Fix data

servlet/java-configuration/data/gradle/wrapper/gradle-wrapper.properties

@@ -1,3 +1,19 @@
+#
+# Copyright 2020 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip

servlet/java-configuration/data/src/main/java/example/DataConfiguration.java

@@ -16,6 +16,8 @@
 
 package example;
 
+import javax.sql.DataSource;
+
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
@@ -32,9 +34,8 @@ import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
 import org.springframework.security.data.repository.query.SecurityEvaluationContextExtension;
 import org.springframework.transaction.PlatformTransactionManager;
 
-import javax.sql.DataSource;
-
 /**
+ * Spring Data Configuration.
  * @author Rob Winch
  */
 @Configuration

servlet/java-configuration/data/src/main/java/example/Message.java

@@ -18,9 +18,12 @@ package example;
 
 import java.util.Calendar;
 
-import javax.persistence.*;
-
-import org.hibernate.validator.constraints.NotEmpty;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+import javax.validation.constraints.NotEmpty;
 
 @Entity
 public class Message {
@@ -41,7 +44,7 @@ public class Message {
 	private User to;
 
 	public User getTo() {
-		return to;
+		return this.to;
 	}
 
 	public void setTo(User to) {
@@ -49,7 +52,7 @@ public class Message {
 	}
 
 	public Long getId() {
-		return id;
+		return this.id;
 	}
 
 	public void setId(Long id) {
@@ -57,7 +60,7 @@ public class Message {
 	}
 
 	public Calendar getCreated() {
-		return created;
+		return this.created;
 	}
 
 	public void setCreated(Calendar created) {
@@ -65,7 +68,7 @@ public class Message {
 	}
 
 	public String getText() {
-		return text;
+		return this.text;
 	}
 
 	public void setText(String text) {
@@ -73,7 +76,7 @@ public class Message {
 	}
 
 	public String getSummary() {
-		return summary;
+		return this.summary;
 	}
 
 	public void setSummary(String summary) {

servlet/java-configuration/data/src/main/java/example/MessageRepository.java

@@ -20,6 +20,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 /**
+ * A repository for accessing {@link Message}s.
  * @author Rob Winch
  */
 @Repository

servlet/java-configuration/data/src/main/java/example/SecurityMessageRepository.java

@@ -22,6 +22,7 @@ import org.springframework.stereotype.Repository;
 import java.util.List;
 
 /**
+ * A repository that integrates with Spring Security for accessing {@link Message}s.
  * @author Rob Winch
  */
 @Repository
@@ -30,4 +31,4 @@ public interface SecurityMessageRepository extends MessageRepository {
 	@Query("select m from Message m where m.to.id = ?#{ principal?.id }")
 	List<Message> findAll();
 
-}
+}

servlet/java-configuration/data/src/main/java/example/User.java

@@ -48,7 +48,7 @@ public class User {
 	}
 
 	public String getFirstName() {
-		return firstName;
+		return this.firstName;
 	}
 
 	public void setFirstName(String firstName) {
@@ -56,7 +56,7 @@ public class User {
 	}
 
 	public String getLastName() {
-		return lastName;
+		return this.lastName;
 	}
 
 	public void setLastName(String lastName) {
@@ -64,7 +64,7 @@ public class User {
 	}
 
 	public String getEmail() {
-		return email;
+		return this.email;
 	}
 
 	public void setEmail(String email) {
@@ -72,7 +72,7 @@ public class User {
 	}
 
 	public String getPassword() {
-		return password;
+		return this.password;
 	}
 
 	public void setPassword(String password) {