package org.apache.maven.shared.transfer.repository.internal;
   
   /*
    * 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.io.File;
  
  import org.apache.maven.RepositoryUtils;
  import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.project.DefaultProjectBuildingRequest;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.shared.transfer.artifact.ArtifactCoordinate;
  import org.apache.maven.shared.transfer.repository.RepositoryManager;
  import org.apache.maven.shared.transfer.repository.RepositoryManagerException;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.eclipse.aether.DefaultRepositoryCache;
  import org.eclipse.aether.DefaultRepositorySystemSession;
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.eclipse.aether.metadata.DefaultMetadata;
  import org.eclipse.aether.metadata.Metadata;
  import org.eclipse.aether.metadata.Metadata.Nature;
  import org.eclipse.aether.repository.LocalRepository;
  import org.eclipse.aether.repository.LocalRepositoryManager;
  
  /**
   * 
   */
  @Component( role = RepositoryManager.class, hint = "maven31" )
  class Maven31RepositoryManager
      implements RepositoryManager
  {
      @Requirement
      private RepositorySystem repositorySystem;
  
      @Requirement
      private ArtifactHandlerManager artifactHandlerManager;
  
      @Override
      public String getPathForLocalArtifact( ProjectBuildingRequest buildingRequest,
                                             org.apache.maven.artifact.Artifact mavenArtifact )
      {
          Artifact aetherArtifact;
          RepositorySystemSession session;
  
          // LRM.getPathForLocalArtifact() won't throw an Exception, so translate reflection error to RuntimeException
          try
          {
              aetherArtifact = (Artifact) Invoker.invoke( RepositoryUtils.class, "toArtifact",
                                                          org.apache.maven.artifact.Artifact.class, mavenArtifact );
  
              session = (RepositorySystemSession) Invoker.invoke( buildingRequest, "getRepositorySession" );
          }
          catch ( RepositoryManagerException e )
          {
              throw new RuntimeException( e.getMessage(), e );
          }
  
          return session.getLocalRepositoryManager().getPathForLocalArtifact( aetherArtifact );
      }
  
      @Override
      public String getPathForLocalArtifact( ProjectBuildingRequest buildingRequest, ArtifactCoordinate coordinate )
      {
          Artifact aetherArtifact;
  
          RepositorySystemSession session;
  
          // LRM.getPathForLocalArtifact() won't throw an Exception, so translate reflection error to RuntimeException
          try
          {
              aetherArtifact = toArtifact( coordinate );
  
              session = (RepositorySystemSession) Invoker.invoke( buildingRequest, "getRepositorySession" );
          }
          catch ( RepositoryManagerException e )
          {
              throw new RuntimeException( e.getMessage(), e );
          }
 
         return session.getLocalRepositoryManager().getPathForLocalArtifact( aetherArtifact );
     }
     
     @Override
     public String getPathForLocalMetadata( ProjectBuildingRequest buildingRequest, ArtifactMetadata metadata )
     {
         Metadata aetherMetadata =
             new DefaultMetadata( metadata.getGroupId(),
                                  metadata.storedInGroupDirectory() ? null : metadata.getArtifactId(),
                                  metadata.storedInArtifactVersionDirectory() ? metadata.getBaseVersion() : null,
                                  "maven-metadata.xml", Nature.RELEASE_OR_SNAPSHOT );
 
         RepositorySystemSession session;
         try
         {
             session = (RepositorySystemSession) Invoker.invoke( buildingRequest, "getRepositorySession" );
         }
         catch ( RepositoryManagerException e )
         {
             throw new RuntimeException( e.getMessage(), e );
         }
         return session.getLocalRepositoryManager().getPathForLocalMetadata( aetherMetadata );
     }
 
     @Override
     public ProjectBuildingRequest setLocalRepositoryBasedir( ProjectBuildingRequest buildingRequest, File basedir )
     {
         ProjectBuildingRequest newRequest = new DefaultProjectBuildingRequest( buildingRequest );
 
         RepositorySystemSession session;
         try
         {
             session = (RepositorySystemSession) Invoker.invoke( buildingRequest, "getRepositorySession" );
         }
         catch ( RepositoryManagerException e )
         {
             throw new RuntimeException( e.getMessage(), e );
         }
 
         // "clone" session and replace localRepository
         DefaultRepositorySystemSession newSession = new DefaultRepositorySystemSession( session );
 
         // Clear cache, since we're using a new local repository
         newSession.setCache( new DefaultRepositoryCache() );
 
         // keep same repositoryType
         String repositoryType = resolveRepositoryType( session.getLocalRepository() );
 
         LocalRepositoryManager localRepositoryManager =
             repositorySystem.newLocalRepositoryManager( newSession, new LocalRepository( basedir, repositoryType ) );
 
         newSession.setLocalRepositoryManager( localRepositoryManager );
 
         try
         {
             Invoker.invoke( newRequest, "setRepositorySession", RepositorySystemSession.class, newSession );
         }
         catch ( RepositoryManagerException e )
         {
             throw new RuntimeException( e.getMessage(), e );
         }
 
         return newRequest;
     }
 
     @Override
     public File getLocalRepositoryBasedir( ProjectBuildingRequest buildingRequest )
     {
         RepositorySystemSession session;
         try
         {
             session = (RepositorySystemSession) Invoker.invoke( buildingRequest, "getRepositorySession" );
         }
         catch ( RepositoryManagerException e )
         {
             throw new RuntimeException( e.getMessage(), e );
         }
 
         return session.getLocalRepository().getBasedir();
     }
 
     /**
      * @param localRepository {@link LocalRepository}
      * @return the resolved type.
      */
     protected String resolveRepositoryType( LocalRepository localRepository )
     {
         String repositoryType;
         if ( "enhanced".equals( localRepository.getContentType() ) )
         {
             repositoryType = "default";
         }
         else
         {
             // this should be "simple"
             repositoryType = localRepository.getContentType();
         }
         return repositoryType;
     }
 
     /**
      * @param coordinate {@link ArtifactCoordinate}
      * @return {@link Artifact}
      */
     protected Artifact toArtifact( ArtifactCoordinate coordinate )
     {
         if ( coordinate == null )
         {
             return null;
         }
 
         Artifact result =
             new DefaultArtifact( coordinate.getGroupId(), coordinate.getArtifactId(), coordinate.getClassifier(),
                                  coordinate.getExtension(), coordinate.getVersion() );
 
         return result;
     }
 }