1 package org.apache.maven.shared.model.fileset.mappers;
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.util.regex.Matcher;
23 import java.util.regex.Pattern;
24
25 /**
26 * Implementation of RegexpPatternMapper that returns either the source file
27 * name or it processed by a matching Regular Expression and its replacement.
28 *
29 * <p>This is a RegexpPatternMapper for the copy and move tasks.</p>
30 */
31 public class RegexpPatternMapper
32 implements FileNameMapper
33 {
34 private Pattern fromPattern;
35 private String toReplaceExpression;
36
37 @Override
38 public void setFrom( String from )
39 {
40 this.fromPattern = Pattern.compile( from );
41 }
42
43 @Override
44 public void setTo( String to )
45 {
46 this.toReplaceExpression = to;
47 }
48
49 @Override
50 public String mapFileName( String sourceFileName )
51 {
52 Matcher matcher = this.fromPattern.matcher( sourceFileName );
53 if ( !matcher.find( ) )
54 {
55 return sourceFileName;
56 }
57
58 return matcher.replaceFirst( this.toReplaceExpression );
59 }
60 }