| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.

 *

 * 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 2

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.crs;

import java.util.TreeMap;

import org.cresques.cts.ICRSFactory;

import org.cresques.cts.IProjection;

import org.gvsig.crs.repository.EpsgRepository;

import org.gvsig.crs.repository.EsriRepository;

import org.gvsig.crs.repository.ICrsRepository;

import org.gvsig.crs.repository.Iau2000Repository;

/**

 * Clase que consigue el CRS a trav?s del c?digo de la EPSG o de

 * la cadena WKT

 *

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 *

 */

public class CrsFactory implements ICRSFactory {

        static TreeMap data = new TreeMap();

        public CrsFactory() {

        }

        /**

         * Obtiene un CRS a partir de su c?digo (p.e. EPSG:23030).

         * @param code

         * @return

         * @throws CrsException

         */

        public ICrs getCRS(String code) throws CrsException {

                if (data.containsKey(code))

                        return (Crs) data.get(code);

                String repoId = code.substring(0, code.indexOf(":"));

                String crsCode = code.substring(code.indexOf(":")+1);

                ICrsRepository repo = null;

                Crs crs = null;

                if(repoId.equals("EPSG")){

                        repo = new EpsgRepository();

                        crs = (Crs)repo.getCrs(crsCode);

                }else if (repoId.equals("IAU2000")){

                        repo = new Iau2000Repository();

                        crs = (Crs)repo.getCrs(crsCode);

                }else if (repoId.equals("ESRI")){

                        repo = new EsriRepository();

                        crs = (Crs)repo.getCrs(crsCode);

                }

                // LWS Esta l?nea sobra, cuando el cuadro de di?logo est?

                // mejor hecho.

                code = crs.getAbrev();

                data.put(code, crs);

                return crs;

                /*if (data.containsKey(code))

                        return (Crs) data.get(code);

                Crs crs = new Crs(code);

                // LWS Esta l?nea sobra, cuando el cuadro de di?logo est?

                // mejor hecho.

                code = crs.getAbrev();

                data.put(code, crs);

                return crs;*/

        }

        /**

         *

         * @param epsg_code

         * @param code

         * @return

         * @throws CrsException

         */

        public ICrs getCRS(int epsg_code, String code) throws CrsException {

                if (data.containsKey(code))

                        return (Crs) data.get(code);

                Crs crs = new Crs(epsg_code, code);

                // LWS Esta l?nea sobra, cuando el cuadro de di?logo est?

                // mejor hecho.

                code = crs.getAbrev();

                data.put(code, crs);

                return crs;

        }

        /**

         *

         * @param epsg_code

         * @param code

         * @param params

         * @return

         * @throws CrsException

         */

        public ICrs getCRS(int epsg_code, String code, String params) throws CrsException {

                if (data.containsKey(code))

                        return (Crs) data.get(code);

                Crs crs = new Crs(epsg_code, code,params);

                // LWS Esta l?nea sobra, cuando el cuadro de di?logo est?

                // mejor hecho.

                code = crs.getAbrev();

                data.put(code, crs);

                return crs;

        }

        /**

         *

         */

        public IProjection get(String name) {

                // TODO Auto-generated method stub

                try {

                        return getCRS(name);

                } catch (CrsException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                return null;

        }

        /**

         *

         */

        public boolean doesRigurousTransformations() {

                return true;

        }

}