package org.codehaus.plexus.archiver.bzip2;
   
   /*
    * Copyright (C) 2011-2016, Neticoa SAS France - Tous droits réservés.
    * Author(s) : Franck Bonin, Neticoa SAS France
    *
    * Licensed 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 java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.FileInputStream;
  
  import java.util.List;
  import java.util.ArrayList;
  import java.net.URL;
  
  import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream;
  import org.codehaus.plexus.archiver.AbstractArchiveContentLister;
  import org.codehaus.plexus.archiver.ArchiveContentEntry;
  import org.codehaus.plexus.archiver.ArchiverException;
  
  import org.codehaus.plexus.components.io.resources.AbstractPlexusIoResource;
  import org.codehaus.plexus.components.io.resources.PlexusIoResource;
  
  import org.apache.commons.io.FilenameUtils;
  
  /**
   * @author Franck Bonin
   * @version $Revision$ $Date$
   */
  public class BZip2ArchiveContentLister
      extends AbstractArchiveContentLister
  {
      private static final String OPERATION_BZIP2 = "bzip2";
  
      public BZip2ArchiveContentLister()
      {
      }
  
      public BZip2ArchiveContentLister( File sourceFile )
      {
          super( sourceFile );
      }
      
      /**
       * BZip2 content resource
       */
      protected class BZip2FileInfo
      extends AbstractPlexusIoResource
      {
          private final File sourceFile;
          
          public BZip2FileInfo( File sourceFile )
          {
              super( sourceFile.getName(), sourceFile.lastModified(),
                   PlexusIoResource.UNKNOWN_RESOURCE_SIZE, true, false, true );
              this.sourceFile = sourceFile;
          }
  
          public URL getURL()
              throws IOException
          {
              return null;
          }
  
          public InputStream getContents()
              throws IOException
          {
              return new BZip2CompressorInputStream( new FileInputStream( sourceFile ) );
          }
      }
      
      protected List<ArchiveContentEntry> execute()
          throws ArchiverException
      {
          ArrayList<ArchiveContentEntry> archiveContentList = new ArrayList<ArchiveContentEntry>();
          getLogger().debug( "listing: " + getSourceFile() );
  
          ArchiveContentEntry ae = ArchiveContentEntry.createFileEntry( 
              FilenameUtils.removeExtension( getSourceFile().getName() ), new BZip2FileInfo( getSourceFile() ), -1 );
          archiveContentList.add( ae );
  
          getLogger().debug( "listing complete" );
          
          return archiveContentList;
      }
 }