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1   package org.apache.maven.model.plugin;
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.List;
23  
24  import org.apache.maven.model.Build;
25  import org.apache.maven.model.Model;
26  import org.apache.maven.model.Plugin;
27  import org.apache.maven.model.PluginExecution;
28  import org.apache.maven.model.PluginManagement;
29  import org.apache.maven.model.building.ModelBuildingRequest;
30  import org.apache.maven.model.building.ModelProblemCollector;
31  import org.codehaus.plexus.component.annotations.Component;
32  import org.codehaus.plexus.util.xml.Xpp3Dom;
33  
34  /**
35   * Handles expansion of general build plugin configuration into individual executions.
36   *
37   * @author Benjamin Bentmann
38   */
39  @Component( role = PluginConfigurationExpander.class )
40  public class DefaultPluginConfigurationExpander
41      implements PluginConfigurationExpander
42  {
43  
44      @Override
45      public void expandPluginConfiguration( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
46      {
47          Build build = model.getBuild();
48  
49          if ( build != null )
50          {
51              expand( build.getPlugins() );
52  
53              PluginManagement pluginManagement = build.getPluginManagement();
54  
55              if ( pluginManagement != null )
56              {
57                  expand( pluginManagement.getPlugins() );
58              }
59          }
60      }
61  
62      private void expand( List<Plugin> plugins )
63      {
64          for ( Plugin plugin : plugins )
65          {
66              Xpp3Dom pluginConfiguration = (Xpp3Dom) plugin.getConfiguration();
67  
68              if ( pluginConfiguration != null )
69              {
70                  for ( PluginExecution execution : plugin.getExecutions() )
71                  {
72                      Xpp3Dom executionConfiguration = (Xpp3Dom) execution.getConfiguration();
73  
74                      executionConfiguration =
75                          Xpp3Dom.mergeXpp3Dom( executionConfiguration, new Xpp3Dom( pluginConfiguration ) );
76  
77                      execution.setConfiguration( executionConfiguration );
78                  }
79              }
80          }
81      }
82  
83  }