private void createMultiMovieFromDir(Path dataSource,Path movieDir){
  List<Path> allFiles=listFilesOnly(movieDir);
  createMultiMovieFromDir(dataSource,movieDir,allFiles);
}

private void createMultiMovieFromDir ( Path dataSource , Path movieDir ) { List < Path > allFiles = listFilesOnly ( movieDir ) ; createMultiMovieFromDir ( dataSource , movieDir , allFiles ) ; }
more than one movie in dir ? then use that !
