1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.servlet;
24  
25  import java.util.Map;
26  import java.util.concurrent.ConcurrentHashMap;
27  
28  import javax.servlet.http.HttpSession;
29  
30  /**
31   * <a href="PortalSessionContext.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class PortalSessionContext {
37  
38      public static HttpSession get(String sessionId) {
39          return _instance._get(sessionId);
40      }
41  
42      public static void put(String sessionId, HttpSession session) {
43          _instance._put(sessionId, session);
44      }
45  
46      public static HttpSession remove(String sessionId) {
47          return _instance._remove(sessionId);
48      }
49  
50      private PortalSessionContext() {
51          _sessionPool = new ConcurrentHashMap<String, HttpSession>();
52      }
53  
54      private HttpSession _get(String sessionId) {
55          return _sessionPool.get(sessionId);
56      }
57  
58      private void _put(String sessionId, HttpSession session) {
59          _sessionPool.put(sessionId, session);
60      }
61  
62      private HttpSession _remove(String sessionId) {
63          return _sessionPool.remove(sessionId);
64      }
65  
66      private static PortalSessionContext _instance = new PortalSessionContext();
67  
68      private Map<String, HttpSession> _sessionPool;
69  
70  }