001    package org.apache.maven.model.plugin;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import java.util.List;
023    
024    import org.apache.maven.model.Build;
025    import org.apache.maven.model.Model;
026    import org.apache.maven.model.Plugin;
027    import org.apache.maven.model.PluginExecution;
028    import org.apache.maven.model.PluginManagement;
029    import org.apache.maven.model.building.ModelBuildingRequest;
030    import org.apache.maven.model.building.ModelProblemCollector;
031    import org.codehaus.plexus.component.annotations.Component;
032    import org.codehaus.plexus.util.xml.Xpp3Dom;
033    
034    /**
035     * Handles expansion of general build plugin configuration into individual executions.
036     * 
037     * @author Benjamin Bentmann
038     */
039    @Component( role = PluginConfigurationExpander.class )
040    public class DefaultPluginConfigurationExpander
041        implements PluginConfigurationExpander
042    {
043    
044        public void expandPluginConfiguration( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
045        {
046            Build build = model.getBuild();
047    
048            if ( build != null )
049            {
050                expand( build.getPlugins() );
051    
052                PluginManagement pluginManagement = build.getPluginManagement();
053    
054                if ( pluginManagement != null )
055                {
056                    expand( pluginManagement.getPlugins() );
057                }
058            }
059        }
060    
061        private void expand( List<Plugin> plugins )
062        {
063            for ( Plugin plugin : plugins )
064            {
065                Xpp3Dom pluginConfiguration = (Xpp3Dom) plugin.getConfiguration();
066    
067                if ( pluginConfiguration != null )
068                {
069                    for ( PluginExecution execution : plugin.getExecutions() )
070                    {
071                        Xpp3Dom executionConfiguration = (Xpp3Dom) execution.getConfiguration();
072    
073                        executionConfiguration =
074                            Xpp3Dom.mergeXpp3Dom( executionConfiguration, new Xpp3Dom( pluginConfiguration ) );
075    
076                        execution.setConfiguration( executionConfiguration );
077                    }
078                }
079            }
080        }
081    
082    }