Add WebSocket Support

Fixes gh-35

samples/websocket/src/main/java/sample/data/ActiveWebSocketUser.java

@@ -0,0 +1,44 @@
+package sample.data;
+
+
+import java.util.Calendar;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class ActiveWebSocketUser {
+	@Id
+	private String id;
+	
+	private String username;
+	
+	private Calendar connectionTime;
+
+	public ActiveWebSocketUser() {}
+	
+	public ActiveWebSocketUser(String id, String username, Calendar connectionTime) {
+		super();
+		this.id = id;
+		this.username = username;
+		this.connectionTime = connectionTime;
+	}
+
+	public String getUsername() {
+		return username;
+	}
+
+	public void setUsername(String username) {
+		this.username = username;
+	}
+
+	public Calendar getConnectionTime() {
+		return connectionTime;
+	}
+
+	public void setConnectionTime(Calendar connectionTime) {
+		this.connectionTime = connectionTime;
+	}
+	
+	
+}

samples/websocket/src/main/java/sample/data/ActiveWebSocketUserRepository.java

@@ -0,0 +1,12 @@
+package sample.data;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+
+public interface ActiveWebSocketUserRepository extends CrudRepository<ActiveWebSocketUser,String> {
+
+	@Query("select DISTINCT(u.username) from ActiveWebSocketUser u where u.username != ?#{principal?.username}")
+	List<String> findAllActiveUsers();
+}

samples/websocket/src/main/java/sample/data/InstantMessage.java

@@ -0,0 +1,48 @@
+package sample.data;
+
+import java.util.Calendar;
+
+public class InstantMessage {
+	private String to;
+	
+	private String from;
+	
+	private String message;
+	
+	private Calendar created = Calendar.getInstance();
+
+	public String getTo() {
+		return to;
+	}
+
+	public void setTo(String to) {
+		this.to = to;
+	}
+
+	public String getFrom() {
+		return from;
+	}
+
+	public void setFrom(String from) {
+		this.from = from;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+
+	public Calendar getCreated() {
+		return created;
+	}
+
+	public void setCreated(Calendar created) {
+		this.created = created;
+	}
+	
+	
+
+}

samples/websocket/src/main/java/sample/data/User.java

@@ -0,0 +1,112 @@
+/*
+ * Copyright 2002-2013 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
+ *
+ *      http://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.
+ */
+package sample.data;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+import org.hibernate.validator.constraints.Email;
+import org.hibernate.validator.constraints.NotEmpty;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+/**
+ * Represents a user in our system.
+ *
+ * <p>
+ * In a real system use {@link PasswordEncoder} to ensure the password is secured
+ * properly. This demonstration does not address this due to time restrictions.
+ * </p>
+ *
+ * @author Rob Winch
+ */
+@Entity
+public class User implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @NotEmpty(message = "First name is required.")
+    private String firstName;
+
+    @NotEmpty(message = "Last name is required.")
+    private String lastName;
+
+    @Email(message = "Please provide a valid email address.")
+    @NotEmpty(message = "Email is required.")
+    @Column(unique=true, nullable = false)
+    private String email;
+
+    @NotEmpty(message = "Password is required.")
+    private String password;
+
+    public User() {}
+
+    public User(User user) {
+        this.id = user.id;
+        this.firstName = user.firstName;
+        this.lastName = user.lastName;
+        this.email = user.email;
+        this.password = user.password;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    private static final long serialVersionUID = 2738859149330833739L;
+}

samples/websocket/src/main/java/sample/data/UserRepository.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2002-2013 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
+ *
+ * http://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.
+ */
+package sample.data;
+
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * Allows managing {@link User} instances.
+ *
+ * @author Rob Winch
+ *
+ */
+public interface UserRepository extends CrudRepository<User, Long> {
+
+    User findByEmail(String email);
+}