1 2 3 /* 4 * The contents of this file are subject to the terms 5 * of the Common Development and Distribution License 6 * (the "License"). You may not use this file except 7 * in compliance with the License. 8 * 9 * You can obtain a copy of the license at 10 * glassfish/bootstrap/legal/CDDLv1.0.txt or 11 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 12 * See the License for the specific language governing 13 * permissions and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL 16 * HEADER in each file and include the License file at 17 * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable, 18 * add the following below this CDDL HEADER, with the 19 * fields enclosed by brackets "[]" replaced with your 20 * own identifying information: Portions Copyright [yyyy] 21 * [name of copyright owner] 22 * 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * 25 * Portions Copyright Apache Software Foundation. 26 */ 27 28 package javax.servlet; 29 30 31 /** 32 * This is the event class for notifications of changes to the 33 * attributes of the servlet request in an application. 34 * @see ServletRequestAttributeListener 35 * @since Servlet 2.4 36 */ 37 38 public class ServletRequestAttributeEvent extends ServletRequestEvent { 39 private String name; 40 private Object value; 41 42 /** Construct a ServletRequestAttributeEvent giving the servlet context 43 * of this web application, the ServletRequest whose attributes are 44 * changing and the name and value of the attribute. 45 * 46 * @param sc the ServletContext that is sending the event. 47 * @param request the ServletRequest that is sending the event. 48 * @param name the name of the request attribute. 49 * @param value the value of the request attribute. 50 */ 51 public ServletRequestAttributeEvent(ServletContext sc, ServletRequest request, String name, Object value) { 52 super(sc, request); 53 this.name = name; 54 this.value = value; 55 } 56 57 /** 58 * Return the name of the attribute that changed on the ServletRequest. 59 * 60 * @return the name of the changed request attribute 61 */ 62 public String getName() { 63 return this.name; 64 } 65 66 /** 67 * Returns the value of the attribute that has been added, removed or 68 * replaced. If the attribute was added, this is the value of the 69 * attribute. If the attribute was removed, this is the value of the 70 * removed attribute. If the attribute was replaced, this is the old 71 * value of the attribute. 72 * 73 * @return the value of the changed request attribute 74 */ 75 public Object getValue() { 76 return this.value; 77 } 78 }