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 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.ArtifactRepositoryLayout;

 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.plugins.annotations.Component;

 import org.apache.maven.plugins.annotations.LifecyclePhase;

 import org.apache.maven.plugins.annotations.Mojo;

 import org.apache.maven.plugins.annotations.Parameter;

 import org.apache.maven.plugins.annotations.ResolutionScope;

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

 import java.io.File;

 import java.net.MalformedURLException;

 import java.util.Map;

 import java.util.Set;

 /**

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

  * location.

  *

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

  * @version $Id: CopyDependenciesMojo.java 1401090 2012-10-22 21:42:42Z rfscholte $

  * @since 1.0

  */

 @Mojo( name = "copy-dependencies", requiresDependencyResolution = ResolutionScope.TEST,

        defaultPhase = LifecyclePhase.PROCESS_SOURCES, threadSafe = true )

 public class CopyDependenciesMojo

     extends AbstractFromDependenciesMojo

 {

     /**

      * Skip the execution

      *

      * @since 2.6

      */

     @Parameter( property = "mdep.skip", defaultValue = "false" )

     private boolean skip;

     /**

      *

      */

     @Component

     protected ArtifactInstaller installer;

     /**

      *

      */

     @Component

     protected ArtifactRepositoryFactory repositoryFactory;

     /**

      *

      */

     @Component( role = ArtifactRepositoryLayout.class )

     private Map<String, ArtifactRepositoryLayout> repositoryLayouts;

     /**

      * Either append the artifact's baseVersion or uniqueVersion to the filename.

      * Will only be used if {@link #isStripVersion()} is {@code false}.

      * @since 2.6

      */

     @Parameter( property = "mdep.useBaseVersion", defaultValue = "true" )

     protected boolean useBaseVersion = true;

     /**

      * 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

     {

         if ( skip )

         {

             return;

         }

         DependencyStatusSets dss = getDependencySets( this.failOnMissingClassifierArtifact );

         Set<Artifact> artifacts = dss.getResolvedDependencies();

         if ( !useRepositoryLayout )

         {

             for ( Artifact artifact : artifacts )

             {

                 copyArtifact( artifact, isStripVersion(), this.prependGroupId, this.useBaseVersion );

             }

         }

         else

         {

             try

             {

                 ArtifactRepository targetRepository =

                     repositoryFactory.createDeploymentArtifactRepository( "local",

                                                                           outputDirectory.toURL().toExternalForm(),

                                                                           repositoryLayouts.get( "default" ),

                                                                           false /* uniqueVersion */);

                 for ( Artifact artifact : artifacts )

                 {

                     installArtifact( artifact, targetRepository );

                 }

             }

             catch ( MalformedURLException e )

             {

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

             }

         }

         Set<Artifact> skippedArtifacts = dss.getSkippedDependencies();

         for ( Artifact artifact : skippedArtifacts )

         {

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

         }

         if ( isCopyPom() )

         {

             copyPoms( getOutputDirectory(), artifacts, this.stripVersion );

             copyPoms( getOutputDirectory(), skippedArtifacts,

                       this.stripVersion );  // Artifacts that already exist may not already have poms.

         }

     }

     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.

      * @param prependGroupId specifies if the groupId should be prepend to the file while copying.

      * @param useBaseVersion specifies if the baseVersion of the artifact should be used instead of the version.

      * @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, boolean prependGroupId, 

                     boolean useBaseVersion ) throws MojoExecutionException

     {

         String destFileName = DependencyUtil.getFormattedFileName( artifact, removeVersion, prependGroupId, 

                         useBaseVersion );

         File destDir;

         destDir = DependencyUtil.getFormattedOutputDirectory( useSubDirectoryPerScope, useSubDirectoryPerType,

                                                               useSubDirectoryPerArtifact, useRepositoryLayout,

                                                               stripVersion, outputDirectory, artifact );

         File destFile = new File( destDir, destFileName );

         copyFile( artifact.getFile(), destFile );

     }

     /**

      * Copy the pom files associated with the artifacts.

      */

     public void copyPoms( File destDir, Set<Artifact> artifacts, boolean removeVersion )

         throws MojoExecutionException

     {

         for ( Artifact artifact : artifacts )

         {

             Artifact pomArtifact = getResolvedPomArtifact( artifact );

             // Copy the pom

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

             {

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

                                                                                            prependGroupId, useBaseVersion ) );

                 if ( !pomDestFile.exists() )

                 {

                     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.getLocal() );

         }

         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.useSubDirectoryPerScope, this.useRepositoryLayout, this.stripVersion,

                                    this.outputDirectory );

     }

 }