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Java > Open Source Codes > javax > servlet > http > HttpSessionListener


1 /*
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
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
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.
16 */

17 package javax.servlet.http;
18
19 import java.util.EventListener JavaDoc;
20
21     /**
22     * Implementations of this interface are notified of changes to the
23     * list of active sessions in a web application.
24     * To receive notification events, the implementation class
25     * must be configured in the deployment descriptor for the web application.
26     * @see HttpSessionEvent
27      * @since v 2.3
28     */

29
30 public interface HttpSessionListener extends EventListener JavaDoc {
31     
32     /**
33     * Notification that a session was created.
34     * @param se the notification event
35     */

36     public void sessionCreated ( HttpSessionEvent JavaDoc se );
37     
38     /**
39     * Notification that a session is about to be invalidated.
40     * @param se the notification event
41     */

42     public void sessionDestroyed ( HttpSessionEvent JavaDoc se );
43     
44 }
45
46
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