servletcontextattributeevent.java

来自「windows下的JAVA虚拟机」· Java 代码 · 共 60 行

/*
* 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 about changes to the attributes of the
	*  servlet context of a web application.
	* @see ServletContextAttributeListener
	 * @since	v 2.3
	*/

public class ServletContextAttributeEvent extends ServletContextEvent { 
	private String name;
	private Object value;

	/** Construct a ServletContextAttributeEvent from the given context for the
	** given attribute name and attribute value. 
	*/
	public ServletContextAttributeEvent(ServletContext source, String name, Object value) {
	    super(source);
	    this.name = name;
	    this.value = value;
	}
	
	/**
	* Return the name of the attribute that changed on the ServletContext.
	*
	*/
	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.
	*
	*/
	
	public Object getValue() {
	    return this.value;   
	}
}