1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.servlet;
21  
22  import java.util.Map;
23  import java.util.concurrent.ConcurrentHashMap;
24  
25  import javax.servlet.http.HttpSession;
26  
27  /**
28   * <a href="PortalSessionContext.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Brian Wing Shun Chan
31   *
32   */
33  public class PortalSessionContext {
34  
35      public static HttpSession get(String sessionId) {
36          return _instance._get(sessionId);
37      }
38  
39      public static void put(String sessionId, HttpSession session) {
40          _instance._put(sessionId, session);
41      }
42  
43      public static HttpSession remove(String sessionId) {
44          return _instance._remove(sessionId);
45      }
46  
47      private PortalSessionContext() {
48          _sessionPool = new ConcurrentHashMap<String, HttpSession>();
49      }
50  
51      private HttpSession _get(String sessionId) {
52          return _sessionPool.get(sessionId);
53      }
54  
55      private void _put(String sessionId, HttpSession session) {
56          _sessionPool.put(sessionId, session);
57      }
58  
59      private HttpSession _remove(String sessionId) {
60          return _sessionPool.remove(sessionId);
61      }
62  
63      private static PortalSessionContext _instance = new PortalSessionContext();
64  
65      private Map<String, HttpSession> _sessionPool;
66  
67  }