private File[] filterFiles(final File[] toFilter,final String fileName){
  if (fileName != null && toFilter != null) {
    final File fileAsFilter=new File(fileName);
    for (    File file : toFilter) {
      if (file.compareTo(fileAsFilter) == 0) {
        return new File[]{fileAsFilter};
      }
    }
    return new File[0];
  }
  return toFilter;
}

private File [ ] filterFiles ( final File [ ] toFilter , final String fileName ) { if ( fileName != null && toFilter != null ) { final File fileAsFilter = new File ( fileName ) ; for ( File file : toFilter ) { if ( file . compareTo ( fileAsFilter ) == 0 ) { return new File [ ] { fileAsFilter } ; } } return new File [ 0 ] ; } return toFilter ; }
limit list of possible file to import .
