Application: gvSIG desktop

     * 

     * @param data

     * @return

     * @throws CreateGeometryException

     * @throws GeometryException 

     */

    public Geometry createFrom(Object data)

        throws CreateGeometryException, GeometryException;

    /**

    public Object convertTo(String format) throws GeometryOperationNotSupportedException,

            GeometryOperationException;

    public static Geometry createFrom(Object data) {

        GeometryManager geomManager = GeometryLocator.getGeometryManager();

        try {

            return geomManager.createFrom(data);

        } catch (GeometryException ex) {

            return null;

        }

    }

    public static Object convertTo(Geometry geom, String format) {

        try {

            return geom.convertTo(format);

        } catch (Exception ex) {

            return null;

        }

    }

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.geom.jts.util;

import com.vividsolutions.jts.io.gml2.GMLReader;

import com.vividsolutions.jts.io.gml2.GMLWriter;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.jts.GeometryJTS;

/**

 *

 * @author jjdelcerro

 */

public class GMLUtils {

    public static Geometry GML2Geometry(String gml) {

        GMLReader reader = new GMLReader();

        com.vividsolutions.jts.geom.Geometry jtsgeom;

        try {

            jtsgeom = reader.read(gml, null);

        } catch (Exception ex) {

            return null;

        }

        return JTSUtils.createGeometry(jtsgeom);

    }

    public static String geometry2GML(Geometry geom) {

        com.vividsolutions.jts.geom.Geometry jtsgeom = ((GeometryJTS) geom).getJTS();

        GMLWriter writer = new GMLWriter();

        String gml = writer.write(jtsgeom);

        return gml;

    }

}

 * as published by the Free Software Foundation; either version 3

import org.codehaus.plexus.util.StringUtils;

import org.gvsig.fmap.geom.jts.util.GMLUtils;

    @Override

    public Object convertTo(String format) throws GeometryOperationNotSupportedException, GeometryOperationException {

        if( StringUtils.isEmpty(format) ) {

            throw new IllegalArgumentException("Can't accept null as format name.");

        }

        format = format.trim().toLowerCase();

        switch(format) {

            case "jts":

                return this.getJTS();

            case "wkb":

                return this.convertToWKB();

            case "ewkb":

                return this.convertToEWKB();

            case "wkt":

                return this.convertToWKT();

            case "gml":

                return GMLUtils.geometry2GML(this);

            case "json":

            case "geojson":

            default:

                throw new IllegalArgumentException("Format '"+format+"' not supported");

        }

    }

import com.vividsolutions.jts.io.gml2.GMLReader;

import org.gvsig.fmap.geom.jts.util.GMLUtils;

    @Override

    public Geometry createFrom(Object data) throws CreateGeometryException, GeometryException {

        if( data == null ) {

            throw new IllegalArgumentException("null data is not allowed");

        }

        if( data instanceof String ) {

            Geometry geom = GMLUtils.GML2Geometry((String) data);

            if( geom != null ) {

                return geom;

            }

            return this.createFrom((String)data);

        }

        if( data instanceof byte[] ) {

            return this.createFrom((byte[])data);

        }

        if( data instanceof com.vividsolutions.jts.geom.Geometry ) {

            return this.createFrom((com.vividsolutions.jts.geom.Geometry)data);

        }

        if( data instanceof Geometry ) {

            return ((Geometry)data).cloneGeometry();

        }

        throw new IllegalArgumentException("Type of data ("+data.getClass().getName()+") not supported.");

    }