Part of refactoring the code: move the basic LDAP/JNDI settings to an external class.

sandbox/src/main/java/org/acegisecurity/providers/dao/ldap/LdapSupport.java

@@ -0,0 +1,160 @@
+package net.sf.acegisecurity.providers.dao.ldap;
+
+import java.util.Hashtable;
+
+import javax.naming.Context;
+import javax.naming.NamingException;
+import javax.naming.directory.InitialDirContext;
+
+public class LdapSupport {
+    
+    /**
+     * LDAP URL (without the port) of the LDAP server to connect to; example
+     * <b>ldap://dir.mycompany.com:389/</b>  (port 389 is the standard LDAP port).
+     */
+    private String URL;
+    
+    /** Root context of the LDAP Connection, if any is needed.  
+     *  <p> Example: <b>dc=mycompany,dc=com</b> </p> 
+     *  <p><strong>Note: </strong> It is usually preferable to add this data as part of the 
+     *      userContexts and/or roleContexts attributes. </p> 
+     **/
+    private String rootContext = "";
+    
+    /** Internal state: URL + rootContext.  */
+    private String initialContextURL;
+    
+    /** If your LDAP server does not allow anonymous searches then 
+     *  you will need to provide a username with which to login with;
+     *  this is that username.
+     */
+    private String managerUser;
+    
+    /** If your LDAP server does not allow anonymous searches then 
+     *  you will need to provide a username with which to login with;
+     *  this is the password of that user.
+     */
+    private String managerPassword;
+    
+    /** Type of authentication within LDAP; default is simple. */
+    private String authenticationType = "simple";
+    
+    /** The INITIAL_CONTEXT_FACTORY used to create the JNDI Factory.
+     *  Default is "com.sun.jndi.ldap.LdapCtxFactory"; you <b>should not</b>
+     *  need to set this unless you have unusual needs.
+     **/
+    private String initialContextFactory = "com.sun.jndi.ldap.LdapCtxFactory";
+
+    public InitialDirContext getInitialContext() throws NamingException {
+        Hashtable env = new Hashtable(11);
+        env.put(Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);
+        env.put(Context.PROVIDER_URL, getInitialContextURL());
+        env.put(Context.SECURITY_AUTHENTICATION, authenticationType);
+        if (managerUser != null) {
+            env.put(Context.SECURITY_PRINCIPAL, managerUser);
+            env.put(Context.SECURITY_CREDENTIALS, managerPassword);
+        }
+        return new InitialDirContext(env);
+    }
+    
+    /** 
+     * @return The full URL for the LDAP source for use in creating the InitialContext; it should look 
+     *      something like:  ldap://www.mycompany.com:389/dc=company,dc=com
+     */
+    public synchronized String getInitialContextURL() {
+        if (null == this.initialContextURL) {
+            StringBuffer initialContextURL = new StringBuffer( this.URL );
+            if (!this.URL.endsWith("/")) {
+                initialContextURL.append("/");
+            }
+            initialContextURL.append(this.rootContext);
+            this.initialContextURL = initialContextURL.toString();
+        }
+        return this.initialContextURL;
+    }
+    
+    /**
+     * @return Returns the authenticationType.
+     */
+    public String getAuthenticationType() {
+        return authenticationType;
+    }
+
+    /**
+     * @param authenticationType The authenticationType to set.
+     */
+    public void setAuthenticationType(String authenticationType) {
+        this.authenticationType = authenticationType;
+    }
+
+    /**
+     * @return Returns the initialContextFactory.
+     */
+    public String getInitialContextFactory() {
+        return initialContextFactory;
+    }
+
+    /**
+     * @param initialContextFactory The initialContextFactory to set.
+     */
+    public void setInitialContextFactory(String initialContextFactory) {
+        this.initialContextFactory = initialContextFactory;
+    }
+
+    /**
+     * @return Returns the managerPassword.
+     */
+    public String getManagerPassword() {
+        return managerPassword;
+    }
+
+    /**
+     * @param managerPassword The managerPassword to set.
+     */
+    public void setManagerPassword(String managerPassword) {
+        this.managerPassword = managerPassword;
+    }
+
+    /**
+     * @return Returns the managerUser.
+     */
+    public String getManagerUser() {
+        return managerUser;
+    }
+
+    /**
+     * @param managerUser The managerUser to set.
+     */
+    public void setManagerUser(String managerUser) {
+        this.managerUser = managerUser;
+    }
+
+    /**
+     * @return Returns the rootContext.
+     */
+    public String getRootContext() {
+        return rootContext;
+    }
+
+    /**
+     * @param rootContext The rootContext to set.
+     */
+    public void setRootContext(String rootContext) {
+        this.rootContext = rootContext;
+    }
+
+    /**
+     * @return Returns the uRL.
+     */
+    public String getURL() {
+        return URL;
+    }
+
+    /**
+     * @param url The uRL to set.
+     */
+    public void setURL(String url) {
+        URL = url;
+    }
+    
+}