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>

  * @version $Id: ProjectArtifactMetadata.java 534671 2007-05-03 01:04:15Z brianf $

  */

 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 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() );

         }

     }

 }