Application: gvSIG desktop » gvSIG projections

package org.gvsig.geotools.proj.catalog.datum;

import java.util.Date;

import org.opengis.referencing.datum.GeodeticDatum;

import org.opengis.referencing.datum.VerticalDatum;

import org.gvsig.proj.catalog.datum.Datum;

import org.gvsig.proj.catalog.datum.Ellipsoid;

import org.gvsig.proj.catalog.datum.PrimeMeridian;

import org.gvsig.proj.catalog.datum.VerticalDatumType;

public class DefaultDatum implements Datum {

        private org.opengis.referencing.datum.Datum datum;

        private PrimeMeridian primeMeridian = null;

        private Ellipsoid ellipsoid = null;

        public DefaultDatum(org.opengis.referencing.datum.Datum datum) {

                this.datum = datum;

        }

        @Override

        public String getName() {

                return datum.getName().toString();

        }

        @Override

        public String getIdentifier() {

                // TODO Auto-generated method stub

                return datum.getName().toString();

        }

        @Override

        public String getAnchorPoint() {

                return datum.getAnchorPoint().toString();

        }

        @Override

        public Date getRealizationEpoch() {

                return datum.getRealizationEpoch();

        }

        @Override

        public Ellipsoid getEllipsoid() {

                if (ellipsoid==null && datum instanceof GeodeticDatum) {

                        ellipsoid = new DefaultEllipsoid(((GeodeticDatum)datum).getEllipsoid());

                }

                return ellipsoid;

        }

        @Override

        public PrimeMeridian getPrimeMeridian() {

                if (primeMeridian==null && datum instanceof GeodeticDatum) {

                        primeMeridian = new DefaultPrimeMeridian(((GeodeticDatum)datum).getPrimeMeridian());

                }

                return primeMeridian;

        }

        @Override

        public boolean isGeodetic() {

                return (datum instanceof GeodeticDatum);

        }

        @Override

        public boolean isVertical() {

                return (datum instanceof VerticalDatum);

        }

        @Override

        public VerticalDatumType getVerticalDatumType() {

                if (datum instanceof VerticalDatum) {

                        org.opengis.referencing.datum.VerticalDatumType geoapiVerticalType = ((VerticalDatum)datum).getVerticalDatumType();

                        VerticalDatumType verticalType = VerticalDatumType.valueOf(geoapiVerticalType.name());

                        if (verticalType != null) {

                                return verticalType;

                        }

                        return VerticalDatumType.OTHER_SURFACE;

                }

                return null;

        }

}