package org.apache.maven.archetype.source;
   
   /*
    * 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.archetype.catalog.Archetype;
  import org.apache.maven.archetype.catalog.ArchetypeCatalog;
  import org.apache.maven.archetype.catalog.io.xpp3.ArchetypeCatalogXpp3Writer;
  import org.codehaus.plexus.logging.AbstractLogEnabled;
  import org.codehaus.plexus.util.IOUtil;
  
  import java.io.IOException;
  import java.io.Writer;
  import java.util.List;
  import java.util.Properties;
  
  /** @author Jason van Zyl */
  public class CatalogArchetypeDataSink
      extends AbstractLogEnabled
      implements ArchetypeDataSink
  {
      private ArchetypeCatalogXpp3Writer catalogWriter = new ArchetypeCatalogXpp3Writer();
  
      public void putArchetypes( List<Archetype> archetypes, Writer writer )
          throws ArchetypeDataSinkException
      {
          ArchetypeCatalog catalog = new ArchetypeCatalog();
  
          for ( Archetype archetype : archetypes )
          {
              catalog.addArchetype( archetype );
          }
  
          try
          {
              catalogWriter.write( writer, catalog );
          }
          catch ( IOException e )
          {
              throw new ArchetypeDataSinkException( "Error writing archetype catalog.", e );
          }
          finally
          {
              IOUtil.close( writer );
          }
      }
  
      public void putArchetypes( ArchetypeDataSource source, Properties properties, Writer writer )
          throws ArchetypeDataSourceException, ArchetypeDataSinkException
      {
          List<Archetype> archetypes = source.getArchetypeCatalog( properties ).getArchetypes();
  
          putArchetypes( archetypes, writer );
      }
  }