private static void parseGeoJsonLineString(final LineString lineString, final GeoJsonProperties props, final List<GeoPrimitive> list) {
        list.add(GeoPrimitive.createPolyline(GP_CONVERTER.fromList(lineString.getPositions()), toGeoStyle(props)));
    }
Utility class to work with GeoJson
main/src/main/java/cgeo/geocaching/utils/GeoJsonUtils.java