1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. 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,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.shared.model.fileset.mappers;
20
21 import java.util.regex.Matcher;
22 import java.util.regex.Pattern;
23
24 /**
25 * Implementation of RegexpPatternMapper that returns either the source file
26 * name or it processed by a matching Regular Expression and its replacement.
27 *
28 * <p>This is a RegexpPatternMapper for the copy and move tasks.</p>
29 */
30 public class RegexpPatternMapper implements FileNameMapper {
31 private Pattern fromPattern;
32 private String toReplaceExpression;
33
34 @Override
35 public void setFrom(String from) {
36 this.fromPattern = Pattern.compile(from);
37 }
38
39 @Override
40 public void setTo(String to) {
41 this.toReplaceExpression = to;
42 }
43
44 @Override
45 public String mapFileName(String sourceFileName) {
46 Matcher matcher = this.fromPattern.matcher(sourceFileName);
47 if (!matcher.find()) {
48 return sourceFileName;
49 }
50
51 return matcher.replaceFirst(this.toReplaceExpression);
52 }
53 }