MergingMapper


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   */
18  
19  package org.apache.tools.ant.util;
20  
21  /**
22   * Implementation of FileNameMapper that always returns the same
23   * target file name.
24   *
25   * <p>This is the default FileNameMapper for the archiving tasks and
26   * uptodate.</p>
27   *
28   */
29  public class MergingMapper implements FileNameMapper {
30      // CheckStyle:VisibilityModifier OFF - bc
31      protected String  [] mergedFile = null;
32      // CheckStyle:VisibilityModifier ON
33  
34      /**
35       * Ignored.
36       * @param from ignored.
37       */
38      public void setFrom(String   from) {
39      }
40  
41      /**
42       * Sets the name of the merged file.
43       * @param to the name of the merged file.
44       */
45      public void setTo(String   to) {
46          mergedFile = new String  [] {to};
47      }
48  
49      /**
50       * Returns an one-element array containing the file name set via setTo.
51       * @param sourceFileName ignored.
52       * @return a one-element array containing the merged filename.
53       */
54      public String  [] mapFileName(String   sourceFileName) {
55          return mergedFile;
56      }
57  
58  }
59
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