//
   //  ========================================================================
   //  Copyright (c) 1995-2013 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
   * <p>
   * 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();
      }
  }