2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 package javax.servlet;
20 * This is the event class for notifications of changes to the attributes of the
21 * servlet request in an application.
23 * @see ServletRequestAttributeListener
26 public class ServletRequestAttributeEvent extends ServletRequestEvent {
27 private static final long serialVersionUID = 1L;
29 private final String name;
30 private final Object value;
33 * Construct a ServletRequestAttributeEvent giving the servlet context of
34 * this web application, the ServletRequest whose attributes are changing
35 * and the name and value of the attribute.
38 * the ServletContext that is sending the event.
40 * the ServletRequest that is sending the event.
42 * the name of the request attribute.
44 * the value of the request attribute.
46 public ServletRequestAttributeEvent(ServletContext sc,
47 ServletRequest request, String name, Object value) {
54 * Return the name of the attribute that changed on the ServletRequest.
56 * @return the name of the changed request attribute
58 public String getName() {
63 * Returns the value of the attribute that has been added, removed or
64 * replaced. If the attribute was added, this is the value of the attribute.
65 * If the attribute was removed, this is the value of the removed attribute.
66 * If the attribute was replaced, this is the old value of the attribute.
68 * @return the value of the changed request attribute
70 public Object getValue() {