package org.apache.continuum.repository;
   
   /*
    * 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 java.util.List;
  
  import org.apache.continuum.dao.LocalRepositoryDao;
  import org.apache.continuum.dao.ProjectGroupDao;
  import org.apache.continuum.dao.RepositoryPurgeConfigurationDao;
  import org.apache.continuum.model.repository.LocalRepository;
  import org.apache.continuum.model.repository.RepositoryPurgeConfiguration;
  import org.apache.continuum.taskqueue.manager.TaskQueueManager;
  import org.apache.continuum.taskqueue.manager.TaskQueueManagerException;
  import org.apache.maven.continuum.model.project.ProjectGroup;
  import org.apache.maven.continuum.store.ContinuumObjectNotFoundException;
  import org.apache.maven.continuum.store.ContinuumStoreException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * DefaultRepositoryService
   *
   * @author Maria Catherine Tan
   * @version $Id: DefaultRepositoryService.java 764863 2009-04-14 16:28:12Z evenisse $
   * @plexus.component role="org.apache.continuum.repository.RepositoryService" role-hint="default"
   * @since 25 jul 07
   */
  public class DefaultRepositoryService
      implements RepositoryService
  {
      private static final Logger log = LoggerFactory.getLogger( DefaultRepositoryService.class );
  
      /**
       * @plexus.requirement
       */
      private LocalRepositoryDao localRepositoryDao;
  
      /**
       * @plexus.requirement
       */
      private RepositoryPurgeConfigurationDao repositoryPurgeConfigurationDao;
  
      /**
       * @plexus.requirement
       */
      private ProjectGroupDao projectGroupDao;
  
      /**
       * @plexus.requirement
       */
      private TaskQueueManager taskQueueManager;
  
      public LocalRepository addLocalRepository( LocalRepository localRepository )
          throws RepositoryServiceException
      {
          LocalRepository repository = null;
  
          try
          {
              List<LocalRepository> repos = getAllLocalRepositories();
              for ( LocalRepository repo : repos )
              {
                  if ( repo.getName().equals( localRepository.getName() ) )
                  {
                      throw new RepositoryServiceException( "Local repository name must be unique" );
                  }
  
                  if ( repo.getLocation().equals( localRepository.getLocation() ) )
                  {
                      throw new RepositoryServiceException( "Local repository location must be unique" );
                  }
              }
  
              localRepository.setName( localRepository.getName().trim() );
              localRepository.setLocation( localRepository.getLocation().trim() );
  
              repository = localRepositoryDao.addLocalRepository( localRepository );
  
              log.info( "Added new local repository: " + repository.getName() );
          }
          catch ( ContinuumStoreException e )
          {
             throw new RepositoryServiceException( "Unable to add the requested local repository", e );
         }
 
         return repository;
     }
 
     public void removeLocalRepository( int repositoryId )
         throws RepositoryServiceException
     {
         try
         {
             LocalRepository repository = getLocalRepository( repositoryId );
 
             if ( taskQueueManager.isRepositoryInUse( repositoryId ) )
             {
                 return;
             }
 
             if ( taskQueueManager.isRepositoryInPurgeQueue( repositoryId ) )
             {
                 taskQueueManager.removeRepositoryFromPurgeQueue( repositoryId );
             }
 
             log.info( "Remove purge configurations of " + repository.getName() );
             removePurgeConfigurationsOfRepository( repositoryId );
 
             List<ProjectGroup> groups = projectGroupDao.getProjectGroupByRepository( repositoryId );
 
             for ( ProjectGroup group : groups )
             {
                 group.setLocalRepository( null );
                 projectGroupDao.updateProjectGroup( group );
             }
 
             localRepositoryDao.removeLocalRepository( repository );
 
             log.info( "Removed local repository: " + repository.getName() );
         }
         catch ( TaskQueueManagerException e )
         {
             // swallow?
         }
         catch ( ContinuumStoreException e )
         {
             throw new RepositoryServiceException( "Unable to delete the requested local repository", e );
         }
     }
 
     public void updateLocalRepository( LocalRepository localRepository )
         throws RepositoryServiceException
     {
         localRepository.setName( localRepository.getName().trim() );
         localRepository.setLocation( localRepository.getLocation().trim() );
 
         try
         {
             if ( taskQueueManager.isRepositoryInUse( localRepository.getId() ) )
             {
                 return;
             }
 
             localRepositoryDao.updateLocalRepository( localRepository );
 
             log.info( "Updated local repository: " + localRepository.getName() );
         }
         catch ( TaskQueueManagerException e )
         {
             // swallow?
         }
         catch ( ContinuumStoreException e )
         {
             throw new RepositoryServiceException( "Unable to update the requested local repository", e );
         }
     }
 
     public List<LocalRepository> getAllLocalRepositories()
     {
         return localRepositoryDao.getAllLocalRepositories();
     }
 
     public List<LocalRepository> getLocalRepositoriesByLayout( String layout )
     {
         return localRepositoryDao.getLocalRepositoriesByLayout( layout );
     }
 
     public LocalRepository getLocalRepositoryByLocation( String location )
         throws RepositoryServiceException
     {
         try
         {
             return localRepositoryDao.getLocalRepositoryByLocation( location );
         }
         catch ( ContinuumObjectNotFoundException e )
         {
             throw new RepositoryServiceException( "No repository found with location: " + location, e );
         }
         catch ( ContinuumStoreException e )
         {
             throw new RepositoryServiceException( "Unable to retrieve local repository by location: " + location, e );
         }
     }
 
     public LocalRepository getLocalRepository( int repositoryId )
         throws RepositoryServiceException
     {
         try
         {
             return localRepositoryDao.getLocalRepository( repositoryId );
         }
         catch ( ContinuumObjectNotFoundException e )
         {
             throw new RepositoryServiceException( "No repository found with id: " + repositoryId, e );
         }
         catch ( ContinuumStoreException e )
         {
             throw new RepositoryServiceException( "Unable to retrieve local repository: " + repositoryId, e );
         }
     }
 
     private void removePurgeConfigurationsOfRepository( int repositoryId )
         throws RepositoryServiceException
     {
         try
         {
             List<RepositoryPurgeConfiguration> purgeConfigs =
                 repositoryPurgeConfigurationDao.getRepositoryPurgeConfigurationsByLocalRepository( repositoryId );
 
             for ( RepositoryPurgeConfiguration purgeConfig : purgeConfigs )
             {
                 repositoryPurgeConfigurationDao.removeRepositoryPurgeConfiguration( purgeConfig );
             }
         }
         catch ( ContinuumObjectNotFoundException e )
         {
             throw new RepositoryServiceException( "Error while removing local repository: " + repositoryId, e );
         }
         catch ( ContinuumStoreException e )
         {
             throw new RepositoryServiceException(
                 "Error while removing purge configurations of local repository: " + repositoryId, e );
         }
     }
 }