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1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  //
19  // This source code implements specifications defined by the Java
20  // Community Process. In order to remain compliant with the specification
21  // DO NOT add / change / or delete method signatures!
22  //
23  
24  package javax.servlet;
25  
26  /**
27   * This is the event class for notifications about changes to the attributes of the
28   * servlet context of a web application.
29   * @see ServletContextAttributeListener
30   * @since Servlet 2.3
31   *
32   * @version $Rev: 46019 $ $Date: 2004-09-14 02:56:06 -0700 (Tue, 14 Sep 2004) $
33   */
34  public class ServletContextAttributeEvent extends ServletContextEvent {
35      private String name;
36      private Object value;
37  
38      /**
39       * Construct a ServletContextAttributeEvent from the given context for the
40       * given attribute name and attribute value.
41       */
42      public ServletContextAttributeEvent(ServletContext source, String name, Object value) {
43          super(source);
44          this.name = name;
45          this.value = value;
46      }
47  
48      /**
49       * Return the name of the attribute that changed on the ServletContext.
50       */
51      public String getName() {
52          return this.name;
53      }
54  
55      /**
56       * Returns the value of the attribute that has been added, removed, or replaced.
57       * If the attribute was added, this is the value of the attribute. If the attrubute was
58       * removed, this is the value of the removed attribute. If the attribute was replaced, this
59       * is the old value of the attribute.
60       */
61      public Object getValue() {
62          return this.value;
63      }
64  }
65