View Javadoc
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.model.interpolation;
20  
21  import java.nio.file.Path;
22  import java.util.Collection;
23  import java.util.List;
24  
25  import org.apache.maven.model.path.PathTranslator;
26  import org.codehaus.plexus.interpolation.InterpolationPostProcessor;
27  import org.codehaus.plexus.interpolation.util.ValueSourceUtils;
28  
29  /**
30   *
31   */
32  class PathTranslatingPostProcessor implements InterpolationPostProcessor {
33  
34      private final Collection<String> unprefixedPathKeys;
35      private final Path projectDir;
36      private final PathTranslator pathTranslator;
37      private final List<String> expressionPrefixes;
38  
39      PathTranslatingPostProcessor(
40              List<String> expressionPrefixes,
41              Collection<String> unprefixedPathKeys,
42              Path projectDir,
43              PathTranslator pathTranslator) {
44          this.expressionPrefixes = expressionPrefixes;
45          this.unprefixedPathKeys = unprefixedPathKeys;
46          this.projectDir = projectDir;
47          this.pathTranslator = pathTranslator;
48      }
49  
50      @Override
51      public Object execute(String expression, Object value) {
52          if (value != null) {
53              expression = ValueSourceUtils.trimPrefix(expression, expressionPrefixes, true);
54  
55              if (unprefixedPathKeys.contains(expression)) {
56                  return pathTranslator.alignToBaseDirectory(String.valueOf(value), projectDir);
57              }
58          }
59  
60          return null;
61      }
62  }