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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  	/** This listener interface can be implemented in order to
33  	* get notifications of changes to the attribute lists of sessions within
34  	* this web application.
35  	* @since	v 2.3
36  */
37  
38  public interface HttpSessionAttributeListener extends EventListener {
39  	/** Notification that an attribute has been added to a session. Called after the attribute is added.*/
40      public void attributeAdded ( HttpSessionBindingEvent se );
41  	/** Notification that an attribute has been removed from a session. Called after the attribute is removed. */
42      public void attributeRemoved ( HttpSessionBindingEvent se );
43  	/** Notification that an attribute has been replaced in a session. Called after the attribute is replaced. */
44      public void attributeReplaced ( HttpSessionBindingEvent se );
45  
46  }
47