1 /*
2 * Copyright (c) 2002-2026 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 * @author Ronald Brill
24 *
25 * @see CharacterDataChangeListener
26 */
27 public class CharacterDataChangeEvent extends EventObject {
28
29 private final String oldValue_;
30
31 /**
32 * Constructs a new CharacterDataChangeEvent from the given character data and the old value.
33 *
34 * @param characterData the character data which is changed
35 * @param oldValue the old value
36 */
37 public CharacterDataChangeEvent(final DomCharacterData characterData, final String oldValue) {
38 super(characterData);
39 oldValue_ = oldValue;
40 }
41
42 /**
43 * Returns the character data that was changed.
44 * @return the character data that was changed
45 */
46 public DomCharacterData getCharacterData() {
47 return (DomCharacterData) getSource();
48 }
49
50 /**
51 * Returns the old value.
52 * @return the old value
53 */
54 public String getOldValue() {
55 return oldValue_;
56 }
57 }