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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 java.io.IOException;
22  
23  import javax.servlet.http.HttpServletRequest;
24  import javax.servlet.http.HttpServletResponse;
25  
26  import org.eclipse.jetty.websocket.api.WebSocketPolicy;
27  import org.eclipse.jetty.websocket.api.annotations.WebSocket;
28  import org.eclipse.jetty.websocket.api.extensions.ExtensionFactory;
29  
30  /**
31   * Basic WebSocketServletFactory for working with Jetty-based WebSocketServlets
32   */
33  public interface WebSocketServletFactory
34  {
35      public boolean acceptWebSocket(HttpServletRequest request, HttpServletResponse response) throws IOException;
36  
37      public void cleanup();
38  
39      public WebSocketServletFactory createFactory(WebSocketPolicy policy);
40  
41      public abstract WebSocketCreator getCreator();
42  
43      public abstract ExtensionFactory getExtensionFactory();
44  
45      /**
46       * Get the base policy in use for WebSockets.
47       * <p>
48       * Note: individual WebSocket implementations can override some of the values in here by using the {@link WebSocket &#064;WebSocket} annotation.
49       * 
50       * @return the base policy
51       */
52      public WebSocketPolicy getPolicy();
53  
54      public void init() throws Exception;
55  
56      public boolean isUpgradeRequest(HttpServletRequest request, HttpServletResponse response);
57  
58      /**
59       * Register a websocket class pojo with the default {@link WebSocketCreator}.
60       * <p>
61       * Note: only required if using the default {@link WebSocketCreator} provided by this factory.
62       * 
63       * @param websocketPojo
64       *            the class to instantiate for each incoming websocket upgrade request.
65       */
66      public void register(Class<?> websocketPojo);
67  
68      public abstract void setCreator(WebSocketCreator creator);
69  }