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