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1   package org.codehaus.plexus.compiler.util.scan.mapping;
2   
3   /*
4    * Copyright 2001-2005 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.io.File;
20  import java.util.Collections;
21  import java.util.HashSet;
22  import java.util.Set;
23  
24  /**
25   * @author jdcasey
26   */
27  public final class SuffixMapping
28      implements SourceMapping
29  {
30      private final String sourceSuffix;
31  
32      private final Set<String> targetSuffixes;
33  
34      public SuffixMapping( String sourceSuffix, String targetSuffix )
35      {
36          this.sourceSuffix = sourceSuffix;
37  
38          this.targetSuffixes = Collections.singleton( targetSuffix );
39      }
40  
41      public SuffixMapping( String sourceSuffix, Set<String> targetSuffixes )
42      {
43          this.sourceSuffix = sourceSuffix;
44  
45          this.targetSuffixes = Collections.unmodifiableSet( targetSuffixes );
46      }
47  
48      public Set<File> getTargetFiles( File targetDir, String source )
49      {
50          Set<File> targetFiles = new HashSet<File>();
51  
52          if ( source.endsWith( sourceSuffix ) )
53          {
54              String base = source.substring( 0, source.length() - sourceSuffix.length() );
55  
56              for ( String suffix : targetSuffixes )
57              {
58                  targetFiles.add( new File( targetDir, base + suffix ) );
59              }
60          }
61  
62          return targetFiles;
63      }
64  }