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.artifact.Artifact;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.project.artifact.ProjectArtifactMetadata;
  import org.apache.maven.shared.transfer.artifact.ArtifactCoordinate;
  import org.apache.maven.shared.transfer.artifact.DefaultArtifactCoordinate;
  import org.apache.maven.shared.transfer.repository.RepositoryManager;
  import org.codehaus.plexus.PlexusConstants;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  import org.codehaus.plexus.context.Context;
  import org.codehaus.plexus.context.ContextException;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
  
  /**
   * 
   */
  @Component( role = RepositoryManager.class )
  class DefaultRepositoryManager
      implements RepositoryManager, Contextualizable
  {
      private PlexusContainer container;
  
      @Override
      public String getPathForLocalArtifact( ProjectBuildingRequest buildingRequest, Artifact artifact )
      {
          try
          {
              String hint = isMaven31() ? "maven31" : "maven3";
  
              RepositoryManager effectiveRepositoryManager = container.lookup( RepositoryManager.class, hint );
  
              return effectiveRepositoryManager.getPathForLocalArtifact( buildingRequest, artifact );
          }
          catch ( ComponentLookupException e )
          {
              throw new IllegalStateException( e.getMessage(), e );
          }
      }
  
      @Override
      public String getPathForLocalArtifact( ProjectBuildingRequest buildingRequest, ArtifactCoordinate coor )
      {
          try
          {
              String hint = isMaven31() ? "maven31" : "maven3";
  
              RepositoryManager effectiveRepositoryManager = container.lookup( RepositoryManager.class, hint );
  
              return effectiveRepositoryManager.getPathForLocalArtifact( buildingRequest, coor );
          }
          catch ( ComponentLookupException e )
          {
              throw new IllegalStateException( e.getMessage(), e );
          }
      }
  
      @Override
      public String getPathForLocalMetadata( ProjectBuildingRequest buildingRequest, ArtifactMetadata metadata )
      {
          if ( metadata instanceof ProjectArtifactMetadata )
          {
              DefaultArtifactCoordinate pomCoordinate = new DefaultArtifactCoordinate();
              pomCoordinate.setGroupId( metadata.getGroupId() );
              pomCoordinate.setArtifactId( metadata.getArtifactId() );
              pomCoordinate.setVersion( metadata.getBaseVersion() );
              pomCoordinate.setExtension( "pom" );
              return getPathForLocalArtifact( buildingRequest, pomCoordinate );
          }
          
          try
          {
              
              String hint = isMaven31() ? "maven31" : "maven3";
              
             RepositoryManager effectiveRepositoryManager = container.lookup( RepositoryManager.class, hint );
             
             return effectiveRepositoryManager.getPathForLocalMetadata( buildingRequest, metadata );
         }
         catch ( ComponentLookupException e )
         {
             throw new IllegalStateException( e.getMessage(), e );
         }
     }
 
     @Override
     public ProjectBuildingRequest setLocalRepositoryBasedir( ProjectBuildingRequest request, File basedir )
     {
         try
         {
             String hint = isMaven31() ? "maven31" : isMaven302() ? "maven302" : "maven3";
 
             RepositoryManager effectiveRepositoryManager = container.lookup( RepositoryManager.class, hint );
 
             return effectiveRepositoryManager.setLocalRepositoryBasedir( request, basedir );
         }
         catch ( ComponentLookupException e )
         {
             throw new IllegalStateException( e.getMessage(), e );
         }
     }
 
     @Override
     public File getLocalRepositoryBasedir( ProjectBuildingRequest request )
     {
         try
         {
             String hint = isMaven31() ? "maven31" : isMaven302() ? "maven302" : "maven3";
 
             RepositoryManager effectiveRepositoryManager = container.lookup( RepositoryManager.class, hint );
 
             return effectiveRepositoryManager.getLocalRepositoryBasedir( request );
         }
         catch ( ComponentLookupException e )
         {
             throw new IllegalStateException( e.getMessage(), e );
         }
     }
 
     /**
      * @return true if the current Maven version is Maven 3.1.
      */
     protected static boolean isMaven31()
     {
         return canFindCoreClass( "org.eclipse.aether.artifact.Artifact" ); // Maven 3.1 specific
     }
 
     /**
      * @return true if the current Maven version is Maven 3.0.2
      */
     protected static boolean isMaven302()
     {
         return canFindCoreClass( "org.sonatype.aether.spi.localrepo.LocalRepositoryManagerFactory" );
     }
 
     private static boolean canFindCoreClass( String className )
     {
         try
         {
             Thread.currentThread().getContextClassLoader().loadClass( className );
 
             return true;
         }
         catch ( ClassNotFoundException e )
         {
             return false;
         }
     }
 
     /**
      * Injects the Plexus content.
      *
      * @param context Plexus context to inject.
      * @throws ContextException if the PlexusContainer could not be located.
      */
     public void contextualize( Context context )
         throws ContextException
     {
         container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
     }
 }