javax.servlet.ServletRequestAttributeEvent Maven / Gradle / Ivy
/*
* 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
*
* 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.
*
* @since Servlet 2.4
* @see ServletRequestAttributeListener
* @version $Rev: 788194 $ $Date: 2009-06-24 18:05:48 -0400 (Wed, 24 Jun 2009) $
*/
public class ServletRequestAttributeEvent extends ServletRequestEvent {
private final String name;
private final 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;
}
}