| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 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 examples; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.eclipse.jetty.websocket.api.Session; |
| import org.eclipse.jetty.websocket.api.StatusCode; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage; |
| import org.eclipse.jetty.websocket.api.annotations.WebSocket; |
| |
| /** |
| * Basic Echo Client Socket |
| */ |
| @WebSocket(maxTextMessageSize = 64 * 1024) |
| public class SimpleEchoSocket |
| { |
| private final CountDownLatch closeLatch; |
| @SuppressWarnings("unused") |
| private Session session; |
| |
| public SimpleEchoSocket() |
| { |
| this.closeLatch = new CountDownLatch(1); |
| } |
| |
| public boolean awaitClose(int duration, TimeUnit unit) throws InterruptedException |
| { |
| return this.closeLatch.await(duration,unit); |
| } |
| |
| @OnWebSocketClose |
| public void onClose(int statusCode, String reason) |
| { |
| System.out.printf("Connection closed: %d - %s%n",statusCode,reason); |
| this.session = null; |
| this.closeLatch.countDown(); // trigger latch |
| } |
| |
| @OnWebSocketConnect |
| public void onConnect(Session session) |
| { |
| System.out.printf("Got connect: %s%n",session); |
| this.session = session; |
| try |
| { |
| Future<Void> fut; |
| fut = session.getRemote().sendStringByFuture("Hello"); |
| fut.get(2,TimeUnit.SECONDS); // wait for send to complete. |
| |
| fut = session.getRemote().sendStringByFuture("Thanks for the conversation."); |
| fut.get(2,TimeUnit.SECONDS); // wait for send to complete. |
| |
| session.close(StatusCode.NORMAL,"I'm done"); |
| } |
| catch (Throwable t) |
| { |
| t.printStackTrace(); |
| } |
| } |
| |
| @OnWebSocketMessage |
| public void onMessage(String msg) |
| { |
| System.out.printf("Got msg: %s%n",msg); |
| } |
| } |