package org.apache.maven.shared.transfer.project.install.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 java.io.IOException;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.LinkedHashSet;
  import java.util.List;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.ProjectBuildingRequest;
  import org.apache.maven.project.artifact.ProjectArtifact;
  import org.apache.maven.project.artifact.ProjectArtifactMetadata;
  import org.apache.maven.shared.transfer.artifact.install.ArtifactInstaller;
  import org.apache.maven.shared.transfer.artifact.install.ArtifactInstallerException;
  import org.apache.maven.shared.transfer.project.MavenAetherUtils;
  import org.apache.maven.shared.transfer.project.NoFileAssignedException;
  import org.apache.maven.shared.transfer.project.install.ProjectInstaller;
  import org.apache.maven.shared.transfer.project.install.ProjectInstallerRequest;
  import org.apache.maven.shared.transfer.repository.RepositoryManager;
  import org.codehaus.plexus.component.annotations.Component;
  import org.codehaus.plexus.component.annotations.Requirement;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * This will install a whole project into the appropriate repository.
   * 
   * @author Karl Heinz Marbaise <a href="mailto:khmarbaise@apache.org">khmarbaise@apache.org</a>
   */
  @Component( role = ProjectInstaller.class )
  class DefaultProjectInstaller
      implements ProjectInstaller
  {
  
      private static final Logger LOGGER = LoggerFactory.getLogger( DefaultProjectInstaller.class );
  
      @Requirement
      private ArtifactInstaller installer;
  
      @Requirement
      private RepositoryManager repositoryManager;
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void install( ProjectBuildingRequest buildingRequest, ProjectInstallerRequest installerRequest )
          throws IOException, ArtifactInstallerException, NoFileAssignedException, IllegalArgumentException
      {
  
          validateParameters( buildingRequest, installerRequest );
  
          MavenAetherUtils.importAetherLibrary();
  
          MavenProject project = installerRequest.getProject();
  
          Artifact artifact = project.getArtifact();
          String packaging = project.getPackaging();
          File pomFile = project.getFile();
  
          List<Artifact> attachedArtifacts = project.getAttachedArtifacts();
  
          // TODO: push into transformation
          boolean isPomArtifact = "pom".equals( packaging );
  
          ProjectArtifactMetadata metadata;
  
          Collection<File> metadataFiles = new LinkedHashSet<File>();
  
          if ( isPomArtifact )
          {
              if ( pomFile != null )
              {
                  installer.install( buildingRequest,
                                     Collections.<Artifact>singletonList( new ProjectArtifact( project ) ) );
                  addMetaDataFilesForArtifact( buildingRequest, artifact, metadataFiles );
              }
         }
         else
         {
             if ( pomFile != null )
             {
                 metadata = new ProjectArtifactMetadata( artifact, pomFile );
                 artifact.addMetadata( metadata );
             }
 
             File file = artifact.getFile();
 
             // Here, we have a temporary solution to MINSTALL-3 (isDirectory() is true if it went through compile
             // but not package). We are designing in a proper solution for Maven 2.1
             if ( file != null && file.isFile() )
             {
                 installer.install( buildingRequest, Collections.<Artifact>singletonList( artifact ) );
                 addMetaDataFilesForArtifact( buildingRequest, artifact, metadataFiles );
             }
             else if ( !attachedArtifacts.isEmpty() )
             {
                 throw new NoFileAssignedException( "The packaging plugin for this project did not assign "
                     + "a main file to the project but it has attachments. Change packaging to 'pom'." );
             }
             else
             {
                 // CHECKSTYLE_OFF: LineLength
                 throw new NoFileAssignedException( "The packaging for this project did not assign a file to the build artifact" );
                 // CHECKSTYLE_ON: LineLength
             }
         }
 
         for ( Artifact attached : attachedArtifacts )
         {
             LOGGER.debug( "Installing artifact: ", attached.getId() );
             installer.install( buildingRequest, Collections.singletonList( attached ) );
             addMetaDataFilesForArtifact( buildingRequest, attached, metadataFiles );
         }
 
     }
 
     private void validateParameters( ProjectBuildingRequest buildingRequest, ProjectInstallerRequest installerRequest )
     {
         if ( buildingRequest == null )
         {
             throw new IllegalArgumentException( "The parameter buildingRequest is not allowed to be null." );
         }
         if ( installerRequest == null )
         {
             throw new IllegalArgumentException( "The parameter installerRequest is not allowed to be null." );
         }
     }
 
     // CHECKSTYLE_OFF: LineLength
     private void addMetaDataFilesForArtifact( ProjectBuildingRequest buildingRequest, Artifact artifact,
                                               Collection<File> targetMetadataFiles )
     // CHECKSTYLE_ON: LineLength
     {
         Collection<ArtifactMetadata> metadatas = artifact.getMetadataList();
         if ( metadatas != null )
         {
             for ( ArtifactMetadata metadata : metadatas )
             {
                 File metadataFile = getLocalRepoFile( buildingRequest, metadata );
                 targetMetadataFiles.add( metadataFile );
             }
         }
     }
 
     /**
      * Gets the path of the specified artifact metadata within the local repository. Note that the returned path need
      * not exist (yet).
      *
      * @param buildingRequest The project building request, must not be <code>null</code>.
      * @param metadata The artifact metadata whose local repo path should be determined, must not be <code>null</code>.
      * @return The absolute path to the artifact metadata when installed, never <code>null</code>.
      */
     private File getLocalRepoFile( ProjectBuildingRequest buildingRequest, ArtifactMetadata metadata )
     {
         String path = repositoryManager.getPathForLocalMetadata( buildingRequest, metadata );
         return new File( repositoryManager.getLocalRepositoryBasedir( buildingRequest ), path );
     }
 
 }