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* Copyright 2004 The Apache Software Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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* http://www.apache.org/licenses/LICENSE-2.0
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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 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.
*
* <p>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;
}
}