samples.websocket.greeting.GreetingWebSocketHandler.java Source code

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Here is the source code for samples.websocket.greeting.GreetingWebSocketHandler.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 samples.websocket.greeting;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.AbstractWebSocketHandler;

public class GreetingWebSocketHandler extends AbstractWebSocketHandler {

    private final GreetingService greetingService;

    @Autowired
    public GreetingWebSocketHandler(GreetingService greetingService) {
        this.greetingService = greetingService;
    }

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

    @Override
    public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
        session.close(CloseStatus.SERVER_ERROR);
    }
}