ACE");
+		given(this.ace.isAuditSuccess()).willReturn(true);
+		this.logger.logIfNeeded(true, this.ace);
+		assertThat(this.bytes.toString()).startsWith("GRANTED due to ACE");
 	}
 
 	@Test
 	public void failureIsntLoggedIfAceDoesntRequireFailureAudit() {
-		when(ace.isAuditFailure()).thenReturn(false);
-		logger.logIfNeeded(false, ace);
-		assertThat(bytes.size()).isZero();
+		given(this.ace.isAuditFailure()).willReturn(false);
+		this.logger.logIfNeeded(false, this.ace);
+		assertThat(this.bytes.size()).isZero();
 	}
 
 	@Test
 	public void failureIsLoggedIfAceRequiresFailureAudit() {
-		when(ace.isAuditFailure()).thenReturn(true);
-		logger.logIfNeeded(false, ace);
-		assertThat(bytes.toString()).startsWith("DENIED due to ACE");
+		given(this.ace.isAuditFailure()).willReturn(true);
+		this.logger.logIfNeeded(false, this.ace);
+		assertThat(this.bytes.toString()).startsWith("DENIED due to ACE");
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/ObjectIdentityImplTests.java

@@ -13,15 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
+package org.springframework.security.acls.domain;
 
 import org.junit.Test;
-import org.springframework.security.acls.domain.IdentityUnavailableException;
-import org.springframework.security.acls.domain.ObjectIdentityImpl;
+
 import org.springframework.security.acls.model.ObjectIdentity;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+
 /**
  * Tests for {@link ObjectIdentityImpl}.
  *
@@ -32,9 +33,6 @@ public class ObjectIdentityImplTests {
 
 	private static final String DOMAIN_CLASS = "org.springframework.security.acls.domain.ObjectIdentityImplTests$MockIdDomainObject";
 
-	// ~ Methods
-	// ========================================================================================================
-
 	@Test
 	public void constructorsRespectRequiredFields() {
 		// Check one-argument constructor required field
@@ -44,7 +42,6 @@ public class ObjectIdentityImplTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// Check String-Serializable constructor required field
 		try {
 			new ObjectIdentityImpl("", 1L);
@@ -52,7 +49,6 @@ public class ObjectIdentityImplTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// Check Serializable parameter is not null
 		try {
 			new ObjectIdentityImpl(DOMAIN_CLASS, null);
@@ -60,7 +56,6 @@ public class ObjectIdentityImplTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// The correct way of using String-Serializable constructor
 		try {
 			new ObjectIdentityImpl(DOMAIN_CLASS, 1L);
@@ -68,7 +63,6 @@ public class ObjectIdentityImplTests {
 		catch (IllegalArgumentException notExpected) {
 			fail("It shouldn't have thrown IllegalArgumentException");
 		}
-
 		// Check the Class-Serializable constructor
 		try {
 			new ObjectIdentityImpl(MockIdDomainObject.class, null);
@@ -93,9 +87,7 @@ public class ObjectIdentityImplTests {
 			fail("It should have thrown IdentityUnavailableException");
 		}
 		catch (IdentityUnavailableException expected) {
-
 		}
-
 		// getId() should return a non-null value
 		MockIdDomainObject mockId = new MockIdDomainObject();
 		try {
@@ -103,9 +95,7 @@ public class ObjectIdentityImplTests {
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
-
 		}
-
 		// getId() should return a Serializable object
 		mockId.setId(new MockIdDomainObject());
 		try {
@@ -114,7 +104,6 @@ public class ObjectIdentityImplTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		// getId() should return a Serializable object
 		mockId.setId(100L);
 		try {
@@ -134,15 +123,13 @@ public class ObjectIdentityImplTests {
 		ObjectIdentity obj = new ObjectIdentityImpl(DOMAIN_CLASS, 1L);
 		MockIdDomainObject mockObj = new MockIdDomainObject();
 		mockObj.setId(1L);
-
 		String string = "SOME_STRING";
 		assertThat(string).isNotSameAs(obj);
 		assertThat(obj).isNotNull();
 		assertThat(obj).isNotEqualTo("DIFFERENT_OBJECT_TYPE");
 		assertThat(obj).isNotEqualTo(new ObjectIdentityImpl(DOMAIN_CLASS, 2L));
 		assertThat(obj).isNotEqualTo(new ObjectIdentityImpl(
-						"org.springframework.security.acls.domain.ObjectIdentityImplTests$MockOtherIdDomainObject",
-				1L));
+				"org.springframework.security.acls.domain.ObjectIdentityImplTests$MockOtherIdDomainObject", 1L));
 		assertThat(new ObjectIdentityImpl(DOMAIN_CLASS, 1L)).isEqualTo(obj);
 		assertThat(new ObjectIdentityImpl(mockObj)).isEqualTo(obj);
 	}
@@ -158,7 +145,6 @@ public class ObjectIdentityImplTests {
 	public void longAndIntegerIdsWithSameValueAreEqualAndHaveSameHashcode() {
 		ObjectIdentity obj = new ObjectIdentityImpl(Object.class, 5L);
 		ObjectIdentity obj2 = new ObjectIdentityImpl(Object.class, 5);
-
 		assertThat(obj2).isEqualTo(obj);
 		assertThat(obj2.hashCode()).isEqualTo(obj.hashCode());
 	}
@@ -178,30 +164,32 @@ public class ObjectIdentityImplTests {
 		assertThat(obj).isNotEqualTo(obj2);
 	}
 
-	// ~ Inner Classes
-	// ==================================================================================================
-
 	private class MockIdDomainObject {
+
 		private Object id;
 
 		public Object getId() {
-			return id;
+			return this.id;
 		}
 
 		public void setId(Object id) {
 			this.id = id;
 		}
+
 	}
 
 	private class MockOtherIdDomainObject {
+
 		private Object id;
 
 		public Object getId() {
-			return id;
+			return this.id;
 		}
 
 		public void setId(Object id) {
 			this.id = id;
 		}
+
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/ObjectIdentityRetrievalStrategyImplTests.java

@@ -13,14 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.assertThat;
+package org.springframework.security.acls.domain;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
  * Tests for {@link ObjectIdentityRetrievalStrategyImpl}
  *
@@ -28,33 +30,29 @@ import org.springframework.security.acls.model.ObjectIdentityRetrievalStrategy;
  */
 public class ObjectIdentityRetrievalStrategyImplTests {
 
-	// ~ Methods
-	// ========================================================================================================
 	@Test
 	public void testObjectIdentityCreation() {
 		MockIdDomainObject domain = new MockIdDomainObject();
 		domain.setId(1);
-
 		ObjectIdentityRetrievalStrategy retStrategy = new ObjectIdentityRetrievalStrategyImpl();
 		ObjectIdentity identity = retStrategy.getObjectIdentity(domain);
-
 		assertThat(identity).isNotNull();
 		assertThat(new ObjectIdentityImpl(domain)).isEqualTo(identity);
 	}
 
-	// ~ Inner Classes
-	// ==================================================================================================
 	@SuppressWarnings("unused")
 	private class MockIdDomainObject {
 
 		private Object id;
 
 		public Object getId() {
-			return id;
+			return this.id;
 		}
 
 		public void setId(Object id) {
 			this.id = id;
 		}
+
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/PermissionTests.java

@@ -13,14 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.domain;
 
-import static org.assertj.core.api.Assertions.*;
+package org.springframework.security.acls.domain;
 
 import org.junit.Before;
 import org.junit.Test;
+
 import org.springframework.security.acls.model.Permission;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
  * Tests classes associated with Permission.
  *
@@ -32,12 +34,12 @@ public class PermissionTests {
 
 	@Before
 	public void createPermissionfactory() {
-		permissionFactory = new DefaultPermissionFactory();
+		this.permissionFactory = new DefaultPermissionFactory();
 	}
 
 	@Test
 	public void basePermissionTest() {
-		Permission p = permissionFactory.buildFromName("WRITE");
+		Permission p = this.permissionFactory.buildFromName("WRITE");
 		assertThat(p).isNotNull();
 	}
 
@@ -45,53 +47,37 @@ public class PermissionTests {
 	public void expectedIntegerValues() {
 		assertThat(BasePermission.READ.getMask()).isEqualTo(1);
 		assertThat(BasePermission.ADMINISTRATION.getMask()).isEqualTo(16);
-		assertThat(
-				new CumulativePermission().set(BasePermission.READ)
-						.set(BasePermission.WRITE).set(BasePermission.CREATE).getMask())
-				.isEqualTo(7);
-		assertThat(
-				new CumulativePermission().set(BasePermission.READ)
-						.set(BasePermission.ADMINISTRATION).getMask())
-			.isEqualTo(17);
+		assertThat(new CumulativePermission().set(BasePermission.READ).set(BasePermission.WRITE)
+				.set(BasePermission.CREATE).getMask()).isEqualTo(7);
+		assertThat(new CumulativePermission().set(BasePermission.READ).set(BasePermission.ADMINISTRATION).getMask())
+				.isEqualTo(17);
 	}
 
 	@Test
 	public void fromInteger() {
-		Permission permission = permissionFactory.buildFromMask(7);
-		permission = permissionFactory.buildFromMask(4);
+		Permission permission = this.permissionFactory.buildFromMask(7);
+		permission = this.permissionFactory.buildFromMask(4);
 	}
 
 	@Test
 	public void stringConversion() {
-		permissionFactory.registerPublicPermissions(SpecialPermission.class);
-
-		assertThat(BasePermission.READ.toString())
-			.isEqualTo("BasePermission[...............................R=1]");
-
+		this.permissionFactory.registerPublicPermissions(SpecialPermission.class);
+		assertThat(BasePermission.READ.toString()).isEqualTo("BasePermission[...............................R=1]");
+		assertThat(BasePermission.ADMINISTRATION.toString())
+				.isEqualTo("BasePermission[...........................A....=16]");
+		assertThat(new CumulativePermission().set(BasePermission.READ).toString())
+				.isEqualTo("CumulativePermission[...............................R=1]");
 		assertThat(
-				BasePermission.ADMINISTRATION.toString())
-			.isEqualTo("BasePermission[...........................A....=16]");
-
-		assertThat(
-				new CumulativePermission().set(BasePermission.READ).toString())
-			.isEqualTo("CumulativePermission[...............................R=1]");
-
-		assertThat(new CumulativePermission().set(SpecialPermission.ENTER)
-						.set(BasePermission.ADMINISTRATION).toString())
-			.isEqualTo("CumulativePermission[..........................EA....=48]");
-
-		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION)
-						.set(BasePermission.READ).toString())
-			.isEqualTo("CumulativePermission[...........................A...R=17]");
-
-		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION)
-						.set(BasePermission.READ).clear(BasePermission.ADMINISTRATION)
-						.toString())
-			.isEqualTo("CumulativePermission[...............................R=1]");
-
-		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION)
-						.set(BasePermission.READ).clear(BasePermission.ADMINISTRATION)
-						.clear(BasePermission.READ).toString())
-			.isEqualTo("CumulativePermission[................................=0]");
+				new CumulativePermission().set(SpecialPermission.ENTER).set(BasePermission.ADMINISTRATION).toString())
+						.isEqualTo("CumulativePermission[..........................EA....=48]");
+		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION).set(BasePermission.READ).toString())
+				.isEqualTo("CumulativePermission[...........................A...R=17]");
+		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION).set(BasePermission.READ)
+				.clear(BasePermission.ADMINISTRATION).toString())
+						.isEqualTo("CumulativePermission[...............................R=1]");
+		assertThat(new CumulativePermission().set(BasePermission.ADMINISTRATION).set(BasePermission.READ)
+				.clear(BasePermission.ADMINISTRATION).clear(BasePermission.READ).toString())
+						.isEqualTo("CumulativePermission[................................=0]");
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/domain/SpecialPermission.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.domain;
 
 import org.springframework.security.acls.model.Permission;
@@ -23,10 +24,13 @@ import org.springframework.security.acls.model.Permission;
  * @author Ben Alex
  */
 public class SpecialPermission extends BasePermission {
+
 	public static final Permission ENTER = new SpecialPermission(1 << 5, 'E'); // 32
+
 	public static final Permission LEAVE = new SpecialPermission(1 << 6, 'L');
 
 	protected SpecialPermission(int mask, char code) {
 		super(mask, code);
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/AbstractBasicLookupStrategyTests.java

@@ -13,19 +13,38 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
-import static org.assertj.core.api.Assertions.*;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import javax.sql.DataSource;
 
 import net.sf.ehcache.Cache;
 import net.sf.ehcache.CacheManager;
 import net.sf.ehcache.Ehcache;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
-import org.junit.*;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.security.acls.TargetObject;
 import org.springframework.security.acls.TargetObjectWithUUID;
-import org.springframework.security.acls.domain.*;
+import org.springframework.security.acls.domain.AclAuthorizationStrategy;
+import org.springframework.security.acls.domain.AclAuthorizationStrategyImpl;
+import org.springframework.security.acls.domain.BasePermission;
+import org.springframework.security.acls.domain.ConsoleAuditLogger;
+import org.springframework.security.acls.domain.DefaultPermissionFactory;
+import org.springframework.security.acls.domain.DefaultPermissionGrantingStrategy;
+import org.springframework.security.acls.domain.EhCacheBasedAclCache;
+import org.springframework.security.acls.domain.GrantedAuthoritySid;
+import org.springframework.security.acls.domain.ObjectIdentityImpl;
+import org.springframework.security.acls.domain.PrincipalSid;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.AuditableAccessControlEntry;
 import org.springframework.security.acls.model.MutableAcl;
@@ -35,9 +54,8 @@ import org.springframework.security.acls.model.Permission;
 import org.springframework.security.acls.model.Sid;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 
-import java.util.*;
-
-import javax.sql.DataSource;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
 
 /**
  * Tests {@link BasicLookupStrategy}
@@ -47,19 +65,18 @@ import javax.sql.DataSource;
 public abstract class AbstractBasicLookupStrategyTests {
 
 	protected static final Sid BEN_SID = new PrincipalSid("ben");
+
 	protected static final String TARGET_CLASS = TargetObject.class.getName();
+
 	protected static final String TARGET_CLASS_WITH_UUID = TargetObjectWithUUID.class.getName();
+
 	protected static final UUID OBJECT_IDENTITY_UUID = UUID.randomUUID();
-	protected static final Long OBJECT_IDENTITY_LONG_AS_UUID = 110L;
 
-	// ~ Instance fields
-	// ================================================================================================
+	protected static final Long OBJECT_IDENTITY_LONG_AS_UUID = 110L;
 
 	private BasicLookupStrategy strategy;
-	private static CacheManager cacheManager;
 
-	// ~ Methods
-	// ========================================================================================================
+	private static CacheManager cacheManager;
 
 	public abstract JdbcTemplate getJdbcTemplate();
 
@@ -80,44 +97,41 @@ public abstract class AbstractBasicLookupStrategyTests {
 	@Before
 	public void populateDatabase() {
 		String query = "INSERT INTO acl_sid(ID,PRINCIPAL,SID) VALUES (1,1,'ben');"
-			+ "INSERT INTO acl_class(ID,CLASS) VALUES (2,'" + TARGET_CLASS + "');"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (1,2,100,null,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (2,2,101,1,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (3,2,102,2,1,1);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (1,1,0,1,1,1,0,0);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (2,1,1,1,2,0,0,0);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (3,2,0,1,8,1,0,0);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (4,3,0,1,8,0,0,0);";
+				+ "INSERT INTO acl_class(ID,CLASS) VALUES (2,'" + TARGET_CLASS + "');"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (1,2,100,null,1,1);"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (2,2,101,1,1,1);"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (3,2,102,2,1,1);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (1,1,0,1,1,1,0,0);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (2,1,1,1,2,0,0,0);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (3,2,0,1,8,1,0,0);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (4,3,0,1,8,0,0,0);";
 		getJdbcTemplate().execute(query);
 	}
 
 	@Before
 	public void initializeBeans() {
-		strategy = new BasicLookupStrategy(getDataSource(), aclCache(), aclAuthStrategy(),
-			new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()));
-		strategy.setPermissionFactory(new DefaultPermissionFactory());
+		this.strategy = new BasicLookupStrategy(getDataSource(), aclCache(), aclAuthStrategy(),
+				new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()));
+		this.strategy.setPermissionFactory(new DefaultPermissionFactory());
 	}
 
 	protected AclAuthorizationStrategy aclAuthStrategy() {
-		return new AclAuthorizationStrategyImpl(
-			new SimpleGrantedAuthority("ROLE_ADMINISTRATOR"));
+		return new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_ADMINISTRATOR"));
 	}
 
 	protected EhCacheBasedAclCache aclCache() {
-		return new EhCacheBasedAclCache(getCache(),
-			new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()),
-			new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_USER")));
+		return new EhCacheBasedAclCache(getCache(), new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()),
+				new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_USER")));
 	}
 
-
 	@After
 	public void emptyDatabase() {
 		String query = "DELETE FROM acl_entry;" + "DELETE FROM acl_object_identity WHERE ID = 9;"
-			+ "DELETE FROM acl_object_identity WHERE ID = 8;" + "DELETE FROM acl_object_identity WHERE ID = 7;"
-			+ "DELETE FROM acl_object_identity WHERE ID = 6;" + "DELETE FROM acl_object_identity WHERE ID = 5;"
-			+ "DELETE FROM acl_object_identity WHERE ID = 4;" + "DELETE FROM acl_object_identity WHERE ID = 3;"
-			+ "DELETE FROM acl_object_identity WHERE ID = 2;" + "DELETE FROM acl_object_identity WHERE ID = 1;"
-			+ "DELETE FROM acl_class;" + "DELETE FROM acl_sid;";
+				+ "DELETE FROM acl_object_identity WHERE ID = 8;" + "DELETE FROM acl_object_identity WHERE ID = 7;"
+				+ "DELETE FROM acl_object_identity WHERE ID = 6;" + "DELETE FROM acl_object_identity WHERE ID = 5;"
+				+ "DELETE FROM acl_object_identity WHERE ID = 4;" + "DELETE FROM acl_object_identity WHERE ID = 3;"
+				+ "DELETE FROM acl_object_identity WHERE ID = 2;" + "DELETE FROM acl_object_identity WHERE ID = 1;"
+				+ "DELETE FROM acl_class;" + "DELETE FROM acl_sid;";
 		getJdbcTemplate().execute(query);
 	}
 
@@ -133,9 +147,8 @@ public abstract class AbstractBasicLookupStrategyTests {
 		ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS, 101L);
 		// Deliberately use an integer for the child, to reproduce bug report in SEC-819
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 102);
-
 		Map<ObjectIdentity, Acl> map = this.strategy
-			.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
+				.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
 		checkEntries(topParentOid, middleParentOid, childOid, map);
 	}
 
@@ -144,15 +157,12 @@ public abstract class AbstractBasicLookupStrategyTests {
 		ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS, 100);
 		ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS, 101L);
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 102L);
-
 		// Objects were put in cache
-		strategy.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
-
+		this.strategy.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
 		// Let's empty the database to force acls retrieval from cache
 		emptyDatabase();
 		Map<ObjectIdentity, Acl> map = this.strategy
-			.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
-
+				.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
 		checkEntries(topParentOid, middleParentOid, childOid, map);
 	}
 
@@ -161,43 +171,36 @@ public abstract class AbstractBasicLookupStrategyTests {
 		ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS, 101);
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 102L);
-
 		// Set a batch size to allow multiple database queries in order to retrieve all
 		// acls
 		this.strategy.setBatchSize(1);
 		Map<ObjectIdentity, Acl> map = this.strategy
-			.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
+				.readAclsById(Arrays.asList(topParentOid, middleParentOid, childOid), null);
 		checkEntries(topParentOid, middleParentOid, childOid, map);
 	}
 
 	private void checkEntries(ObjectIdentity topParentOid, ObjectIdentity middleParentOid, ObjectIdentity childOid,
-		Map<ObjectIdentity, Acl> map) {
+			Map<ObjectIdentity, Acl> map) {
 		assertThat(map).hasSize(3);
-
 		MutableAcl topParent = (MutableAcl) map.get(topParentOid);
 		MutableAcl middleParent = (MutableAcl) map.get(middleParentOid);
 		MutableAcl child = (MutableAcl) map.get(childOid);
-
 		// Check the retrieved versions has IDs
 		assertThat(topParent.getId()).isNotNull();
 		assertThat(middleParent.getId()).isNotNull();
 		assertThat(child.getId()).isNotNull();
-
 		// Check their parents were correctly retrieved
 		assertThat(topParent.getParentAcl()).isNull();
 		assertThat(middleParent.getParentAcl().getObjectIdentity()).isEqualTo(topParentOid);
 		assertThat(child.getParentAcl().getObjectIdentity()).isEqualTo(middleParentOid);
-
 		// Check their ACEs were correctly retrieved
 		assertThat(topParent.getEntries()).hasSize(2);
 		assertThat(middleParent.getEntries()).hasSize(1);
 		assertThat(child.getEntries()).hasSize(1);
-
 		// Check object identities were correctly retrieved
 		assertThat(topParent.getObjectIdentity()).isEqualTo(topParentOid);
 		assertThat(middleParent.getObjectIdentity()).isEqualTo(middleParentOid);
 		assertThat(child.getObjectIdentity()).isEqualTo(childOid);
-
 		// Check each entry
 		assertThat(topParent.isEntriesInheriting()).isTrue();
 		assertThat(Long.valueOf(1)).isEqualTo(topParent.getId());
@@ -208,14 +211,12 @@ public abstract class AbstractBasicLookupStrategyTests {
 		assertThat(((AuditableAccessControlEntry) topParent.getEntries().get(0)).isAuditFailure()).isFalse();
 		assertThat(((AuditableAccessControlEntry) topParent.getEntries().get(0)).isAuditSuccess()).isFalse();
 		assertThat((topParent.getEntries().get(0)).isGranting()).isTrue();
-
 		assertThat(Long.valueOf(2)).isEqualTo(topParent.getEntries().get(1).getId());
 		assertThat(topParent.getEntries().get(1).getPermission()).isEqualTo(BasePermission.WRITE);
 		assertThat(topParent.getEntries().get(1).getSid()).isEqualTo(new PrincipalSid("ben"));
 		assertThat(((AuditableAccessControlEntry) topParent.getEntries().get(1)).isAuditFailure()).isFalse();
 		assertThat(((AuditableAccessControlEntry) topParent.getEntries().get(1)).isAuditSuccess()).isFalse();
 		assertThat(topParent.getEntries().get(1).isGranting()).isFalse();
-
 		assertThat(middleParent.isEntriesInheriting()).isTrue();
 		assertThat(Long.valueOf(2)).isEqualTo(middleParent.getId());
 		assertThat(new PrincipalSid("ben")).isEqualTo(middleParent.getOwner());
@@ -225,7 +226,6 @@ public abstract class AbstractBasicLookupStrategyTests {
 		assertThat(((AuditableAccessControlEntry) middleParent.getEntries().get(0)).isAuditFailure()).isFalse();
 		assertThat(((AuditableAccessControlEntry) middleParent.getEntries().get(0)).isAuditSuccess()).isFalse();
 		assertThat(middleParent.getEntries().get(0).isGranting()).isTrue();
-
 		assertThat(child.isEntriesInheriting()).isTrue();
 		assertThat(Long.valueOf(3)).isEqualTo(child.getId());
 		assertThat(new PrincipalSid("ben")).isEqualTo(child.getOwner());
@@ -241,15 +241,12 @@ public abstract class AbstractBasicLookupStrategyTests {
 	public void testAllParentsAreRetrievedWhenChildIsLoaded() {
 		String query = "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (6,2,103,1,1,1);";
 		getJdbcTemplate().execute(query);
-
 		ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS, 101L);
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 102L);
 		ObjectIdentity middleParent2Oid = new ObjectIdentityImpl(TARGET_CLASS, 103L);
-
 		// Retrieve the child
 		Map<ObjectIdentity, Acl> map = this.strategy.readAclsById(Arrays.asList(childOid), null);
-
 		// Check that the child and all its parents were retrieved
 		assertThat(map.get(childOid)).isNotNull();
 		assertThat(map.get(childOid).getObjectIdentity()).isEqualTo(childOid);
@@ -257,7 +254,6 @@ public abstract class AbstractBasicLookupStrategyTests {
 		assertThat(map.get(middleParentOid).getObjectIdentity()).isEqualTo(middleParentOid);
 		assertThat(map.get(topParentOid)).isNotNull();
 		assertThat(map.get(topParentOid).getObjectIdentity()).isEqualTo(topParentOid);
-
 		// The second parent shouldn't have been retrieved
 		assertThat(map.get(middleParent2Oid)).isNull();
 	}
@@ -268,31 +264,26 @@ public abstract class AbstractBasicLookupStrategyTests {
 	@Test
 	public void testReadAllObjectIdentitiesWhenLastElementIsAlreadyCached() {
 		String query = "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (6,2,105,null,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (7,2,106,6,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (8,2,107,6,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (9,2,108,7,1,1);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (7,6,0,1,1,1,0,0)";
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (7,2,106,6,1,1);"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (8,2,107,6,1,1);"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (9,2,108,7,1,1);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (7,6,0,1,1,1,0,0)";
 		getJdbcTemplate().execute(query);
-
 		ObjectIdentity grandParentOid = new ObjectIdentityImpl(TARGET_CLASS, 104L);
 		ObjectIdentity parent1Oid = new ObjectIdentityImpl(TARGET_CLASS, 105L);
 		ObjectIdentity parent2Oid = new ObjectIdentityImpl(TARGET_CLASS, 106);
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 107);
-
 		// First lookup only child, thus populating the cache with grandParent,
 		// parent1
 		// and child
 		List<Permission> checkPermission = Arrays.asList(BasePermission.READ);
 		List<Sid> sids = Arrays.asList(BEN_SID);
 		List<ObjectIdentity> childOids = Arrays.asList(childOid);
-
-		strategy.setBatchSize(6);
-		Map<ObjectIdentity, Acl> foundAcls = strategy.readAclsById(childOids, sids);
-
+		this.strategy.setBatchSize(6);
+		Map<ObjectIdentity, Acl> foundAcls = this.strategy.readAclsById(childOids, sids);
 		Acl foundChildAcl = foundAcls.get(childOid);
 		assertThat(foundChildAcl).isNotNull();
 		assertThat(foundChildAcl.isGranted(checkPermission, sids, false)).isTrue();
-
 		// Search for object identities has to be done in the following order:
 		// last
 		// element have to be one which
@@ -300,12 +291,11 @@ public abstract class AbstractBasicLookupStrategyTests {
 		// cache
 		List<ObjectIdentity> allOids = Arrays.asList(grandParentOid, parent1Oid, parent2Oid, childOid);
 		try {
-			foundAcls = strategy.readAclsById(allOids, sids);
-
-		} catch (NotFoundException notExpected) {
+			foundAcls = this.strategy.readAclsById(allOids, sids);
+		}
+		catch (NotFoundException notExpected) {
 			fail("It shouldn't have thrown NotFoundException");
 		}
-
 		Acl foundParent2Acl = foundAcls.get(parent2Oid);
 		assertThat(foundParent2Acl).isNotNull();
 		assertThat(foundParent2Acl.isGranted(checkPermission, sids, false)).isTrue();
@@ -314,26 +304,21 @@ public abstract class AbstractBasicLookupStrategyTests {
 	@Test(expected = IllegalArgumentException.class)
 	public void nullOwnerIsNotSupported() {
 		String query = "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (6,2,104,null,null,1);";
-
 		getJdbcTemplate().execute(query);
-
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS, 104L);
-
-		strategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
+		this.strategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
 	}
 
 	@Test
 	public void testCreatePrincipalSid() {
-		Sid result = strategy.createSid(true, "sid");
-
+		Sid result = this.strategy.createSid(true, "sid");
 		assertThat(result.getClass()).isEqualTo(PrincipalSid.class);
 		assertThat(((PrincipalSid) result).getPrincipal()).isEqualTo("sid");
 	}
 
 	@Test
 	public void testCreateGrantedAuthority() {
-		Sid result = strategy.createSid(false, "sid");
-
+		Sid result = this.strategy.createSid(false, "sid");
 		assertThat(result.getClass()).isEqualTo(GrantedAuthoritySid.class);
 		assertThat(((GrantedAuthoritySid) result).getGrantedAuthority()).isEqualTo("sid");
 	}

acl/src/test/java/org/springframework/security/acls/jdbc/AclClassIdUtilsTest.java → acl/src/test/java/org/springframework/security/acls/jdbc/AclClassIdUtilsTests.java

@@ -13,38 +13,43 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
+import java.io.Serializable;
+import java.math.BigInteger;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.UUID;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
-import org.springframework.core.convert.ConversionService;
 
-import java.io.Serializable;
-import java.math.BigInteger;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.UUID;
+import org.springframework.core.convert.ConversionService;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.BDDMockito.given;
 
 /**
  * Tests for {@link AclClassIdUtils}.
+ *
  * @author paulwheeler
  */
 @RunWith(MockitoJUnitRunner.class)
-public class AclClassIdUtilsTest {
+public class AclClassIdUtilsTests {
 
 	private static final Long DEFAULT_IDENTIFIER = 999L;
+
 	private static final BigInteger BIGINT_IDENTIFIER = new BigInteger("999");
+
 	private static final String DEFAULT_IDENTIFIER_AS_STRING = DEFAULT_IDENTIFIER.toString();
 
 	@Mock
 	private ResultSet resultSet;
+
 	@Mock
 	private ConversionService conversionService;
 
@@ -52,124 +57,82 @@ public class AclClassIdUtilsTest {
 
 	@Before
 	public void setUp() {
-		aclClassIdUtils = new AclClassIdUtils();
+		this.aclClassIdUtils = new AclClassIdUtils();
 	}
 
 	@Test
 	public void shouldReturnLongIfIdentifierIsLong() throws SQLException {
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER, resultSet);
-
-		// then
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongIfIdentifierIsBigInteger() throws SQLException {
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(BIGINT_IDENTIFIER, resultSet);
-
-		// then
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(BIGINT_IDENTIFIER, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongIfClassIdTypeIsNull() throws SQLException {
-		// given
-		given(resultSet.getString("class_id_type")).willReturn(null);
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn(null);
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongIfNoClassIdTypeColumn() throws SQLException {
-		// given
-		given(resultSet.getString("class_id_type")).willThrow(SQLException.class);
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willThrow(SQLException.class);
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongIfTypeClassNotFound() throws SQLException {
-		// given
-		given(resultSet.getString("class_id_type")).willReturn("com.example.UnknownType");
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn("com.example.UnknownType");
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongEvenIfCustomConversionServiceDoesNotSupportLongConversion() throws SQLException {
-		// given
-		given(resultSet.getString("class_id_type")).willReturn("java.lang.Long");
-		given(conversionService.canConvert(String.class, Long.class)).willReturn(false);
-		aclClassIdUtils.setConversionService(conversionService);
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn("java.lang.Long");
+		given(this.conversionService.canConvert(String.class, Long.class)).willReturn(false);
+		this.aclClassIdUtils.setConversionService(this.conversionService);
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnLongWhenLongClassIdType() throws SQLException {
-		// given
-		given(resultSet.getString("class_id_type")).willReturn("java.lang.Long");
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn("java.lang.Long");
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(DEFAULT_IDENTIFIER_AS_STRING, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(DEFAULT_IDENTIFIER);
 	}
 
 	@Test
 	public void shouldReturnUUIDWhenUUIDClassIdType() throws SQLException {
-		// given
 		UUID identifier = UUID.randomUUID();
-		given(resultSet.getString("class_id_type")).willReturn("java.util.UUID");
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(identifier.toString(), resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn("java.util.UUID");
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(identifier.toString(), this.resultSet);
 		assertThat(newIdentifier).isEqualTo(identifier);
 	}
 
 	@Test
 	public void shouldReturnStringWhenStringClassIdType() throws SQLException {
-		// given
 		String identifier = "MY_STRING_IDENTIFIER";
-		given(resultSet.getString("class_id_type")).willReturn("java.lang.String");
-
-		// when
-		Serializable newIdentifier = aclClassIdUtils.identifierFrom(identifier, resultSet);
-
-		// then
+		given(this.resultSet.getString("class_id_type")).willReturn("java.lang.String");
+		Serializable newIdentifier = this.aclClassIdUtils.identifierFrom(identifier, this.resultSet);
 		assertThat(newIdentifier).isEqualTo(identifier);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
 	public void shouldNotAcceptNullConversionServiceInConstruction() {
-		// when
 		new AclClassIdUtils(null);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
 	public void shouldNotAcceptNullConversionServiceInSetter() {
-		// when
-		aclClassIdUtils.setConversionService(null);
+		this.aclClassIdUtils.setConversionService(null);
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/BasicLookupStrategyTests.java

@@ -13,12 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import javax.sql.DataSource;
 
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+
 import org.springframework.jdbc.core.JdbcTemplate;
 
 /**
@@ -28,8 +30,8 @@ import org.springframework.jdbc.core.JdbcTemplate;
  * @author Paul Wheeler
  */
 public class BasicLookupStrategyTests extends AbstractBasicLookupStrategyTests {
-	private static final BasicLookupStrategyTestsDbHelper DATABASE_HELPER = new BasicLookupStrategyTestsDbHelper();
 
+	private static final BasicLookupStrategyTestsDbHelper DATABASE_HELPER = new BasicLookupStrategyTestsDbHelper();
 
 	@BeforeClass
 	public static void createDatabase() throws Exception {
@@ -50,4 +52,5 @@ public class BasicLookupStrategyTests extends AbstractBasicLookupStrategyTests {
 	public DataSource getDataSource() {
 		return DATABASE_HELPER.getDataSource();
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/BasicLookupStrategyTestsDbHelper.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import org.springframework.core.io.ClassPathResource;
@@ -23,15 +24,20 @@ import org.springframework.util.FileCopyUtils;
 
 /**
  * Helper class to initialize the database for BasicLookupStrategyTests.
+ *
  * @author Andrei Stefan
  * @author Paul Wheeler
  */
 public class BasicLookupStrategyTestsDbHelper {
+
 	private static final String ACL_SCHEMA_SQL_FILE = "createAclSchema.sql";
+
 	private static final String ACL_SCHEMA_SQL_FILE_WITH_ACL_CLASS_ID = "createAclSchemaWithAclClassIdType.sql";
 
 	private SingleConnectionDataSource dataSource;
+
 	private JdbcTemplate jdbcTemplate;
+
 	private boolean withAclClassIdType;
 
 	public BasicLookupStrategyTestsDbHelper() {
@@ -45,28 +51,28 @@ public class BasicLookupStrategyTestsDbHelper {
 		// Use a different connection url so the tests can run in parallel
 		String connectionUrl;
 		String sqlClassPathResource;
-		if (!withAclClassIdType) {
+		if (!this.withAclClassIdType) {
 			connectionUrl = "jdbc:hsqldb:mem:lookupstrategytest";
 			sqlClassPathResource = ACL_SCHEMA_SQL_FILE;
-		} else {
+		}
+		else {
 			connectionUrl = "jdbc:hsqldb:mem:lookupstrategytestWithAclClassIdType";
 			sqlClassPathResource = ACL_SCHEMA_SQL_FILE_WITH_ACL_CLASS_ID;
-
 		}
-		dataSource = new SingleConnectionDataSource(connectionUrl, "sa", "", true);
-		dataSource.setDriverClassName("org.hsqldb.jdbcDriver");
-		jdbcTemplate = new JdbcTemplate(dataSource);
-
+		this.dataSource = new SingleConnectionDataSource(connectionUrl, "sa", "", true);
+		this.dataSource.setDriverClassName("org.hsqldb.jdbcDriver");
+		this.jdbcTemplate = new JdbcTemplate(this.dataSource);
 		Resource resource = new ClassPathResource(sqlClassPathResource);
 		String sql = new String(FileCopyUtils.copyToByteArray(resource.getInputStream()));
-		jdbcTemplate.execute(sql);
+		this.jdbcTemplate.execute(sql);
 	}
 
 	public JdbcTemplate getJdbcTemplate() {
-		return jdbcTemplate;
+		return this.jdbcTemplate;
 	}
 
 	public SingleConnectionDataSource getDataSource() {
-		return dataSource;
+		return this.dataSource;
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/BasicLookupStrategyWithAclClassTypeTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
 import java.util.Arrays;
@@ -20,10 +21,12 @@ import java.util.Map;
 
 import javax.sql.DataSource;
 
+import junit.framework.Assert;
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
+
 import org.springframework.core.convert.ConversionFailedException;
 import org.springframework.core.convert.support.DefaultConversionService;
 import org.springframework.jdbc.core.JdbcTemplate;
@@ -34,8 +37,6 @@ import org.springframework.security.acls.domain.ObjectIdentityImpl;
 import org.springframework.security.acls.model.Acl;
 import org.springframework.security.acls.model.ObjectIdentity;
 
-import junit.framework.Assert;
-
 /**
  * Tests {@link BasicLookupStrategy} with Acl Class type id set to UUID.
  *
@@ -67,34 +68,35 @@ public class BasicLookupStrategyWithAclClassTypeTests extends AbstractBasicLooku
 		DATABASE_HELPER.getDataSource().destroy();
 	}
 
+	@Override
 	@Before
 	public void initializeBeans() {
 		super.initializeBeans();
-		uuidEnabledStrategy = new BasicLookupStrategy(getDataSource(), aclCache(), aclAuthStrategy(),
-			new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()));
-		uuidEnabledStrategy.setPermissionFactory(new DefaultPermissionFactory());
-		uuidEnabledStrategy.setAclClassIdSupported(true);
-		uuidEnabledStrategy.setConversionService(new DefaultConversionService());
+		this.uuidEnabledStrategy = new BasicLookupStrategy(getDataSource(), aclCache(), aclAuthStrategy(),
+				new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()));
+		this.uuidEnabledStrategy.setPermissionFactory(new DefaultPermissionFactory());
+		this.uuidEnabledStrategy.setAclClassIdSupported(true);
+		this.uuidEnabledStrategy.setConversionService(new DefaultConversionService());
 	}
 
 	@Before
 	public void populateDatabaseForAclClassTypeTests() {
-		String query = "INSERT INTO acl_class(ID,CLASS,CLASS_ID_TYPE) VALUES (3,'"
-			+ TARGET_CLASS_WITH_UUID
-			+ "', 'java.util.UUID');"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (4,3,'"
-			+ OBJECT_IDENTITY_UUID.toString() + "',null,1,1);"
-			+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (5,3,'"
-			+ OBJECT_IDENTITY_LONG_AS_UUID + "',null,1,1);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (5,4,0,1,8,0,0,0);"
-			+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (6,5,0,1,8,0,0,0);";
+		String query = "INSERT INTO acl_class(ID,CLASS,CLASS_ID_TYPE) VALUES (3,'" + TARGET_CLASS_WITH_UUID
+				+ "', 'java.util.UUID');"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (4,3,'"
+				+ OBJECT_IDENTITY_UUID.toString() + "',null,1,1);"
+				+ "INSERT INTO acl_object_identity(ID,OBJECT_ID_CLASS,OBJECT_ID_IDENTITY,PARENT_OBJECT,OWNER_SID,ENTRIES_INHERITING) VALUES (5,3,'"
+				+ OBJECT_IDENTITY_LONG_AS_UUID + "',null,1,1);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (5,4,0,1,8,0,0,0);"
+				+ "INSERT INTO acl_entry(ID,ACL_OBJECT_IDENTITY,ACE_ORDER,SID,MASK,GRANTING,AUDIT_SUCCESS,AUDIT_FAILURE) VALUES (6,5,0,1,8,0,0,0);";
 		DATABASE_HELPER.getJdbcTemplate().execute(query);
 	}
 
 	@Test
 	public void testReadObjectIdentityUsingUuidType() {
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, OBJECT_IDENTITY_UUID);
-		Map<ObjectIdentity, Acl> foundAcls = uuidEnabledStrategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
+		Map<ObjectIdentity, Acl> foundAcls = this.uuidEnabledStrategy.readAclsById(Arrays.asList(oid),
+				Arrays.asList(BEN_SID));
 		Assert.assertEquals(1, foundAcls.size());
 		Assert.assertNotNull(foundAcls.get(oid));
 	}
@@ -102,7 +104,8 @@ public class BasicLookupStrategyWithAclClassTypeTests extends AbstractBasicLooku
 	@Test
 	public void testReadObjectIdentityUsingLongTypeWithConversionServiceEnabled() {
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS, 100L);
-		Map<ObjectIdentity, Acl> foundAcls = uuidEnabledStrategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
+		Map<ObjectIdentity, Acl> foundAcls = this.uuidEnabledStrategy.readAclsById(Arrays.asList(oid),
+				Arrays.asList(BEN_SID));
 		Assert.assertEquals(1, foundAcls.size());
 		Assert.assertNotNull(foundAcls.get(oid));
 	}
@@ -110,6 +113,7 @@ public class BasicLookupStrategyWithAclClassTypeTests extends AbstractBasicLooku
 	@Test(expected = ConversionFailedException.class)
 	public void testReadObjectIdentityUsingNonUuidInDatabase() {
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, OBJECT_IDENTITY_LONG_AS_UUID);
-		uuidEnabledStrategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
+		this.uuidEnabledStrategy.readAclsById(Arrays.asList(oid), Arrays.asList(BEN_SID));
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/DatabaseSeeder.java

@@ -13,34 +13,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
-import org.springframework.core.io.Resource;
+import java.io.IOException;
 
-import org.springframework.jdbc.core.JdbcTemplate;
+import javax.sql.DataSource;
 
+import org.springframework.core.io.Resource;
+import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.util.Assert;
 import org.springframework.util.FileCopyUtils;
 
-import java.io.IOException;
-
-import javax.sql.DataSource;
-
 /**
  * Seeds the database for {@link JdbcMutableAclServiceTests}.
  *
  * @author Ben Alex
  */
 public class DatabaseSeeder {
-	// ~ Constructors
-	// ===================================================================================================
 
 	public DatabaseSeeder(DataSource dataSource, Resource resource) throws IOException {
 		Assert.notNull(dataSource, "dataSource required");
 		Assert.notNull(resource, "resource required");
-
 		JdbcTemplate template = new JdbcTemplate(dataSource);
 		String sql = new String(FileCopyUtils.copyToByteArray(resource.getInputStream()));
 		template.execute(sql);
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/EhCacheBasedAclCacheTests.java

@@ -13,10 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.jdbc;
 
-import static org.mockito.Mockito.*;
-import static org.assertj.core.api.Assertions.*;
+package org.springframework.security.acls.jdbc;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -28,7 +26,6 @@ import java.util.List;
 
 import net.sf.ehcache.Ehcache;
 import net.sf.ehcache.Element;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -37,7 +34,14 @@ import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
-import org.springframework.security.acls.domain.*;
+
+import org.springframework.security.acls.domain.AclAuthorizationStrategy;
+import org.springframework.security.acls.domain.AclAuthorizationStrategyImpl;
+import org.springframework.security.acls.domain.AclImpl;
+import org.springframework.security.acls.domain.ConsoleAuditLogger;
+import org.springframework.security.acls.domain.DefaultPermissionGrantingStrategy;
+import org.springframework.security.acls.domain.EhCacheBasedAclCache;
+import org.springframework.security.acls.domain.ObjectIdentityImpl;
 import org.springframework.security.acls.model.MutableAcl;
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.authentication.TestingAuthenticationToken;
@@ -47,6 +51,12 @@ import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.util.FieldUtils;
 import org.springframework.test.util.ReflectionTestUtils;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
 /**
  * Tests {@link EhCacheBasedAclCache}
  *
@@ -54,10 +64,12 @@ import org.springframework.test.util.ReflectionTestUtils;
  */
 @RunWith(MockitoJUnitRunner.class)
 public class EhCacheBasedAclCacheTests {
+
 	private static final String TARGET_CLASS = "org.springframework.security.acls.TargetObject";
 
 	@Mock
 	private Ehcache cache;
+
 	@Captor
 	private ArgumentCaptor<Element> element;
 
@@ -67,17 +79,14 @@ public class EhCacheBasedAclCacheTests {
 
 	@Before
 	public void setup() {
-		myCache = new EhCacheBasedAclCache(cache, new DefaultPermissionGrantingStrategy(
-				new ConsoleAuditLogger()), new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_USER")));
-
+		this.myCache = new EhCacheBasedAclCache(this.cache,
+				new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()),
+				new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_USER")));
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-
-		acl = new AclImpl(identity, 1L, aclAuthorizationStrategy,
-				new ConsoleAuditLogger());
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
+		this.acl = new AclImpl(identity, 1L, aclAuthorizationStrategy, new ConsoleAuditLogger());
 	}
 
 	@After
@@ -87,48 +96,43 @@ public class EhCacheBasedAclCacheTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorRejectsNullParameters() {
-		new EhCacheBasedAclCache(null, new DefaultPermissionGrantingStrategy(
-				new ConsoleAuditLogger()), new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_USER")));
+		new EhCacheBasedAclCache(null, new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger()),
+				new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_USER")));
 	}
 
 	@Test
 	public void methodsRejectNullParameters() {
 		try {
 			Serializable id = null;
-			myCache.evictFromCache(id);
+			this.myCache.evictFromCache(id);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			ObjectIdentity obj = null;
-			myCache.evictFromCache(obj);
+			this.myCache.evictFromCache(obj);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			Serializable id = null;
-			myCache.getFromCache(id);
+			this.myCache.getFromCache(id);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			ObjectIdentity obj = null;
-			myCache.getFromCache(obj);
+			this.myCache.getFromCache(obj);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			MutableAcl acl = null;
-			myCache.putInCache(acl);
+			this.myCache.putInCache(acl);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
@@ -142,146 +146,107 @@ public class EhCacheBasedAclCacheTests {
 		File file = File.createTempFile("SEC_TEST", ".object");
 		FileOutputStream fos = new FileOutputStream(file);
 		ObjectOutputStream oos = new ObjectOutputStream(fos);
-		oos.writeObject(acl);
+		oos.writeObject(this.acl);
 		oos.close();
-
 		FileInputStream fis = new FileInputStream(file);
 		ObjectInputStream ois = new ObjectInputStream(fis);
 		MutableAcl retrieved = (MutableAcl) ois.readObject();
 		ois.close();
-
-		assertThat(retrieved).isEqualTo(acl);
-
-		Object retrieved1 = FieldUtils.getProtectedFieldValue("aclAuthorizationStrategy",
-				retrieved);
+		assertThat(retrieved).isEqualTo(this.acl);
+		Object retrieved1 = FieldUtils.getProtectedFieldValue("aclAuthorizationStrategy", retrieved);
 		assertThat(retrieved1).isNull();
-
-		Object retrieved2 = FieldUtils.getProtectedFieldValue(
-				"permissionGrantingStrategy", retrieved);
+		Object retrieved2 = FieldUtils.getProtectedFieldValue("permissionGrantingStrategy", retrieved);
 		assertThat(retrieved2).isNull();
 	}
 
 	@Test
 	public void clearCache() {
-		myCache.clearCache();
-
-		verify(cache).removeAll();
+		this.myCache.clearCache();
+		verify(this.cache).removeAll();
 	}
 
 	@Test
 	public void putInCache() {
-		myCache.putInCache(acl);
-
-		verify(cache, times(2)).put(element.capture());
-		assertThat(element.getValue().getKey()).isEqualTo(acl.getId());
-		assertThat(element.getValue().getObjectValue()).isEqualTo(acl);
-		assertThat(element.getAllValues().get(0).getKey()).isEqualTo(
-				acl.getObjectIdentity());
-		assertThat(element.getAllValues().get(0).getObjectValue()).isEqualTo(acl);
+		this.myCache.putInCache(this.acl);
+		verify(this.cache, times(2)).put(this.element.capture());
+		assertThat(this.element.getValue().getKey()).isEqualTo(this.acl.getId());
+		assertThat(this.element.getValue().getObjectValue()).isEqualTo(this.acl);
+		assertThat(this.element.getAllValues().get(0).getKey()).isEqualTo(this.acl.getObjectIdentity());
+		assertThat(this.element.getAllValues().get(0).getObjectValue()).isEqualTo(this.acl);
 	}
 
 	@Test
 	public void putInCacheAclWithParent() {
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
-		ObjectIdentity identityParent = new ObjectIdentityImpl(TARGET_CLASS,
-				2L);
+		ObjectIdentity identityParent = new ObjectIdentityImpl(TARGET_CLASS, 2L);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
-		MutableAcl parentAcl = new AclImpl(identityParent, 2L,
-				aclAuthorizationStrategy, new ConsoleAuditLogger());
-		acl.setParent(parentAcl);
-
-		myCache.putInCache(acl);
-
-		verify(cache, times(4)).put(element.capture());
-
-		List<Element> allValues = element.getAllValues();
-
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
+		MutableAcl parentAcl = new AclImpl(identityParent, 2L, aclAuthorizationStrategy, new ConsoleAuditLogger());
+		this.acl.setParent(parentAcl);
+		this.myCache.putInCache(this.acl);
+		verify(this.cache, times(4)).put(this.element.capture());
+		List<Element> allValues = this.element.getAllValues();
 		assertThat(allValues.get(0).getKey()).isEqualTo(parentAcl.getObjectIdentity());
 		assertThat(allValues.get(0).getObjectValue()).isEqualTo(parentAcl);
-
 		assertThat(allValues.get(1).getKey()).isEqualTo(parentAcl.getId());
 		assertThat(allValues.get(1).getObjectValue()).isEqualTo(parentAcl);
-
-		assertThat(allValues.get(2).getKey()).isEqualTo(acl.getObjectIdentity());
-		assertThat(allValues.get(2).getObjectValue()).isEqualTo(acl);
-
-		assertThat(allValues.get(3).getKey()).isEqualTo(acl.getId());
-		assertThat(allValues.get(3).getObjectValue()).isEqualTo(acl);
+		assertThat(allValues.get(2).getKey()).isEqualTo(this.acl.getObjectIdentity());
+		assertThat(allValues.get(2).getObjectValue()).isEqualTo(this.acl);
+		assertThat(allValues.get(3).getKey()).isEqualTo(this.acl.getId());
+		assertThat(allValues.get(3).getObjectValue()).isEqualTo(this.acl);
 	}
 
 	@Test
 	public void getFromCacheSerializable() {
-		when(cache.get(acl.getId())).thenReturn(new Element(acl.getId(), acl));
-
-		assertThat(myCache.getFromCache(acl.getId())).isEqualTo(acl);
+		given(this.cache.get(this.acl.getId())).willReturn(new Element(this.acl.getId(), this.acl));
+		assertThat(this.myCache.getFromCache(this.acl.getId())).isEqualTo(this.acl);
 	}
 
 	@Test
 	public void getFromCacheSerializablePopulatesTransient() {
-		when(cache.get(acl.getId())).thenReturn(new Element(acl.getId(), acl));
-
-		myCache.putInCache(acl);
-
-		ReflectionTestUtils.setField(acl, "permissionGrantingStrategy", null);
-		ReflectionTestUtils.setField(acl, "aclAuthorizationStrategy", null);
-
-		MutableAcl fromCache = myCache.getFromCache(acl.getId());
-
-		assertThat(ReflectionTestUtils.getField(fromCache, "aclAuthorizationStrategy"))
-				.isNotNull();
-		assertThat(ReflectionTestUtils.getField(fromCache, "permissionGrantingStrategy"))
-				.isNotNull();
+		given(this.cache.get(this.acl.getId())).willReturn(new Element(this.acl.getId(), this.acl));
+		this.myCache.putInCache(this.acl);
+		ReflectionTestUtils.setField(this.acl, "permissionGrantingStrategy", null);
+		ReflectionTestUtils.setField(this.acl, "aclAuthorizationStrategy", null);
+		MutableAcl fromCache = this.myCache.getFromCache(this.acl.getId());
+		assertThat(ReflectionTestUtils.getField(fromCache, "aclAuthorizationStrategy")).isNotNull();
+		assertThat(ReflectionTestUtils.getField(fromCache, "permissionGrantingStrategy")).isNotNull();
 	}
 
 	@Test
 	public void getFromCacheObjectIdentity() {
-		when(cache.get(acl.getId())).thenReturn(new Element(acl.getId(), acl));
-
-		assertThat(myCache.getFromCache(acl.getId())).isEqualTo(acl);
+		given(this.cache.get(this.acl.getId())).willReturn(new Element(this.acl.getId(), this.acl));
+		assertThat(this.myCache.getFromCache(this.acl.getId())).isEqualTo(this.acl);
 	}
 
 	@Test
 	public void getFromCacheObjectIdentityPopulatesTransient() {
-		when(cache.get(acl.getObjectIdentity()))
-				.thenReturn(new Element(acl.getId(), acl));
-
-		myCache.putInCache(acl);
-
-		ReflectionTestUtils.setField(acl, "permissionGrantingStrategy", null);
-		ReflectionTestUtils.setField(acl, "aclAuthorizationStrategy", null);
-
-		MutableAcl fromCache = myCache.getFromCache(acl.getObjectIdentity());
-
-		assertThat(ReflectionTestUtils.getField(fromCache, "aclAuthorizationStrategy"))
-				.isNotNull();
-		assertThat(ReflectionTestUtils.getField(fromCache, "permissionGrantingStrategy"))
-				.isNotNull();
+		given(this.cache.get(this.acl.getObjectIdentity())).willReturn(new Element(this.acl.getId(), this.acl));
+		this.myCache.putInCache(this.acl);
+		ReflectionTestUtils.setField(this.acl, "permissionGrantingStrategy", null);
+		ReflectionTestUtils.setField(this.acl, "aclAuthorizationStrategy", null);
+		MutableAcl fromCache = this.myCache.getFromCache(this.acl.getObjectIdentity());
+		assertThat(ReflectionTestUtils.getField(fromCache, "aclAuthorizationStrategy")).isNotNull();
+		assertThat(ReflectionTestUtils.getField(fromCache, "permissionGrantingStrategy")).isNotNull();
 	}
 
 	@Test
 	public void evictCacheSerializable() {
-		when(cache.get(acl.getObjectIdentity()))
-				.thenReturn(new Element(acl.getId(), acl));
-
-		myCache.evictFromCache(acl.getObjectIdentity());
-
-		verify(cache).remove(acl.getId());
-		verify(cache).remove(acl.getObjectIdentity());
+		given(this.cache.get(this.acl.getObjectIdentity())).willReturn(new Element(this.acl.getId(), this.acl));
+		this.myCache.evictFromCache(this.acl.getObjectIdentity());
+		verify(this.cache).remove(this.acl.getId());
+		verify(this.cache).remove(this.acl.getObjectIdentity());
 	}
 
 	@Test
 	public void evictCacheObjectIdentity() {
-		when(cache.get(acl.getId())).thenReturn(new Element(acl.getId(), acl));
-
-		myCache.evictFromCache(acl.getId());
-
-		verify(cache).remove(acl.getId());
-		verify(cache).remove(acl.getObjectIdentity());
+		given(this.cache.get(this.acl.getId())).willReturn(new Element(this.acl.getId(), this.acl));
+		this.myCache.evictFromCache(this.acl.getId());
+		verify(this.cache).remove(this.acl.getId());
+		verify(this.cache).remove(this.acl.getObjectIdentity());
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/JdbcAclServiceTests.java

@@ -13,14 +13,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import javax.sql.DataSource;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
+
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
@@ -32,17 +43,15 @@ import org.springframework.security.acls.model.NotFoundException;
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.acls.model.Sid;
 
-import javax.sql.DataSource;
-import java.util.*;
-
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.AdditionalMatchers.aryEq;
-import static org.mockito.ArgumentMatchers.*;
-import static org.mockito.Mockito.when;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyList;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
 
 /**
- * Unit and Integration tests the ACL JdbcAclService using an
- * in-memory database.
+ * Unit and Integration tests the ACL JdbcAclService using an in-memory database.
  *
  * @author Nena Raab
  */
@@ -61,51 +70,48 @@ public class JdbcAclServiceTests {
 	JdbcOperations jdbcOperations;
 
 	private JdbcAclService aclServiceIntegration;
+
 	private JdbcAclService aclService;
 
 	@Before
 	public void setUp() {
-		aclService = new JdbcAclService(jdbcOperations, lookupStrategy);
-		aclServiceIntegration = new JdbcAclService(embeddedDatabase, lookupStrategy);
+		this.aclService = new JdbcAclService(this.jdbcOperations, this.lookupStrategy);
+		this.aclServiceIntegration = new JdbcAclService(this.embeddedDatabase, this.lookupStrategy);
 	}
 
 	@Before
 	public void setUpEmbeddedDatabase() {
-		embeddedDatabase = new EmbeddedDatabaseBuilder()//
-				.addScript("createAclSchemaWithAclClassIdType.sql")
-				.addScript("db/sql/test_data_hierarchy.sql")
-				.build();
+		// @formatter:off
+		this.embeddedDatabase = new EmbeddedDatabaseBuilder()
+			.addScript("createAclSchemaWithAclClassIdType.sql")
+			.addScript("db/sql/test_data_hierarchy.sql")
+			.build();
+		// @formatter:on
 	}
 
 	@After
 	public void tearDownEmbeddedDatabase() {
-		embeddedDatabase.shutdown();
+		this.embeddedDatabase.shutdown();
 	}
 
 	// SEC-1898
 	@Test(expected = NotFoundException.class)
 	public void readAclByIdMissingAcl() {
 		Map<ObjectIdentity, Acl> result = new HashMap<>();
-		when(
-				lookupStrategy.readAclsById(anyList(),
-						anyList())).thenReturn(result);
+		given(this.lookupStrategy.readAclsById(anyList(), anyList())).willReturn(result);
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(Object.class, 1);
 		List<Sid> sids = Arrays.<Sid>asList(new PrincipalSid("user"));
-
-		aclService.readAclById(objectIdentity, sids);
+		this.aclService.readAclById(objectIdentity, sids);
 	}
 
 	@Test
 	public void findOneChildren() {
 		List<ObjectIdentity> result = new ArrayList<>();
 		result.add(new ObjectIdentityImpl(Object.class, "5577"));
-		Object[] args = {"1", "org.springframework.security.acls.jdbc.JdbcAclServiceTests$MockLongIdDomainObject"};
-		when(
-				jdbcOperations.query(anyString(),
-						aryEq(args), any(RowMapper.class))).thenReturn(result);
+		Object[] args = { "1", "org.springframework.security.acls.jdbc.JdbcAclServiceTests$MockLongIdDomainObject" };
+		given(this.jdbcOperations.query(anyString(), eq(args), any(RowMapper.class))).willReturn(result);
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(MockLongIdDomainObject.class, 1L);
-
-		List<ObjectIdentity> objectIdentities = aclService.findChildren(objectIdentity);
+		List<ObjectIdentity> objectIdentities = this.aclService.findChildren(objectIdentity);
 		assertThat(objectIdentities.size()).isEqualTo(1);
 		assertThat(objectIdentities.get(0).getIdentifier()).isEqualTo("5577");
 	}
@@ -113,19 +119,14 @@ public class JdbcAclServiceTests {
 	@Test
 	public void findNoChildren() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(MockLongIdDomainObject.class, 1L);
-
-		List<ObjectIdentity> objectIdentities = aclService.findChildren(objectIdentity);
+		List<ObjectIdentity> objectIdentities = this.aclService.findChildren(objectIdentity);
 		assertThat(objectIdentities).isNull();
 	}
 
-	// ~ Some integration tests
-	// ========================================================================================================
-
 	@Test
 	public void findChildrenWithoutIdType() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(MockLongIdDomainObject.class, 4711L);
-
-		List<ObjectIdentity> objectIdentities = aclServiceIntegration.findChildren(objectIdentity);
+		List<ObjectIdentity> objectIdentities = this.aclServiceIntegration.findChildren(objectIdentity);
 		assertThat(objectIdentities.size()).isEqualTo(1);
 		assertThat(objectIdentities.get(0).getType()).isEqualTo(MockUntypedIdDomainObject.class.getName());
 		assertThat(objectIdentities.get(0).getIdentifier()).isEqualTo(5000L);
@@ -134,16 +135,14 @@ public class JdbcAclServiceTests {
 	@Test
 	public void findChildrenForUnknownObject() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(Object.class, 33);
-
-		List<ObjectIdentity> objectIdentities = aclServiceIntegration.findChildren(objectIdentity);
+		List<ObjectIdentity> objectIdentities = this.aclServiceIntegration.findChildren(objectIdentity);
 		assertThat(objectIdentities).isNull();
 	}
 
 	@Test
 	public void findChildrenOfIdTypeLong() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl("location", "US-PAL");
-
-		List<ObjectIdentity> objectIdentities = aclServiceIntegration.findChildren(objectIdentity);
+		List<ObjectIdentity> objectIdentities = this.aclServiceIntegration.findChildren(objectIdentity);
 		assertThat(objectIdentities.size()).isEqualTo(2);
 		assertThat(objectIdentities.get(0).getType()).isEqualTo(MockLongIdDomainObject.class.getName());
 		assertThat(objectIdentities.get(0).getIdentifier()).isEqualTo(4711L);
@@ -154,9 +153,8 @@ public class JdbcAclServiceTests {
 	@Test
 	public void findChildrenOfIdTypeString() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl("location", "US");
-
-		aclServiceIntegration.setAclClassIdSupported(true);
-		List<ObjectIdentity> objectIdentities = aclServiceIntegration.findChildren(objectIdentity);
+		this.aclServiceIntegration.setAclClassIdSupported(true);
+		List<ObjectIdentity> objectIdentities = this.aclServiceIntegration.findChildren(objectIdentity);
 		assertThat(objectIdentities.size()).isEqualTo(1);
 		assertThat(objectIdentities.get(0).getType()).isEqualTo("location");
 		assertThat(objectIdentities.get(0).getIdentifier()).isEqualTo("US-PAL");
@@ -165,35 +163,40 @@ public class JdbcAclServiceTests {
 	@Test
 	public void findChildrenOfIdTypeUUID() {
 		ObjectIdentity objectIdentity = new ObjectIdentityImpl(MockUntypedIdDomainObject.class, 5000L);
-
-		aclServiceIntegration.setAclClassIdSupported(true);
-		List<ObjectIdentity> objectIdentities = aclServiceIntegration.findChildren(objectIdentity);
+		this.aclServiceIntegration.setAclClassIdSupported(true);
+		List<ObjectIdentity> objectIdentities = this.aclServiceIntegration.findChildren(objectIdentity);
 		assertThat(objectIdentities.size()).isEqualTo(1);
 		assertThat(objectIdentities.get(0).getType()).isEqualTo("costcenter");
-		assertThat(objectIdentities.get(0).getIdentifier()).isEqualTo(UUID.fromString("25d93b3f-c3aa-4814-9d5e-c7c96ced7762"));
+		assertThat(objectIdentities.get(0).getIdentifier())
+				.isEqualTo(UUID.fromString("25d93b3f-c3aa-4814-9d5e-c7c96ced7762"));
 	}
 
-	private class MockLongIdDomainObject {
+	class MockLongIdDomainObject {
+
 		private Object id;
 
-		public Object getId() {
-			return id;
+		Object getId() {
+			return this.id;
 		}
 
-		public void setId(Object id) {
+		void setId(Object id) {
 			this.id = id;
 		}
+
 	}
 
-	private class MockUntypedIdDomainObject {
+	class MockUntypedIdDomainObject {
+
 		private Object id;
 
-		public Object getId() {
-			return id;
+		Object getId() {
+			return this.id;
 		}
 
-		public void setId(Object id) {
+		void setId(Object id) {
 			this.id = id;
 		}
+
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/JdbcMutableAclServiceTests.java

@@ -13,10 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.jdbc;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls.jdbc;
 
 import java.util.Arrays;
 import java.util.List;
@@ -25,6 +23,7 @@ import java.util.Map;
 import javax.sql.DataSource;
 
 import org.junit.Test;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.jdbc.core.JdbcTemplate;
@@ -55,6 +54,11 @@ import org.springframework.test.context.transaction.AfterTransaction;
 import org.springframework.test.context.transaction.BeforeTransaction;
 import org.springframework.transaction.annotation.Transactional;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.spy;
+
 /**
  * Integration tests the ACL system using an in-memory database.
  *
@@ -62,56 +66,49 @@ import org.springframework.transaction.annotation.Transactional;
  * @author Andrei Stefan
  */
 @ContextConfiguration(locations = { "/jdbcMutableAclServiceTests-context.xml" })
-public class JdbcMutableAclServiceTests extends
-		AbstractTransactionalJUnit4SpringContextTests {
-	// ~ Constant fields
-	// ================================================================================================
+public class JdbcMutableAclServiceTests extends AbstractTransactionalJUnit4SpringContextTests {
 
 	private static final String TARGET_CLASS = TargetObject.class.getName();
 
-	private final Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-			"ROLE_ADMINISTRATOR");
+	private final Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_ADMINISTRATOR");
 
 	public static final String SELECT_ALL_CLASSES = "SELECT * FROM acl_class WHERE class = ?";
 
-	// ~ Instance fields
-	// ================================================================================================
+	private final ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS, 100L);
+
+	private final ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS, 101L);
 
-	private final ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS,
-			100L);
-	private final ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS,
-			101L);
-	private final ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS,
-			102L);
+	private final ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 102L);
 
 	@Autowired
 	private JdbcMutableAclService jdbcMutableAclService;
+
 	@Autowired
 	private AclCache aclCache;
+
 	@Autowired
 	private LookupStrategy lookupStrategy;
+
 	@Autowired
 	private DataSource dataSource;
+
 	@Autowired
 	private JdbcTemplate jdbcTemplate;
 
-	// ~ Methods
-	// ========================================================================================================
-
 	protected String getSqlClassPathResource() {
 		return "createAclSchema.sql";
 	}
 
 	protected ObjectIdentity getTopParentOid() {
-		return topParentOid;
+		return this.topParentOid;
 	}
 
 	protected ObjectIdentity getMiddleParentOid() {
-		return middleParentOid;
+		return this.middleParentOid;
 	}
 
 	protected ObjectIdentity getChildOid() {
-		return childOid;
+		return this.childOid;
 	}
 
 	protected String getTargetClass() {
@@ -121,162 +118,134 @@ public class JdbcMutableAclServiceTests extends
 	@BeforeTransaction
 	public void createTables() throws Exception {
 		try {
-			new DatabaseSeeder(dataSource, new ClassPathResource(getSqlClassPathResource()));
+			new DatabaseSeeder(this.dataSource, new ClassPathResource(getSqlClassPathResource()));
 			// new DatabaseSeeder(dataSource, new
 			// ClassPathResource("createAclSchemaPostgres.sql"));
 		}
-		catch (Exception e) {
-			e.printStackTrace();
-			throw e;
+		catch (Exception ex) {
+			ex.printStackTrace();
+			throw ex;
 		}
 	}
 
 	@AfterTransaction
 	public void clearContextAndData() {
 		SecurityContextHolder.clearContext();
-		jdbcTemplate.execute("drop table acl_entry");
-		jdbcTemplate.execute("drop table acl_object_identity");
-		jdbcTemplate.execute("drop table acl_class");
-		jdbcTemplate.execute("drop table acl_sid");
-		aclCache.clearCache();
+		this.jdbcTemplate.execute("drop table acl_entry");
+		this.jdbcTemplate.execute("drop table acl_object_identity");
+		this.jdbcTemplate.execute("drop table acl_class");
+		this.jdbcTemplate.execute("drop table acl_sid");
+		this.aclCache.clearCache();
 	}
 
 	@Test
 	@Transactional
 	public void testLifecycle() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-
-		MutableAcl topParent = jdbcMutableAclService.createAcl(getTopParentOid());
-		MutableAcl middleParent = jdbcMutableAclService.createAcl(getMiddleParentOid());
-		MutableAcl child = jdbcMutableAclService.createAcl(getChildOid());
-
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		MutableAcl topParent = this.jdbcMutableAclService.createAcl(getTopParentOid());
+		MutableAcl middleParent = this.jdbcMutableAclService.createAcl(getMiddleParentOid());
+		MutableAcl child = this.jdbcMutableAclService.createAcl(getChildOid());
 		// Specify the inheritance hierarchy
 		middleParent.setParent(topParent);
 		child.setParent(middleParent);
-
 		// Now let's add a couple of permissions
-		topParent.insertAce(0, BasePermission.READ, new PrincipalSid(auth), true);
-		topParent.insertAce(1, BasePermission.WRITE, new PrincipalSid(auth), false);
-		middleParent.insertAce(0, BasePermission.DELETE, new PrincipalSid(auth), true);
-		child.insertAce(0, BasePermission.DELETE, new PrincipalSid(auth), false);
-
+		topParent.insertAce(0, BasePermission.READ, new PrincipalSid(this.auth), true);
+		topParent.insertAce(1, BasePermission.WRITE, new PrincipalSid(this.auth), false);
+		middleParent.insertAce(0, BasePermission.DELETE, new PrincipalSid(this.auth), true);
+		child.insertAce(0, BasePermission.DELETE, new PrincipalSid(this.auth), false);
 		// Explicitly save the changed ACL
-		jdbcMutableAclService.updateAcl(topParent);
-		jdbcMutableAclService.updateAcl(middleParent);
-		jdbcMutableAclService.updateAcl(child);
-
+		this.jdbcMutableAclService.updateAcl(topParent);
+		this.jdbcMutableAclService.updateAcl(middleParent);
+		this.jdbcMutableAclService.updateAcl(child);
 		// Let's check if we can read them back correctly
-		Map<ObjectIdentity, Acl> map = jdbcMutableAclService.readAclsById(Arrays.asList(
-			getTopParentOid(), getMiddleParentOid(), getChildOid()));
+		Map<ObjectIdentity, Acl> map = this.jdbcMutableAclService
+				.readAclsById(Arrays.asList(getTopParentOid(), getMiddleParentOid(), getChildOid()));
 		assertThat(map).hasSize(3);
-
 		// Replace our current objects with their retrieved versions
 		topParent = (MutableAcl) map.get(getTopParentOid());
 		middleParent = (MutableAcl) map.get(getMiddleParentOid());
 		child = (MutableAcl) map.get(getChildOid());
-
 		// Check the retrieved versions has IDs
 		assertThat(topParent.getId()).isNotNull();
 		assertThat(middleParent.getId()).isNotNull();
 		assertThat(child.getId()).isNotNull();
-
 		// Check their parents were correctly persisted
 		assertThat(topParent.getParentAcl()).isNull();
 		assertThat(middleParent.getParentAcl().getObjectIdentity()).isEqualTo(getTopParentOid());
 		assertThat(child.getParentAcl().getObjectIdentity()).isEqualTo(getMiddleParentOid());
-
 		// Check their ACEs were correctly persisted
 		assertThat(topParent.getEntries()).hasSize(2);
 		assertThat(middleParent.getEntries()).hasSize(1);
 		assertThat(child.getEntries()).hasSize(1);
-
 		// Check the retrieved rights are correct
 		List<Permission> read = Arrays.asList(BasePermission.READ);
 		List<Permission> write = Arrays.asList(BasePermission.WRITE);
 		List<Permission> delete = Arrays.asList(BasePermission.DELETE);
-		List<Sid> pSid = Arrays.asList((Sid) new PrincipalSid(auth));
-
+		List<Sid> pSid = Arrays.asList((Sid) new PrincipalSid(this.auth));
 		assertThat(topParent.isGranted(read, pSid, false)).isTrue();
 		assertThat(topParent.isGranted(write, pSid, false)).isFalse();
 		assertThat(middleParent.isGranted(delete, pSid, false)).isTrue();
 		assertThat(child.isGranted(delete, pSid, false)).isFalse();
-
 		try {
 			child.isGranted(Arrays.asList(BasePermission.ADMINISTRATION), pSid, false);
 			fail("Should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
-
 		// Now check the inherited rights (when not explicitly overridden) also look OK
 		assertThat(child.isGranted(read, pSid, false)).isTrue();
 		assertThat(child.isGranted(write, pSid, false)).isFalse();
 		assertThat(child.isGranted(delete, pSid, false)).isFalse();
-
 		// Next change the child so it doesn't inherit permissions from above
 		child.setEntriesInheriting(false);
-		jdbcMutableAclService.updateAcl(child);
-		child = (MutableAcl) jdbcMutableAclService.readAclById(getChildOid());
+		this.jdbcMutableAclService.updateAcl(child);
+		child = (MutableAcl) this.jdbcMutableAclService.readAclById(getChildOid());
 		assertThat(child.isEntriesInheriting()).isFalse();
-
 		// Check the child permissions no longer inherit
 		assertThat(child.isGranted(delete, pSid, true)).isFalse();
-
 		try {
 			child.isGranted(read, pSid, true);
 			fail("Should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
-
 		try {
 			child.isGranted(write, pSid, true);
 			fail("Should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
-
 		// Let's add an identical permission to the child, but it'll appear AFTER the
 		// current permission, so has no impact
-		child.insertAce(1, BasePermission.DELETE, new PrincipalSid(auth), true);
-
+		child.insertAce(1, BasePermission.DELETE, new PrincipalSid(this.auth), true);
 		// Let's also add another permission to the child
-		child.insertAce(2, BasePermission.CREATE, new PrincipalSid(auth), true);
-
+		child.insertAce(2, BasePermission.CREATE, new PrincipalSid(this.auth), true);
 		// Save the changed child
-		jdbcMutableAclService.updateAcl(child);
-		child = (MutableAcl) jdbcMutableAclService.readAclById(getChildOid());
+		this.jdbcMutableAclService.updateAcl(child);
+		child = (MutableAcl) this.jdbcMutableAclService.readAclById(getChildOid());
 		assertThat(child.getEntries()).hasSize(3);
-
 		// Output permissions
 		for (int i = 0; i < child.getEntries().size(); i++) {
 			System.out.println(child.getEntries().get(i));
 		}
-
 		// Check the permissions are as they should be
-		assertThat(child.isGranted(delete, pSid, true)).isFalse(); // as earlier permission
-															// overrode
+		assertThat(child.isGranted(delete, pSid, true)).isFalse(); // as earlier
+																	// permission
+		// overrode
 		assertThat(child.isGranted(Arrays.asList(BasePermission.CREATE), pSid, true)).isTrue();
-
 		// Now check the first ACE (index 0) really is DELETE for our Sid and is
 		// non-granting
 		AccessControlEntry entry = child.getEntries().get(0);
 		assertThat(entry.getPermission().getMask()).isEqualTo(BasePermission.DELETE.getMask());
-		assertThat(entry.getSid()).isEqualTo(new PrincipalSid(auth));
+		assertThat(entry.getSid()).isEqualTo(new PrincipalSid(this.auth));
 		assertThat(entry.isGranting()).isFalse();
 		assertThat(entry.getId()).isNotNull();
-
 		// Now delete that first ACE
 		child.deleteAce(0);
-
 		// Save and check it worked
-		child = jdbcMutableAclService.updateAcl(child);
+		child = this.jdbcMutableAclService.updateAcl(child);
 		assertThat(child.getEntries()).hasSize(2);
 		assertThat(child.isGranted(delete, pSid, false)).isTrue();
-
 		SecurityContextHolder.clearContext();
 	}
 
@@ -286,38 +255,31 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void deleteAclAlsoDeletesChildren() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-
-		jdbcMutableAclService.createAcl(getTopParentOid());
-		MutableAcl middleParent = jdbcMutableAclService.createAcl(getMiddleParentOid());
-		MutableAcl child = jdbcMutableAclService.createAcl(getChildOid());
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		this.jdbcMutableAclService.createAcl(getTopParentOid());
+		MutableAcl middleParent = this.jdbcMutableAclService.createAcl(getMiddleParentOid());
+		MutableAcl child = this.jdbcMutableAclService.createAcl(getChildOid());
 		child.setParent(middleParent);
-		jdbcMutableAclService.updateAcl(middleParent);
-		jdbcMutableAclService.updateAcl(child);
+		this.jdbcMutableAclService.updateAcl(middleParent);
+		this.jdbcMutableAclService.updateAcl(child);
 		// Check the childOid really is a child of middleParentOid
-		Acl childAcl = jdbcMutableAclService.readAclById(getChildOid());
-
+		Acl childAcl = this.jdbcMutableAclService.readAclById(getChildOid());
 		assertThat(childAcl.getParentAcl().getObjectIdentity()).isEqualTo(getMiddleParentOid());
-
 		// Delete the mid-parent and test if the child was deleted, as well
-		jdbcMutableAclService.deleteAcl(getMiddleParentOid(), true);
-
+		this.jdbcMutableAclService.deleteAcl(getMiddleParentOid(), true);
 		try {
-			jdbcMutableAclService.readAclById(getMiddleParentOid());
+			this.jdbcMutableAclService.readAclById(getMiddleParentOid());
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
 		try {
-			jdbcMutableAclService.readAclById(getChildOid());
+			this.jdbcMutableAclService.readAclById(getChildOid());
 			fail("It should have thrown NotFoundException");
 		}
 		catch (NotFoundException expected) {
-
 		}
-
-		Acl acl = jdbcMutableAclService.readAclById(getTopParentOid());
+		Acl acl = this.jdbcMutableAclService.readAclById(getTopParentOid());
 		assertThat(acl).isNotNull();
 		assertThat(getTopParentOid()).isEqualTo(acl.getObjectIdentity());
 	}
@@ -325,21 +287,19 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	public void constructorRejectsNullParameters() {
 		try {
-			new JdbcMutableAclService(null, lookupStrategy, aclCache);
+			new JdbcMutableAclService(null, this.lookupStrategy, this.aclCache);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
-			new JdbcMutableAclService(dataSource, null, aclCache);
+			new JdbcMutableAclService(this.dataSource, null, this.aclCache);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
-			new JdbcMutableAclService(dataSource, lookupStrategy, null);
+			new JdbcMutableAclService(this.dataSource, this.lookupStrategy, null);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
@@ -349,7 +309,7 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	public void createAclRejectsNullParameter() {
 		try {
-			jdbcMutableAclService.createAcl(null);
+			this.jdbcMutableAclService.createAcl(null);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
@@ -359,13 +319,12 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void createAclForADuplicateDomainObject() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-		ObjectIdentity duplicateOid = new ObjectIdentityImpl(TARGET_CLASS,
-				100L);
-		jdbcMutableAclService.createAcl(duplicateOid);
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		ObjectIdentity duplicateOid = new ObjectIdentityImpl(TARGET_CLASS, 100L);
+		this.jdbcMutableAclService.createAcl(duplicateOid);
 		// Try to add the same object second time
 		try {
-			jdbcMutableAclService.createAcl(duplicateOid);
+			this.jdbcMutableAclService.createAcl(duplicateOid);
 			fail("It should have thrown AlreadyExistsException");
 		}
 		catch (AlreadyExistsException expected) {
@@ -376,7 +335,7 @@ public class JdbcMutableAclServiceTests extends
 	@Transactional
 	public void deleteAclRejectsNullParameters() {
 		try {
-			jdbcMutableAclService.deleteAcl(null, true);
+			this.jdbcMutableAclService.deleteAcl(null, true);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
@@ -386,61 +345,52 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void deleteAclWithChildrenThrowsException() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-		MutableAcl parent = jdbcMutableAclService.createAcl(getTopParentOid());
-		MutableAcl child = jdbcMutableAclService.createAcl(getMiddleParentOid());
-
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		MutableAcl parent = this.jdbcMutableAclService.createAcl(getTopParentOid());
+		MutableAcl child = this.jdbcMutableAclService.createAcl(getMiddleParentOid());
 		// Specify the inheritance hierarchy
 		child.setParent(parent);
-		jdbcMutableAclService.updateAcl(child);
-
+		this.jdbcMutableAclService.updateAcl(child);
 		try {
-			jdbcMutableAclService.setForeignKeysInDatabase(false); // switch on FK
-																	// checking in the
-																	// class, not database
-			jdbcMutableAclService.deleteAcl(getTopParentOid(), false);
+			this.jdbcMutableAclService.setForeignKeysInDatabase(false); // switch on FK
+			// checking in the
+			// class, not database
+			this.jdbcMutableAclService.deleteAcl(getTopParentOid(), false);
 			fail("It should have thrown ChildrenExistException");
 		}
 		catch (ChildrenExistException expected) {
 		}
 		finally {
-			jdbcMutableAclService.setForeignKeysInDatabase(true); // restore to the
-																	// default
+			this.jdbcMutableAclService.setForeignKeysInDatabase(true); // restore to the
+																		// default
 		}
 	}
 
 	@Test
 	@Transactional
 	public void deleteAclRemovesRowsFromDatabase() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
-		MutableAcl child = jdbcMutableAclService.createAcl(getChildOid());
-		child.insertAce(0, BasePermission.DELETE, new PrincipalSid(auth), false);
-		jdbcMutableAclService.updateAcl(child);
-
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
+		MutableAcl child = this.jdbcMutableAclService.createAcl(getChildOid());
+		child.insertAce(0, BasePermission.DELETE, new PrincipalSid(this.auth), false);
+		this.jdbcMutableAclService.updateAcl(child);
 		// Remove the child and check all related database rows were removed accordingly
-		jdbcMutableAclService.deleteAcl(getChildOid(), false);
-		assertThat(
-				jdbcTemplate.queryForList(SELECT_ALL_CLASSES,
-						new Object[] { getTargetClass() })).hasSize(1);
-		assertThat(jdbcTemplate.queryForList("select * from acl_object_identity")
-				).isEmpty();
-		assertThat(jdbcTemplate.queryForList("select * from acl_entry")).isEmpty();
-
+		this.jdbcMutableAclService.deleteAcl(getChildOid(), false);
+		assertThat(this.jdbcTemplate.queryForList(SELECT_ALL_CLASSES, new Object[] { getTargetClass() })).hasSize(1);
+		assertThat(this.jdbcTemplate.queryForList("select * from acl_object_identity")).isEmpty();
+		assertThat(this.jdbcTemplate.queryForList("select * from acl_entry")).isEmpty();
 		// Check the cache
-		assertThat(aclCache.getFromCache(getChildOid())).isNull();
-		assertThat(aclCache.getFromCache(102L)).isNull();
+		assertThat(this.aclCache.getFromCache(getChildOid())).isNull();
+		assertThat(this.aclCache.getFromCache(102L)).isNull();
 	}
 
 	/** SEC-1107 */
 	@Test
 	@Transactional
 	public void identityWithIntegerIdIsSupportedByCreateAcl() {
-		SecurityContextHolder.getContext().setAuthentication(auth);
+		SecurityContextHolder.getContext().setAuthentication(this.auth);
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS, 101);
-		jdbcMutableAclService.createAcl(oid);
-
-		assertThat(jdbcMutableAclService.readAclById(new ObjectIdentityImpl(
-				TARGET_CLASS, 101L))).isNotNull();
+		this.jdbcMutableAclService.createAcl(oid);
+		assertThat(this.jdbcMutableAclService.readAclById(new ObjectIdentityImpl(TARGET_CLASS, 101L))).isNotNull();
 	}
 
 	/**
@@ -449,32 +399,25 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void childrenAreClearedFromCacheWhenParentIsUpdated() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_ADMINISTRATOR");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_ADMINISTRATOR");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity parentOid = new ObjectIdentityImpl(TARGET_CLASS, 104L);
 		ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS, 105L);
-
-		MutableAcl parent = jdbcMutableAclService.createAcl(parentOid);
-		MutableAcl child = jdbcMutableAclService.createAcl(childOid);
-
+		MutableAcl parent = this.jdbcMutableAclService.createAcl(parentOid);
+		MutableAcl child = this.jdbcMutableAclService.createAcl(childOid);
 		child.setParent(parent);
-		jdbcMutableAclService.updateAcl(child);
-
-		parent = (AclImpl) jdbcMutableAclService.readAclById(parentOid);
+		this.jdbcMutableAclService.updateAcl(child);
+		parent = (AclImpl) this.jdbcMutableAclService.readAclById(parentOid);
 		parent.insertAce(0, BasePermission.READ, new PrincipalSid("ben"), true);
-		jdbcMutableAclService.updateAcl(parent);
-
-		parent = (AclImpl) jdbcMutableAclService.readAclById(parentOid);
+		this.jdbcMutableAclService.updateAcl(parent);
+		parent = (AclImpl) this.jdbcMutableAclService.readAclById(parentOid);
 		parent.insertAce(1, BasePermission.READ, new PrincipalSid("scott"), true);
-		jdbcMutableAclService.updateAcl(parent);
-
-		child = (MutableAcl) jdbcMutableAclService.readAclById(childOid);
+		this.jdbcMutableAclService.updateAcl(parent);
+		child = (MutableAcl) this.jdbcMutableAclService.readAclById(childOid);
 		parent = (MutableAcl) child.getParentAcl();
-
-		assertThat(parent.getEntries()).hasSize(2).withFailMessage("Fails because child has a stale reference to its parent");
+		assertThat(parent.getEntries()).hasSize(2)
+				.withFailMessage("Fails because child has a stale reference to its parent");
 		assertThat(parent.getEntries().get(0).getPermission().getMask()).isEqualTo(1);
 		assertThat(parent.getEntries().get(0).getSid()).isEqualTo(new PrincipalSid("ben"));
 		assertThat(parent.getEntries().get(1).getPermission().getMask()).isEqualTo(1);
@@ -487,34 +430,22 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void childrenAreClearedFromCacheWhenParentisUpdated2() {
-		Authentication auth = new TestingAuthenticationToken("system", "secret",
-				"ROLE_IGNORED");
+		Authentication auth = new TestingAuthenticationToken("system", "secret", "ROLE_IGNORED");
 		SecurityContextHolder.getContext().setAuthentication(auth);
-		ObjectIdentityImpl rootObject = new ObjectIdentityImpl(TARGET_CLASS,
-				1L);
-
-		MutableAcl parent = jdbcMutableAclService.createAcl(rootObject);
-		MutableAcl child = jdbcMutableAclService.createAcl(new ObjectIdentityImpl(
-				TARGET_CLASS, 2L));
+		ObjectIdentityImpl rootObject = new ObjectIdentityImpl(TARGET_CLASS, 1L);
+		MutableAcl parent = this.jdbcMutableAclService.createAcl(rootObject);
+		MutableAcl child = this.jdbcMutableAclService.createAcl(new ObjectIdentityImpl(TARGET_CLASS, 2L));
 		child.setParent(parent);
-		jdbcMutableAclService.updateAcl(child);
-
-		parent.insertAce(0, BasePermission.ADMINISTRATION, new GrantedAuthoritySid(
-				"ROLE_ADMINISTRATOR"), true);
-		jdbcMutableAclService.updateAcl(parent);
-
+		this.jdbcMutableAclService.updateAcl(child);
+		parent.insertAce(0, BasePermission.ADMINISTRATION, new GrantedAuthoritySid("ROLE_ADMINISTRATOR"), true);
+		this.jdbcMutableAclService.updateAcl(parent);
 		parent.insertAce(1, BasePermission.DELETE, new PrincipalSid("terry"), true);
-		jdbcMutableAclService.updateAcl(parent);
-
-		child = (MutableAcl) jdbcMutableAclService.readAclById(new ObjectIdentityImpl(
-				TARGET_CLASS, 2L));
-
+		this.jdbcMutableAclService.updateAcl(parent);
+		child = (MutableAcl) this.jdbcMutableAclService.readAclById(new ObjectIdentityImpl(TARGET_CLASS, 2L));
 		parent = (MutableAcl) child.getParentAcl();
-
 		assertThat(parent.getEntries()).hasSize(2);
 		assertThat(parent.getEntries().get(0).getPermission().getMask()).isEqualTo(16);
-		assertThat(parent.getEntries()
-				.get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_ADMINISTRATOR"));
+		assertThat(parent.getEntries().get(0).getSid()).isEqualTo(new GrantedAuthoritySid("ROLE_ADMINISTRATOR"));
 		assertThat(parent.getEntries().get(1).getPermission().getMask()).isEqualTo(8);
 		assertThat(parent.getEntries().get(1).getSid()).isEqualTo(new PrincipalSid("terry"));
 	}
@@ -522,46 +453,41 @@ public class JdbcMutableAclServiceTests extends
 	@Test
 	@Transactional
 	public void cumulativePermissions() {
-		Authentication auth = new TestingAuthenticationToken("ben", "ignored",
-				"ROLE_ADMINISTRATOR");
+		Authentication auth = new TestingAuthenticationToken("ben", "ignored", "ROLE_ADMINISTRATOR");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
-		ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS,
-				110L);
-		MutableAcl topParent = jdbcMutableAclService.createAcl(topParentOid);
-
+		ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS, 110L);
+		MutableAcl topParent = this.jdbcMutableAclService.createAcl(topParentOid);
 		// Add an ACE permission entry
-		Permission cm = new CumulativePermission().set(BasePermission.READ).set(
-				BasePermission.ADMINISTRATION);
+		Permission cm = new CumulativePermission().set(BasePermission.READ).set(BasePermission.ADMINISTRATION);
 		assertThat(cm.getMask()).isEqualTo(17);
 		Sid benSid = new PrincipalSid(auth);
 		topParent.insertAce(0, cm, benSid, true);
 		assertThat(topParent.getEntries()).hasSize(1);
-
 		// Explicitly save the changed ACL
-		topParent = jdbcMutableAclService.updateAcl(topParent);
-
+		topParent = this.jdbcMutableAclService.updateAcl(topParent);
 		// Check the mask was retrieved correctly
 		assertThat(topParent.getEntries().get(0).getPermission().getMask()).isEqualTo(17);
 		assertThat(topParent.isGranted(Arrays.asList(cm), Arrays.asList(benSid), true)).isTrue();
-
 		SecurityContextHolder.clearContext();
 	}
 
 	@Test
 	public void testProcessingCustomSid() {
-		CustomJdbcMutableAclService customJdbcMutableAclService = spy(new CustomJdbcMutableAclService(
-				dataSource, lookupStrategy, aclCache));
+		CustomJdbcMutableAclService customJdbcMutableAclService = spy(
+				new CustomJdbcMutableAclService(this.dataSource, this.lookupStrategy, this.aclCache));
 		CustomSid customSid = new CustomSid("Custom sid");
-		when(
-				customJdbcMutableAclService.createOrRetrieveSidPrimaryKey("Custom sid",
-						false, false)).thenReturn(1L);
+		given(customJdbcMutableAclService.createOrRetrieveSidPrimaryKey("Custom sid", false, false)).willReturn(1L);
+		Long result = customJdbcMutableAclService.createOrRetrieveSidPrimaryKey(customSid, false);
+		assertThat(new Long(1L)).isEqualTo(result);
+	}
 
-		Long result = customJdbcMutableAclService.createOrRetrieveSidPrimaryKey(
-				customSid, false);
+	protected Authentication getAuth() {
+		return this.auth;
+	}
 
-		assertThat(new Long(1L)).isEqualTo(result);
+	protected JdbcMutableAclService getJdbcMutableAclService() {
+		return this.jdbcMutableAclService;
 	}
 
 	/**
@@ -570,8 +496,7 @@ public class JdbcMutableAclServiceTests extends
 	 */
 	private class CustomJdbcMutableAclService extends JdbcMutableAclService {
 
-		private CustomJdbcMutableAclService(DataSource dataSource,
-				LookupStrategy lookupStrategy, AclCache aclCache) {
+		CustomJdbcMutableAclService(DataSource dataSource, LookupStrategy lookupStrategy, AclCache aclCache) {
 			super(dataSource, lookupStrategy, aclCache);
 		}
 
@@ -591,13 +516,7 @@ public class JdbcMutableAclServiceTests extends
 			}
 			return createOrRetrieveSidPrimaryKey(sidName, isPrincipal, allowCreate);
 		}
-	}
 
-	protected Authentication getAuth() {
-		return auth;
 	}
 
-	protected JdbcMutableAclService getJdbcMutableAclService() {
-		return jdbcMutableAclService;
-	}
 }

acl/src/test/java/org/springframework/security/acls/jdbc/JdbcMutableAclServiceTestsWithAclClassId.java

@@ -13,13 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.jdbc;
 
-import static org.assertj.core.api.Assertions.assertThat;
+package org.springframework.security.acls.jdbc;
 
 import java.util.UUID;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.TargetObjectWithUUID;
 import org.springframework.security.acls.domain.ObjectIdentityImpl;
 import org.springframework.security.acls.model.ObjectIdentity;
@@ -27,21 +27,24 @@ import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.transaction.annotation.Transactional;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
- * Integration tests the ACL system using ACL class id type of UUID and using an in-memory database.
+ * Integration tests the ACL system using ACL class id type of UUID and using an in-memory
+ * database.
+ *
  * @author Paul Wheeler
  */
-@ContextConfiguration(locations = {"/jdbcMutableAclServiceTestsWithAclClass-context.xml"})
+@ContextConfiguration(locations = { "/jdbcMutableAclServiceTestsWithAclClass-context.xml" })
 public class JdbcMutableAclServiceTestsWithAclClassId extends JdbcMutableAclServiceTests {
 
 	private static final String TARGET_CLASS_WITH_UUID = TargetObjectWithUUID.class.getName();
 
-	private final ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID,
-		UUID.randomUUID());
-	private final ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID,
-		UUID.randomUUID());
-	private final ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID,
-		UUID.randomUUID());
+	private final ObjectIdentity topParentOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, UUID.randomUUID());
+
+	private final ObjectIdentity middleParentOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, UUID.randomUUID());
+
+	private final ObjectIdentity childOid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, UUID.randomUUID());
 
 	@Override
 	protected String getSqlClassPathResource() {
@@ -50,17 +53,17 @@ public class JdbcMutableAclServiceTestsWithAclClassId extends JdbcMutableAclServ
 
 	@Override
 	protected ObjectIdentity getTopParentOid() {
-		return topParentOid;
+		return this.topParentOid;
 	}
 
 	@Override
 	protected ObjectIdentity getMiddleParentOid() {
-		return middleParentOid;
+		return this.middleParentOid;
 	}
 
 	@Override
 	protected ObjectIdentity getChildOid() {
-		return childOid;
+		return this.childOid;
 	}
 
 	@Override
@@ -72,12 +75,11 @@ public class JdbcMutableAclServiceTestsWithAclClassId extends JdbcMutableAclServ
 	@Transactional
 	public void identityWithUuidIdIsSupportedByCreateAcl() {
 		SecurityContextHolder.getContext().setAuthentication(getAuth());
-
 		UUID id = UUID.randomUUID();
 		ObjectIdentity oid = new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, id);
 		getJdbcMutableAclService().createAcl(oid);
-
-		assertThat(getJdbcMutableAclService().readAclById(new ObjectIdentityImpl(
-			TARGET_CLASS_WITH_UUID, id))).isNotNull();
+		assertThat(getJdbcMutableAclService().readAclById(new ObjectIdentityImpl(TARGET_CLASS_WITH_UUID, id)))
+				.isNotNull();
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/jdbc/SpringCacheBasedAclCacheTests.java

@@ -13,15 +13,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.jdbc;
 
+import java.util.Map;
+
 import org.junit.After;
 import org.junit.BeforeClass;
 import org.junit.Test;
+
 import org.springframework.cache.Cache;
 import org.springframework.cache.CacheManager;
 import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
-import org.springframework.security.acls.domain.*;
+import org.springframework.security.acls.domain.AclAuthorizationStrategy;
+import org.springframework.security.acls.domain.AclAuthorizationStrategyImpl;
+import org.springframework.security.acls.domain.AclImpl;
+import org.springframework.security.acls.domain.AuditLogger;
+import org.springframework.security.acls.domain.ConsoleAuditLogger;
+import org.springframework.security.acls.domain.DefaultPermissionGrantingStrategy;
+import org.springframework.security.acls.domain.ObjectIdentityImpl;
+import org.springframework.security.acls.domain.SpringCacheBasedAclCache;
 import org.springframework.security.acls.model.MutableAcl;
 import org.springframework.security.acls.model.ObjectIdentity;
 import org.springframework.security.acls.model.PermissionGrantingStrategy;
@@ -31,9 +42,7 @@ import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.util.FieldUtils;
 
-import java.util.Map;
-
-import static org.assertj.core.api.Assertions.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * Tests {@link org.springframework.security.acls.domain.SpringCacheBasedAclCache}
@@ -41,6 +50,7 @@ import static org.assertj.core.api.Assertions.*;
  * @author Marten Deinum
  */
 public class SpringCacheBasedAclCacheTests {
+
 	private static final String TARGET_CLASS = "org.springframework.security.acls.TargetObject";
 
 	private static CacheManager cacheManager;
@@ -76,43 +86,31 @@ public class SpringCacheBasedAclCacheTests {
 		Map realCache = (Map) cache.getNativeCache();
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 100L);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
 		AuditLogger auditLogger = new ConsoleAuditLogger();
-
-		PermissionGrantingStrategy permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(
-				auditLogger);
-		SpringCacheBasedAclCache myCache = new SpringCacheBasedAclCache(cache,
-				permissionGrantingStrategy, aclAuthorizationStrategy);
-		MutableAcl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy,
-				auditLogger);
-
+		PermissionGrantingStrategy permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(auditLogger);
+		SpringCacheBasedAclCache myCache = new SpringCacheBasedAclCache(cache, permissionGrantingStrategy,
+				aclAuthorizationStrategy);
+		MutableAcl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy, auditLogger);
 		assertThat(realCache).isEmpty();
 		myCache.putInCache(acl);
-
 		// Check we can get from cache the same objects we put in
 		assertThat(acl).isEqualTo(myCache.getFromCache(1L));
 		assertThat(acl).isEqualTo(myCache.getFromCache(identity));
-
 		// Put another object in cache
 		ObjectIdentity identity2 = new ObjectIdentityImpl(TARGET_CLASS, 101L);
-		MutableAcl acl2 = new AclImpl(identity2, 2L,
-				aclAuthorizationStrategy, new ConsoleAuditLogger());
-
+		MutableAcl acl2 = new AclImpl(identity2, 2L, aclAuthorizationStrategy, new ConsoleAuditLogger());
 		myCache.putInCache(acl2);
-
 		// Try to evict an entry that doesn't exist
 		myCache.evictFromCache(3L);
 		myCache.evictFromCache(new ObjectIdentityImpl(TARGET_CLASS, 102L));
 		assertThat(realCache).hasSize(4);
-
 		myCache.evictFromCache(1L);
 		assertThat(realCache).hasSize(2);
-
 		// Check the second object inserted
 		assertThat(acl2).isEqualTo(myCache.getFromCache(2L));
 		assertThat(acl2).isEqualTo(myCache.getFromCache(identity2));
-
 		myCache.evictFromCache(identity2);
 		assertThat(realCache).isEmpty();
 	}
@@ -122,50 +120,36 @@ public class SpringCacheBasedAclCacheTests {
 	public void cacheOperationsAclWithParent() throws Exception {
 		Cache cache = getCache();
 		Map realCache = (Map) cache.getNativeCache();
-
-		Authentication auth = new TestingAuthenticationToken("user", "password",
-				"ROLE_GENERAL");
+		Authentication auth = new TestingAuthenticationToken("user", "password", "ROLE_GENERAL");
 		auth.setAuthenticated(true);
 		SecurityContextHolder.getContext().setAuthentication(auth);
-
 		ObjectIdentity identity = new ObjectIdentityImpl(TARGET_CLASS, 1L);
-		ObjectIdentity identityParent = new ObjectIdentityImpl(TARGET_CLASS,
-				2L);
+		ObjectIdentity identityParent = new ObjectIdentityImpl(TARGET_CLASS, 2L);
 		AclAuthorizationStrategy aclAuthorizationStrategy = new AclAuthorizationStrategyImpl(
-				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority(
-						"ROLE_AUDITING"), new SimpleGrantedAuthority("ROLE_GENERAL"));
+				new SimpleGrantedAuthority("ROLE_OWNERSHIP"), new SimpleGrantedAuthority("ROLE_AUDITING"),
+				new SimpleGrantedAuthority("ROLE_GENERAL"));
 		AuditLogger auditLogger = new ConsoleAuditLogger();
-
-		PermissionGrantingStrategy permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(
-				auditLogger);
-		SpringCacheBasedAclCache myCache = new SpringCacheBasedAclCache(cache,
-				permissionGrantingStrategy, aclAuthorizationStrategy);
-
-		MutableAcl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy,
-				auditLogger);
-		MutableAcl parentAcl = new AclImpl(identityParent, 2L,
-				aclAuthorizationStrategy, auditLogger);
-
+		PermissionGrantingStrategy permissionGrantingStrategy = new DefaultPermissionGrantingStrategy(auditLogger);
+		SpringCacheBasedAclCache myCache = new SpringCacheBasedAclCache(cache, permissionGrantingStrategy,
+				aclAuthorizationStrategy);
+		MutableAcl acl = new AclImpl(identity, 1L, aclAuthorizationStrategy, auditLogger);
+		MutableAcl parentAcl = new AclImpl(identityParent, 2L, aclAuthorizationStrategy, auditLogger);
 		acl.setParent(parentAcl);
-
 		assertThat(realCache).isEmpty();
 		myCache.putInCache(acl);
 		assertThat(4).isEqualTo(realCache.size());
-
 		// Check we can get from cache the same objects we put in
 		AclImpl aclFromCache = (AclImpl) myCache.getFromCache(1L);
 		assertThat(aclFromCache).isEqualTo(acl);
 		// SEC-951 check transient fields are set on parent
-		assertThat(FieldUtils.getFieldValue(aclFromCache.getParentAcl(),
-				"aclAuthorizationStrategy")).isNotNull();
-		assertThat(FieldUtils.getFieldValue(aclFromCache.getParentAcl(),
-				"permissionGrantingStrategy")).isNotNull();
+		assertThat(FieldUtils.getFieldValue(aclFromCache.getParentAcl(), "aclAuthorizationStrategy")).isNotNull();
+		assertThat(FieldUtils.getFieldValue(aclFromCache.getParentAcl(), "permissionGrantingStrategy")).isNotNull();
 		assertThat(myCache.getFromCache(identity)).isEqualTo(acl);
 		assertThat(FieldUtils.getFieldValue(aclFromCache, "aclAuthorizationStrategy")).isNotNull();
 		AclImpl parentAclFromCache = (AclImpl) myCache.getFromCache(2L);
 		assertThat(parentAclFromCache).isEqualTo(parentAcl);
-		assertThat(FieldUtils.getFieldValue(parentAclFromCache,
-				"aclAuthorizationStrategy")).isNotNull();
+		assertThat(FieldUtils.getFieldValue(parentAclFromCache, "aclAuthorizationStrategy")).isNotNull();
 		assertThat(myCache.getFromCache(identityParent)).isEqualTo(parentAcl);
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/sid/CustomSid.java

@@ -13,12 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.sid;
 
 import org.springframework.security.acls.model.Sid;
 
 /**
  * This class is example of custom {@link Sid} implementation
+ *
  * @author Mikhail Stryzhonok
  */
 public class CustomSid implements Sid {
@@ -30,10 +32,11 @@ public class CustomSid implements Sid {
 	}
 
 	public String getSid() {
-		return sid;
+		return this.sid;
 	}
 
 	public void setSid(String sid) {
 		this.sid = sid;
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/sid/SidRetrievalStrategyTests.java

@@ -13,14 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.acls.sid;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.mockito.Mockito.*;
+package org.springframework.security.acls.sid;
 
 import java.util.List;
 
 import org.junit.Test;
+
 import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
 import org.springframework.security.acls.domain.GrantedAuthoritySid;
 import org.springframework.security.acls.domain.PrincipalSid;
@@ -31,6 +30,11 @@ import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.authority.AuthorityUtils;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.anyCollection;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
 /**
  * Tests for {@link SidRetrievalStrategyImpl}
  *
@@ -39,26 +43,20 @@ import org.springframework.security.core.authority.AuthorityUtils;
  */
 @SuppressWarnings("unchecked")
 public class SidRetrievalStrategyTests {
-	Authentication authentication = new TestingAuthenticationToken("scott", "password",
-			"A", "B", "C");
 
-	// ~ Methods
-	// ========================================================================================================
+	Authentication authentication = new TestingAuthenticationToken("scott", "password", "A", "B", "C");
 
 	@Test
 	public void correctSidsAreRetrieved() {
 		SidRetrievalStrategy retrStrategy = new SidRetrievalStrategyImpl();
-		List<Sid> sids = retrStrategy.getSids(authentication);
-
+		List<Sid> sids = retrStrategy.getSids(this.authentication);
 		assertThat(sids).isNotNull();
 		assertThat(sids).hasSize(4);
 		assertThat(sids.get(0)).isNotNull();
 		assertThat(sids.get(0) instanceof PrincipalSid).isTrue();
-
 		for (int i = 1; i < sids.size(); i++) {
 			assertThat(sids.get(i) instanceof GrantedAuthoritySid).isTrue();
 		}
-
 		assertThat(((PrincipalSid) sids.get(0)).getPrincipal()).isEqualTo("scott");
 		assertThat(((GrantedAuthoritySid) sids.get(1)).getGrantedAuthority()).isEqualTo("A");
 		assertThat(((GrantedAuthoritySid) sids.get(2)).getGrantedAuthority()).isEqualTo("B");
@@ -69,14 +67,13 @@ public class SidRetrievalStrategyTests {
 	public void roleHierarchyIsUsedWhenSet() {
 		RoleHierarchy rh = mock(RoleHierarchy.class);
 		List rhAuthorities = AuthorityUtils.createAuthorityList("D");
-		when(rh.getReachableGrantedAuthorities(anyCollection()))
-				.thenReturn(rhAuthorities);
+		given(rh.getReachableGrantedAuthorities(anyCollection())).willReturn(rhAuthorities);
 		SidRetrievalStrategy strat = new SidRetrievalStrategyImpl(rh);
-
-		List<Sid> sids = strat.getSids(authentication);
+		List<Sid> sids = strat.getSids(this.authentication);
 		assertThat(sids).hasSize(2);
 		assertThat(sids.get(0)).isNotNull();
 		assertThat(sids.get(0) instanceof PrincipalSid).isTrue();
 		assertThat(((GrantedAuthoritySid) sids.get(1)).getGrantedAuthority()).isEqualTo("D");
 	}
+
 }

acl/src/test/java/org/springframework/security/acls/sid/SidTests.java

@@ -13,12 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.acls.sid;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.fail;
+import java.util.Collection;
+import java.util.Collections;
 
 import org.junit.Test;
+
 import org.springframework.security.acls.domain.GrantedAuthoritySid;
 import org.springframework.security.acls.domain.PrincipalSid;
 import org.springframework.security.acls.model.Sid;
@@ -29,13 +31,11 @@ import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.User;
 
-import java.util.Collection;
-import java.util.Collections;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
 
 public class SidTests {
 
-	// ~ Methods
-	// ========================================================================================================
 	@Test
 	public void testPrincipalSidConstructorsRequiredFields() {
 		// Check one String-argument constructor
@@ -46,17 +46,14 @@ public class SidTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
 			new PrincipalSid("");
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		new PrincipalSid("johndoe");
 		// throws no exception
-
 		// Check one Authentication-argument constructor
 		try {
 			Authentication authentication = null;
@@ -65,18 +62,14 @@ public class SidTests {
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
 		try {
-			Authentication authentication = new TestingAuthenticationToken(null,
-					"password");
+			Authentication authentication = new TestingAuthenticationToken(null, "password");
 			new PrincipalSid(authentication);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
 		}
-
-		Authentication authentication = new TestingAuthenticationToken("johndoe",
-				"password");
+		Authentication authentication = new TestingAuthenticationToken("johndoe", "password");
 		new PrincipalSid(authentication);
 		// throws no exception
 	}
@@ -90,25 +83,19 @@ public class SidTests {
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
-
 		}
-
 		try {
 			new GrantedAuthoritySid("");
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
-
 		}
-
 		try {
 			new GrantedAuthoritySid("ROLE_TEST");
-
 		}
 		catch (IllegalArgumentException notExpected) {
 			fail("It shouldn't have thrown IllegalArgumentException");
 		}
-
 		// Check one GrantedAuthority-argument constructor
 		try {
 			GrantedAuthority ga = null;
@@ -116,22 +103,17 @@ public class SidTests {
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
-
 		}
-
 		try {
 			GrantedAuthority ga = new SimpleGrantedAuthority(null);
 			new GrantedAuthoritySid(ga);
 			fail("It should have thrown IllegalArgumentException");
 		}
 		catch (IllegalArgumentException expected) {
-
 		}
-
 		try {
 			GrantedAuthority ga = new SimpleGrantedAuthority("ROLE_TEST");
 			new GrantedAuthoritySid(ga);
-
 		}
 		catch (IllegalArgumentException notExpected) {
 			fail("It shouldn't have thrown IllegalArgumentException");
@@ -140,18 +122,14 @@ public class SidTests {
 
 	@Test
 	public void testPrincipalSidEquals() {
-		Authentication authentication = new TestingAuthenticationToken("johndoe",
-				"password");
+		Authentication authentication = new TestingAuthenticationToken("johndoe", "password");
 		Sid principalSid = new PrincipalSid(authentication);
-
 		assertThat(principalSid.equals(null)).isFalse();
 		assertThat(principalSid.equals("DIFFERENT_TYPE_OBJECT")).isFalse();
 		assertThat(principalSid.equals(principalSid)).isTrue();
 		assertThat(principalSid.equals(new PrincipalSid(authentication))).isTrue();
-		assertThat(principalSid.equals(new PrincipalSid(
-				new TestingAuthenticationToken("johndoe", null)))).isTrue();
-		assertThat(principalSid.equals(new PrincipalSid(
-				new TestingAuthenticationToken("scott", null)))).isFalse();
+		assertThat(principalSid.equals(new PrincipalSid(new TestingAuthenticationToken("johndoe", null)))).isTrue();
+		assertThat(principalSid.equals(new PrincipalSid(new TestingAuthenticationToken("scott", null)))).isFalse();
 		assertThat(principalSid.equals(new PrincipalSid("johndoe"))).isTrue();
 		assertThat(principalSid.equals(new PrincipalSid("scott"))).isFalse();
 	}
@@ -160,59 +138,46 @@ public class SidTests {
 	public void testGrantedAuthoritySidEquals() {
 		GrantedAuthority ga = new SimpleGrantedAuthority("ROLE_TEST");
 		Sid gaSid = new GrantedAuthoritySid(ga);
-
 		assertThat(gaSid.equals(null)).isFalse();
 		assertThat(gaSid.equals("DIFFERENT_TYPE_OBJECT")).isFalse();
 		assertThat(gaSid.equals(gaSid)).isTrue();
 		assertThat(gaSid.equals(new GrantedAuthoritySid(ga))).isTrue();
-		assertThat(gaSid.equals(new GrantedAuthoritySid(
-				new SimpleGrantedAuthority("ROLE_TEST")))).isTrue();
-		assertThat(gaSid.equals(new GrantedAuthoritySid(
-				new SimpleGrantedAuthority("ROLE_NOT_EQUAL")))).isFalse();
+		assertThat(gaSid.equals(new GrantedAuthoritySid(new SimpleGrantedAuthority("ROLE_TEST")))).isTrue();
+		assertThat(gaSid.equals(new GrantedAuthoritySid(new SimpleGrantedAuthority("ROLE_NOT_EQUAL")))).isFalse();
 		assertThat(gaSid.equals(new GrantedAuthoritySid("ROLE_TEST"))).isTrue();
 		assertThat(gaSid.equals(new GrantedAuthoritySid("ROLE_NOT_EQUAL"))).isFalse();
 	}
 
 	@Test
 	public void testPrincipalSidHashCode() {
-		Authentication authentication = new TestingAuthenticationToken("johndoe",
-				"password");
+		Authentication authentication = new TestingAuthenticationToken("johndoe", "password");
 		Sid principalSid = new PrincipalSid(authentication);
-
 		assertThat(principalSid.hashCode()).isEqualTo("johndoe".hashCode());
-		assertThat(principalSid.hashCode()).isEqualTo(
-				new PrincipalSid("johndoe").hashCode());
-		assertThat(principalSid.hashCode()).isNotEqualTo(
-				new PrincipalSid("scott").hashCode());
-		assertThat(principalSid.hashCode()).isNotEqualTo(new PrincipalSid(
-				new TestingAuthenticationToken("scott", "password")).hashCode());
+		assertThat(principalSid.hashCode()).isEqualTo(new PrincipalSid("johndoe").hashCode());
+		assertThat(principalSid.hashCode()).isNotEqualTo(new PrincipalSid("scott").hashCode());
+		assertThat(principalSid.hashCode())
+				.isNotEqualTo(new PrincipalSid(new TestingAuthenticationToken("scott", "password")).hashCode());
 	}
 
 	@Test
 	public void testGrantedAuthoritySidHashCode() {
 		GrantedAuthority ga = new SimpleGrantedAuthority("ROLE_TEST");
 		Sid gaSid = new GrantedAuthoritySid(ga);
-
 		assertThat(gaSid.hashCode()).isEqualTo("ROLE_TEST".hashCode());
-		assertThat(gaSid.hashCode()).isEqualTo(
-				new GrantedAuthoritySid("ROLE_TEST").hashCode());
-		assertThat(gaSid.hashCode()).isNotEqualTo(
-				new GrantedAuthoritySid("ROLE_TEST_2").hashCode());
-		assertThat(gaSid.hashCode()).isNotEqualTo(new GrantedAuthoritySid(
-				new SimpleGrantedAuthority("ROLE_TEST_2")).hashCode());
+		assertThat(gaSid.hashCode()).isEqualTo(new GrantedAuthoritySid("ROLE_TEST").hashCode());
+		assertThat(gaSid.hashCode()).isNotEqualTo(new GrantedAuthoritySid("ROLE_TEST_2").hashCode());
+		assertThat(gaSid.hashCode())
+				.isNotEqualTo(new GrantedAuthoritySid(new SimpleGrantedAuthority("ROLE_TEST_2")).hashCode());
 	}
 
 	@Test
 	public void testGetters() {
-		Authentication authentication = new TestingAuthenticationToken("johndoe",
-				"password");
+		Authentication authentication = new TestingAuthenticationToken("johndoe", "password");
 		PrincipalSid principalSid = new PrincipalSid(authentication);
 		GrantedAuthority ga = new SimpleGrantedAuthority("ROLE_TEST");
 		GrantedAuthoritySid gaSid = new GrantedAuthoritySid(ga);
-
 		assertThat("johndoe".equals(principalSid.getPrincipal())).isTrue();
 		assertThat("scott".equals(principalSid.getPrincipal())).isFalse();
-
 		assertThat("ROLE_TEST".equals(gaSid.getGrantedAuthority())).isTrue();
 		assertThat("ROLE_TEST2".equals(gaSid.getGrantedAuthority())).isFalse();
 	}
@@ -222,7 +187,6 @@ public class SidTests {
 		User user = new User("user", "password", Collections.singletonList(new SimpleGrantedAuthority("ROLE_TEST")));
 		Authentication authentication = new TestingAuthenticationToken(user, "password");
 		PrincipalSid principalSid = new PrincipalSid(authentication);
-
 		assertThat("user").isEqualTo(principalSid.getPrincipal());
 	}
 
@@ -230,7 +194,6 @@ public class SidTests {
 	public void getPrincipalWhenPrincipalNotInstanceOfUserDetailsThenReturnsPrincipalName() {
 		Authentication authentication = new TestingAuthenticationToken("token", "password");
 		PrincipalSid principalSid = new PrincipalSid(authentication);
-
 		assertThat("token").isEqualTo(principalSid.getPrincipal());
 	}
 
@@ -238,11 +201,11 @@ public class SidTests {
 	public void getPrincipalWhenCustomAuthenticationPrincipalThenReturnsPrincipalName() {
 		Authentication authentication = new CustomAuthenticationToken(new CustomToken("token"), null);
 		PrincipalSid principalSid = new PrincipalSid(authentication);
-
 		assertThat("token").isEqualTo(principalSid.getPrincipal());
 	}
 
 	static class CustomAuthenticationToken extends AbstractAuthenticationToken {
+
 		private CustomToken principal;
 
 		CustomAuthenticationToken(CustomToken principal, Collection<GrantedAuthority> authorities) {
@@ -262,11 +225,13 @@ public class SidTests {
 
 		@Override
 		public String getName() {
-			return principal.getName();
+			return this.principal.getName();
 		}
+
 	}
 
 	static class CustomToken {
+
 		private String name;
 
 		CustomToken(String name) {
@@ -274,7 +239,9 @@ public class SidTests {
 		}
 
 		String getName() {
-			return name;
+			return this.name;
 		}
+
 	}
+
 }

aspects/src/test/java/org/springframework/security/access/intercept/aspectj/aspect/AnnotationSecurityAspectTests.java

@@ -13,9 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.springframework.security.access.intercept.aspectj.aspect;
 
-import static org.assertj.core.api.Assertions.*;
+package org.springframework.security.access.intercept.aspectj.aspect;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -49,39 +48,44 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.core.context.SecurityContextHolder;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+
 /**
- *
  * @author Luke Taylor
  * @since 3.0.3
  */
 public class AnnotationSecurityAspectTests {
+
 	private AffirmativeBased adm;
-	private @Mock AuthenticationManager authman;
-	private TestingAuthenticationToken anne = new TestingAuthenticationToken("anne", "",
-			"ROLE_A");
+
+	@Mock
+	private AuthenticationManager authman;
+
+	private TestingAuthenticationToken anne = new TestingAuthenticationToken("anne", "", "ROLE_A");
+
 	// private TestingAuthenticationToken bob = new TestingAuthenticationToken("bob", "",
 	// "ROLE_B");
 	private AspectJMethodSecurityInterceptor interceptor;
+
 	private SecuredImpl secured = new SecuredImpl();
+
 	private SecuredImplSubclass securedSub = new SecuredImplSubclass();
+
 	private PrePostSecured prePostSecured = new PrePostSecured();
 
 	@Before
 	public final void setUp() {
 		MockitoAnnotations.initMocks(this);
-		interceptor = new AspectJMethodSecurityInterceptor();
-		AccessDecisionVoter[] voters = new AccessDecisionVoter[] {
-				new RoleVoter(),
-				new PreInvocationAuthorizationAdviceVoter(
-						new ExpressionBasedPreInvocationAdvice()) };
-		adm = new AffirmativeBased(
-				Arrays.<AccessDecisionVoter<? extends Object>> asList(voters));
-		interceptor.setAccessDecisionManager(adm);
-		interceptor.setAuthenticationManager(authman);
-		interceptor
-				.setSecurityMetadataSource(new SecuredAnnotationSecurityMetadataSource());
+		this.interceptor = new AspectJMethodSecurityInterceptor();
+		AccessDecisionVoter[] voters = new AccessDecisionVoter[] { new RoleVoter(),
+				new PreInvocationAuthorizationAdviceVoter(new ExpressionBasedPreInvocationAdvice()) };
+		this.adm = new AffirmativeBased(Arrays.<AccessDecisionVoter<? extends Object>>asList(voters));
+		this.interceptor.setAccessDecisionManager(this.adm);
+		this.interceptor.setAuthenticationManager(this.authman);
+		this.interceptor.setSecurityMetadataSource(new SecuredAnnotationSecurityMetadataSource());
 		AnnotationSecurityAspect secAspect = AnnotationSecurityAspect.aspectOf();
-		secAspect.setSecurityInterceptor(interceptor);
+		secAspect.setSecurityInterceptor(this.interceptor);
 	}
 
 	@After
@@ -91,59 +95,57 @@ public class AnnotationSecurityAspectTests {
 
 	@Test
 	public void securedInterfaceMethodAllowsAllAccess() {
-		secured.securedMethod();
+		this.secured.securedMethod();
 	}
 
 	@Test(expected = AuthenticationCredentialsNotFoundException.class)
 	public void securedClassMethodDeniesUnauthenticatedAccess() {
-		secured.securedClassMethod();
+		this.secured.securedClassMethod();
 	}
 
 	@Test
 	public void securedClassMethodAllowsAccessToRoleA() {
-		SecurityContextHolder.getContext().setAuthentication(anne);
-		secured.securedClassMethod();
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		this.secured.securedClassMethod();
 	}
 
 	@Test(expected = AccessDeniedException.class)
 	public void internalPrivateCallIsIntercepted() {
-		SecurityContextHolder.getContext().setAuthentication(anne);
-
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
 		try {
-			secured.publicCallsPrivate();
+			this.secured.publicCallsPrivate();
 			fail("Expected AccessDeniedException");
 		}
 		catch (AccessDeniedException expected) {
 		}
-		securedSub.publicCallsPrivate();
+		this.securedSub.publicCallsPrivate();
 	}
 
 	@Test(expected = AccessDeniedException.class)
 	public void protectedMethodIsIntercepted() {
-		SecurityContextHolder.getContext().setAuthentication(anne);
-
-		secured.protectedMethod();
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		this.secured.protectedMethod();
 	}
 
 	@Test
 	public void overriddenProtectedMethodIsNotIntercepted() {
 		// AspectJ doesn't inherit annotations
-		securedSub.protectedMethod();
+		this.securedSub.protectedMethod();
 	}
 
 	// SEC-1262
 	@Test(expected = AccessDeniedException.class)
 	public void denyAllPreAuthorizeDeniesAccess() {
 		configureForElAnnotations();
-		SecurityContextHolder.getContext().setAuthentication(anne);
-		prePostSecured.denyAllMethod();
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		this.prePostSecured.denyAllMethod();
 	}
 
 	@Test
 	public void postFilterIsApplied() {
 		configureForElAnnotations();
-		SecurityContextHolder.getContext().setAuthentication(anne);
-		List<String> objects = prePostSecured.postFilterMethod();
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		List<String> objects = this.prePostSecured.postFilterMethod();
 		assertThat(objects).hasSize(2);
 		assertThat(objects.contains("apple")).isTrue();
 		assertThat(objects.contains("aubergine")).isTrue();
@@ -151,64 +153,73 @@ public class AnnotationSecurityAspectTests {
 
 	private void configureForElAnnotations() {
 		DefaultMethodSecurityExpressionHandler eh = new DefaultMethodSecurityExpressionHandler();
-		interceptor
-				.setSecurityMetadataSource(new PrePostAnnotationSecurityMetadataSource(
-						new ExpressionBasedAnnotationAttributeFactory(eh)));
-		interceptor.setAccessDecisionManager(adm);
+		this.interceptor.setSecurityMetadataSource(
+				new PrePostAnnotationSecurityMetadataSource(new ExpressionBasedAnnotationAttributeFactory(eh)));
+		this.interceptor.setAccessDecisionManager(this.adm);
 		AfterInvocationProviderManager aim = new AfterInvocationProviderManager();
-		aim.setProviders(Arrays.asList(new PostInvocationAdviceProvider(
-				new ExpressionBasedPostInvocationAdvice(eh))));
-		interceptor.setAfterInvocationManager(aim);
+		aim.setProviders(Arrays.asList(new PostInvocationAdviceProvider(new ExpressionBasedPostInvocationAdvice(eh))));
+		this.interceptor.setAfterInvocationManager(aim);
 	}
-}
 
-interface SecuredInterface {
-	@Secured("ROLE_X")
-	void securedMethod();
-}
+	interface SecuredInterface {
 
-class SecuredImpl implements SecuredInterface {
-	// Not really secured because AspectJ doesn't inherit annotations from interfaces
-	public void securedMethod() {
-	}
+		@Secured("ROLE_X")
+		void securedMethod();
 
-	@Secured("ROLE_A")
-	public void securedClassMethod() {
 	}
 
-	@Secured("ROLE_X")
-	private void privateMethod() {
-	}
+	static class SecuredImpl implements SecuredInterface {
 
-	@Secured("ROLE_X")
-	protected void protectedMethod() {
-	}
+		// Not really secured because AspectJ doesn't inherit annotations from interfaces
+		@Override
+		public void securedMethod() {
+		}
 
-	@Secured("ROLE_X")
-	public void publicCallsPrivate() {
-		privateMethod();
-	}
-}
+		@Secured("ROLE_A")
+		public void securedClassMethod() {
+		}
 
-class SecuredImplSubclass extends SecuredImpl {
-	protected void protectedMethod() {
-	}
+		@Secured("ROLE_X")
+		private void privateMethod() {
+		}
+
+		@Secured("ROLE_X")
+		protected void protectedMethod() {
+		}
+
+		@Secured("ROLE_X")
+		public void publicCallsPrivate() {
+			privateMethod();
+		}
 
-	public void publicCallsPrivate() {
-		super.publicCallsPrivate();
 	}
-}
 
-class PrePostSecured {
-	@PreAuthorize("denyAll")
-	public void denyAllMethod() {
+	static class SecuredImplSubclass extends SecuredImpl {
+
+		@Override
+		protected void protectedMethod() {
+		}
+
+		@Override
+		public void publicCallsPrivate() {
+			super.publicCallsPrivate();
+		}
+
 	}
 
-	@PostFilter("filterObject.startsWith('a')")
-	public List<String> postFilterMethod() {
-		ArrayList<String> objects = new ArrayList<>();
-		objects.addAll(Arrays.asList(new String[] { "apple", "banana", "aubergine",
-				"orange" }));
-		return objects;
+	static class PrePostSecured {
+
+		@PreAuthorize("denyAll")
+		public void denyAllMethod() {
+		}
+
+		@PostFilter("filterObject.startsWith('a')")
+		public List<String> postFilterMethod() {
+			ArrayList<String> objects = new ArrayList<>();
+			objects.addAll(Arrays.asList(new String[] { "apple", "banana", "aubergine", "orange" }));
+			return objects;
+		}
+
 	}
+
 }

build.gradle

@@ -1,6 +1,7 @@
 buildscript {
 	dependencies {
 		classpath 'io.spring.gradle:spring-build-conventions:0.0.33.RELEASE'
+		classpath "io.spring.javaformat:spring-javaformat-gradle-plugin:$springJavaformatVersion"
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion"
 		classpath 'io.spring.nohttp:nohttp-gradle:0.0.5.RELEASE'
 		classpath "io.freefair.gradle:aspectj-plugin:5.0.1"
@@ -34,12 +35,35 @@ subprojects {
 	plugins.withType(JavaPlugin) {
 		project.sourceCompatibility='1.8'
 	}
-
 	tasks.withType(JavaCompile) {
 		options.encoding = "UTF-8"
 	}
 }
 
+allprojects {
+	apply plugin: 'io.spring.javaformat'
+	apply plugin: 'checkstyle'
+
+	pluginManager.withPlugin("io.spring.convention.checkstyle", { plugin ->
+		configure(plugin) {
+			dependencies {
+				checkstyle "io.spring.javaformat:spring-javaformat-checkstyle:$springJavaformatVersion"
+			}
+			checkstyle {
+				toolVersion = '8.34'
+			}
+		}
+	})
+
+	if (project.name.contains('sample')) {
+		tasks.whenTaskAdded { task ->
+			if (task.name.contains('format') || task.name.contains('checkFormat') || task.name.contains("checkstyle")) {
+				task.enabled = false
+			}
+		}
+	}
+}
+
 nohttp {
 	allowlistFile = project.file("etc/nohttp/allowlist.lines")
 }

buildSrc/src/main/java/lock/GlobalLockPlugin.java

@@ -9,7 +9,7 @@ import org.gradle.api.Project;
 public class GlobalLockPlugin implements Plugin<Project> {
 	@Override
 	public void apply(Project project) {
-		project.getTasks().register("writeLocks", GlobalLockTask.class, writeAll -> {
+		project.getTasks().register("writeLocks", GlobalLockTask.class, (writeAll) -> {
 			writeAll.setDescription("Writes the locks for all projects");
 		});
 	}

buildSrc/src/main/java/trang/TrangPlugin.java

@@ -10,7 +10,7 @@ import org.gradle.api.Project;
 public class TrangPlugin implements Plugin<Project> {
 	@Override
 	public void apply(Project project) {
-		project.getTasks().register("rncToXsd", RncToXsd.class, rncToXsd -> {
+		project.getTasks().register("rncToXsd", RncToXsd.class, (rncToXsd) -> {
 			rncToXsd.setDescription("Converts .rnc to .xsd");
 			rncToXsd.setGroup("Build");
 		});

cas/src/main/java/org/springframework/security/cas/SamlServiceProperties.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.cas;
 
 /**
@@ -32,4 +33,5 @@ public final class SamlServiceProperties extends ServiceProperties {
 		super.setArtifactParameter(DEFAULT_SAML_ARTIFACT_PARAMETER);
 		super.setServiceParameter(DEFAULT_SAML_SERVICE_PARAMETER);
 	}
+
 }

cas/src/main/java/org/springframework/security/cas/ServiceProperties.java

@@ -34,9 +34,6 @@ public class ServiceProperties implements InitializingBean {
 
 	public static final String DEFAULT_CAS_SERVICE_PARAMETER = "service";
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	private String service;
 
 	private boolean authenticateAllArtifacts;
@@ -47,9 +44,7 @@ public class ServiceProperties implements InitializingBean {
 
 	private String serviceParameter = DEFAULT_CAS_SERVICE_PARAMETER;
 
-	// ~ Methods
-	// ========================================================================================================
-
+	@Override
 	public void afterPropertiesSet() {
 		Assert.hasLength(this.service, "service cannot be empty.");
 		Assert.hasLength(this.artifactParameter, "artifactParameter cannot be empty.");
@@ -65,7 +60,6 @@ public class ServiceProperties implements InitializingBean {
 	 * <pre>
 	 * https://www.mycompany.com/application/login/cas
 	 * </pre>
-	 *
 	 * @return the URL of the service the user is authenticating to
 	 */
 	public final String getService() {
@@ -81,7 +75,6 @@ public class ServiceProperties implements InitializingBean {
 	 * ticket was generated as a consequence of an explicit login. High security
 	 * applications would probably set this to <code>true</code>. Defaults to
 	 * <code>false</code>, providing automated single sign on.
-	 *
 	 * @return whether to send the <code>renew</code> parameter to CAS
 	 */
 	public final boolean isSendRenew() {
@@ -103,7 +96,6 @@ public class ServiceProperties implements InitializingBean {
 	/**
 	 * Configures the Request Parameter to look for when attempting to see if a CAS ticket
 	 * was sent from the server.
-	 *
 	 * @param artifactParameter the id to use. Default is "ticket".
 	 */
 	public final void setArtifactParameter(final String artifactParameter) {
@@ -113,7 +105,6 @@ public class ServiceProperties implements InitializingBean {
 	/**
 	 * Configures the Request parameter to look for when attempting to send a request to
 	 * CAS.
-	 *
 	 * @return the service parameter to use. Default is "service".
 	 */
 	public final String getServiceParameter() {
@@ -132,11 +123,10 @@ public class ServiceProperties implements InitializingBean {
 	 * If true, then any non-null artifact (ticket) should be authenticated. Additionally,
 	 * the service will be determined dynamically in order to ensure the service matches
 	 * the expected value for this artifact.
-	 *
 	 * @param authenticateAllArtifacts
 	 */
-	public final void setAuthenticateAllArtifacts(
-			final boolean authenticateAllArtifacts) {
+	public final void setAuthenticateAllArtifacts(final boolean authenticateAllArtifacts) {
 		this.authenticateAllArtifacts = authenticateAllArtifacts;
 	}
+
 }

cas/src/main/java/org/springframework/security/cas/authentication/CasAssertionAuthenticationToken.java

@@ -13,11 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.security.cas.authentication;
 
 import java.util.ArrayList;
 
 import org.jasig.cas.client.validation.Assertion;
+
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.SpringSecurityCoreVersion;
 
@@ -37,15 +39,16 @@ public final class CasAssertionAuthenticationToken extends AbstractAuthenticatio
 
 	public CasAssertionAuthenticationToken(final Assertion assertion, final String ticket) {
 		super(new ArrayList<>());
-
 		this.assertion = assertion;
 		this.ticket = ticket;
 	}
 
+	@Override
 	public Object getPrincipal() {
 		return this.assertion.getPrincipal().getName();
 	}
 
+	@Override
 	public Object getCredentials() {
 		return this.ticket;
 	}
@@ -53,4 +56,5 @@ public final class CasAssertionAuthenticationToken extends AbstractAuthenticatio
 	public Assertion getAssertion() {
 		return this.assertion;
 	}
+
 }

cas/src/main/java/org/springframework/security/cas/authentication/CasAuthenticationProvider.java

@@ -21,10 +21,12 @@ import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.validation.Assertion;
 import org.jasig.cas.client.validation.TicketValidationException;
 import org.jasig.cas.client.validation.TicketValidator;
+
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.context.MessageSource;
 import org.springframework.context.MessageSourceAware;
 import org.springframework.context.support.MessageSourceAccessor;
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.authentication.AccountStatusUserDetailsChecker;
 import org.springframework.security.authentication.AuthenticationProvider;
 import org.springframework.security.authentication.BadCredentialsException;
@@ -37,7 +39,11 @@ import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.core.SpringSecurityMessageSource;
 import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
 import org.springframework.security.core.authority.mapping.NullAuthoritiesMapper;
-import org.springframework.security.core.userdetails.*;
+import org.springframework.security.core.userdetails.AuthenticationUserDetailsService;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsByNameServiceWrapper;
+import org.springframework.security.core.userdetails.UserDetailsChecker;
+import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.util.Assert;
 
 /**
@@ -54,118 +60,93 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  * @author Scott Battaglia
  */
-public class CasAuthenticationProvider implements AuthenticationProvider,
-		InitializingBean, MessageSourceAware {
-	// ~ Static fields/initializers
-	// =====================================================================================
+public class CasAuthenticationProvider implements AuthenticationProvider, InitializingBean, MessageSourceAware {
 
 	private static final Log logger = LogFactory.getLog(CasAuthenticationProvider.class);
 
-	// ~ Instance fields
-	// ================================================================================================
-
 	private AuthenticationUserDetailsService<CasAssertionAuthenticationToken> authenticationUserDetailsService;
 
 	private final UserDetailsChecker userDetailsChecker = new AccountStatusUserDetailsChecker();
+
 	protected MessageSourceAccessor messages = SpringSecurityMessageSource.getAccessor();
+
 	private StatelessTicketCache statelessTicketCache = new NullStatelessTicketCache();
+
 	private String key;
+
 	private TicketValidator ticketValidator;
+
 	private ServiceProperties serviceProperties;
-	private GrantedAuthoritiesMapper authoritiesMapper = new NullAuthoritiesMapper();
 
-	// ~ Methods
-	// ========================================================================================================
+	private GrantedAuthoritiesMapper authoritiesMapper = new NullAuthoritiesMapper();
 
+	@Override
 	public void afterPropertiesSet() {
-		Assert.notNull(this.authenticationUserDetailsService,
-				"An authenticationUserDetailsService must be set");
+		Assert.notNull(this.authenticationUserDetailsService, "An authenticationUserDetailsService must be set");
 		Assert.notNull(this.ticketValidator, "A ticketValidator must be set");
 		Assert.notNull(this.statelessTicketCache, "A statelessTicketCache must be set");
-		Assert.hasText(
-				this.key,
+		Assert.hasText(this.key,
 				"A Key is required so CasAuthenticationProvider can identify tokens it previously authenticated");
 		Assert.notNull(this.messages, "A message source must be set");
 	}
 
-	public Authentication authenticate(Authentication authentication)
-			throws AuthenticationException {
+	@Override
+	public Authentication authenticate(Authentication authentication) throws AuthenticationException {
 		if (!supports(authentication.getClass())) {
 			return null;
 		}
-
 		if (authentication instanceof UsernamePasswordAuthenticationToken
-				&& (!CasAuthenticationFilter.CAS_STATEFUL_IDENTIFIER
-						.equals(authentication.getPrincipal().toString()) && !CasAuthenticationFilter.CAS_STATELESS_IDENTIFIER
-						.equals(authentication.getPrincipal().toString()))) {
+				&& (!CasAuthenticationFilter.CAS_STATEFUL_IDENTIFIER.equals(authentication.getPrincipal().toString())
+						&& !CasAuthenticationFilter.CAS_STATELESS_IDENTIFIER
+								.equals(authentication.getPrincipal().toString()))) {
 			// UsernamePasswordAuthenticationToken not CAS related
 			return null;
 		}
-
 		// If an existing CasAuthenticationToken, just check we created it
 		if (authentication instanceof CasAuthenticationToken) {
-			if (this.key.hashCode() == ((CasAuthenticationToken) authentication)
-					.getKeyHash()) {
-				return authentication;
-			}
-			else {
-				throw new BadCredentialsException(
-						messages.getMessage("CasAuthenticationProvider.incorrectKey",
-								"The presented CasAuthenticationToken does not contain the expected key"));
+			if (this.key.hashCode() != ((CasAuthenticationToken) authentication).getKeyHash()) {
+				throw new BadCredentialsException(this.messages.getMessage("CasAuthenticationProvider.incorrectKey",
+						"The presented CasAuthenticationToken does not contain the expected key"));
 			}
+			return authentication;
 		}
 
 		// Ensure credentials are presented
-		if ((authentication.getCredentials() == null)
-				|| "".equals(authentication.getCredentials())) {
-			throw new BadCredentialsException(messages.getMessage(
-					"CasAuthenticationProvider.noServiceTicket",
+		if ((authentication.getCredentials() == null) || "".equals(authentication.getCredentials())) {
+			throw new BadCredentialsException(this.messages.getMessage("CasAuthenticationProvider.noServiceTicket",
 					"Failed to provide a CAS service ticket to validate"));
 		}
 
-		boolean stateless = false;
-
-		if (authentication instanceof UsernamePasswordAuthenticationToken
-				&& CasAuthenticationFilter.CAS_STATELESS_IDENTIFIER.equals(authentication
-						.getPrincipal())) {
-			stateless = true;
-		}
-
+		boolean stateless = (authentication instanceof UsernamePasswordAuthenticationToken
+				&& CasAuthenticationFilter.CAS_STATELESS_IDENTIFIER.equals(authentication.getPrincipal()));
 		CasAuthenticationToken result = null;
 
 		if (stateless) {
 			// Try to obtain from cache
-			result = statelessTicketCache.getByTicketId(authentication.getCredentials()
-					.toString());
+			result = this.statelessTicketCache.getByTicketId(authentication.getCredentials().toString());
 		}
-
 		if (result == null) {
 			result = this.authenticateNow(authentication);
 			result.setDetails(authentication.getDetails());
 		}
-
 		if (stateless) {
 			// Add to cache
-			statelessTicketCache.putTicketInCache(result);
+			this.statelessTicketCache.putTicketInCache(result);
 		}
-
 		return result;
 	}
 
-	private CasAuthenticationToken authenticateNow(final Authentication authentication)
-			throws AuthenticationException {
+	private CasAuthenticationToken authenticateNow(final Authentication authentication) throws AuthenticationException {
 		try {
-			final Assertion assertion = this.ticketValidator.validate(authentication
-					.getCredentials().toString(), getServiceUrl(authentication));
-			final UserDetails userDetails = loadUserByAssertion(assertion);
-			userDetailsChecker.check(userDetails);
-			return new CasAuthenticationToken(this.key, userDetails,
-					authentication.getCredentials(),
-					authoritiesMapper.mapAuthorities(userDetails.getAuthorities()),
-					userDetails, assertion);
+			Assertion assertion = this.ticketValidator.validate(authentication.getCredentials().toString(),
+					getServiceUrl(authentication));
+			UserDetails userDetails = loadUserByAssertion(assertion);
+			this.userDetailsChecker.check(userDetails);
+			return new CasAuthenticationToken(this.key, userDetails, authentication.getCredentials(),
+					this.authoritiesMapper.mapAuthorities(userDetails.getAuthorities()), userDetails, assertion);
 		}
-		catch (final TicketValidationException e) {
-			throw new BadCredentialsException(e.getMessage(), e);
+		catch (TicketValidationException ex) {
+			throw new BadCredentialsException(ex.getMessage(), ex);
 		}
 	}
 
@@ -174,30 +155,20 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	 * {@link ServiceAuthenticationDetails}, then
 	 * {@link ServiceAuthenticationDetails#getServiceUrl()} is used. Otherwise, the
 	 * {@link ServiceProperties#getService()} is used.
-	 *
 	 * @param authentication
 	 * @return
 	 */
 	private String getServiceUrl(Authentication authentication) {
 		String serviceUrl;
 		if (authentication.getDetails() instanceof ServiceAuthenticationDetails) {
-			serviceUrl = ((ServiceAuthenticationDetails) authentication.getDetails())
-					.getServiceUrl();
-		}
-		else if (serviceProperties == null) {
-			throw new IllegalStateException(
-					"serviceProperties cannot be null unless Authentication.getDetails() implements ServiceAuthenticationDetails.");
-		}
-		else if (serviceProperties.getService() == null) {
-			throw new IllegalStateException(
-					"serviceProperties.getService() cannot be null unless Authentication.getDetails() implements ServiceAuthenticationDetails.");
-		}
-		else {
-			serviceUrl = serviceProperties.getService();
-		}
-		if (logger.isDebugEnabled()) {
-			logger.debug("serviceUrl = " + serviceUrl);
+			return ((ServiceAuthenticationDetails) authentication.getDetails()).getServiceUrl();
 		}
+		Assert.state(this.serviceProperties != null,
+				"serviceProperties cannot be null unless Authentication.getDetails() implements ServiceAuthenticationDetails.");
+		Assert.state(this.serviceProperties.getService() != null,
+				"serviceProperties.getService() cannot be null unless Authentication.getDetails() implements ServiceAuthenticationDetails.");
+		serviceUrl = this.serviceProperties.getService();
+		logger.debug(LogMessage.format("serviceUrl = %s", serviceUrl));
 		return serviceUrl;
 	}
 
@@ -205,13 +176,11 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	 * Template method for retrieving the UserDetails based on the assertion. Default is
 	 * to call configured userDetailsService and pass the username. Deployers can override
 	 * this method and retrieve the user based on any criteria they desire.
-	 *
 	 * @param assertion The CAS Assertion.
 	 * @return the UserDetails.
 	 */
 	protected UserDetails loadUserByAssertion(final Assertion assertion) {
-		final CasAssertionAuthenticationToken token = new CasAssertionAuthenticationToken(
-				assertion, "");
+		final CasAssertionAuthenticationToken token = new CasAssertionAuthenticationToken(assertion, "");
 		return this.authenticationUserDetailsService.loadUserDetails(token);
 	}
 
@@ -220,8 +189,7 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	 * Sets the UserDetailsService to use. This is a convenience method to invoke
 	 */
 	public void setUserDetailsService(final UserDetailsService userDetailsService) {
-		this.authenticationUserDetailsService = new UserDetailsByNameServiceWrapper(
-				userDetailsService);
+		this.authenticationUserDetailsService = new UserDetailsByNameServiceWrapper(userDetailsService);
 	}
 
 	public void setAuthenticationUserDetailsService(
@@ -234,7 +202,7 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	}
 
 	protected String getKey() {
-		return key;
+		return this.key;
 	}
 
 	public void setKey(String key) {
@@ -242,13 +210,14 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 	}
 
 	public StatelessTicketCache getStatelessTicketCache() {
-		return statelessTicketCache;
+		return this.statelessTicketCache;
 	}
 
 	protected TicketValidator getTicketValidator() {
-		return ticketValidator;
+		return this.ticketValidator;
 	}
 
+	@Override
 	public void setMessageSource(final MessageSource messageSource) {
 		this.messages = new MessageSourceAccessor(messageSource);
 	}
@@ -265,11 +234,11 @@ public class CasAuthenticationProvider implements AuthenticationProvider,
 		this.authoritiesMapper = authoritiesMapper;
 	}
 
+	@Override
 	public boolean supports(final Class<?> authentication) {
-		return (UsernamePasswordAuthenticationToken.class
-				.isAssignableFrom(authentication))
+		return (UsernamePasswordAuthenticationToken.class.isAssignableFrom(authentication))
 				|| (CasAuthenticationToken.class.isAssignableFrom(authentication))
-				|| (CasAssertionAuthenticationToken.class
-						.isAssignableFrom(authentication));
+				|| (CasAssertionAuthenticationToken.class.isAssignableFrom(authentication));
 	}
+
 }

cas/src/main/java/org/springframework/security/cas/authentication/CasAuthenticationToken.java

@@ -20,11 +20,13 @@ import java.io.Serializable;
 import java.util.Collection;
 
 import org.jasig.cas.client.validation.Assertion;
+
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.util.Assert;
+import org.springframework.util.ObjectUtils;
 
 /**
  * Represents a successful CAS <code>Authentication</code>.
@@ -32,80 +34,69 @@ import org.springframework.util.Assert;
  * @author Ben Alex
  * @author Scott Battaglia
  */
-public class CasAuthenticationToken extends AbstractAuthenticationToken implements
-		Serializable {
+public class CasAuthenticationToken extends AbstractAuthenticationToken implements Serializable {
 
 	private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;
 
-	// ~ Instance fields
-	// ================================================================================================
 	private final Object credentials;
+
 	private final Object principal;
+
 	private final UserDetails userDetails;
+
 	private final int keyHash;
-	private final Assertion assertion;
 
-	// ~ Constructors
-	// ===================================================================================================
+	private final Assertion assertion;
 
 	/**
 	 * Constructor.
-	 *
-	 * @param key         to identify if this object made by a given
-	 *                    {@link CasAuthenticationProvider}
-	 * @param principal   typically the UserDetails object (cannot be <code>null</code>)
+	 * @param key to identify if this object made by a given
+	 * {@link CasAuthenticationProvider}
+	 * @param principal typically the UserDetails object (cannot be <code>null</code>)
 	 * @param credentials the service/proxy ticket ID from CAS (cannot be
-	 *                    <code>null</code>)
+	 * <code>null</code>)
 	 * @param authorities the authorities granted to the user (from the
-	 *                    {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
-	 *                    be <code>null</code>)
+	 * {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
+	 * be <code>null</code>)
 	 * @param userDetails the user details (from the
-	 *                    {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
-	 *                    be <code>null</code>)
-	 * @param assertion   the assertion returned from the CAS servers. It contains the
-	 *                    principal and how to obtain a proxy ticket for the user.
+	 * {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
+	 * be <code>null</code>)
+	 * @param assertion the assertion returned from the CAS servers. It contains the
+	 * principal and how to obtain a proxy ticket for the user.
 	 * @throws IllegalArgumentException if a <code>null</code> was passed
 	 */
-	public CasAuthenticationToken(final String key, final Object principal,
-								final Object credentials,
-								final Collection<? extends GrantedAuthority> authorities,
-								final UserDetails userDetails, final Assertion assertion) {
+	public CasAuthenticationToken(final String key, final Object principal, final Object credentials,
+			final Collection<? extends GrantedAuthority> authorities, final UserDetails userDetails,
+			final Assertion assertion) {
 		this(extractKeyHash(key), principal, credentials, authorities, userDetails, assertion);
 	}
 
 	/**
 	 * Private constructor for Jackson Deserialization support
-	 *
-	 * @param keyHash     hashCode of provided key to identify if this object made by a given
-	 *                    {@link CasAuthenticationProvider}
-	 * @param principal   typically the UserDetails object (cannot be <code>null</code>)
+	 * @param keyHash hashCode of provided key to identify if this object made by a given
+	 * {@link CasAuthenticationProvider}
+	 * @param principal typically the UserDetails object (cannot be <code>null</code>)
 	 * @param credentials the service/proxy ticket ID from CAS (cannot be
-	 *                    <code>null</code>)
+	 * <code>null</code>)
 	 * @param authorities the authorities granted to the user (from the
-	 *                    {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
-	 *                    be <code>null</code>)
+	 * {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
+	 * be <code>null</code>)
 	 * @param userDetails the user details (from the
-	 *                    {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
-	 *                    be <code>null</code>)
-	 * @param assertion   the assertion returned from the CAS servers. It contains the
-	 *                    principal and how to obtain a proxy ticket for the user.
+	 * {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
+	 * be <code>null</code>)
+	 * @param assertion the assertion returned from the CAS servers. It contains the
+	 * principal and how to obtain a proxy ticket for the user.
 	 * @throws IllegalArgumentException if a <code>null</code> was passed
 	 * @since 4.2
 	 */
-	private CasAuthenticationToken(final Integer keyHash, final Object principal,
-									final Object credentials,
-									final Collection<? extends GrantedAuthority> authorities,
-									final UserDetails userDetails, final Assertion assertion) {
+	private CasAuthenticationToken(final Integer keyHash, final Object principal, final Object credentials,
+			final Collection<? extends GrantedAuthority> authorities, final UserDetails userDetails,
+			final Assertion assertion) {
 		super(authorities);
-
-		if ((principal == null)
-				|| "".equals(principal) || (credentials == null)
-				|| "".equals(credentials) || (authorities == null)
-				|| (userDetails == null) || (assertion == null)) {
-			throw new IllegalArgumentException(
-					"Cannot pass null or empty values to constructor");
+		if ((principal == null) || "".equals(principal) || (credentials == null) || "".equals(credentials)
+				|| (authorities == null) || (userDetails == null) || (assertion == null)) {
+			throw new IllegalArgumentException("Cannot pass null or empty values to constructor");
 		}
-
 		this.keyHash = keyHash;
 		this.principal = principal;
 		this.credentials = credentials;
@@ -114,9 +105,6 @@ public class CasAuthenticationToken extends AbstractAuthenticationToken implemen
 		setAuthenticated(true);
 	}
 
-	// ~ Methods
-	// ========================================================================================================
-
 	private static Integer extractKeyHash(String key) {
 		Assert.hasLength(key, "key cannot be null or empty");
 		return key.hashCode();
@@ -127,21 +115,16 @@ public class CasAuthenticationToken extends AbstractAuthenticationToken implemen
 		if (!super.equals(obj)) {
 			return false;
 		}
-
 		if (obj instanceof CasAuthenticationToken) {
 			CasAuthenticationToken test = (CasAuthenticationToken) obj;
-
 			if (!this.assertion.equals(test.getAssertion())) {
 				return false;
 			}
-
 			if (this.getKeyHash() != test.getKeyHash()) {
 				return false;
 			}
-
 			return true;
 		}
-
 		return false;
 	}
 
@@ -152,7 +135,7 @@ public class CasAuthenticationToken extends AbstractAuthenticationToken implemen
 		result = 31 * result + this.principal.hashCode();
 		result = 31 * result + this.userDetails.hashCode();
 		result = 31 * result + this.keyHash;
-		result = 31 * result + (this.assertion != null ? this.assertion.hashCode() : 0);
+		result = 31 * result + ObjectUtils.nullSafeHashCode(this.assertion);
 		return result;
 	}
 
@@ -175,7 +158,7 @@ public class CasAuthenticationToken extends AbstractAuthenticationToken implemen
 	}
 
 	public UserDetails getUserDetails() {
-		return userDetails;
+		return this.userDetails;
 	}
 
 	@Override
@@ -184,7 +167,7 @@ public class CasAuthenticationToken extends AbstractAuthenticationToken implemen
 		sb.append(super.toString());
 		sb.append(" Assertion: ").append(this.assertion);
 		sb.append(" Credentials (Service/Proxy Ticket): ").append(this.credentials);
-
 		return (sb.toString());
 	}
+
 }