private void execute(Polygon polygon) {
LinearRing ring = null;
if (index.isExteriorRing()) {
ring = polygon.getExteriorRing();
if (ring == null) {
ring = polygon.getGeometryFactory().createLinearRing(new Coordinate[] {coordinate});
setExteriorRing(polygon, ring);
} else {
setExteriorRing(polygon, (LinearRing) execute(ring));
}
} else if (index.getInteriorRingIndex() >= 0) {
if (index.getGeometryIndex() >= polygon.getNumInteriorRing()) {
LinearRing[] interiorRings = new LinearRing[polygon.getNumInteriorRing() + 1];
for (int i = 0; i < polygon.getNumInteriorRing(); i++) {
interiorRings[i] = polygon.getInteriorRingN(i);
}
interiorRings[polygon.getNumInteriorRing()] =
polygon.getGeometryFactory().createLinearRing(new Coordinate[] {coordinate});
setInteriorRings(polygon, interiorRings);
} else {
ring = polygon.getInteriorRingN(index.getInteriorRingIndex());
LineString lineString = execute(ring);
setInteriorRingN(polygon, (LinearRing) lineString, index.getInteriorRingIndex());
}
}
}
