package org.apache.archiva.repository.scanner;
   
   /*
    * 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.admin.model.RepositoryAdminException;
  import org.apache.archiva.admin.model.admin.ArchivaAdministration;
  import org.apache.archiva.common.utils.BaseFile;
  import org.apache.archiva.common.utils.PathUtil;
  import org.apache.archiva.configuration.ArchivaConfiguration;
  import org.apache.archiva.consumers.InvalidRepositoryContentConsumer;
  import org.apache.archiva.consumers.KnownRepositoryContentConsumer;
  import org.apache.archiva.consumers.RepositoryContentConsumer;
  import org.apache.archiva.consumers.functors.ConsumerWantsFilePredicate;
  import org.apache.archiva.components.registry.RegistryListener;
  import org.apache.archiva.repository.ManagedRepository;
  import org.apache.archiva.repository.scanner.functors.ConsumerProcessFileClosure;
  import org.apache.archiva.repository.scanner.functors.TriggerBeginScanClosure;
  import org.apache.archiva.repository.scanner.functors.TriggerScanCompletedClosure;
  import org.apache.commons.collections4.Closure;
  import org.apache.commons.collections4.CollectionUtils;
  import org.apache.commons.collections4.IterableUtils;
  import org.apache.commons.collections4.functors.IfClosure;
  import org.springframework.beans.BeansException;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import java.nio.file.Path;
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * RepositoryContentConsumerUtil
   */
  @Service("repositoryContentConsumers")
  public class RepositoryContentConsumers
      implements ApplicationContextAware
  {
  
      @Inject
      private ApplicationContext applicationContext;
  
      private ArchivaAdministration archivaAdministration;
  
      private List<KnownRepositoryContentConsumer> selectedKnownConsumers;
  
      private List<InvalidRepositoryContentConsumer> selectedInvalidConsumers;
  
      @Inject
      private ArchivaConfiguration archivaConfiguration;
  
      @Inject
      public RepositoryContentConsumers( ArchivaAdministration archivaAdministration )
      {
          this.archivaAdministration = archivaAdministration;
      }
  
      @Override
      public void setApplicationContext( ApplicationContext applicationContext )
          throws BeansException
      {
          this.applicationContext = applicationContext;
      }
  
      /**
       * <p>
       * Get the list of Ids associated with those {@link KnownRepositoryContentConsumer} that have
       * been selected in the configuration to execute.
       * </p>
       * <p>
       * NOTE: This list can be larger and contain entries that might not exist or be available
       * in the classpath, or as a component.
       * </p>
       *
       * @return the list of consumer ids that have been selected by the configuration.
       */
      public List<String> getSelectedKnownConsumerIds()
          throws RepositoryAdminException
     {
         return archivaAdministration.getKnownContentConsumers();
     }
 
     /**
      * <p>
      * Get the list of Ids associated with those {@link InvalidRepositoryContentConsumer} that have
      * been selected in the configuration to execute.
      * </p>
      * <p>
      * NOTE: This list can be larger and contain entries that might not exist or be available
      * in the classpath, or as a component.
      * </p>
      *
      * @return the list of consumer ids that have been selected by the configuration.
      */
     public List<String> getSelectedInvalidConsumerIds()
         throws RepositoryAdminException
     {
         return archivaAdministration.getInvalidContentConsumers();
     }
 
     /**
      * Get the map of {@link String} ids to {@link KnownRepositoryContentConsumer} implementations,
      * for those consumers that have been selected according to the active configuration.
      *
      * @return the map of String ids to {@link KnownRepositoryContentConsumer} objects.
      */
     public Map<String, KnownRepositoryContentConsumer> getSelectedKnownConsumersMap()
         throws RepositoryAdminException
     {
         Map<String, KnownRepositoryContentConsumer> consumerMap = new HashMap<>();
 
         for ( KnownRepositoryContentConsumer consumer : getSelectedKnownConsumers() )
         {
             consumerMap.put( consumer.getId(), consumer );
         }
 
         return consumerMap;
     }
 
     /**
      * Get the map of {@link String} ids to {@link InvalidRepositoryContentConsumer} implementations,
      * for those consumers that have been selected according to the active configuration.
      *
      * @return the map of String ids to {@link InvalidRepositoryContentConsumer} objects.
      */
     public Map<String, InvalidRepositoryContentConsumer> getSelectedInvalidConsumersMap()
         throws RepositoryAdminException
     {
         Map<String, InvalidRepositoryContentConsumer> consumerMap = new HashMap<>();
 
         for ( InvalidRepositoryContentConsumer consumer : getSelectedInvalidConsumers() )
         {
             consumerMap.put( consumer.getId(), consumer );
         }
 
         return consumerMap;
     }
 
     /**
      * Get the list of {@link KnownRepositoryContentConsumer} objects that are
      * selected according to the active configuration.
      *
      * @return the list of {@link KnownRepositoryContentConsumer} that have been selected
      * by the active configuration.
      */
     public List<KnownRepositoryContentConsumer> getSelectedKnownConsumers()
         throws RepositoryAdminException
     {
         // FIXME only for testing
         if ( selectedKnownConsumers != null )
         {
             return selectedKnownConsumers;
         }
         List<KnownRepositoryContentConsumer> ret = new ArrayList<>();
 
         List<String> knownSelected = getSelectedKnownConsumerIds();
 
         for ( KnownRepositoryContentConsumer consumer : getAvailableKnownConsumers() )
         {
             if ( knownSelected.contains( consumer.getId() ) )
             {
                 ret.add( consumer );
             }
         }
         return ret;
     }
 
     public void releaseSelectedKnownConsumers( List<KnownRepositoryContentConsumer> repositoryContentConsumers )
     {
         if ( repositoryContentConsumers == null )
         {
             return;
         }
         for ( KnownRepositoryContentConsumer knownRepositoryContentConsumer : repositoryContentConsumers )
         {
             if ( RegistryListener.class.isAssignableFrom( knownRepositoryContentConsumer.getClass() ) )
             {
                 archivaConfiguration.removeChangeListener(
                     RegistryListener.class.cast( knownRepositoryContentConsumer ) );
             }
         }
     }
 
     /**
      * Get the list of {@link InvalidRepositoryContentConsumer} objects that are
      * selected according to the active configuration.
      *
      * @return the list of {@link InvalidRepositoryContentConsumer} that have been selected
      * by the active configuration.
      */
     public synchronized List<InvalidRepositoryContentConsumer> getSelectedInvalidConsumers()
         throws RepositoryAdminException
     {
 
         // FIXME only for testing
         if ( selectedInvalidConsumers != null )
         {
             return selectedInvalidConsumers;
         }
 
         List<InvalidRepositoryContentConsumer> ret = new ArrayList<>();
 
         List<String> invalidSelected = getSelectedInvalidConsumerIds();
 
         for ( InvalidRepositoryContentConsumer consumer : getAvailableInvalidConsumers() )
         {
             if ( invalidSelected.contains( consumer.getId() ) )
             {
                 ret.add( consumer );
             }
         }
         return ret;
     }
 
 
     /**
      * Get the list of {@link KnownRepositoryContentConsumer} objects that are
      * available and present in the classpath and as components in the IoC.
      *
      * @return the list of all available {@link KnownRepositoryContentConsumer} present in the classpath
      * and as a component in the IoC.
      */
     public List<KnownRepositoryContentConsumer> getAvailableKnownConsumers()
     {
         return new ArrayList<>( applicationContext.getBeansOfType( KnownRepositoryContentConsumer.class ).values() );
     }
 
     /**
      * Get the list of {@link InvalidRepositoryContentConsumer} objects that are
      * available and present in the classpath and as components in the IoC.
      *
      * @return the list of all available {@link InvalidRepositoryContentConsumer} present in the classpath
      * and as a component in the IoC.
      */
     public List<InvalidRepositoryContentConsumer> getAvailableInvalidConsumers()
     {
         return new ArrayList<>( applicationContext.getBeansOfType( InvalidRepositoryContentConsumer.class ).values() );
     }
 
     /**
      * A convienence method to execute all of the active selected consumers for a
      * particular arbitrary file.
      * NOTE: Make sure that there is no repository scanning task executing before invoking this so as to prevent
      * the index writer/reader of the current index-content consumer executing from getting closed. For an example,
      * see ArchivaDavResource#executeConsumers( File ).
      *
      * @param repository             the repository configuration to use.
      * @param localFile              the local file to execute the consumers against.
      * @param updateRelatedArtifacts TODO
      */
     public void executeConsumers( ManagedRepository repository, Path localFile, boolean updateRelatedArtifacts )
         throws RepositoryAdminException
     {
         List<KnownRepositoryContentConsumer> selectedKnownConsumers = null;
         // Run the repository consumers
         try
         {
             Closure<RepositoryContentConsumer> triggerBeginScan = new TriggerBeginScanClosure( repository, getStartTime(), false );
 
             selectedKnownConsumers = getSelectedKnownConsumers();
 
             // MRM-1212/MRM-1197 
             // - do not create missing/fix invalid checksums and update metadata when deploying from webdav since these are uploaded by maven
             if ( !updateRelatedArtifacts )
             {
                 List<KnownRepositoryContentConsumer> clone = new ArrayList<>();
                 clone.addAll( selectedKnownConsumers );
 
                 for ( KnownRepositoryContentConsumer consumer : clone )
                 {
                     if ( consumer.getId().equals( "create-missing-checksums" ) || consumer.getId().equals(
                         "metadata-updater" ) )
                     {
                         selectedKnownConsumers.remove( consumer );
                     }
                 }
             }
 
             List<InvalidRepositoryContentConsumer> selectedInvalidConsumers = getSelectedInvalidConsumers();
             IterableUtils.forEach( selectedKnownConsumers, triggerBeginScan );
             IterableUtils.forEach( selectedInvalidConsumers, triggerBeginScan );
 
             // yuck. In case you can't read this, it says
             // "process the file if the consumer has it in the includes list, and not in the excludes list"
             Path repoPath = PathUtil.getPathFromUri( repository.getLocation() );
             BaseFilels/BaseFile.html#BaseFile">BaseFile baseFile = new BaseFile( repoPath.toString(), localFile.toFile() );
             ConsumerWantsFilePredicatentsFilePredicate.html#ConsumerWantsFilePredicate">ConsumerWantsFilePredicate predicate = new ConsumerWantsFilePredicate( repository );
             predicate.setBasefile( baseFile );
             predicate.setCaseSensitive( false );
 
             ConsumerProcessFileClosure/ConsumerProcessFileClosure.html#ConsumerProcessFileClosure">ConsumerProcessFileClosure closure = new ConsumerProcessFileClosure();
             closure.setBasefile( baseFile );
             closure.setExecuteOnEntireRepo( false );
 
             Closure<RepositoryContentConsumer> processIfWanted = IfClosure.ifClosure( predicate, closure );
 
             IterableUtils.forEach( selectedKnownConsumers, processIfWanted );
 
             if ( predicate.getWantedFileCount() <= 0 )
             {
                 // Nothing known processed this file.  It is invalid!
                 IterableUtils.forEach( selectedInvalidConsumers, closure );
             }
 
             TriggerScanCompletedClosurempletedClosure.html#TriggerScanCompletedClosure">TriggerScanCompletedClosure scanCompletedClosure = new TriggerScanCompletedClosure( repository, false );
 
             IterableUtils.forEach( selectedKnownConsumers, scanCompletedClosure );
         }
         finally
         {
             /* TODO: This is never called by the repository scanner instance, so not calling here either - but it probably should be?
                         IterableUtils.forEach( availableKnownConsumers, triggerCompleteScan );
                         IterableUtils.forEach( availableInvalidConsumers, triggerCompleteScan );
             */
             releaseSelectedKnownConsumers( selectedKnownConsumers );
         }
     }
 
     public void setSelectedKnownConsumers( List<KnownRepositoryContentConsumer> selectedKnownConsumers )
     {
         this.selectedKnownConsumers = selectedKnownConsumers;
     }
 
     public void setSelectedInvalidConsumers( List<InvalidRepositoryContentConsumer> selectedInvalidConsumers )
     {
         this.selectedInvalidConsumers = selectedInvalidConsumers;
     }
 
     protected Date getStartTime()
     {
         return new Date( System.currentTimeMillis() );
     }
 
     public void setArchivaAdministration( ArchivaAdministration archivaAdministration )
     {
         this.archivaAdministration = archivaAdministration;
     }
 }