| PortletSessionListenerManager.java |
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.kernel.servlet;
21
22 import java.util.ArrayList;
23 import java.util.Iterator;
24 import java.util.List;
25
26 import javax.servlet.http.HttpSessionEvent;
27 import javax.servlet.http.HttpSessionListener;
28
29 /**
30 * <a href="PortletSessionListenerManager.java.html"><b><i>View Source</i></b>
31 * </a>
32 *
33 * <p>
34 * See http://support.liferay.com/browse/LEP-2299.
35 * </p>
36 *
37 * @author Olaf Fricke
38 * @author Brian Wing Shun Chan
39 *
40 */
41 public class PortletSessionListenerManager implements HttpSessionListener {
42
43 public static void addListener(HttpSessionListener listener) {
44 _listeners.add(listener);
45 }
46
47 public static void removeListener(HttpSessionListener listener) {
48 _listeners.remove(listener);
49 }
50
51 public void sessionCreated(HttpSessionEvent event) {
52 Thread currentThread = Thread.currentThread();
53
54 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
55
56 try {
57 Iterator<HttpSessionListener> itr = _listeners.iterator();
58
59 while (itr.hasNext()) {
60 HttpSessionListener listener = itr.next();
61
62 ClassLoader listenerClassLoader =
63 listener.getClass().getClassLoader();
64
65 currentThread.setContextClassLoader(listenerClassLoader);
66
67 listener.sessionCreated(event);
68 }
69 }
70 finally {
71 currentThread.setContextClassLoader(contextClassLoader);
72 }
73 }
74
75 public void sessionDestroyed(HttpSessionEvent event) {
76 Iterator<HttpSessionListener> itr = _listeners.iterator();
77
78 while (itr.hasNext()) {
79 HttpSessionListener listener = itr.next();
80
81 listener.sessionDestroyed(event);
82 }
83 }
84
85 private static List<HttpSessionListener> _listeners =
86 new ArrayList<HttpSessionListener>();
87
88 }