1 /*
2 * Copyright (c) 2002-2025 Gargoyle Software Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 package org.htmlunit.html;
16
17 import java.util.EventObject;
18
19 /**
20 * This is the event class for notifications about changes to the Character Data.
21 *
22 * @author Ahmed Ashour
23 * @see CharacterDataChangeListener
24 */
25 public class CharacterDataChangeEvent extends EventObject {
26
27 private final String oldValue_;
28
29 /**
30 * Constructs a new CharacterDataChangeEvent from the given character data and the old value.
31 *
32 * @param characterData the character data which is changed
33 * @param oldValue the old value
34 */
35 public CharacterDataChangeEvent(final DomCharacterData characterData, final String oldValue) {
36 super(characterData);
37 oldValue_ = oldValue;
38 }
39
40 /**
41 * Returns the character data that was changed.
42 * @return the character data that was changed
43 */
44 public DomCharacterData getCharacterData() {
45 return (DomCharacterData) getSource();
46 }
47
48 /**
49 * Returns the old value.
50 * @return the old value
51 */
52 public String getOldValue() {
53 return oldValue_;
54 }
55 }