package org.apache.maven.archetype.downloader;

 /*

  * 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.factory.ArtifactFactory;

 import org.apache.maven.artifact.repository.ArtifactRepository;

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

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

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

 import org.codehaus.plexus.component.annotations.Component;

 import org.codehaus.plexus.component.annotations.Requirement;

 import java.io.File;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * @author Jason van Zyl

  */

 @Component( role = Downloader.class )

 public class DefaultDownloader

     implements Downloader

 {

     @Requirement

     private ArtifactResolver artifactResolver;

     @Requirement

     private ArtifactFactory artifactFactory;

     public File download( String groupId, String artifactId, String version, ArtifactRepository archetypeRepository,

                           ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories )

         throws DownloadException, DownloadNotFoundException

    {

         Artifact artifact =

             artifactFactory.createArtifact( groupId, artifactId, version, Artifact.SCOPE_RUNTIME, "jar" );

         Artifact artifactPom =

             artifactFactory.createArtifact( groupId, artifactId, version, Artifact.SCOPE_RUNTIME, "pom" );

         List<ArtifactRepository> repositories = new ArrayList<ArtifactRepository>( remoteRepositories );

         if ( repositories.isEmpty() && archetypeRepository != null )

         {

             repositories.add( archetypeRepository );

         }

         else if ( repositories.isEmpty() && localRepository != null )

         {

             repositories.add( localRepository );

         }

         ArtifactRepository localRepo = localRepository;

         try

         {

             artifactResolver.resolve( artifact, repositories, localRepo );

         }

         catch ( ArtifactResolutionException e )

         {

             throw new DownloadException( "Error downloading " + artifact.getId() + ".", e );

         }

         catch ( ArtifactNotFoundException e )

         {

             throw new DownloadNotFoundException( "Requested " + artifact.getId() + " download does not exist.", e );

         }

         try

         {

             artifactResolver.resolve( artifactPom, repositories, localRepo );

         }

         catch ( ArtifactResolutionException e )

         {

             throw new DownloadException( "Error downloading POM for " + artifact.getId() + ".", e );

         }

         catch ( ArtifactNotFoundException e )

         {

             throw new DownloadNotFoundException( "Requested " + artifact.getId() + " download's POM does not exist.", e );

         }

         return artifact.getFile();

     }

     public File downloadOld( String groupId, String artifactId, String version, ArtifactRepository archetypeRepository,

                              ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories )

         throws DownloadException, DownloadNotFoundException

     {

         Artifact artifact =

             artifactFactory.createArtifact( groupId, artifactId, version, Artifact.SCOPE_RUNTIME, "jar" );

         try

         {

             artifactResolver.resolve( artifact, remoteRepositories, localRepository );

         }

         catch ( ArtifactResolutionException e )

         {

             throw new DownloadException( "Error downloading " + artifact.getId() + ".", e );

         }

         catch ( ArtifactNotFoundException e )

         {

             throw new DownloadNotFoundException( "Requested " + artifact.getId() + " download does not exist.", e );

         }

         return artifact.getFile();

     }

 }