package org.apache.archiva.metadata.repository.jcr;
   
   /*
    * 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.metadata.model.MetadataFacetFactory;
  import org.apache.archiva.metadata.repository.MetadataRepository;
  import org.apache.archiva.metadata.repository.MetadataResolver;
  import org.apache.archiva.metadata.repository.RepositorySession;
  import org.apache.archiva.metadata.repository.RepositorySessionFactory;
  import org.apache.archiva.metadata.repository.RepositorySessionFactoryBean;
  import org.apache.commons.lang.StringUtils;
  import org.apache.commons.lang.time.StopWatch;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.context.ApplicationContext;
  import org.springframework.stereotype.Service;
  
  import javax.annotation.PostConstruct;
  import javax.inject.Inject;
  import javax.jcr.Repository;
  import javax.jcr.RepositoryException;
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   *
   */
  @Service("repositorySessionFactory#jcr")
  public class JcrRepositorySessionFactory
      implements RepositorySessionFactory
  {
  
      private Logger logger = LoggerFactory.getLogger( getClass() );
  
      @Inject
      private ApplicationContext applicationContext;
  
      private Map<String, MetadataFacetFactory> metadataFacetFactories;
  
      @Inject
      private Repository repository;
  
      @Inject
      private MetadataResolver metadataResolver;
  
      @Inject
      private RepositorySessionFactoryBean repositorySessionFactoryBean;
  
      @Override
      public RepositorySession createSession()
      {
          try
          {
              // FIXME: is this the right separation? or should a JCR session object contain the JCR session information?
              //  such a change might allow us to avoid creating two objects for each request. It would also clear up
              //  the ambiguities in the API where session & repository are the inverse of JCR; and the resolver is
              //  retrieved from the session but must have it passed in. These should be reviewed before finalising the
              //  API.
              MetadataRepository metadataRepository = new JcrMetadataRepository( metadataFacetFactories, repository );
  
              return new RepositorySession( metadataRepository, metadataResolver );
          }
          catch ( RepositoryException e )
          {
              // FIXME: a custom exception requires refactoring for callers to handle it
              throw new RuntimeException( e );
          }
      }
  
      @PostConstruct
      public void initialize()
          throws Exception
      {
  
          // skip initialisation if not cassandra
          if ( !StringUtils.equals( repositorySessionFactoryBean.getId(), "jcr" ) )
          {
              return;
          }
  
          StopWatch stopWatch = new StopWatch();
          stopWatch.start();
 
         metadataFacetFactories = applicationContext.getBeansOfType( MetadataFacetFactory.class );
         // olamy with spring the "id" is now "metadataFacetFactory#hint"
         // whereas was only hint with plexus so let remove  metadataFacetFactory#
         Map<String, MetadataFacetFactory> cleanedMetadataFacetFactories =
             new HashMap<>( metadataFacetFactories.size() );
 
         for ( Map.Entry<String, MetadataFacetFactory> entry : metadataFacetFactories.entrySet() )
         {
             cleanedMetadataFacetFactories.put( StringUtils.substringAfterLast( entry.getKey(), "#" ),
                                                entry.getValue() );
         }
 
         metadataFacetFactories = cleanedMetadataFacetFactories;
 
         JcrMetadataRepository metadataRepository = null;
         try
         {
             metadataRepository = new JcrMetadataRepository( metadataFacetFactories, repository );
             JcrMetadataRepository.initialize( metadataRepository.getJcrSession() );
         }
         catch ( RepositoryException e )
         {
             throw new RuntimeException( e.getMessage(), e );
         }
         finally
         {
             if ( metadataRepository != null )
             {
                 metadataRepository.close();
             }
         }
 
         stopWatch.stop();
         logger.info( "time to initialize JcrRepositorySessionFactory: {}", stopWatch.getTime() );
     }
 }