BroadcastClientEndpoint.java

package com.example.services;

import java.io.IOException;
import java.util.logging.Logger;

import javax.websocket.ClientEndpoint;
import javax.websocket.EncodeException;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;

import com.example.services.Message.MessageDecoder;
import com.example.services.Message.MessageEncoder;

@ClientEndpoint( encoders = { MessageEncoder.class }, decoders = { MessageDecoder.class } )
public class BroadcastClientEndpoint {
	private static final Logger log = Logger.getLogger( BroadcastClientEndpoint.class.getName() );
	
	@OnOpen
	public void onOpen( final Session session ) throws IOException, EncodeException  {
		session.getBasicRemote().sendObject( new Message( "Client", "Hello!" ) );
	}

	@OnMessage
	public void onMessage( final Message message ) {
		log.info( String.format( "Received message '%s' from '%s'",
			message.getMessage(), message.getUsername() ) );
	}
}