问Websocket Spring 4

EN

import java.util.logging.Logger;

import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.WebSocketMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;

public class ServerHandler extends TextWebSocketHandler{
	
	private Logger logger = Logger.getLogger(this.getClass().getName());
	
	@Override
	public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
		// TODO Auto-generated method stub
		logger.info("Connection clodes with websocket server: session id " + session.getId());
	}
	
	@Override
	public void afterConnectionEstablished(WebSocketSession session) throws Exception {
		// TODO Auto-generated method stub
		logger.info("Connected user with websocket server: session id " + session.getId());
	}
	
	@Override
	public void handleMessage(WebSocketSession session, WebSocketMessage<?> message) throws Exception {
		// TODO Auto-generated method stub
		
		super.handleMessage(session, message);
	}
	
	@Override
	public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
		// TODO Auto-generated method stub
		super.handleTransportError(session, exception);
	}
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;

@Configuration
@EnableWebSocket
public class WebsocketConfig implements WebSocketConfigurer{

	
	@Override
	public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
		registry.addHandler(myHandler(), "/websocket").withSockJS();
		
	}
	
	@Bean
    public ServerHandler myHandler() {
        return new ServerHandler();
    }
	
}

var sock = new SockJS('http://localhost:9999/websocket');