javax.servlet.ServletContextAttributeEvent Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.servlet;
/**
* Event class for notifications about changes to the attributes of
* the ServletContext of a web application.
*
* @see ServletContextAttributeListener
*
* @since Servlet 2.3
*/
public class ServletContextAttributeEvent extends ServletContextEvent {
private static final long serialVersionUID = -5804680734245618303L;
private String name;
private Object value;
/**
* Constructs a ServletContextAttributeEvent from the given
* ServletContext, attribute name, and attribute value.
*
* @param source the ServletContext whose attribute changed
* @param name the name of the ServletContext attribute that changed
* @param value the value of the ServletContext attribute that changed
*/
public ServletContextAttributeEvent(ServletContext source,
String name, Object value) {
super(source);
this.name = name;
this.value = value;
}
/**
* Gets the name of the ServletContext attribute that changed.
*
* @return the name of the ServletContext attribute that changed
*/
public String getName() {
return this.name;
}
/**
* Gets the value of the ServletContext attribute that changed.
*
* If the attribute was added, this is the value of the attribute.
* If the attribute was removed, this is the value of the removed
* attribute. If the attribute was replaced, this is the old value of
* the attribute.
*
* @return the value of the ServletContext attribute that changed
*/
public Object getValue() {
return this.value;
}
}