package org.apache.maven.model.converter.plugins;
   
   /*
    * 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.
   */
  
  import org.apache.maven.model.converter.ProjectConverterException;
  import org.apache.maven.shared.utils.StringUtils;
  import org.codehaus.plexus.util.xml.Xpp3Dom;
  
  import java.util.Iterator;
  import java.util.Properties;
  
  /**
   * A <code>PluginConfigurationConverter</code> for the maven-site-plugin.
   *
   * @author Dennis Lundberg
   * @version $Id: PCCSite.java 1379502 2012-08-31 16:43:35Z struberg $
   * @plexus.component role="org.apache.maven.model.converter.plugins.PluginConfigurationConverter" role-hint="site"
   */
  public class PCCSite
      extends AbstractPluginConfigurationConverter
  {
      /**
       * @see AbstractPluginConfigurationConverter#getArtifactId()
       */
      public String getArtifactId()
      {
          return "maven-site-plugin";
      }
  
      public String getType()
      {
          return TYPE_BUILD_PLUGIN;
      }
  
      protected void buildConfiguration( Xpp3Dom configuration, org.apache.maven.model.v3_0_0.Model v3Model,
                                         Properties projectProperties )
          throws ProjectConverterException
      {
          Xpp3Dom xdocExcludes = getXdocExcludes( configuration );
  
          // Always exclude the navigation.xml file
          appendValue( xdocExcludes, "navigation.xml" );
  
          // Exclude the changes.xml file if the Changes report is used
          if ( hasChangesReport( v3Model ) )
          {
              appendValue( xdocExcludes, "changes.xml" );
          }
      }
  
      private void appendValue( Xpp3Dom xdoc, String value )
      {
          String currentValue = xdoc.getValue();
          if ( StringUtils.isEmpty( currentValue ) )
          {
              xdoc.setValue( value );
          }
          else
          {
              xdoc.setValue( currentValue + "," + value );
          }
      }
  
      private Xpp3Dom getXdocExcludes( Xpp3Dom configuration )
      {
          Xpp3Dom moduleExcludes = configuration.getChild( "moduleExcludes" );
          if ( moduleExcludes == null )
          {
              moduleExcludes = new Xpp3Dom( "moduleExcludes" );
              configuration.addChild( moduleExcludes );
          }
  
          Xpp3Dom xdoc = moduleExcludes.getChild( "xdoc" );
          if ( xdoc == null )
          {
              xdoc = new Xpp3Dom( "xdoc" );
              moduleExcludes.addChild( xdoc );
          }
          return xdoc;
      }
  
      private boolean hasChangesReport( org.apache.maven.model.v3_0_0.Model v3Model )
     {
         boolean hasChangesReport = false;
 
         if ( v3Model.getReports() != null && !v3Model.getReports().isEmpty() )
         {
             Iterator iterator = v3Model.getReports().iterator();
             while ( iterator.hasNext() )
             {
                 String report = (String) iterator.next();
                 if ( "maven-changes-plugin".equals( report ) )
                 {
                     hasChangesReport = true;
                 }
             }
         }
 
         return hasChangesReport;
     }
 }