1 /*
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
8 *
9 * https://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 package org.apache.commons.configuration2.io;
18
19 /**
20 * An adapter class simplifying the implementation of custom {@code FileHandlerListener} classes.
21 * <p>
22 * This class provides empty dummy implementations for all methods defined by the {@code FileHandlerListener} interface.
23 * Custom listener implementations can extend this adapter class and override only the methods they actually need.
24 * </p>
25 *
26 * @since 2.0
27 */
28 public class FileHandlerListenerAdapter implements FileHandlerListener {
29
30 /**
31 * Constructs a new instance.
32 */
33 public FileHandlerListenerAdapter() {
34 // empty
35 }
36
37 @Override
38 public void loaded(final FileHandler handler) {
39 // empty
40 }
41
42 @Override
43 public void loading(final FileHandler handler) {
44 // empty
45 }
46
47 @Override
48 public void locationChanged(final FileHandler handler) {
49 // empty
50 }
51
52 @Override
53 public void saved(final FileHandler handler) {
54 // empty
55 }
56
57 @Override
58 public void saving(final FileHandler handler) {
59 // empty
60 }
61 }