private PlacemarkType createTrack(KmlRoute route, int startIndex, int endIndex) {
   ObjectFactory objectFactory = new ObjectFactory();
   PlacemarkType placemarkType = objectFactory.createPlacemarkType();
   placemarkType.setName(TRACK);
   placemarkType.setDescription(asDescription(route.getDescription()));
   placemarkType.setStyleUrl("#" + TRACK_LINE_STYLE);
   // create gx:Track if there are at least two positions with a time stamp
   if (containTime(route)) {
     slash.navigation.kml.binding22gx.ObjectFactory gxObjectFactory =
         new slash.navigation.kml.binding22gx.ObjectFactory();
     TrackType trackType = gxObjectFactory.createTrackType();
     List<KmlPosition> positions = route.getPositions();
     for (int i = startIndex; i < endIndex; i++) {
       KmlPosition position = positions.get(i);
       String time = position.hasTime() ? formatDate(position.getTime()) : "";
       trackType.getWhen().add(time);
     }
     for (int i = startIndex; i < endIndex; i++) {
       KmlPosition position = positions.get(i);
       trackType.getCoord().add(createCoordinates(position, true));
     }
     placemarkType.setAbstractGeometryGroup(gxObjectFactory.createTrack(trackType));
   } else {
     LineStringType lineStringType = objectFactory.createLineStringType();
     placemarkType.setAbstractGeometryGroup(objectFactory.createLineString(lineStringType));
     List<String> coordinates = lineStringType.getCoordinates();
     List<KmlPosition> positions = route.getPositions();
     for (int i = startIndex; i < endIndex; i++) {
       KmlPosition position = positions.get(i);
       coordinates.add(createCoordinates(position, false));
     }
   }
   return placemarkType;
 }
 private FolderType createWayPoints(KmlRoute route, int startIndex, int endIndex) {
   ObjectFactory objectFactory = new ObjectFactory();
   FolderType folderType = objectFactory.createFolderType();
   folderType.setName(WAYPOINTS);
   folderType.setDescription(asDescription(route.getDescription()));
   List<KmlPosition> positions = route.getPositions();
   for (int i = startIndex; i < endIndex; i++) {
     KmlPosition position = positions.get(i);
     PlacemarkType placemarkType = objectFactory.createPlacemarkType();
     folderType.getAbstractFeatureGroup().add(objectFactory.createPlacemark(placemarkType));
     placemarkType.setName(asName(isWriteName() ? position.getDescription() : null));
     placemarkType.setDescription(asDesc(isWriteDesc() ? position.getDescription() : null));
     if (position.hasTime()) {
       TimeStampType timeStampType = objectFactory.createTimeStampType();
       timeStampType.setWhen(formatDate(position.getTime()));
       placemarkType.setAbstractTimePrimitiveGroup(objectFactory.createTimeStamp(timeStampType));
     }
     PointType pointType = objectFactory.createPointType();
     placemarkType.setAbstractGeometryGroup(objectFactory.createPoint(pointType));
     pointType.getCoordinates().add(createCoordinates(position, false));
   }
   return folderType;
 }