| PortletSessionListenerManager.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.kernel.servlet;
24
25 import java.util.ArrayList;
26 import java.util.Iterator;
27 import java.util.List;
28
29 import javax.servlet.http.HttpSessionEvent;
30 import javax.servlet.http.HttpSessionListener;
31
32 /**
33 * <a href="PortletSessionListenerManager.java.html"><b><i>View Source</i></b>
34 * </a>
35 *
36 * <p>
37 * See http://support.liferay.com/browse/LEP-2299.
38 * </p>
39 *
40 * @author Olaf Fricke
41 * @author Brian Wing Shun Chan
42 */
43 public class PortletSessionListenerManager implements HttpSessionListener {
44
45 public static void addListener(HttpSessionListener listener) {
46 _listeners.add(listener);
47 }
48
49 public static void removeListener(HttpSessionListener listener) {
50 _listeners.remove(listener);
51 }
52
53 public void sessionCreated(HttpSessionEvent event) {
54 Thread currentThread = Thread.currentThread();
55
56 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
57
58 try {
59 Iterator<HttpSessionListener> itr = _listeners.iterator();
60
61 while (itr.hasNext()) {
62 HttpSessionListener listener = itr.next();
63
64 ClassLoader listenerClassLoader =
65 listener.getClass().getClassLoader();
66
67 currentThread.setContextClassLoader(listenerClassLoader);
68
69 listener.sessionCreated(event);
70 }
71 }
72 finally {
73 currentThread.setContextClassLoader(contextClassLoader);
74 }
75 }
76
77 public void sessionDestroyed(HttpSessionEvent event) {
78 Iterator<HttpSessionListener> itr = _listeners.iterator();
79
80 while (itr.hasNext()) {
81 HttpSessionListener listener = itr.next();
82
83 listener.sessionDestroyed(event);
84 }
85 }
86
87 private static List<HttpSessionListener> _listeners =
88 new ArrayList<HttpSessionListener>();
89
90 }