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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

eventlistener, eventlistener, httpsessionbindinglistener, httpsessionbindinglistener, util

The Tomcat source code

* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.

package javax.servlet.http;

import java.util.EventListener;


 * Causes an object to be notified when it is bound to
 * or unbound from a session. The object is notified
 * by an {@link HttpSessionBindingEvent} object. This may be as a result
 * of a servlet programmer explicitly unbinding an attribute from a session,
 * due to a session being invalidated, or due to a session timing out.
 * @author		Various
 * @version		$Version$
 * @see HttpSession
 * @see HttpSessionBindingEvent

public interface HttpSessionBindingListener extends EventListener {

     * Notifies the object that it is being bound to
     * a session and identifies the session.
     * @param event		the event that identifies the
     *				session 
     * @see #valueUnbound

    public void valueBound(HttpSessionBindingEvent event);

     * Notifies the object that it is being unbound
     * from a session and identifies the session.
     * @param event		the event that identifies
     *				the session 
     * @see #valueBound

    public void valueUnbound(HttpSessionBindingEvent event);

Other Tomcat examples (source code examples)

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