| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package com.acme; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import javax.websocket.CloseReason; |
| import javax.websocket.OnClose; |
| import javax.websocket.OnMessage; |
| import javax.websocket.OnOpen; |
| import javax.websocket.RemoteEndpoint; |
| import javax.websocket.Session; |
| import javax.websocket.server.ServerEndpoint; |
| |
| @ServerEndpoint(value="/javax.websocket/", subprotocols={"chat"}) |
| public class JavaxWebSocketChat |
| { |
| private static final List<JavaxWebSocketChat> members = new CopyOnWriteArrayList<>(); |
| |
| volatile Session session; |
| volatile RemoteEndpoint.Async remote; |
| |
| @OnOpen |
| public void onOpen(Session sess) |
| { |
| this.session = sess; |
| this.remote = this.session.getAsyncRemote(); |
| members.add(this); |
| } |
| |
| @OnMessage |
| public void onMessage(String data) |
| { |
| if(data.contains("disconnect")) |
| { |
| try |
| { |
| session.close(); |
| } |
| catch (IOException ignore) |
| { |
| /* ignore */ |
| } |
| return; |
| } |
| |
| ListIterator<JavaxWebSocketChat> iter = members.listIterator(); |
| while(iter.hasNext()) |
| { |
| JavaxWebSocketChat member = iter.next(); |
| |
| // Test if member is now disconnected |
| if(!member.session.isOpen()) |
| { |
| iter.remove(); |
| continue; |
| } |
| |
| // Async write the message back |
| member.remote.sendText(data); |
| } |
| } |
| |
| @OnClose |
| public void onClose(CloseReason reason) |
| { |
| members.remove(this); |
| } |
| } |