package org.apache.continuum.purge.controller;
   
   /*
    * 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.continuum.model.repository.AbstractPurgeConfiguration;
  import org.apache.continuum.model.repository.RepositoryPurgeConfiguration;
  import org.apache.continuum.purge.ContinuumPurgeConstants;
  import org.apache.continuum.purge.PurgeConfigurationService;
  import org.apache.continuum.purge.PurgeConfigurationServiceException;
  import org.apache.continuum.purge.executor.CleanAllPurgeExecutor;
  import org.apache.continuum.purge.executor.ContinuumPurgeExecutor;
  import org.apache.continuum.purge.executor.ContinuumPurgeExecutorException;
  import org.apache.continuum.purge.executor.DaysOldRepositoryPurgeExecutor;
  import org.apache.continuum.purge.executor.ReleasedSnapshotsRepositoryPurgeExecutor;
  import org.apache.continuum.purge.executor.RetentionCountRepositoryPurgeExecutor;
  import org.apache.continuum.purge.repository.content.RepositoryManagedContent;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * DefaultPurgeController
   *
   * @author Maria Catherine Tan
   * @plexus.component role="org.apache.continuum.purge.controller.PurgeController" role-hint="purge-repository"
   */
  public class RepositoryPurgeController
      implements PurgeController
  {
      private static final Logger log = LoggerFactory.getLogger( RepositoryPurgeController.class );
  
      private ContinuumPurgeExecutor purgeExecutor;
  
      private ContinuumPurgeExecutor purgeReleasedSnapshotsExecutor;
  
      /**
       * @plexus.requirement
       */
      private PurgeConfigurationService purgeConfigurationService;
  
      private boolean deleteReleasedSnapshots = false;
  
      public void initializeExecutors( AbstractPurgeConfiguration purgeConfig )
          throws ContinuumPurgeExecutorException
      {
          RepositoryManagedContent repositoryContent;
  
          RepositoryPurgeConfiguration repoPurge = (RepositoryPurgeConfiguration) purgeConfig;
  
          try
          {
              repositoryContent = purgeConfigurationService.getManagedRepositoryContent(
                  repoPurge.getRepository().getId() );
          }
          catch ( PurgeConfigurationServiceException e )
          {
              throw new ContinuumPurgeExecutorException( "Error while initializing purge executors", e );
          }
  
          if ( repoPurge.isDeleteAll() )
          {
              purgeExecutor = new CleanAllPurgeExecutor( ContinuumPurgeConstants.PURGE_REPOSITORY );
          }
          else
          {
              if ( repoPurge.getDaysOlder() > 0 )
              {
                  purgeExecutor = new DaysOldRepositoryPurgeExecutor( repositoryContent, repoPurge.getDaysOlder(),
                                                                      repoPurge.getRetentionCount() );
              }
              else
              {
                  purgeExecutor = new RetentionCountRepositoryPurgeExecutor( repositoryContent,
                                                                             repoPurge.getRetentionCount() );
              }
  
              purgeReleasedSnapshotsExecutor = new ReleasedSnapshotsRepositoryPurgeExecutor( repositoryContent );
              deleteReleasedSnapshots = repoPurge.isDeleteReleasedSnapshots();
          }
      }
  
      public void doPurge( AbstractPurgeConfiguration purgeConfig )
      {
         RepositoryPurgeConfiguration repoPurge = (RepositoryPurgeConfiguration) purgeConfig;
         log.info( "--- Start: Purging repository [{}] {} ---", repoPurge.getRepository().getId(),
                   repoPurge.getRepository().getLocation() );
         doPurge( repoPurge.getRepository().getLocation() );
         log.info( "--- End: Purging repository [{}] {} ---", repoPurge.getRepository().getId(),
                   repoPurge.getRepository().getLocation() );
     }
 
     public void doPurge( String path )
     {
         try
         {
             if ( deleteReleasedSnapshots )
             {
                 purgeReleasedSnapshotsExecutor.purge( path );
             }
 
             purgeExecutor.purge( path );
         }
         catch ( ContinuumPurgeExecutorException e )
         {
             log.error( e.getMessage(), e );
         }
     }
 }