private BaseNavigationFormat findFormat(String formatName) {
   List<NavigationFormat> formats = NavigationFormats.getWriteFormats();
   for (NavigationFormat format : formats)
     if (formatName.equals(format.getClass().getSimpleName()))
       return (BaseNavigationFormat) format;
   return null;
 }
  private void convert(File source, NavigationFormat format, File target) throws IOException {
    NavigationFileParser parser = new NavigationFileParser();
    if (!parser.read(source)) {
      log.severe("Could not read source '" + source.getAbsolutePath() + "'");
      logFormatNames(NavigationFormats.getReadFormatsSortedByName());
      System.exit(20);
    }

    if (format.isSupportsMultipleRoutes()) {
      parser.write(parser.getAllRoutes(), (MultipleRoutesFormat) format, target);
    } else {
      int fileCount =
          NavigationFileParser.getNumberOfFilesToWriteFor(parser.getTheRoute(), format, false);
      File[] targets =
          Files.createTargetFiles(
              target, fileCount, format.getExtension(), format.getMaximumFileNameLength());
      for (File t : targets) {
        if (t.exists()) {
          log.severe("Target '" + t.getAbsolutePath() + "' already exists; stopping.");
          System.exit(13);
        }
      }
      parser.write(parser.getTheRoute(), format, false, false, targets);
    }
  }
 private void logFormatNames(List<NavigationFormat> formats) {
   log.info("Supported formats:");
   for (NavigationFormat format : formats)
     log.info(format.getClass().getSimpleName() + " for " + format.getName());
 }