How to use

numPolygons

method

in

org.postgis.MultiPolygon

private void writeMultiPolygon(MultiPolygon geom, ValueSetter dest) {
  dest.setInt(geom.numPolygons());
  writeGeometryArray(geom.getPolygons(), dest);
}

private static MultiPolygon convert(org.postgis.MultiPolygon geometry) {
  Polygon[] polygons = new Polygon[geometry.numPolygons()];
  for (int i = 0; i < polygons.length; i++) {
    polygons[i] = convert(geometry.getPolygon(i));
  }
  return new MultiPolygon(polygons);
}

private static MultiPolygon convert(org.postgis.MultiPolygon geometry) {
  Polygon[] polygons = new Polygon[geometry.numPolygons()];
  for (int i = 0; i < polygons.length; i++) {
    polygons[i] = convert(geometry.getPolygon(i));
  }
  return new MultiPolygon(polygons);
}

private void writeMultiPolygon(MultiPolygon geom, ValueSetter dest) {
  dest.setInt(geom.numPolygons());
  writeGeometryArray(geom.getPolygons(), dest);
}

private Geometry convertMultiPolygon(MultiPolygon pgMultiPolygon) {
  com.vividsolutions.jts.geom.Polygon[] polygons = new com.vividsolutions.jts.geom.Polygon[pgMultiPolygon
      .numPolygons()];
  for (int i = 0; i < polygons.length; i++) {
    Polygon pgPolygon = pgMultiPolygon.getPolygon(i);
    polygons[i] = (com.vividsolutions.jts.geom.Polygon) convertPolygon(pgPolygon);
  }
  com.vividsolutions.jts.geom.MultiPolygon out = getGeometryFactory()
      .createMultiPolygon(polygons);
  return out;
}