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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.felix.obrplugin;
20  
21  
22  import java.io.File;
23  import java.io.FileNotFoundException;
24  import java.io.FileReader;
25  import java.io.IOException;
26  import java.io.Reader;
27  
28  import org.apache.maven.model.Model;
29  import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
30  import org.apache.maven.plugin.MojoExecutionException;
31  import org.apache.maven.project.MavenProject;
32  import org.codehaus.plexus.util.IOUtil;
33  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
34  
35  
36  /**
37   * Maven POM helper methods.
38   * 
39   * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
40   */
41  public final class PomHelper
42  {
43      public static MavenProject readPom( File pomFile ) throws MojoExecutionException
44      {
45          Reader reader = null;
46  
47          try
48          {
49              reader = new FileReader( pomFile );
50              MavenXpp3Reader modelReader = new MavenXpp3Reader();
51              return new MavenProject( modelReader.read( reader ) );
52          }
53          catch ( FileNotFoundException e )
54          {
55              throw new MojoExecutionException( "Error reading specified POM file: " + e.getMessage(), e );
56          }
57          catch ( IOException e )
58          {
59              throw new MojoExecutionException( "Error reading specified POM file: " + e.getMessage(), e );
60          }
61          catch ( XmlPullParserException e )
62          {
63              throw new MojoExecutionException( "Error reading specified POM file: " + e.getMessage(), e );
64          }
65          finally
66          {
67              IOUtil.close( reader );
68          }
69      }
70  
71  
72      public static MavenProject buildPom( String groupId, String artifactId, String version, String packaging )
73      {
74          Model model = new Model();
75  
76          model.setModelVersion( "4.0.0" );
77          model.setGroupId( groupId );
78          model.setArtifactId( artifactId );
79          model.setVersion( version );
80          model.setPackaging( packaging );
81  
82          return new MavenProject( model );
83      }
84  }