break;
case FilterType.GEOMETRY_DWITHIN:
curFilter = new DWithinImpl(null, null);
break;
case FilterType.GEOMETRY_INTERSECTS:
curFilter = new IntersectsImpl(null, null);
break;
case FilterType.GEOMETRY_CROSSES:
curFilter = new CrossesImpl(null, null);
break;
case FilterType.GEOMETRY_WITHIN: