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1   package org.apache.maven.shared.io.scan.mapping;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.File;
23  import java.util.Collections;
24  import java.util.HashSet;
25  import java.util.Set;
26  
27  /**
28   * @author jdcasey
29   * @version $Id: SuffixMapping.java 1719477 2015-12-11 17:33:58Z khmarbaise $
30   */
31  public final class SuffixMapping
32      implements SourceMapping
33  {
34      private final String sourceSuffix;
35  
36      private final Set<String> targetSuffixes;
37  
38      /**
39       * @param sourceSuffix source suffix.
40       * @param targetSuffix target suffix.
41       */
42      public SuffixMapping( String sourceSuffix, String targetSuffix )
43      {
44          this.sourceSuffix = sourceSuffix;
45  
46          this.targetSuffixes = Collections.singleton( targetSuffix );
47      }
48  
49      /**
50       * @param sourceSuffix source suffix.
51       * @param targetSuffixes target suffixes.
52       */
53      public SuffixMapping( String sourceSuffix, Set<String> targetSuffixes )
54      {
55          this.sourceSuffix = sourceSuffix;
56  
57          this.targetSuffixes = targetSuffixes;
58      }
59  
60      /** {@inheritDoc} */
61      public Set<File> getTargetFiles( File targetDir, String source )
62      {
63          Set<File> targetFiles = new HashSet<File>();
64  
65          if ( source.endsWith( sourceSuffix ) )
66          {
67              String base = source.substring( 0, source.length() - sourceSuffix.length() );
68  
69              for ( String suffix : targetSuffixes )
70              {
71                  targetFiles.add( new File( targetDir, base + suffix ) );
72              }
73          }
74  
75          return targetFiles;
76      }
77  }