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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.websocket.servlet;
20  
21  import org.eclipse.jetty.websocket.api.UpgradeRequest;
22  import org.eclipse.jetty.websocket.api.UpgradeResponse;
23  
24  /**
25   * Abstract WebSocket creator interface.
26   * <p>
27   * Should you desire filtering of the WebSocket object creation due to criteria such as origin or sub-protocol, then you will be required to implement a custom
28   * WebSocketCreator implementation.
29   * <p>
30   * This has been moved from the WebSocketServlet to a standalone class managed by the WebSocketServerFactory due to need of WebSocket {@link Extension}s that
31   * require the ability to create new websockets (such as the mux extension)
32   */
33  public interface WebSocketCreator
34  {
35      /**
36       * Create a websocket from the incoming request.
37       * 
38       * @param req
39       *            the request details
40       * @return a websocket object to use, or null if no websocket should be created from this request.
41       */
42      Object createWebSocket(UpgradeRequest req, UpgradeResponse resp);
43  }