| PortalSessionContext.java |
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.Collection;
26 import java.util.Map;
27 import java.util.concurrent.ConcurrentHashMap;
28
29 import javax.servlet.http.HttpSession;
30
31 /**
32 * <a href="PortalSessionContext.java.html"><b><i>View Source</i></b></a>
33 *
34 * @author Brian Wing Shun Chan
35 *
36 */
37 public class PortalSessionContext {
38
39 public static int count() {
40 return _instance._count();
41 }
42
43 public static HttpSession get(String sessionId) {
44 return _instance._get(sessionId);
45 }
46
47 public static void put(String sessionId, HttpSession session) {
48 _instance._put(sessionId, session);
49 }
50
51 public static HttpSession remove(String sessionId) {
52 return _instance._remove(sessionId);
53 }
54
55 public static Collection<HttpSession> values() {
56 return _instance._values();
57 }
58
59 private PortalSessionContext() {
60 _sessionPool = new ConcurrentHashMap<String, HttpSession>();
61 }
62
63 private int _count() {
64 return _sessionPool.size();
65 }
66
67 private HttpSession _get(String sessionId) {
68 return _sessionPool.get(sessionId);
69 }
70
71 private void _put(String sessionId, HttpSession session) {
72 _sessionPool.put(sessionId, session);
73 }
74
75 private HttpSession _remove(String sessionId) {
76 return _sessionPool.remove(sessionId);
77 }
78
79 public Collection<HttpSession> _values() {
80 return _sessionPool.values();
81 }
82
83 private static PortalSessionContext _instance = new PortalSessionContext();
84
85 private Map<String, HttpSession> _sessionPool;
86
87 }