| SerializableSessionAttributeListener.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 com.liferay.portal.kernel.log.Log;
23 import com.liferay.portal.kernel.log.LogFactoryUtil;
24
25 import java.io.Serializable;
26
27 import javax.servlet.http.HttpSessionAttributeListener;
28 import javax.servlet.http.HttpSessionBindingEvent;
29
30 /**
31 * <a href="SerializableSessionAttributeListener.java.html"><b><i>View Source
32 * </i></b></a>
33 *
34 * @author Bruno Farache
35 *
36 */
37
38 public class SerializableSessionAttributeListener
39 implements HttpSessionAttributeListener {
40
41 public void attributeAdded(HttpSessionBindingEvent event) {
42 Object obj = event.getValue();
43
44 if (!(obj instanceof Serializable)) {
45 _log.error(
46 obj.getClass().getName() +
47 " is not serializable and will prevent this session from " +
48 "being replicated");
49 }
50 }
51
52 public void attributeRemoved(HttpSessionBindingEvent event) {
53 }
54
55 public void attributeReplaced(HttpSessionBindingEvent event) {
56 attributeAdded(event);
57 }
58
59 private static Log _log =
60 LogFactoryUtil.getLog(SerializableSessionAttributeListener.class);
61
62 }