62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package samples.websocket.echo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.socket.CloseStatus;
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import org.springframework.web.socket.TextMessage;
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import org.springframework.web.socket.WebSocketHandler;
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import org.springframework.web.socket.WebSocketSession;
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import org.springframework.web.socket.handler.TextWebSocketHandler;
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/**
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* Echo messages by implementing a Spring {@link WebSocketHandler} abstraction.
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*/
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public class EchoWebSocketHandler extends TextWebSocketHandler {
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private static Logger logger = LoggerFactory.getLogger(EchoWebSocketHandler.class);
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private final EchoService echoService;
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@Autowired
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public EchoWebSocketHandler(EchoService echoService) {
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this.echoService = echoService;
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}
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@Override
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public void afterConnectionEstablished(WebSocketSession session) {
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logger.debug("Opened new session in instance " + this);
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}
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@Override
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public void handleTextMessage(WebSocketSession session, TextMessage message)
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throws Exception {
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String echoMessage = this.echoService.getMessage(message.getPayload());
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logger.debug(echoMessage);
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session.sendMessage(new TextMessage(echoMessage));
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}
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@Override
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public void handleTransportError(WebSocketSession session, Throwable exception)
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throws Exception {
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session.close(CloseStatus.SERVER_ERROR);
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}
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}
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