package org.apache.maven.plugins.assembly.archive.task;
   
   /*
    * 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.util.ArrayList;
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.List;
  
  import org.apache.maven.plugins.assembly.AssemblerConfigurationSource;
  import org.apache.maven.plugins.assembly.archive.ArchiveCreationException;
  import org.apache.maven.plugins.assembly.format.AssemblyFormattingException;
  import org.apache.maven.plugins.assembly.format.ReaderFormatter;
  import org.apache.maven.plugins.assembly.model.FileSet;
  import org.apache.maven.plugins.assembly.utils.AssemblyFileUtils;
  import org.apache.maven.plugins.assembly.utils.AssemblyFormatUtils;
  import org.apache.maven.plugins.assembly.utils.TypeConversionUtils;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.archiver.Archiver;
  import org.codehaus.plexus.components.io.functions.InputStreamTransformer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   *
   */
  public class AddFileSetsTask
  {
      private static final Logger LOGGER = LoggerFactory.getLogger( AddFileSetsTask.class );
  
      private final List<FileSet> fileSets;
  
      private MavenProject project;
  
      private MavenProject moduleProject;
  
      public AddFileSetsTask( final List<FileSet> fileSets )
      {
          this.fileSets = fileSets;
      }
  
      public AddFileSetsTask( final FileSet... fileSets )
      {
          this.fileSets = new ArrayList<>( Arrays.asList( fileSets ) );
      }
  
      public void execute( final Archiver archiver, final AssemblerConfigurationSource configSource )
          throws ArchiveCreationException, AssemblyFormattingException
      {
          // don't need this check here. it's more efficient here, but the logger is not actually
          // used until addFileSet(..)...and the check should be there in case someone extends the
          // class.
          // checkLogger();
  
          final File archiveBaseDir = configSource.getArchiveBaseDirectory();
  
          if ( archiveBaseDir != null )
          {
              if ( !archiveBaseDir.exists() )
              {
                  throw new ArchiveCreationException(
                      "The archive base directory '" + archiveBaseDir.getAbsolutePath() + "' does not exist" );
              }
              else if ( !archiveBaseDir.isDirectory() )
              {
                  throw new ArchiveCreationException( "The archive base directory '" + archiveBaseDir.getAbsolutePath()
                                                          + "' exists, but it is not a directory" );
              }
          }
  
          for ( final FileSet fileSet : fileSets )
          {
              addFileSet( fileSet, archiver, configSource, archiveBaseDir );
          }
      }
  
      void addFileSet( final FileSet fileSet, final Archiver archiver, final AssemblerConfigurationSource configSource,
                       final File archiveBaseDir )
          throws AssemblyFormattingException, ArchiveCreationException
      {
          if ( project == null )
         {
             project = configSource.getProject();
         }
 
         final File basedir = project.getBasedir();
 
         String destDirectory = fileSet.getOutputDirectory();
 
         if ( destDirectory == null )
         {
             destDirectory = fileSet.getDirectory();
 
             AssemblyFormatUtils.warnForPlatformSpecifics( LOGGER, destDirectory );
         }
 
 
         destDirectory =
             AssemblyFormatUtils.getOutputDirectory( destDirectory, configSource.getFinalName(), configSource,
                                                     AssemblyFormatUtils.moduleProjectInterpolator( moduleProject ),
                                                     AssemblyFormatUtils.artifactProjectInterpolator( project ) );
 
         if ( LOGGER.isDebugEnabled() )
         {
             LOGGER.debug( "FileSet[" + destDirectory + "]" + " dir perms: " + Integer.toString(
                 archiver.getOverrideDirectoryMode(), 8 ) + " file perms: " + Integer.toString(
                 archiver.getOverrideFileMode(), 8 ) + ( fileSet.getLineEnding() == null
                 ? ""
                 : " lineEndings: " + fileSet.getLineEnding() ) );
         }
 
         LOGGER.debug( "The archive base directory is '" + archiveBaseDir + "'" );
 
         File fileSetDir = getFileSetDirectory( fileSet, basedir, archiveBaseDir );
 
         if ( fileSetDir.exists() )
         {
             InputStreamTransformer fileSetTransformers =
                 ReaderFormatter.getFileSetTransformers( configSource, 
                                                         fileSet.isFiltered(),
                                                         new HashSet<>( fileSet.getNonFilteredFileExtensions() ),
                                                         fileSet.getLineEnding() );
             if ( fileSetTransformers == null )
             {
                 LOGGER.debug( "NOT reformatting any files in " + fileSetDir );
             }
 
             if ( fileSetDir.getPath().equals( File.separator ) )
             {
                 throw new AssemblyFormattingException(
                     "Your assembly descriptor specifies a directory of " + File.separator
                         + ", which is your *entire* file system.\nThese are not the files you are looking for" );
             }
             final AddDirectoryTask task = new AddDirectoryTask( fileSetDir, fileSetTransformers );
 
             final int dirMode = TypeConversionUtils.modeToInt( fileSet.getDirectoryMode(), LOGGER );
             if ( dirMode != -1 )
             {
                 task.setDirectoryMode( dirMode );
             }
 
             final int fileMode = TypeConversionUtils.modeToInt( fileSet.getFileMode(), LOGGER );
             if ( fileMode != -1 )
             {
                 task.setFileMode( fileMode );
             }
 
             task.setUseDefaultExcludes( fileSet.isUseDefaultExcludes() );
             task.setExcludes( fileSet.getExcludes() );
             task.setIncludes( fileSet.getIncludes() );
             task.setOutputDirectory( destDirectory );
 
             task.execute( archiver );
         }
     }
 
     File getFileSetDirectory( final FileSet fileSet, final File basedir, final File archiveBaseDir )
         throws ArchiveCreationException, AssemblyFormattingException
     {
         String sourceDirectory = fileSet.getDirectory();
 
         if ( sourceDirectory == null || sourceDirectory.trim().length() < 1 )
         {
             sourceDirectory = basedir.getAbsolutePath();
         }
 
         File fileSetDir;
 
         if ( archiveBaseDir == null )
         {
             fileSetDir = new File( sourceDirectory );
 
             // If the file is not absolute then it's a subpath of the current project basedir
             // For OS compatibility we also must treat any path starting with "/" as absolute
             // as File#isAbsolute() returns false for /absolutePath under Windows :(
             // Note that in Windows an absolute path with / will be on the 'current drive'.
             // But I think we can live with this.
             if ( ! AssemblyFileUtils.isAbsolutePath( fileSetDir ) )
             {
                 fileSetDir = new File( basedir, sourceDirectory );
             }
         }
         else
         {
             fileSetDir = new File( archiveBaseDir, sourceDirectory );
         }
 
         return fileSetDir;
     }
 
     public void setProject( final MavenProject project )
     {
         this.project = project;
     }
 
     public void setModuleProject( final MavenProject moduleProject )
     {
         this.moduleProject = moduleProject;
     }
 
 }