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.Iterator;
26 import java.util.List;
27
28 import org.apache.tools.ant.util.FileNameMapper;
29 import org.codehaus.plexus.util.StringUtils;
30
31 /**
32 * Ant filename mapper to remove version info from filename when copying dependencies.
33 *
34 * @author <a href="mailto:hboutemy@apache.org">Herve Boutemy</a>
35 * @version $Id: VersionMapper.java 649782 2008-04-19 09:42:38Z hboutemy $
36 */
37 public class VersionMapper implements FileNameMapper, Comparator
38 {
39 private List versions;
40
41 private String to;
42
43 public String[] mapFileName( String sourceFileName )
44 {
45 String originalFileName = new java.io.File( sourceFileName ).getName();
46 for ( Iterator iter = versions.iterator(); iter.hasNext(); )
47 {
48 String version = (String) iter.next();
49 int index = originalFileName.indexOf( version );
50 if ( index >= 0 )
51 {
52 // remove version in artifactId-version(-classifier).type
53 String baseFilename = originalFileName.substring( 0, index - 1 );
54 String extension = originalFileName.substring( index + version.length() );
55 String path = sourceFileName.substring( 0, sourceFileName.length() - originalFileName.length() );
56 if ( "flatten".equals( to ) )
57 {
58 path = "";
59 }
60 return new String[] { path + baseFilename + extension };
61 }
62 }
63 return new String[] { sourceFileName };
64 }
65
66 /**
67 * Set the versions identifiers that this mapper can remove from filenames. The separator value used is path
68 * separator, as used by dependencies task when setting <code>versionsId</code> property value.
69 */
70 public void setFrom( String from )
71 {
72 String[] split = StringUtils.split( from, File.pathSeparator );
73 // sort, from lengthiest to smallest
74 Arrays.sort( split, this );
75 versions = Arrays.asList( split );
76 }
77
78 /**
79 * By default, only filename is changed, but if this attribute is set to <code>flatten</code>, directory is
80 * removed.
81 */
82 public void setTo( String to )
83 {
84 this.to = to;
85 }
86
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 }