1 package org.apache.maven.artifact.ant;
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.Arrays;
24 import java.util.Comparator;
25 import java.util.List;
26
27 import org.apache.tools.ant.util.FileNameMapper;
28 import org.codehaus.plexus.util.StringUtils;
29
30 /**
31 * Ant filename mapper to remove version info from filename when copying dependencies.
32 *
33 * @author <a href="mailto:hboutemy@apache.org">Herve Boutemy</a>
34 * @version $Id: VersionMapper.html 806929 2012-03-01 18:57:40Z hboutemy $
35 */
36 public class VersionMapper implements FileNameMapper, Comparator<String>
37 {
38 private List<String> versions;
39
40 private String to;
41
42 public String[] mapFileName( String sourceFileName )
43 {
44 String originalFileName = new java.io.File( sourceFileName ).getName();
45 for ( String version : versions )
46 {
47 int index = originalFileName.indexOf( version );
48 if ( index >= 0 )
49 {
50 // remove version in artifactId-version(-classifier).type
51 String baseFilename = originalFileName.substring( 0, index - 1 );
52 String extension = originalFileName.substring( index + version.length() );
53 String path = sourceFileName.substring( 0, sourceFileName.length() - originalFileName.length() );
54 if ( "flatten".equals( to ) )
55 {
56 path = "";
57 }
58 return new String[] { path + baseFilename + extension };
59 }
60 }
61 return new String[] { sourceFileName };
62 }
63
64 /**
65 * Set the versions identifiers that this mapper can remove from filenames. The separator value used is path
66 * separator, as used by dependencies task when setting <code>versionsId</code> property value.
67 */
68 public void setFrom( String from )
69 {
70 String[] split = StringUtils.split( from, File.pathSeparator );
71 // sort, from lengthiest to smallest
72 Arrays.sort( split, this );
73 versions = Arrays.asList( split );
74 }
75
76 /**
77 * By default, only filename is changed, but if this attribute is set to <code>flatten</code>, directory is
78 * removed.
79 */
80 public void setTo( String to )
81 {
82 this.to = to;
83 }
84
85 public int compare( String s1, String s2 )
86 {
87 int lengthDiff = s2.length() - s1.length();
88 return ( lengthDiff != 0 ) ? lengthDiff : s1.compareTo( s2 );
89 }
90 }