package org.apache.maven.shared.downloader;

 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 java.io.File;

 import java.util.List;

 /**

  * @author Jason van Zyl

  * @plexus.component

  */

 public class DefaultDownloader

     implements Downloader

 {

     /**

      * @plexus.requirement

      */

     private ArtifactResolver artifactResolver;

     /**

      * @plexus.requirement

      */

     private ArtifactFactory artifactFactory;

     public File download( String groupId,

                           String artifactId,

                           String version,

                           File localRepository,

                           String[] remoteRepositories )

         throws DownloadException, DownloadNotFoundException

     {

         return download( groupId, artifactId, version, localRepository, remoteRepositories );

     }

     public File download( String groupId,

                           String artifactId,

                           String version,

                           ArtifactRepository localRepository,

                           List 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.", e );

         }

         catch ( ArtifactNotFoundException e )

         {

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

         }

         return artifact.getFile();

     }

 }