Application: gvSIG desktop » gvSIG raster

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

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

 *

 * Name:     OGRSFDriver.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;

/** 

 * 

 * @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 OGRSFDriver extends Driver{

//        public native String getNameNat(long cPtr);

//        private native long openNat( long cPtr, String pszName, boolean bUpdate );

//        private native int testCapabilityNat( long cPtr,String cap );

//        private native long createDataSourceNat( long cPtr, String pszName);                                             

//    private native int deleteDataSourceNat( long cPtr,String pszName );//Excepciones

//    private native long copyDataSourceNat( long cPtr, 

//                                                                                            long poSrcDS,

//                                                                                                String pszNewName,

//                                                                                                String[] papszOptions);

        public OGRSFDriver(long cPtr){

                super(cPtr, true);

        }

        /**

         * Obtiene el nombre del driver

         * @throws OGRException

         * @return Nombre del driver

         */

        public String getName() {                    

//                if(cPtr == 0)

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

                String name = this.GetName();

//                if(name == null)

//                        throw new OGRException("Error en getName(). No se ha podido obtener el nombre del driver.");

                return name;

        }

        /**

         * 

         */

        public OGRDataSource open( String pszName, boolean bUpdate )throws OGRException {

//                if(cPtr == 0)

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

                int update= 0;

                if(bUpdate){

                        update = 1;

                }

                DataSource ds = this.Open(pszName, update);

                if(ds == null || !(ds instanceof OGRDataSource))

                        throw new OGRException("Error en open(). No se ha podido obtener un dataset valido.");

                return ((OGRDataSource)ds);

        }

        /**

         * @param capability        Capacidad del driver a testear

         * <UL>

         *   <LI>"RandomRead"</LI>

     *         <LI>"SequentialWrite"</LI>

     *   <LI>"RandomWrite"</LI>

     *   <LI>"FastSpatialFilter"</LI>

     *   <LI>"FastFeatureCount"</LI>

     *   <LI>"FastGetExtent"</LI>

     *   <LI>"CreateField"</LI>

     *   <LI>"Transactions"</LI>

     *   <LI>"DeleteFeature"</LI>

     *   <LI>"CreateLayer"</LI>

     *   <LI>"DeleteLayer"</LI>

     *   <LI>"CreateDataSource"</LI>

     *   <LI>"DeleteDataSource"</LI>

     * </UL>

         */

        public boolean testCapability( String capability )throws OGRException {        

//                if(cPtr == 0)

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

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

                        throw new OGRException("Error en testCapability(). El par?metro pasado a la funci?n no es valido.");

                boolean res = this.TestCapability(capability);

//                if(res == 0)

//                        throw new OGRException("Error en testCapability(). No se ha podido obtener un valor de retorno valido.");

                return res;

        }

        /**

         * 

         */

        public OGRDataSource createDataSource( String pszName )throws OGRException {         

//                if(cPtr == 0)

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

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

                        throw new OGRException("Error en createDataSource(). El par?metro pasado a la funci?n no es valido.");

                DataSource ds = this.CreateDataSource(pszName);

                if(ds == null || !(ds instanceof OGRDataSource))

                        throw new OGRException("Error en createDataSource(). No se ha podido obtener un dataset valido.");

                return ((OGRDataSource)ds);

        }

        /**

         * 

         */

    public void deleteDataSource( String pszName )throws OGRException {//Excepciones

//            if(cPtr == 0)

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

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

                        throw new OGRException("Error en deleteDataSource(). El par?metro pasado a la funci?n no es valido.");

            int ogrerr = this.DeleteDataSource(pszName);   

//            throwException(ogrerr, "Error en deleteDataSource().");

    }

        /**

         * 

         */

    public OGRDataSource copyDataSource( OGRDataSource poSrcDS,

                                                   String pszNewName,

                                                   String[] papszOptions)throws OGRException {

            if(poSrcDS == null || pszNewName == null || pszNewName.equals(""))

                        throw new OGRException("Error en deleteDataSource().Alg?n par?metro pasado a la funci?n no es valido.");

            if(poSrcDS == null)

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

//            if(cPtr == 0)

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

            DataSource ds = this.CopyDataSource(poSrcDS, pszNewName, OGRTools.safeStringArrayToVector(papszOptions));

                if(ds == null)

                        throw new OGRException("Error en copyDataSource(). No se ha podido obtener un dataset valido.");

                return ((OGRDataSource)ds);

    }

}