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1   package org.apache.maven.model.converter;
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 org.apache.maven.model.Model;
23  import org.apache.maven.model.v3_0_0.io.xpp3.MavenXpp3Reader;
24  import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
25  import org.apache.maven.shared.utils.io.IOUtil;
26  import org.apache.maven.shared.utils.StringUtils;
27  
28  import java.io.Reader;
29  import java.io.StringReader;
30  import java.io.StringWriter;
31  import java.io.Writer;
32  import java.util.List;
33  
34  /**
35   * @author jdcasey
36   * @plexus.component role="org.apache.maven.model.converter.ArtifactPomRewriter" role-hint="v3"
37   */
38  public class V3PomRewriter
39      implements ArtifactPomRewriter
40  {
41      /**
42       * @plexus.requirement
43       */
44      private ModelConverter translator;
45  
46      public void rewrite( Reader from, Writer to, boolean reportOnly, String groupId, String artifactId, String version,
47                           String packaging )
48          throws Exception
49      {
50          Model v4Model;
51  
52          if ( from != null )
53          {
54              MavenXpp3Reader v3Reader = new MavenXpp3Reader();
55  
56              StringWriter w = new StringWriter();
57              IOUtil.copy( from, w );
58              String content = StringUtils.replace( w.toString(), "${pom.currentVersion}", "${project.version}" );
59  
60              org.apache.maven.model.v3_0_0.Model v3Model = v3Reader.read( new StringReader( content ) );
61              v4Model = translator.translate( v3Model );
62          }
63          else
64          {
65              v4Model = new Model();
66          }
67  
68          if ( v4Model != null )
69          {
70              translator.validateV4Basics( v4Model, groupId, artifactId, version, packaging );
71  
72              if ( !reportOnly )
73              {
74                  MavenXpp3Writer v4Writer = new MavenXpp3Writer();
75                  v4Writer.write( to, v4Model );
76              }
77          }
78      }
79  
80      public List getWarnings()
81      {
82          return translator.getWarnings();
83      }
84  
85  }