package org.apache.maven.plugin.dependency;

 /*

  * 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.net.MalformedURLException;

 import java.util.Iterator;

 import java.util.Set;

 import org.apache.maven.artifact.Artifact;

 import org.apache.maven.artifact.installer.ArtifactInstallationException;

 import org.apache.maven.artifact.installer.ArtifactInstaller;

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

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

 import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.dependency.utils.DependencyStatusSets;

 import org.apache.maven.plugin.dependency.utils.DependencyUtil;

 import org.apache.maven.plugin.dependency.utils.filters.DestFileFilter;

 import org.apache.maven.plugin.logging.Log;

 import org.apache.maven.shared.artifact.filter.collection.ArtifactsFilter;

 /**

  * Goal that copies the project dependencies from the repository to a defined

  * location.

  * 

  * @goal copy-dependencies

  * @requiresDependencyResolution test

  * @phase process-sources

  * @author <a href="mailto:brianf@apache.org">Brian Fox</a>

  * @version $Id: CopyDependenciesMojo.java 731252 2009-01-04 13:11:57Z bentmann $

  * @since 1.0

  */

 public class CopyDependenciesMojo

     extends AbstractFromDependenciesMojo

 {

     /**

      * @component

      */

     protected ArtifactInstaller installer;

     /**

      * @component

      */

     protected ArtifactRepositoryFactory repositoryFactory;

     /**

      * Main entry into mojo. Gets the list of dependencies and iterates through

      * calling copyArtifact.

      * 

      * @throws MojoExecutionException

      *             with a message if an error occurs.

      * 

      * @see #getDependencies

      * @see #copyArtifact(Artifact, boolean)

      */

     public void execute()

         throws MojoExecutionException

     {

         DependencyStatusSets dss = getDependencySets( this.failOnMissingClassifierArtifact );

         Set artifacts = dss.getResolvedDependencies();

             if ( !useRepositoryLayout )

             {

                 for ( Iterator i = artifacts.iterator(); i.hasNext(); )

                 {

                             copyArtifact( (Artifact) i.next(), this.stripVersion );

                     }

             }

             else

             {

                         try {

                                 ArtifactRepository targetRepository = repositoryFactory.createDeploymentArtifactRepository(

                                                 "local", 

                                                 outputDirectory.toURL().toExternalForm(), 

                                                 new DefaultRepositoryLayout(),

                                                 false /*uniqueVersion*/ );

                         for ( Iterator i = artifacts.iterator(); i.hasNext(); )

                         {

                                         installArtifact( (Artifact) i.next(), targetRepository );

                         }

                         } 

                         catch ( MalformedURLException e ) 

                         {

                                 throw new MojoExecutionException("Could not create outputDirectory repository", e);

                         }

         }

         artifacts = dss.getSkippedDependencies();

         for ( Iterator i = artifacts.iterator(); i.hasNext(); )

         {

             Artifact artifact = (Artifact) i.next();

             getLog().info( artifact.getFile().getName() + " already exists in destination." );

         }

     }

     private void installArtifact( Artifact artifact, ArtifactRepository targetRepository) 

     {

                 try

                 {

                         if ( "pom".equals( artifact.getType() ) ) 

                         {

                                 installer.install( artifact.getFile(), artifact, targetRepository );

                     installBaseSnapshot( artifact, targetRepository );

                         }

                         else

                         {

                     installer.install( artifact.getFile(), artifact, targetRepository );

                     installBaseSnapshot( artifact, targetRepository );

                     if ( isCopyPom() )

                     {

                             Artifact pomArtifact = getResolvedPomArtifact( artifact );

                             if ( pomArtifact.getFile() != null && pomArtifact.getFile().exists() )

                             {

                                     installer.install( pomArtifact.getFile(), pomArtifact, targetRepository );

                                     installBaseSnapshot( pomArtifact, targetRepository );

                             }

                     }

                         }

                 }

                 catch ( ArtifactInstallationException e ) 

                 {

                     getLog().info( e.getMessage() );

                 }

         }

         private void installBaseSnapshot( Artifact artifact, ArtifactRepository targetRepository )

                         throws ArtifactInstallationException 

         {

                 if ( artifact.isSnapshot() && !artifact.getBaseVersion().equals( artifact.getVersion() ) )

                 {

                         Artifact baseArtifact = this.factory.createArtifact( artifact.getGroupId(), artifact.getArtifactId(),

                             artifact.getBaseVersion(), artifact.getScope(), artifact.getType() );

                     installer.install( artifact.getFile(), baseArtifact, targetRepository );

                 }

         }

         /**

      * Copies the Artifact after building the destination file name if

      * overridden. This method also checks if the classifier is set and adds it

      * to the destination file name if needed.

      * 

      * @param artifact

      *            representing the object to be copied.

      * @param removeVersion

      *            specifies if the version should be removed from the file name

      *            when copying.

      * 

      * @throws MojoExecutionException

      *             with a message if an error occurs.

      * 

      * @see DependencyUtil#copyFile(File, File, Log)

      * @see DependencyUtil#getFormattedFileName(Artifact, boolean)

      */

     protected void copyArtifact( Artifact artifact, boolean removeVersion )

         throws MojoExecutionException

     {

         String destFileName = DependencyUtil.getFormattedFileName( artifact, removeVersion );

         File destDir;

         destDir = DependencyUtil.getFormattedOutputDirectory( useSubDirectoryPerType, useSubDirectoryPerArtifact,

                                                               useRepositoryLayout, stripVersion, outputDirectory,

                                                               artifact );

         File destFile = new File( destDir, destFileName );

         copyFile( artifact.getFile(), destFile );

         // Copy POM if asked

         if ( isCopyPom() )

         {

             // Create the pom

             Artifact pomArtifact = getResolvedPomArtifact( artifact );

             // Copy the pom

             if ( pomArtifact.getFile() != null && pomArtifact.getFile().exists() )

             {

                 File pomDestFile = new File( destDir, DependencyUtil.getFormattedFileName( pomArtifact, removeVersion ) );

                 copyFile( pomArtifact.getFile(), pomDestFile );

             }

         }

     }

         protected Artifact getResolvedPomArtifact( Artifact artifact ) {

                 Artifact pomArtifact = this.factory.createArtifact( artifact.getGroupId(), artifact.getArtifactId(),

                                                                     artifact.getVersion(), "", "pom" );

                 // Resolve the pom artifact using repos

                 try

                 {

                     this.resolver.resolve( pomArtifact, this.remoteRepos, this.local );

                 }

                 catch ( Exception e )

                 {

                     getLog().info( e.getMessage() );

                 }

                 return pomArtifact;

         }

     protected ArtifactsFilter getMarkedArtifactFilter()

     {

         return new DestFileFilter( this.overWriteReleases, this.overWriteSnapshots, this.overWriteIfNewer,

                                    this.useSubDirectoryPerArtifact, this.useSubDirectoryPerType,

                                    this.useRepositoryLayout, this.stripVersion, this.outputDirectory );

     }

 }