| SerializableSessionAttributeListener.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 com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27
28 import java.io.Serializable;
29
30 import javax.servlet.http.HttpSessionAttributeListener;
31 import javax.servlet.http.HttpSessionBindingEvent;
32
33 /**
34 * <a href="SerializableSessionAttributeListener.java.html"><b><i>View Source
35 * </i></b></a>
36 *
37 * @author Bruno Farache
38 *
39 */
40
41 public class SerializableSessionAttributeListener
42 implements HttpSessionAttributeListener {
43
44 public void attributeAdded(HttpSessionBindingEvent event) {
45 Object obj = event.getValue();
46
47 if (!(obj instanceof Serializable)) {
48 _log.error(
49 obj.getClass().getName() +
50 " is not serializable and will prevent this session from " +
51 "being replicated");
52 }
53 }
54
55 public void attributeRemoved(HttpSessionBindingEvent event) {
56 }
57
58 public void attributeReplaced(HttpSessionBindingEvent event) {
59 attributeAdded(event);
60 }
61
62 private static Log _log =
63 LogFactoryUtil.getLog(SerializableSessionAttributeListener.class);
64
65 }