protected Polygon<?> createGeometry(SqlServerGeometry nativeGeom, int shapeIndex) {
if (nativeGeom.isEmptyShape(shapeIndex)) {
return (Polygon<?>) createNullGeometry(nativeGeom.getCoordinateReferenceSystem());
}
// polygons consist of one exterior ring figure, and several interior ones.
IndexRange figureRange = nativeGeom.getFiguresForShape(shapeIndex);
List<LinearRing<?>> rings = new ArrayList<LinearRing<?>>(figureRange.length());
// the rings should contain all inner rings from index 1 to index length - 1
// index = 0 should be reserved for the shell.
for (int figureIdx = figureRange.start, i = 1; figureIdx < figureRange.end; figureIdx++) {
IndexRange pntIndexRange = nativeGeom.getPointsForFigure(figureIdx);
if (nativeGeom.isFigureInteriorRing(figureIdx)) {
rings.set(i++, toLinearRing(nativeGeom, pntIndexRange));
} else {
rings.set(0, toLinearRing(nativeGeom, pntIndexRange));
}
}
LinearRing<?>[] ringArr = (LinearRing<?>[]) new LinearRing[rings.size()];
return new Polygon(rings.toArray(ringArr));
}
