JSONArray points = lineStrings.getJSONArray(lsIndex);
LineString lineString = new LineString();
for(int pointIndex=0,pointEnd=points.length(); pointIndex<pointEnd; ++pointIndex){
JSONArray coordinates = points.getJSONArray(pointIndex);
Point point = new Point();
for(int coordIndex=0,coordEnd=coordinates.length(); coordIndex<coordEnd; ++coordIndex){
double position = coordinates.getDouble(coordIndex);
point.addPosition(position);
}
lineString.addPoint(point);
}
polygon.addLinearRing(lineString);