private static void getArealGeometry(ArrayList<Polygon> polygones, Geometry geometry) {
         for (int i = 0; i < geometry.getNumGeometries(); i++) {
            Geometry subGeom = geometry.getGeometryN(i);
            if(subGeom instanceof Polygon){
                polygones.add((Polygon) subGeom);
            }
            else if (subGeom instanceof GeometryCollection){
                getArealGeometry(polygones, subGeom);
            }
        }
    }
private static void getArealGeometry ( ArrayList < Polygon > polygones , Geometry geometry ) { for ( int i = 0 ; i < geometry . getNumGeometries ( ) ; i ++ ) { Geometry subGeom = geometry . getGeometryN ( i ) ; if ( subGeom instanceof Polygon ) { polygones . add ( ( Polygon ) subGeom ) ; } else if ( subGeom instanceof GeometryCollection ) { getArealGeometry ( polygones , subGeom ) ; } } }
Filter polygon from a geometry
@param polygones
@param geometry