package org.apache.maven.artifact.transform;

 /*

  * 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.repository.ArtifactRepository;

 import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;

 import org.apache.maven.artifact.repository.metadata.Versioning;

 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;

 import org.apache.maven.artifact.resolver.ArtifactResolutionException;

 import java.util.List;

 public class LatestArtifactTransformation

     extends AbstractVersionTransformation

 {

     public void transformForResolve( Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository )

         throws ArtifactResolutionException, ArtifactNotFoundException

     {

         if ( Artifact.LATEST_VERSION.equals( artifact.getVersion() ) )

         {

             try

             {

                 String version = resolveVersion( artifact, localRepository, remoteRepositories );

                 if ( Artifact.LATEST_VERSION.equals( version ) )

                 {

                     throw new ArtifactNotFoundException( "Unable to determine the latest version", artifact );

                 }

                 artifact.setBaseVersion( version );

                 artifact.updateVersion( version, localRepository );

             }

             catch ( RepositoryMetadataResolutionException e )

             {

                 throw new ArtifactResolutionException( e.getMessage(), artifact, e );

             }

         }

     }

     public void transformForInstall( Artifact artifact, ArtifactRepository localRepository )

     {

         // metadata is added via addPluginArtifactMetadata

     }

     public void transformForDeployment( Artifact artifact, ArtifactRepository remoteRepository,

                                         ArtifactRepository localRepository )

     {

         // metadata is added via addPluginArtifactMetadata

     }

     protected String constructVersion( Versioning versioning, String baseVersion )

     {

         return versioning.getLatest();

     }

 }