FileHandlerListenerAdapter.java

  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.  *     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. package org.apache.commons.configuration2.io;

  18. /**
  19.  * <p>
  20.  * An adapter class simplifying the implementation of custom {@code FileHandlerListener} classes.
  21.  * </p>
  22.  * <p>
  23.  * This class provides empty dummy implementations for all methods defined by the {@code FileHandlerListener} interface.
  24.  * Custom listener implementations can extend this adapter class and override only the methods they actually need.
  25.  * </p>
  26.  *
  27.  * @since 2.0
  28.  */
  29. public class FileHandlerListenerAdapter implements FileHandlerListener {
  30.     @Override
  31.     public void loaded(final FileHandler handler) {
  32.         // empty
  33.     }

  34.     @Override
  35.     public void loading(final FileHandler handler) {
  36.         // empty
  37.     }

  38.     @Override
  39.     public void locationChanged(final FileHandler handler) {
  40.         // empty
  41.     }

  42.     @Override
  43.     public void saved(final FileHandler handler) {
  44.         // empty
  45.     }

  46.     @Override
  47.     public void saving(final FileHandler handler) {
  48.         // empty
  49.     }
  50. }