/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.maven.model.plugin;
  
  import javax.inject.Named;
  import javax.inject.Singleton;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.ReportPlugin;
  import org.apache.maven.model.ReportSet;
  import org.apache.maven.model.Reporting;
  import org.apache.maven.model.building.ModelBuildingRequest;
  import org.apache.maven.model.building.ModelProblemCollector;
  import org.codehaus.plexus.util.xml.Xpp3Dom;
  
  /**
   * Handles expansion of general report plugin configuration into individual report sets.
   *
   * @author Benjamin Bentmann
   */
  @Named
  @Singleton
  public class DefaultReportConfigurationExpander implements ReportConfigurationExpander {
  
      @Override
      public void expandPluginConfiguration(Model model, ModelBuildingRequest request, ModelProblemCollector problems) {
          Reporting reporting = model.getReporting();
  
          if (reporting != null) {
              for (ReportPlugin reportPlugin : reporting.getPlugins()) {
                  Xpp3Dom parentDom = (Xpp3Dom) reportPlugin.getConfiguration();
  
                  if (parentDom != null) {
                      for (ReportSet execution : reportPlugin.getReportSets()) {
                          Xpp3Dom childDom = (Xpp3Dom) execution.getConfiguration();
                          childDom = Xpp3Dom.mergeXpp3Dom(childDom, new Xpp3Dom(parentDom));
                          execution.setConfiguration(childDom);
                      }
                  }
              }
          }
      }
  }