org.eclipse.jetty.embedded.WebSocketServer Maven / Gradle / Ivy
//
// ========================================================================
// 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 org.eclipse.jetty.embedded;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
/**
* Example of setting up a Jetty WebSocket server
*
* Note: this uses the Jetty WebSocket API, not the javax.websocket API.
*/
public class WebSocketServer
{
/**
* Example of a Jetty API WebSocket Echo Socket
*/
@WebSocket
public static class EchoSocket
{
@OnWebSocketMessage
public void onMessage( Session session, String message )
{
session.getRemote().sendStringByFuture(message);
}
}
/**
* Servlet layer
*/
@SuppressWarnings("serial")
public static class EchoServlet extends WebSocketServlet
{
@Override
public void configure( WebSocketServletFactory factory )
{
// Register the echo websocket with the basic WebSocketCreator
factory.register(EchoSocket.class);
}
}
public static void main( String[] args ) throws Exception
{
Server server = new Server(8080);
ServletContextHandler context = new ServletContextHandler(
ServletContextHandler.SESSIONS);
context.setContextPath("/");
server.setHandler(context);
// Add the echo socket servlet to the /echo path map
context.addServlet(new ServletHolder(EchoServlet.class), "/echo");
server.start();
context.dumpStdErr();
server.join();
}
}