/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 websocket.echo; import java.io.IOException; import java.nio.ByteBuffer; import javax.websocket.OnMessage; import javax.websocket.PongMessage; import javax.websocket.Session; import javax.websocket.server.ServerEndpoint; @ServerEndpoint("/websocket/echoAnnotation") public class EchoAnnotation { @OnMessage public void echoTextMessage(Session session, String msg, boolean last) { try { if (session.isOpen()) { session.getBasicRemote().sendText(msg, last); } } catch (IOException e) { try { session.close(); } catch (IOException e1) { // Ignore } } } @OnMessage public void echoBinaryMessage(Session session, ByteBuffer bb, boolean last) { try { if (session.isOpen()) { session.getBasicRemote().sendBinary(bb, last); } } catch (IOException e) { try { session.close(); } catch (IOException e1) { // Ignore } } } /** * Process a received pong. This is a NO-OP. * * @param pm Ignored. */ @OnMessage public void echoPongMessage(PongMessage pm) { // NO-OP } }