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//
// ========================================================================
// 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 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);
}
}
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