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.ArchetypeCatalog;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.util.ReaderFactory;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Reader;
  import java.util.Properties;
  
  /**
   * @author Jason van Zyl
   */
  @Component( role = ArchetypeDataSource.class, hint = "internal-catalog" )
  public class InternalCatalogArchetypeDataSource
      extends CatalogArchetypeDataSource
  {
  
      public ArchetypeCatalog getArchetypeCatalog( Properties properties )
          throws ArchetypeDataSourceException
      {
          try
          {
              InputStream in = getClass().getClassLoader().getResourceAsStream( ARCHETYPE_CATALOG_FILENAME );
              Reader reader = ReaderFactory.newXmlReader( in );
  
              return readCatalog( reader );
          }
          catch ( IOException e )
          {
              throw new ArchetypeDataSourceException( "Error reading archetype catalog.", e );
          }
      }
  }