/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package javax.servlet.http; import java.util.EventListener; /** * Implementations of this interface are notified of changes to the * list of active sessions in a web application. * To receive notification events, the implementation class * must be configured in the deployment descriptor for the web application. * @see HttpSessionEvent * @since v 2.3 */ public interface HttpSessionListener extends EventListener { /** * Notification that a session was created. * @param se the notification event */ public void sessionCreated ( HttpSessionEvent se ); /** * Notification that a session is about to be invalidated. * @param se the notification event */ public void sessionDestroyed ( HttpSessionEvent se ); }