Java tutorial
/* * 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.csavory.websocket.client; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.stereotype.Component; import org.springframework.web.socket.CloseStatus; import org.springframework.web.socket.TextMessage; import org.springframework.web.socket.WebSocketSession; import org.springframework.web.socket.handler.TextWebSocketHandler; @Component("quizUpWebSocketHandler") public class StringWebSocketHandler extends TextWebSocketHandler { protected static final Log logger = LogFactory.getLog(StringWebSocketHandler.class); public StringWebSocketHandler() { } @Override public void afterConnectionEstablished(WebSocketSession session) throws Exception { logger.info("Established Connection"); TextMessage message = new TextMessage("Welcome"); session.sendMessage(message); } @Override public void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception { logger.info("Received: " + message); session.sendMessage(new TextMessage("Response")); } @Override public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception { logger.error("Transport Error", exception); session.close(CloseStatus.SERVER_ERROR); } }