| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.util; |
| |
| /** |
| * Implementation of FileNameMapper that always returns the source file name. |
| * |
| * <p>This is the default FileNameMapper for the copy and move |
| * tasks.</p> |
| * |
| */ |
| public class IdentityMapper implements FileNameMapper { |
| |
| /** |
| * Ignored. |
| * @param from ignored. |
| */ |
| @Override |
| public void setFrom(String from) { |
| } |
| |
| /** |
| * Ignored. |
| * @param to ignored. |
| */ |
| @Override |
| public void setTo(String to) { |
| } |
| |
| /** |
| * Returns an one-element array containing the source file name. |
| * @param sourceFileName the name to map. |
| * @return the source filename in a one-element array. |
| */ |
| @Override |
| public String[] mapFileName(String sourceFileName) { |
| if (sourceFileName == null) { |
| // The FileNameMapper#mapFileName contract states that: |
| // "if the given rule doesn't apply to the source file, |
| // implementation must return null" |
| // we consider a null source file name as non-matching and |
| // hence return null |
| return null; |
| } |
| return new String[] {sourceFileName}; |
| } |
| } |