@SuppressWarnings("unchecked")
  private void write(
      BaseRoute route,
      NavigationFormat format,
      boolean duplicateFirstPosition,
      boolean ignoreMaximumPositionCount,
      ParserCallback parserCallback,
      OutputStream... targets)
      throws IOException {
    log.info(
        "Writing '"
            + format.getName()
            + "' position lists with 1 route and "
            + route.getPositionCount()
            + " positions");

    BaseRoute routeToWrite = asFormat(route, format);
    commentRoute(routeToWrite);
    preprocessRoute(routeToWrite, format, duplicateFirstPosition, parserCallback);

    int positionsToWrite = routeToWrite.getPositionCount();
    int writeInOneChunk = format.getMaximumPositionCount();

    // check if the positions to write fit within the given files
    if (positionsToWrite > targets.length * writeInOneChunk) {
      if (ignoreMaximumPositionCount) writeInOneChunk = positionsToWrite;
      else
        throw new IOException(
            "Found "
                + positionsToWrite
                + " positions, "
                + format.getName()
                + " format may only contain "
                + writeInOneChunk
                + " positions in one position list.");
    }

    int startIndex = 0;
    for (int i = 0; i < targets.length; i++) {
      OutputStream target = targets[i];
      int endIndex = min(startIndex + writeInOneChunk, positionsToWrite);
      renameRoute(route, routeToWrite, startIndex, endIndex, i, targets);
      format.write(routeToWrite, target, startIndex, endIndex);
      log.info("Wrote position list from " + startIndex + " to " + endIndex);
      startIndex += writeInOneChunk;
    }

    postProcessRoute(routeToWrite, format, duplicateFirstPosition);
  }
 @SuppressWarnings("unchecked")
 private ParserResult createResult(ParserContext<BaseRoute> context) throws IOException {
   List<BaseRoute> source = context.getRoutes();
   // if (source != null && source.size() > 0) {
   if (source != null && context.getFormats().size() > 0) {
     NavigationFormat format = determineFormat(source, context.getFormats().get(0));
     List<BaseRoute> destination = convertRoute(source, format);
     log.info(
         "Detected '"
             + format.getName()
             + "' with "
             + destination.size()
             + " route(s) and "
             + getPositionCounts(destination)
             + " positions");
     if (destination.size() == 0)
       destination.add(format.createRoute(RouteCharacteristics.Route, null, new ArrayList<>()));
     commentRoutes(destination);
     return new ParserResult(new FormatAndRoutes(format, destination));
   } else return new ParserResult(null);
 }
 private void logFormatNames(List<NavigationFormat> formats) {
   log.info("Supported formats:");
   for (NavigationFormat format : formats)
     log.info(format.getClass().getSimpleName() + " for " + format.getName());
 }