| PortalSessionContext.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 com.liferay.portal.kernel.util.Validator;
26
27 import java.util.Collection;
28 import java.util.Map;
29 import java.util.concurrent.ConcurrentHashMap;
30
31 import javax.servlet.http.HttpSession;
32
33 /**
34 * <a href="PortalSessionContext.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class PortalSessionContext {
40
41 public static int count() {
42 return _instance._count();
43 }
44
45 public static HttpSession get(String sessionId) {
46 return _instance._get(sessionId);
47 }
48
49 public static void put(String sessionId, HttpSession session) {
50 _instance._put(sessionId, session);
51 }
52
53 public static HttpSession remove(String sessionId) {
54 return _instance._remove(sessionId);
55 }
56
57 public static Collection<HttpSession> values() {
58 return _instance._values();
59 }
60
61 private PortalSessionContext() {
62 _sessionPool = new ConcurrentHashMap<String, HttpSession>();
63 }
64
65 private int _count() {
66 return _sessionPool.size();
67 }
68
69 private HttpSession _get(String sessionId) {
70 if (Validator.isNull(sessionId)) {
71 return null;
72 }
73
74 return _sessionPool.get(sessionId);
75 }
76
77 private void _put(String sessionId, HttpSession session) {
78 _sessionPool.put(sessionId, session);
79 }
80
81 private HttpSession _remove(String sessionId) {
82 return _sessionPool.remove(sessionId);
83 }
84
85 public Collection<HttpSession> _values() {
86 return _sessionPool.values();
87 }
88
89 private static PortalSessionContext _instance = new PortalSessionContext();
90
91 private Map<String, HttpSession> _sessionPool;
92
93 }