1 2 3 /* 4 * The contents of this file are subject to the terms 5 * of the Common Development and Distribution License 6 * (the "License"). You may not use this file except 7 * in compliance with the License. 8 * 9 * You can obtain a copy of the license at 10 * glassfish/bootstrap/legal/CDDLv1.0.txt or 11 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 12 * See the License for the specific language governing 13 * permissions and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL 16 * HEADER in each file and include the License file at 17 * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable, 18 * add the following below this CDDL HEADER, with the 19 * fields enclosed by brackets "[]" replaced with your 20 * own identifying information: Portions Copyright [yyyy] 21 * [name of copyright owner] 22 * 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * 25 * Portions Copyright Apache Software Foundation. 26 */ 27 28 package javax.servlet.http; 29 30 import java.util.EventListener; 31 32 /** 33 * Implementations of this interface are notified of changes to the 34 * list of active sessions in a web application. 35 * To receive notification events, the implementation class 36 * must be configured in the deployment descriptor for the web application. 37 * @see HttpSessionEvent 38 * @since v 2.3 39 */ 40 41 public interface HttpSessionListener extends EventListener { 42 43 /** 44 * Notification that a session was created. 45 * @param se the notification event 46 */ 47 public void sessionCreated ( HttpSessionEvent se ); 48 49 /** 50 * Notification that a session is about to be invalidated. 51 * @param se the notification event 52 */ 53 public void sessionDestroyed ( HttpSessionEvent se ); 54 55 } 56