javax.servlet.ServletContextAttributeListener Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
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* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*/
package javax.servlet;
import java.util.EventListener;
/** Implementations of this interface receive notifications of
** changes to the attribute list on the servlet context of a web application.
* To receive notification events, the implementation class
* must be configured in the deployment descriptor for the web application.
* @see ServletContextAttributeEvent
* @since v 2.3
*/
public interface ServletContextAttributeListener extends EventListener {
/** Notification that a new attribute was added to the servlet context. Called after the attribute is added.*/
public void attributeAdded(ServletContextAttributeEvent scab);
/** Notification that an existing attribute has been removed from the servlet context. Called after the attribute is removed.*/
public void attributeRemoved(ServletContextAttributeEvent scab);
/** Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced. */
public void attributeReplaced(ServletContextAttributeEvent scab);
}