Application: gvSIG desktop

import org.gvsig.fmap.geom.Geometry;

        try {

            Geometry point = null;

            Object xval = source.get(xFieldName);

            Object yval = source.get(yFieldName);

            if (xval == null || yval == null) {

                logger.info("Found row with null coordinates in event theme (created null geometry)");

                point = geometryManager.createNullGeometry(SUBTYPES.GEOM2D);

                target.set(geometryFieldName, point);

                target.setDefaultGeometry(point);  

            } else {

                point = geometryManager.createPoint(

                    new Double(xval.toString()),

                    new Double(yval.toString()),

                    SUBTYPES.GEOM2D);

                target.set(geometryFieldName, point);

                target.setDefaultGeometry(point);   

                envelope.add(point.getEnvelope());

            }

        } catch (Exception e) {

            throw new org.gvsig.fmap.dal.feature.exception.CreateGeometryException(

                TYPES.POINT, SUBTYPES.GEOM2D, e);