package org.apache.maven.project.artifact;
   
   /*
    * 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 org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.metadata.AbstractArtifactMetadata;
  import org.apache.maven.artifact.metadata.ArtifactMetadata;
  import org.apache.maven.artifact.repository.ArtifactRepository;
  import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;
  import org.codehaus.plexus.util.FileUtils;
  
  /**
   * Attach a POM to an artifact.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  public class ProjectArtifactMetadata
      extends AbstractArtifactMetadata
  {
      private final File file;
  
      public ProjectArtifactMetadata( Artifact artifact )
      {
          this( artifact, null );
      }
  
      public ProjectArtifactMetadata( Artifact artifact, File file )
      {
          super( artifact );
          this.file = file;
      }
  
      public File getFile()
      {
          return file;
      }
  
      public String getRemoteFilename()
      {
          return getFilename();
      }
  
      public String getLocalFilename( ArtifactRepository repository )
      {
          return getFilename();
      }
  
      private String getFilename()
      {
          return getArtifactId() + "-" + artifact.getVersion() + ".pom";
      }
  
      public void storeInLocalRepository( ArtifactRepository localRepository, ArtifactRepository remoteRepository )
          throws RepositoryMetadataStoreException
      {
          File destination =
              new File( localRepository.getBasedir(), localRepository.pathOfLocalRepositoryMetadata( this,
                                                                                                     remoteRepository ) );
  
          // ----------------------------------------------------------------------------
          // I'm fully aware that the file could just be moved using File.rename but
          // there are bugs in various JVM that have problems doing this across
          // different filesystem. So we'll incur the small hit to actually copy
          // here and be safe. jvz.
          // ----------------------------------------------------------------------------
  
          try
          {
              FileUtils.copyFile( file, destination );
          }
          catch ( IOException e )
          {
              throw new RepositoryMetadataStoreException( "Error copying POM to the local repository.", e );
          }
      }
  
      public String toString()
      {
          return "project information for " + artifact.getArtifactId() + " " + artifact.getVersion();
     }
 
     public boolean storedInArtifactVersionDirectory()
     {
         return true;
     }
 
     public String getBaseVersion()
     {
         return artifact.getBaseVersion();
     }
 
     public Object getKey()
     {
         return "project " + artifact.getGroupId() + ":" + artifact.getArtifactId();
     }
 
     public void merge( ArtifactMetadata metadata )
     {
         ProjectArtifactMetadata m = (ProjectArtifactMetadata) metadata;
         if ( !m.file.equals( file ) )
         {
             throw new IllegalStateException( "Cannot add two different pieces of metadata for: " + getKey() );
         }
     }
 
     public void merge( org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata )
     {
         this.merge( (ArtifactMetadata) metadata );
     }
 }