Application: gvSIG desktop » gvSIG raster

/**********************************************************************

 * $Id: OGRSFDriverRegistrar.java 15690 2007-10-31 10:28:41Z nbrodin $

 *

 * Name:     OGRSFDriverRegistrar.java

 * Project:  JGDAL. Interface java to gdal (Frank Warmerdam).

 * Purpose:   

 * Author:   Nacho Brodin, brodin_ign@gva.es

 *

 **********************************************************************/

/*Copyright (C) 2004  Nacho Brodin <brodin_ign@gva.es>

 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.

 */

package org.gvsig.jogr;

import org.gdal.ogr.DataSource;

import org.gdal.ogr.Driver;

import org.gdal.ogr.ogr;

/** 

 * Gestor de drivers

 * 

 * @author Nacho Brodin <brodin_ign@gva.es>.<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es

 * @version 0.0

 * @link http://www.gvsig.gva.es

 */

public class OGRSFDriverRegistrar extends JNIBase{

        private OGRSFDriver driver;

//        private native long openNat(String fte, int bUpdate);

//        private native long getRegistrarNat();

//        private native long getDriverNat(long cPtr, int i);

//        private native void FreeOGRSFDriverRegistrarNat(long cPtr);

//        

//        private native int releaseDataSource( long cPtr, OGRDataSource ds ); //Excepciones

//        private native void registerDriver( long cPtr, OGRSFDriver poDriver );

//        private native OGRSFDriver getDriverByName( long cPtr, String name );

//        private native OGRDataSource getOpenDS(long cPtr, int i );

        /**

         * Abre un fichero de im?gen

         * @throws OGRException

         * @param fte        fichero fuente

         * @param bUpdate

         * @param pdriver

         * @return OGRDataSource

         */

        public OGRDataSource open(String fte, boolean bUpdate, OGRSFDriver pdriver)throws OGRException{

                OGRDataSource ds;

                OGRSFDriver drv;

                driver = pdriver;

                int bU=0;

                if(bUpdate)bU=1;

                if (fte == null || fte.equals(""))

                        throw new OGRException("Fallo en parametro de entrada de OGRDataSource.open");

                DataSource res = ogr.Open(fte, bU);

                if(res == null || driver == null)

                        throw new OGRException("Error en open(). No se ha podido abrir la im?gen.");

                else{

                        ds = (OGRDataSource)res;

                        drv = driver;

                }

                pdriver=drv;                

                return ds;

        }

        /**

         * Obtiene el n?mero de drivers registrados en el gestor

         * @throws OGRException

         * @return N?mero de drivers

         */

         public int getDriverCount()throws OGRException{

                return ogr.GetDriverCount();

         }

         /**

         * Obtiene el driver indicado por el ?ndice

         * @throws OGRException

         * @return un driver

         */

         public OGRSFDriver getDriver(int i)throws OGRException{

                 if(cPtr == 0)

                                throw new OGRException("Fallo al acceder al dato.");

                 Driver drv = ogr.GetDriver(i);

                 if(drv == null)

                         throw new OGRException("Error en getDriver(). No se ha podido obtener el driver indicado.");

                 return (OGRSFDriver)drv;

         }

        /**

        * Destructor 

        */

        protected void finalize() throws OGRFailureException{

//                if(cPtr == 0)

//                        throw new OGRFailureException("Fallo al acceder al dato.");

//                

//                FreeOGRSFDriverRegistrarNat(cPtr);

                delete_DataSource(this.cPtr);

        }

        /**

         * 

         */

        public void releaseDataSource( OGRDataSource ds )throws OGRException{ //Excepciones

        }

        /**

         * 

         */

        public void registerDriver( OGRSFDriver poDriver )throws OGRException{

        }

        /**

         * 

         */

        public OGRSFDriver getDriverByName( String name )throws OGRException{

                return null;

        }

        /**

         * 

         */

        public int getOpenDSCount()throws OGRException{

                return 0;

        }

        /**

         * 

         */

        public OGRDataSource getOpenDS( int i )throws OGRException{

                return null;

        }

}