1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20 package javax.servlet; 21 22 23 /** 24 * This is the event class for notifications about changes to the attributes of the 25 * servlet context of a web application. 26 * @see ServletContextAttributeListener 27 * @since v 2.3 28 */ 29 30 public class ServletContextAttributeEvent extends ServletContextEvent { 31 private String name; 32 private Object value; 33 34 /** Construct a ServletContextAttributeEvent from the given context for the 35 ** given attribute name and attribute value. 36 */ 37 public ServletContextAttributeEvent(ServletContext source, String name, Object value) { 38 super(source); 39 this.name = name; 40 this.value = value; 41 } 42 43 /** 44 * Return the name of the attribute that changed on the ServletContext. 45 * 46 */ 47 public String getName() { 48 return this.name; 49 } 50 51 /** 52 * Returns the value of the attribute that has been added, removed, or replaced. 53 * If the attribute was added, this is the value of the attribute. If the attribute was 54 * removed, this is the value of the removed attribute. If the attribute was replaced, this 55 * is the old value of the attribute. 56 * 57 */ 58 59 public Object getValue() { 60 return this.value; 61 } 62 } 63