package org.apache.maven.archetype;
   
   /*
    * 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.creator.ArchetypeCreator;
  import org.apache.maven.archetype.generator.ArchetypeGenerator;
  import org.apache.maven.archetype.source.ArchetypeDataSource;
  import org.apache.maven.archetype.source.ArchetypeDataSourceException;
  import org.apache.maven.artifact.DependencyResolutionRequiredException;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.codehaus.plexus.logging.AbstractLogEnabled;
  import org.codehaus.plexus.util.IOUtil;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.util.Map;
  import java.util.Properties;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipOutputStream;
  
  /**
   * @author Jason van Zyl
   */
  @Component( role = ArchetypeManager.class )
  public class DefaultArchetypeManager
      extends AbstractLogEnabled
      implements ArchetypeManager
  {
      @Requirement( hint = "fileset" )
      private ArchetypeCreator creator;
  
      @Requirement
      private ArchetypeGenerator generator;
  
      @Requirement( role = ArchetypeDataSource.class )
      private Map<String, ArchetypeDataSource> archetypeSources;
  
      public ArchetypeCreationResult createArchetypeFromProject( ArchetypeCreationRequest request )
      {
          ArchetypeCreationResult result = new ArchetypeCreationResult();
  
          creator.createArchetype( request, result );
  
          return result;
      }
  
      public ArchetypeGenerationResult generateProjectFromArchetype( ArchetypeGenerationRequest request )
      {
          ArchetypeGenerationResult result = new ArchetypeGenerationResult();
  
          generator.generateArchetype( request, result );
  
          return result;
      }
  
      public File archiveArchetype( File archetypeDirectory, File outputDirectory, String finalName )
          throws DependencyResolutionRequiredException, IOException
      {
          File jarFile = new File( outputDirectory, finalName + ".jar" );
  
          zip( archetypeDirectory, jarFile );
  
          return jarFile;
      }
  
      public void zip( File sourceDirectory, File archive )
          throws IOException
      {
          if ( !archive.getParentFile().exists() )
          {
              archive.getParentFile().mkdirs();
          }
  
          ZipOutputStream zos = null;
          try
          {
              zos = new ZipOutputStream( new FileOutputStream( archive ) );
 
             zos.setLevel( 9 );
 
             zipper( zos, sourceDirectory.getAbsolutePath().length(), sourceDirectory );
         }
         finally
         {
             IOUtil.close( zos );
         }
 
     }
 
     private void zipper( ZipOutputStream zos, int offset, File currentSourceDirectory )
         throws IOException
     {
         File[] files = currentSourceDirectory.listFiles();
 
         if ( files.length == 0 )
         {
             // add an empty directory
             String dirName = currentSourceDirectory.getAbsolutePath().substring( offset + 1 );
 
             if ( File.separatorChar != '/' )
             {
                 dirName = dirName.replace( '\\', '/' );
             }
 
             zos.putNextEntry( new ZipEntry( dirName + '/' ) );
         }
 
         for ( int i = 0; i < files.length; i++ )
         {
             if ( files[i].isDirectory() )
             {
                 zipper( zos, offset, files[i] );
             }
             else
             {
                 String fileName = files[i].getAbsolutePath().substring( offset + 1 );
 
                 if ( File.separatorChar != '/' )
                 {
                     fileName = fileName.replace( '\\', '/' );
                 }
 
                 ZipEntry e = new ZipEntry( fileName );
 
                 zos.putNextEntry( e );
 
                 FileInputStream is = null;
                 try
                 {
                     is = new FileInputStream( files[i] );
 
                     IOUtil.copy( is, zos );
                 }
                 finally
                 {
                     IOUtil.close( is );
                 }
 
                 zos.flush();
 
                 zos.closeEntry();
             }
         }
     }
 
     public ArchetypeCatalog getInternalCatalog()
     {
         try
         {
             ArchetypeDataSource source = archetypeSources.get( "internal-catalog" );
 
             return source.getArchetypeCatalog( new Properties() );
         }
         catch ( ArchetypeDataSourceException e )
         {
             return new ArchetypeCatalog();
         }
     }
 
     public ArchetypeCatalog getDefaultLocalCatalog()
     {
         return getLocalCatalog( "${user.home}/.m2/archetype-catalog.xml" );
     }
 
     public ArchetypeCatalog getLocalCatalog( String path )
     {
         try
         {
             Properties properties = new Properties();
             properties.setProperty( "file", path );
             ArchetypeDataSource source = archetypeSources.get( "catalog" );
 
             return source.getArchetypeCatalog( properties );
         }
         catch ( ArchetypeDataSourceException e )
         {
             return new ArchetypeCatalog();
         }
     }
 
     public ArchetypeCatalog getRemoteCatalog()
     {
         return getRemoteCatalog( "http://repo.maven.apache.org/maven2" );
     }
 
     public ArchetypeCatalog getRemoteCatalog( String url )
     {
         try
         {
             Properties properties = new Properties();
             properties.setProperty( "repository", url );
             ArchetypeDataSource source = archetypeSources.get( "remote-catalog" );
 
             return source.getArchetypeCatalog( properties );
         }
         catch ( ArchetypeDataSourceException e )
         {
             return new ArchetypeCatalog();
         }
     }
 
     public void updateLocalCatalog( Archetype archetype )
     {
         updateLocalCatalog( archetype, "${user.home}/.m2/archetype-catalog.xml" );
     }
 
     public void updateLocalCatalog( Archetype archetype, String path )
     {
         try
         {
             Properties properties = new Properties();
             properties.setProperty( "file", path );
             ArchetypeDataSource source = archetypeSources.get( "catalog" );
 
             source.updateCatalog( properties, archetype );
         }
         catch ( ArchetypeDataSourceException e )
         {
         }
     }
 }