package org.apache.maven.artifact.ant;

 /*

  * 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.metadata.ArtifactMetadataSource;

 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.ArtifactResolutionResult;

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

 import org.apache.maven.artifact.resolver.filter.AndArtifactFilter;

 import org.apache.maven.artifact.resolver.filter.ArtifactFilter;

 import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;

 import org.apache.maven.model.Dependency;

 import org.apache.maven.project.artifact.InvalidDependencyVersionException;

 import org.apache.maven.project.artifact.MavenMetadataSource;

 import org.apache.tools.ant.BuildException;

 import org.apache.tools.ant.Project;

 import org.apache.tools.ant.types.FileList;

 import org.apache.tools.ant.types.FileSet;

 import org.apache.tools.ant.types.Path;

 import org.codehaus.plexus.util.StringUtils;

 import java.io.File;

 import java.io.IOException;

 import java.io.InputStream;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import java.util.Properties;

 import java.util.Set;

 /**

  * Dependencies task, using maven-artifact.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @author <a href="mailto:hboutemy@apache.org">Herve Boutemy</a>

  * @version $Id: DependenciesTask.java 775222 2009-05-15 16:37:22Z pgier $

  */

 public class DependenciesTask

     extends AbstractArtifactWithRepositoryTask

 {

     private List dependencies = new ArrayList();

     private String pathId;

     private String filesetId;

     private String sourcesFilesetId;

     private String javadocFilesetId;

     private String versionsId;

     private String useScope;

     private String scopes;

     private String type;

     private boolean verbose;

     private boolean addArtifactFileSetRefs;

     protected void doExecute()

     {

         showVersion();

         if ( useScope != null && scopes != null )

         {

             throw new BuildException( "You cannot specify both useScope and scopes in the dependencies task." );

         }

         ArtifactRepository localRepo = createLocalArtifactRepository();

         log( "Using local repository: " + localRepo.getBasedir(), Project.MSG_VERBOSE );

         ArtifactResolver resolver = (ArtifactResolver) lookup( ArtifactResolver.ROLE );

         ArtifactFactory artifactFactory = (ArtifactFactory) lookup( ArtifactFactory.ROLE );

         MavenMetadataSource metadataSource = (MavenMetadataSource) lookup( ArtifactMetadataSource.ROLE );

         List dependencies = this.dependencies;

         Pom pom = buildPom( localRepo );

         if ( pom != null )

         {

             if ( !dependencies.isEmpty() )

             {

                 throw new BuildException( "You cannot specify both dependencies and a pom in the dependencies task" );

             }

             dependencies = pom.getDependencies();

         }

         else

         {

             // we have to have some sort of Pom object in order to satisfy the requirements for building the

             // originating Artifact below...

             pom = createDummyPom( localRepo );

         }

         if ( dependencies.isEmpty() )

         {

             log( "There were no dependencies specified", Project.MSG_WARN );

         }

         log( "Resolving dependencies...", Project.MSG_VERBOSE );

         ArtifactResolutionResult result;

         Set artifacts;

         List remoteArtifactRepositories = createRemoteArtifactRepositories( pom.getRepositories() );

         try

         {

             artifacts = MavenMetadataSource.createArtifacts( artifactFactory, dependencies, null, null, null );

             Artifact pomArtifact = artifactFactory.createBuildArtifact( pom.getGroupId(), pom.getArtifactId(), pom

                 .getVersion(), pom.getPackaging() );

             List listeners = Collections.singletonList( new AntResolutionListener( getProject(), verbose ) );

             Map managedDependencies = pom.getMavenProject().getManagedVersionMap();

             ArtifactFilter filter = null;

             if ( useScope != null )

             {

                 filter = new ScopeArtifactFilter( useScope );

             }

             if ( scopes != null )

             {

                 filter = new SpecificScopesArtifactFilter( scopes );

             }

             if ( type != null )

             {

                 ArtifactFilter typeArtifactFilter = new TypesArtifactFilter( type );

                 if ( filter != null )

                 {

                     AndArtifactFilter andFilter = new AndArtifactFilter();

                     andFilter.add( filter );

                     andFilter.add( typeArtifactFilter );

                     filter = andFilter;

                 }

                 else

                 {

                     filter = typeArtifactFilter;

                 }

             }

             result = resolver.resolveTransitively( artifacts, pomArtifact, managedDependencies, localRepo,

                                                    remoteArtifactRepositories, metadataSource, filter, listeners );

         }

         catch ( ArtifactResolutionException e )

         {

             throw new BuildException( "Unable to resolve artifact: " + e.getMessage(), e );

         }

         catch ( ArtifactNotFoundException e )

         {

             throw new BuildException( "Dependency not found: " + e.getMessage(), e );

         }

         catch ( InvalidDependencyVersionException e )

         {

             throw new BuildException( e.getMessage(), e );

         }

         FileList fileList = new FileList();

         fileList.setDir( getLocalRepository().getPath() );

         FileSet fileSet = new FileSet();

         fileSet.setProject( getProject() );

         fileSet.setDir( fileList.getDir( getProject() ) );

         FileSet sourcesFileSet = new FileSet();

         sourcesFileSet.setDir( getLocalRepository().getPath() );

         FileSet javadocsFileSet = new FileSet();

         javadocsFileSet.setDir( getLocalRepository().getPath() );

         Set versions = new HashSet();

         for ( Iterator i = result.getArtifacts().iterator(); i.hasNext(); )

         {

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

             addArtifactToResult( localRepo, artifact, fileSet, fileList );

             versions.add( artifact.getVersion() );

             if ( sourcesFilesetId != null )

             {

                 resolveSource( artifactFactory, resolver, remoteArtifactRepositories, localRepo,

                                artifact, "sources", sourcesFileSet );

             }

             if ( javadocFilesetId != null )

             {

                 resolveSource( artifactFactory, resolver, remoteArtifactRepositories, localRepo,

                                artifact, "javadoc", javadocsFileSet );

             }

         }

         if ( pathId != null )

         {

             Path path = new Path( getProject() );

             if ( versions.size() > 0 )

             {

                 path.addFilelist( fileList );

             }

             getProject().addReference( pathId, path );

         }

         defineFilesetReference( filesetId, fileSet );

         defineFilesetReference( sourcesFilesetId, sourcesFileSet );

         defineFilesetReference( javadocFilesetId, javadocsFileSet );

         if ( versionsId != null )

         {

             String versionsValue = StringUtils.join( versions.iterator(), File.pathSeparator );

             getProject().setNewProperty( versionsId, versionsValue );

         }

     }

     private void defineFilesetReference( String id, FileSet fileSet )

     {

         if ( id != null )

         {

             if ( !fileSet.hasPatterns() )

             {

                 fileSet.createExclude().setName( "**/**" );

             }

             getProject().addReference( id, fileSet );

         }

     }

     private void addArtifactToResult( ArtifactRepository localRepo, Artifact artifact, FileSet toFileSet )

     {

         addArtifactToResult( localRepo, artifact, toFileSet, null );

     }

     private void addArtifactToResult( ArtifactRepository localRepo, Artifact artifact, FileSet toFileSet,

                                       FileList toFileList )

     {

         String filename = localRepo.pathOf( artifact );

         toFileSet.createInclude().setName( filename );

         if ( toFileList != null )

         {

             FileList.FileName file = new FileList.FileName();

             file.setName( filename );

             toFileList.addConfiguredFile( file );

         }

         getProject().setProperty( artifact.getDependencyConflictId(), artifact.getFile().getAbsolutePath() );

         if ( isAddArtifactFileSetRefs() )

         {

             FileSet artifactFileSet = new FileSet();

             artifactFileSet.setFile( artifact.getFile() );

             getProject().addReference( artifact.getDependencyConflictId(), artifactFileSet );

         }

     }

     private void resolveSource( ArtifactFactory artifactFactory, ArtifactResolver resolver,

                                 List remoteArtifactRepositories, ArtifactRepository localRepo,

                                 Artifact artifact, String classifier, FileSet sourcesFileSet )

     {

         Artifact sourceArtifact =

             artifactFactory.createArtifactWithClassifier( artifact.getGroupId(), artifact.getArtifactId(),

                                                           artifact.getVersion(), "java-source", classifier );

         try

         {

             resolver.resolve( sourceArtifact, remoteArtifactRepositories, localRepo );

             addArtifactToResult( localRepo, sourceArtifact, sourcesFileSet );

         }

         catch ( ArtifactResolutionException e )

         {

             throw new BuildException( "Unable to resolve artifact: " + e.getMessage(), e );

         }

         catch ( ArtifactNotFoundException e )

         {

             // no source available: no problem, it's optional

         }

     }

     public List getDependencies()

     {

         return dependencies;

     }

     public void addDependency( Dependency dependency )

     {

         dependencies.add( dependency );

     }

     public String getPathId()

     {

         return pathId;

     }

     public void setPathId( String pathId )

     {

         this.pathId = pathId;

     }

     public String getFilesetId()

     {

         return filesetId;

     }

     public void setSourcesFilesetId( String filesetId )

     {

         this.sourcesFilesetId = filesetId;

     }

     public String getSourcesFilesetId()

     {

         return sourcesFilesetId;

     }

     public void setJavadocFilesetId( String filesetId )

     {

         this.javadocFilesetId = filesetId;

     }

     public String getJavadocFilesetId()

     {

         return javadocFilesetId;

     }

     public void setFilesetId( String filesetId )

     {

         this.filesetId = filesetId;

     }

     public String getVersionsId()

     {

         return versionsId;

     }

     public void setVersionsId( String versionsId )

     {

         this.versionsId = versionsId;

     }

     public void setVerbose( boolean verbose )

     {

         this.verbose = verbose;

     }

     public void setUseScope( String useScope )

     {

         this.useScope = useScope;

     }

     public void setType( String type )

     {

         this.type = type;

     }

     public String getScopes()

     {

         return scopes;

     }

     public void setScopes( String scopes )

     {

         this.scopes = scopes;

     }

     private void showVersion()

     {

         InputStream resourceAsStream;

         try

         {

             Properties properties = new Properties();

             resourceAsStream = DependenciesTask.class.getClassLoader().getResourceAsStream(

                 "META-INF/maven/org.apache.maven/maven-ant-tasks/pom.properties" );

             if ( resourceAsStream != null )

             {

                 properties.load( resourceAsStream );

             }

             String version = properties.getProperty( "version", "unknown" );

             String builtOn = properties.getProperty( "builtOn" );

             if ( builtOn != null )

             {

                 log( "Maven Ant Tasks version: " + version + " built on " + builtOn, Project.MSG_VERBOSE );

             }

             else

             {

                 log( "Maven Ant Tasks version: " + version, Project.MSG_VERBOSE );

             }

         }

         catch ( IOException e )

         {

             log( "Unable to determine version from Maven Ant Tasks JAR file: " + e.getMessage(), Project.MSG_WARN );

         }

     }

     public boolean isAddArtifactFileSetRefs()

     {

         return addArtifactFileSetRefs;

     }

     public void setAddArtifactFileSetRefs( boolean addArtifactFileSetRefs )

     {

         this.addArtifactFileSetRefs = addArtifactFileSetRefs;

     }

 }