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 }