package org.apache.archiva.consumers.core;
   
   /*
    * 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.archiva.consumers.AbstractMonitoredConsumer;
  import org.apache.archiva.consumers.ConsumerException;
  import org.apache.archiva.consumers.KnownRepositoryContentConsumer;
  import org.apache.archiva.repository.ManagedRepository;
  import org.apache.commons.io.FileUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.context.annotation.Scope;
  import org.springframework.stereotype.Service;
  
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  /**
   * AutoRenameConsumer
   */
  @Service( "knownRepositoryContentConsumer#auto-rename" )
  @Scope( "prototype" )
  public class AutoRenameConsumer
      extends AbstractMonitoredConsumer
      implements KnownRepositoryContentConsumer
  {
      private Logger log = LoggerFactory.getLogger( AutoRenameConsumer.class );
  
      private String id = "auto-rename";
  
      private String description = "Automatically rename common artifact mistakes.";
  
      private static final String RENAME_FAILURE = "rename_failure";
  
      private Path repositoryDir;
  
      private List<String> includes = new ArrayList<>( 3 );
  
      private Map<String, String> extensionRenameMap = new HashMap<>( );
  
      public AutoRenameConsumer( )
      {
          includes.add( "**/*.distribution-tgz" );
          includes.add( "**/*.distribution-zip" );
          includes.add( "**/*.plugin" );
  
          extensionRenameMap.put( ".distribution-tgz", ".tar.gz" );
          extensionRenameMap.put( ".distribution-zip", ".zip" );
          extensionRenameMap.put( ".plugin", ".jar" );
      }
  
      @Override
      public String getId( )
      {
          return this.id;
      }
  
      @Override
      public String getDescription( )
      {
          return this.description;
      }
  
      @Override
      public void beginScan( ManagedRepository repository, Date whenGathered )
          throws ConsumerException
      {
          this.repositoryDir = Paths.get( repository.getLocation( ) );
      }
  
      @Override
      public void beginScan( ManagedRepository repository, Date whenGathered, boolean executeOnEntireRepo )
          throws ConsumerException
      {
         beginScan( repository, whenGathered );
     }
 
     @Override
     public void completeScan( )
     {
         /* do nothing */
     }
 
     @Override
     public void completeScan( boolean executeOnEntireRepo )
     {
         completeScan( );
     }
 
     @Override
     public List<String> getExcludes( )
     {
         return null;
     }
 
     @Override
     public List<String> getIncludes( )
     {
         return includes;
     }
 
     @Override
     public void processFile( String path )
         throws ConsumerException
     {
         Path file = this.repositoryDir.resolve( path );
         if ( Files.exists(file) )
         {
             Iterator<String> itExtensions = this.extensionRenameMap.keySet( ).iterator( );
             while ( itExtensions.hasNext( ) )
             {
                 String extension = itExtensions.next( );
                 if ( path.endsWith( extension ) )
                 {
                     String fixedExtension = this.extensionRenameMap.get( extension );
                     String correctedPath = path.substring( 0, path.length( ) - extension.length( ) ) + fixedExtension;
                     Path to = repositoryDir.resolve(correctedPath);
                     try
                     {
                         // Rename the file.
                         FileUtils.moveFile( file.toFile(), to.toFile() );
                     }
                     catch ( IOException e )
                     {
                         log.warn( "Unable to rename {} to {} :", path, correctedPath, e );
                         triggerConsumerWarning( RENAME_FAILURE, "Unable to rename " + path + " to " + correctedPath +
                             ": " + e.getMessage( ) );
                     }
                 }
             }
 
             log.info( "(Auto) Removing File: {} ", file.toAbsolutePath( ) );
             triggerConsumerInfo( "(Auto) Removing File: " + file.toAbsolutePath( ) );
             try
             {
                 Files.delete( file );
             }
             catch ( IOException e )
             {
                 log.error("Could not delete file {}: {}", file, e.getMessage(), e);
                 throw new ConsumerException( "File deletion failed "+file );
             }
         }
     }
 
     @Override
     public void processFile( String path, boolean executeOnEntireRepo )
         throws ConsumerException
     {
         processFile( path );
     }
 }