package org.apache.continuum.purge.executor;
   
   /*
    * 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.commons.io.filefilter.DirectoryFileFilter;
  import org.apache.continuum.purge.ContinuumPurgeConstants;
  import org.apache.maven.archiva.consumers.core.repository.ArtifactFilenameFilter;
  import org.codehaus.plexus.util.FileUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.File;
  import java.io.FileFilter;
  import java.io.FilenameFilter;
  import java.io.IOException;
  
  /**
   * @author Maria Catherine Tan
   */
  public class CleanAllPurgeExecutor
      extends AbstractContinuumPurgeExecutor
  {
      private Logger log = LoggerFactory.getLogger( CleanAllPurgeExecutor.class );
  
      private final String purgeType;
  
      public CleanAllPurgeExecutor( String purgeType )
      {
          this.purgeType = purgeType;
      }
  
      public void purge( String path )
          throws ContinuumPurgeExecutorException
      {
          if ( purgeType.equals( ContinuumPurgeConstants.PURGE_REPOSITORY ) )
          {
              purgeRepository( path );
          }
          else if ( purgeType.equals( ContinuumPurgeConstants.PURGE_DIRECTORY_RELEASES ) )
          {
              purgeReleases( path );
          }
          else if ( purgeType.equals( ContinuumPurgeConstants.PURGE_DIRECTORY_BUILDOUTPUT ) )
          {
              purgeBuildOutput( path );
          }
      }
  
      private void purgeRepository( String path )
          throws ContinuumPurgeExecutorException
      {
          try
          {
              FileUtils.cleanDirectory( path );
          }
          catch ( IOException e )
          {
              throw new ContinuumPurgeExecutorException( "Error while purging all artifacts or directories in " + path,
                                                         e );
          }
          log.info( ContinuumPurgeConstants.PURGE_REPO_CONTENTS + " - " + path );
      }
  
      private void purgeReleases( String path )
          throws ContinuumPurgeExecutorException
      {
          File workingDir = new File( path );
  
          FilenameFilter filter = new ArtifactFilenameFilter( "releases-" );
  
          File[] releasesDir = workingDir.listFiles( filter );
  
          try
          {
              for ( File releaseDir : releasesDir )
              {
                  FileUtils.deleteDirectory( releaseDir );
                  log.info( ContinuumPurgeConstants.PURGE_DIR_CONTENTS + " - " + releaseDir.getName() );
              }
          }
          catch ( IOException e )
          {
             throw new ContinuumPurgeExecutorException( "Error while purging all releases directories", e );
         }
     }
 
     private void purgeBuildOutput( String path )
         throws ContinuumPurgeExecutorException
     {
         File buildOutputDir = new File( path );
 
         FileFilter filter = DirectoryFileFilter.DIRECTORY;
 
         File[] projectsDir = buildOutputDir.listFiles( filter );
 
         try
         {
             for ( File projectDir : projectsDir )
             {
                 FileUtils.cleanDirectory( projectDir );
                 log.info( ContinuumPurgeConstants.PURGE_DIR_CONTENTS + " - " + projectDir.getName() );
             }
         }
         catch ( IOException e )
         {
             throw new ContinuumPurgeExecutorException( "Error while purging all buildOutput directories", e );
         }
     }
 }