/*
* Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
* 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;
/**
* This is the event class for notifications of changes to the
* attributes of the servlet request in an application.
* @see ServletRequestAttributeListener
* @since Servlet 2.4
*/
public class
ServletRequestAttributeEvent extends
ServletRequestEvent {
private static final long
serialVersionUID = -1466635426192317793L;
private
String name;
private
Object value;
/** Construct a ServletRequestAttributeEvent giving the servlet context
* of this web application, the ServletRequest whose attributes are
* changing and the name and value of the attribute.
*
* @param sc the ServletContext that is sending the event.
* @param request the ServletRequest that is sending the event.
* @param name the name of the request attribute.
* @param value the value of the request attribute.
*/
public
ServletRequestAttributeEvent(
ServletContext sc,
ServletRequest request,
String name,
Object value) {
super(
sc,
request);
this.
name =
name;
this.
value =
value;
}
/**
* Return the name of the attribute that changed on the ServletRequest.
*
* @return the name of the changed request attribute
*/
public
String getName() {
return this.
name;
}
/**
* Returns the value of the attribute that has been added, removed or
* replaced. 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 changed request attribute
*/
public
Object getValue() {
return this.
value;
}
}