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.lang.reflect.Field;
  import java.util.List;
  
  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.ArtifactCollector;
  import org.apache.maven.artifact.resolver.ArtifactResolver;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.dependency.utils.DependencySilentLog;
  import org.apache.maven.plugin.logging.Log;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.archiver.ArchiverException;
  import org.codehaus.plexus.archiver.UnArchiver;
  import org.codehaus.plexus.archiver.manager.ArchiverManager;
  import org.codehaus.plexus.archiver.manager.NoSuchArchiverException;
  import org.codehaus.plexus.components.io.fileselectors.IncludeExcludeFileSelector;
  import org.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.ReflectionUtils;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   * @version $Id: AbstractDependencyMojo.java 552528
   *          2007-07-02 16:12:47Z markh $
   */
  public abstract class AbstractDependencyMojo
      extends AbstractMojo
  {
      /**
       * Used to look up Artifacts in the remote repository.
       *
       * @component
       */
      protected ArtifactFactory factory;
  
      /**
       * Used to look up Artifacts in the remote repository.
       *
       * @component
       */
      protected ArtifactResolver resolver;
  
      /**
       * Artifact collector, needed to resolve dependencies.
       *
       * @component role="org.apache.maven.artifact.resolver.ArtifactCollector"
       * @required
       * @readonly
       */
      protected ArtifactCollector artifactCollector;
  
      /**
       * @component role="org.apache.maven.artifact.metadata.ArtifactMetadataSource"
       *            hint="maven"
       * @required
       * @readonly
       */
      protected ArtifactMetadataSource artifactMetadataSource;
  
      /**
       * Location of the local repository.
       *
       * @parameter expression="${localRepository}"
       * @readonly
       * @required
       */
      private ArtifactRepository local;
  
      /**
       * List of Remote Repositories used by the resolver
       *
       * @parameter expression="${project.remoteArtifactRepositories}"
       * @readonly
       * @required
       */
     protected List<ArtifactRepository> remoteRepos;
 
     /**
      * To look up Archiver/UnArchiver implementations
      *
      * @component
      */
     protected ArchiverManager archiverManager;
 
     /**
      * POM
      *
      * @parameter expression="${project}"
      * @readonly
      * @required
      */
     protected MavenProject project;
 
     /**
      * Contains the full list of projects in the reactor.
      *
      * @parameter expression="${reactorProjects}"
      * @required
      * @readonly
      */
     protected List<MavenProject> reactorProjects;
 
     /**
      * If the plugin should be silent.
      *
      * @optional
      * @since 2.0
      * @parameter expression="${silent}"
      *            default-value="false"
      */
     public boolean silent;
 
     /**
      * Output absolute filename for resolved artifacts
      *
      * @optional
      * @since 2.0
      * @parameter expression="${outputAbsoluteArtifactFilename}"
      *            default-value="false"
      */
     protected boolean outputAbsoluteArtifactFilename;
 
     private Log log;
 
     /**
      * @return Returns the log.
      */
     public Log getLog()
     {
         if ( silent )
         {
             log = new DependencySilentLog();
         }
         else
         {
             log = super.getLog();
         }
 
         return this.log;
     }
 
     /**
      * @return Returns the archiverManager.
      */
     public ArchiverManager getArchiverManager()
     {
         return this.archiverManager;
     }
 
     /**
      * Does the actual copy of the file and logging.
      *
      * @param artifact represents the file to copy.
      * @param destFile file name of destination file.
      *
      * @throws MojoExecutionException with a message if an
      *             error occurs.
      */
     protected void copyFile( File artifact, File destFile )
         throws MojoExecutionException
     {
         Log theLog = this.getLog();
         try
         {
             theLog.info( "Copying "
                 + ( this.outputAbsoluteArtifactFilename ? artifact.getAbsolutePath() : artifact.getName() ) + " to "
                 + destFile );
             FileUtils.copyFile( artifact, destFile );
 
         }
         catch ( Exception e )
         {
             throw new MojoExecutionException( "Error copying artifact from " + artifact + " to " + destFile, e );
         }
     }
 
     protected void unpack( File file, File location )
         throws MojoExecutionException
     {
         unpack( file, location, null, null );
     }
 
     /**
      * Unpacks the archive file.
      *
      * @param file File to be unpacked.
      * @param location Location where to put the unpacked files.
      * @param includes Comma separated list of file patterns to include i.e. <code>**&#47;.xml,
      *            **&#47;*.properties</code>
      * @param excludes Comma separated list of file patterns to exclude i.e. <code>**&#47;*.xml,
      *            **&#47;*.properties</code>
      */
     protected void unpack( File file, File location, String includes, String excludes )
         throws MojoExecutionException
     {
         try
         {
             logUnpack( file, location, includes, excludes );
 
             location.mkdirs();
 
             UnArchiver unArchiver;
 
             unArchiver = archiverManager.getUnArchiver( file );
 
             unArchiver.setSourceFile( file );
 
             unArchiver.setDestDirectory( location );
 
             if ( StringUtils.isNotEmpty( excludes ) || StringUtils.isNotEmpty( includes ) )
             {
                 // Create the selectors that will filter
                 // based on include/exclude parameters
                 // MDEP-47
                 IncludeExcludeFileSelector[] selectors = new IncludeExcludeFileSelector[] { new IncludeExcludeFileSelector() };
 
                 if ( StringUtils.isNotEmpty( excludes ) )
                 {
                     selectors[0].setExcludes( excludes.split( "," ) );
                 }
 
                 if ( StringUtils.isNotEmpty( includes ) )
                 {
                     selectors[0].setIncludes( includes.split( "," ) );
                 }
 
                 unArchiver.setFileSelectors( selectors );
             }
             if ( this.silent )
             {
                 silenceUnarchiver( unArchiver );
             }
 
             unArchiver.extract();
         }
         catch ( NoSuchArchiverException e )
         {
             throw new MojoExecutionException( "Unknown archiver type", e );
         }
         catch ( ArchiverException e )
         {
             e.printStackTrace();
             throw new MojoExecutionException( "Error unpacking file: " + file + " to: " + location + "\r\n"
                 + e.toString(), e );
         }
     }
 
     private void silenceUnarchiver( UnArchiver unArchiver )
     {
         // dangerous but handle any errors. It's the only way to silence the unArchiver.
         try
         {
             Field field = ReflectionUtils.getFieldByNameIncludingSuperclasses( "logger", unArchiver.getClass() );
 
             field.setAccessible( true );
 
             field.set( unArchiver, this.getLog() );
         }
         catch ( Exception e )
         {
             // was a nice try. Don't bother logging because the log is silent.
         }
     }
 
     /**
      * @return Returns the factory.
      */
     public ArtifactFactory getFactory()
     {
         return this.factory;
     }
 
     /**
      * @param factory The factory to set.
      */
     public void setFactory( ArtifactFactory factory )
     {
         this.factory = factory;
     }
 
     /**
      * @return Returns the project.
      */
     public MavenProject getProject()
     {
         return this.project;
     }
 
     /**
      * @return Returns the local.
      */
     protected ArtifactRepository getLocal()
     {
         return this.local;
     }
 
     /**
      * @param local The local to set.
      */
     public void setLocal( ArtifactRepository local )
     {
         this.local = local;
     }
 
     /**
      * @return Returns the remoteRepos.
      */
     public List<ArtifactRepository> getRemoteRepos()
     {
         return this.remoteRepos;
     }
 
     /**
      * @param remoteRepos The remoteRepos to set.
      */
     public void setRemoteRepos( List<ArtifactRepository> remoteRepos )
     {
         this.remoteRepos = remoteRepos;
     }
 
     /**
      * @return Returns the resolver.
      */
     public org.apache.maven.artifact.resolver.ArtifactResolver getResolver()
     {
         return this.resolver;
     }
 
     /**
      * @param resolver The resolver to set.
      */
     public void setResolver( ArtifactResolver resolver )
     {
         this.resolver = resolver;
     }
 
     /**
      * @param archiverManager The archiverManager to set.
      */
     public void setArchiverManager( ArchiverManager archiverManager )
     {
         this.archiverManager = archiverManager;
     }
 
     /**
      * @return Returns the artifactCollector.
      */
     public ArtifactCollector getArtifactCollector()
     {
         return this.artifactCollector;
     }
 
     /**
      * @param theArtifactCollector The artifactCollector to set.
      */
     public void setArtifactCollector( ArtifactCollector theArtifactCollector )
     {
         this.artifactCollector = theArtifactCollector;
     }
 
     /**
      * @return Returns the artifactMetadataSource.
      */
     public ArtifactMetadataSource getArtifactMetadataSource()
     {
         return this.artifactMetadataSource;
     }
 
     /**
      * @param theArtifactMetadataSource The artifactMetadataSource to set.
      */
     public void setArtifactMetadataSource( ArtifactMetadataSource theArtifactMetadataSource )
     {
         this.artifactMetadataSource = theArtifactMetadataSource;
     }
 
     private void logUnpack( File file, File location, String includes, String excludes )
     {
         if ( !getLog().isInfoEnabled() )
         {
             return;
         }
 
         StringBuffer msg = new StringBuffer();
         msg.append( "Unpacking " );
         msg.append( file );
         msg.append( " to " );
         msg.append( location );
 
         if ( includes != null && excludes != null )
         {
             msg.append( " with includes \"" );
             msg.append( includes );
             msg.append( "\" and excludes \"" );
             msg.append( excludes );
             msg.append( "\"" );
         }
         else if ( includes != null )
         {
             msg.append( " with includes \"" );
             msg.append( includes );
             msg.append( "\"" );
         }
         else if ( excludes != null )
         {
             msg.append( " with excludes \"" );
             msg.append( excludes );
             msg.append( "\"" );
         }
 
         getLog().info( msg.toString() );
     }
 }