1 package org.apache.maven.ant.tasks.support;
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22 import java.io.File;
23 import java.util.Arrays;
24 import java.util.Comparator;
25 import java.util.Iterator;
26 import java.util.List;
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28 import org.apache.tools.ant.util.FileNameMapper;
29 import org.codehaus.plexus.util.StringUtils;
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37 public class VersionMapper
38 implements FileNameMapper, Comparator
39 {
40 private List versions;
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42 private String to;
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44 public String[] mapFileName( String sourceFileName )
45 {
46 String originalFileName = new File( sourceFileName ).getName();
47 for ( Iterator iter = versions.iterator(); iter.hasNext(); )
48 {
49 String version = (String) iter.next();
50 int index = originalFileName.indexOf( version );
51 if ( index >= 0 )
52 {
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54 String baseFilename = originalFileName.substring( 0, index - 1 );
55 String extension = originalFileName.substring( index + version.length() );
56 String path = sourceFileName.substring( 0, sourceFileName.length() - originalFileName.length() );
57 if ( "flatten".equals( to ) )
58 {
59 path = "";
60 }
61 return new String[] { path + baseFilename + extension };
62 }
63 }
64 return new String[] { sourceFileName };
65 }
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71 public void setFrom( String from )
72 {
73 String[] split = StringUtils.split( from, File.pathSeparator );
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75 Arrays.sort( split, this );
76 versions = Arrays.asList( split );
77 }
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82 public void setTo( String to )
83 {
84 this.to = to;
85 }
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87 public int compare( Object o1, Object o2 )
88 {
89 String s1 = (String) o1;
90 String s2 = (String) o2;
91 int lengthDiff = s2.length() - s1.length();
92 return ( lengthDiff != 0 ) ? lengthDiff : s1.compareTo( s2 );
93 }
94 }