com.gaodashang.demo.client.SimpleClientWebSocketHandler.java Source code

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Here is the source code for com.gaodashang.demo.client.SimpleClientWebSocketHandler.java

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/*
 * Copyright 2012-2013 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 com.gaodashang.demo.client;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;

public class SimpleClientWebSocketHandler extends TextWebSocketHandler {

    protected Log logger = LogFactory.getLog(SimpleClientWebSocketHandler.class);

    private final GreetingService greetingService;

    private final CountDownLatch latch;

    private final AtomicReference<String> messagePayload;

    @Autowired
    public SimpleClientWebSocketHandler(GreetingService greetingService, CountDownLatch latch,
            AtomicReference<String> message) {
        this.greetingService = greetingService;
        this.latch = latch;
        this.messagePayload = message;
    }

    @Override
    public void afterConnectionEstablished(WebSocketSession session) throws Exception {
        TextMessage message = new TextMessage(this.greetingService.getGreeting());
        session.sendMessage(message);
    }

    @Override
    public void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
        this.logger.info("Received: " + message + " (" + this.latch.getCount() + ")");
        session.close();
        this.messagePayload.set(message.getPayload());
        this.latch.countDown();
    }

}