package org.apache.maven.artifact.deployer;
   
   /*
    * 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.maven.artifact.Artifact;
  import org.apache.maven.artifact.manager.WagonManager;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.repository.metadata.RepositoryMetadataDeploymentException;
  import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager;
  import org.apache.maven.artifact.transform.ArtifactTransformationManager;
  import org.apache.maven.wagon.TransferFailedException;
  import org.codehaus.plexus.logging.AbstractLogEnabled;
  import org.codehaus.plexus.util.FileUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Iterator;
  
  public class DefaultArtifactDeployer
      extends AbstractLogEnabled
      implements ArtifactDeployer
  {
      private WagonManager wagonManager;
  
      private ArtifactTransformationManager transformationManager;
  
      private RepositoryMetadataManager repositoryMetadataManager;
  
      /**
       * @deprecated we want to use the artifact method only, and ensure artifact.file is set correctly.
       */
      public void deploy( String basedir, String finalName, Artifact artifact, ArtifactRepository deploymentRepository,
                          ArtifactRepository localRepository )
          throws ArtifactDeploymentException
      {
          String extension = artifact.getArtifactHandler().getExtension();
          File source = new File( basedir, finalName + "." + extension );
          deploy( source, artifact, deploymentRepository, localRepository );
      }
  
      public void deploy( File source, Artifact artifact, ArtifactRepository deploymentRepository,
                          ArtifactRepository localRepository )
          throws ArtifactDeploymentException
      {
          if ( !wagonManager.isOnline() )
          {
              // deployment shouldn't silently fail when offline
              throw new ArtifactDeploymentException( "System is offline. Cannot deploy artifact: " + artifact + "." );
          }
  
          // If we're installing the POM, we need to transform it first. The source file supplied for 
          // installation here may be the POM, but that POM may not be set as the file of the supplied
          // artifact. Since the transformation only has access to the artifact and not the supplied
          // source file, we have to use the Artifact.setFile(..) and Artifact.getFile(..) methods
          // to shunt the POM file into the transformation process.
          // Here, we also set a flag indicating that the POM has been shunted through the Artifact,
          // and to expect the transformed version to be available in the Artifact afterwards...
          boolean useArtifactFile = false;
          File oldArtifactFile = artifact.getFile();
          if ( "pom".equals( artifact.getType() ) )
          {
              artifact.setFile( source );
              useArtifactFile = true;
          }
          
          try
          {
              transformationManager.transformForDeployment( artifact, deploymentRepository, localRepository );
  
              // If we used the Artifact shunt to transform a POM source file, we need to install
              // the transformed version, not the supplied version. Therefore, we need to replace
              // the supplied source POM with the one from Artifact.getFile(..).
              if ( useArtifactFile )
              {
                  source = artifact.getFile();
                  artifact.setFile( oldArtifactFile );
              }
  
              // FIXME: Why oh why are we re-installing the artifact in the local repository? Isn't this
              // the responsibility of the ArtifactInstaller??
              
             // Copy the original file to the new one if it was transformed
             File artifactFile = new File( localRepository.getBasedir(), localRepository.pathOf( artifact ) );
             if ( !artifactFile.equals( source ) )
             {
                 FileUtils.copyFile( source, artifactFile );
             }
 
             wagonManager.putArtifact( source, artifact, deploymentRepository );
 
             // must be after the artifact is installed
             for ( Iterator i = artifact.getMetadataList().iterator(); i.hasNext(); )
             {
                 ArtifactMetadata metadata = (ArtifactMetadata) i.next();
                 repositoryMetadataManager.deploy( metadata, localRepository, deploymentRepository );
             }
             // TODO: would like to flush this, but the plugin metadata is added in advance, not as an install/deploy transformation
             // This would avoid the need to merge and clear out the state during deployment
 //            artifact.getMetadataList().clear();
         }
         catch ( TransferFailedException e )
         {
             throw new ArtifactDeploymentException( "Error deploying artifact: " + e.getMessage(), e );
         }
         catch ( IOException e )
         {
             throw new ArtifactDeploymentException( "Error deploying artifact: " + e.getMessage(), e );
         }
         catch ( RepositoryMetadataDeploymentException e )
         {
             throw new ArtifactDeploymentException( "Error installing artifact's metadata: " + e.getMessage(), e );
         }
     }
 }