Application: gvSIG desktop

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

 * $Id: JNIBase.java 7765 2006-10-03 07:05:18Z nacho $

 *

 * Name:     JNIBase.java

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

 * Purpose:  Base class for classes that use JNI.

 * 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.

 */

/**

 * @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

 */

package org.gvsig.jogr;

public class JNIBase{

        protected long cPtr;

        private native int getDriverCountNat(long cPtr);

        private native int getLayerCountNat(long cPtr);

        private native int getFeatureCountNat(long cPtr);

        private native int getFieldCountNat(long cPtr);

        private native int getWidthNat(long cPtr);

        private native int getPrecisionNat(long cPtr);

        private native int referenceNat(long cPtr);

        private native int dereferenceNat(long cPtr);

        private native int getRefCountNat(long cPtr);

        private native int getSummaryRefCountNat(long cPtr);

        private native int referenceFeatureDefnNat(long cPtr);

        private native int dereferenceFeatureDefnNat(long cPtr);

        private native int getReferenceCountNat(long cPtr);

        private native int getFieldCountFeatureNat(long cPtr);

        //private native int syncToDiskNat(long cPtr);//Excepciones

        //private native int startTransactionNat(long cPtr);//Excepciones

        //private native int commitTransactionNat(long cPtr);//Excepciones

        //private native int rollbackTransactionNat(long cPtr);//Excepciones

        private native int referenceLayerNat(long cPtr);

        private native int dereferenceLayerNat(long cPtr);

        private native int getRefCountLayerNat(long cPtr);

        private native int getOpenDSCountNat(long cPtr);

        //Geometry

        private native int getDimensionNat( long cPtr);

        private native int isSimpleNat( long cPtr );

        private native int wkbSizeNat( long cPtr );

        //Point

        private native int isEmptyPointNat( long cPtr ); //return OGRBoolean

        private native int getCoordinateDimensionPointNat( long cPtr );

        //Line String

        private native int isEmptyLineStringNat( long cPtr ); //return OGRBoolean

        private native int getCoordinateDimensionLineStringNat( long cPtr );

        private native int getNumPointsNat( long cPtr );

        //Linear Ring

        private native int isClockwiseNat(long cPtr);

        private native int WkbSizeNat(long cPtr);

        //Polygon

        private native int getNumInteriorRingsNat( long cPtr );

        private native int wkbSizePolygonNat( long cPtr );

        private native int getDimensionPolygonNat( long cPtr );

        private native int getCoordinateDimensionNat( long cPtr );

        //GeometryCollection

        private native int getDimensionGeometryCollectionNat( long cPtr );

        private native int getCoordinateDimensionGeometryCollectionNat( long cPtr );

         /**

         * Funci?n que sirve como base para funcionalidades de ogr que admiten como par?metro un long y devuelven un entero.

         * 

         * @throws OGRException.

         * @param msg1        Mensaje de error que se muestra cuando el puntero a objeto pasado es vacio.

         * @param msg2        Mensaje de error que se muestra cuando el resultado de la llamada a la funci?n de gdal es menor o igual que 0.

         */

        protected int baseSimpleFunctions(int n,String msg1,String msg2)throws OGRException{

                int res = 0;

                if(cPtr <= 0)

                        throw new OGRException(msg1);

                switch(n){

                        case 0: res = getDriverCountNat(cPtr);break;

                        case 1: res = getLayerCountNat(cPtr);break;

                        case 2: res = getFeatureCountNat(cPtr);break;

                        case 3: res = getFieldCountNat(cPtr);break;

                        case 4: res = getWidthNat(cPtr);break;

                        case 5: res = getPrecisionNat(cPtr);break;

                        case 6: res = referenceNat(cPtr);break;

                        case 7: res = dereferenceNat(cPtr);break;

                        case 8: res = getRefCountNat(cPtr);break;

                        case 9: res = getSummaryRefCountNat(cPtr);break;

                        case 10: res = referenceFeatureDefnNat(cPtr);break;

                        case 11: res = dereferenceFeatureDefnNat(cPtr);break;

                        case 12: res = getReferenceCountNat(cPtr);break;

                        case 13: res = getFieldCountFeatureNat(cPtr);break;

                        //case 14: res = syncToDiskNat(cPtr);break;//Excepciones

                        //case 15: res = startTransactionNat( cPtr);break;//Excepciones

                        //case 16: res = commitTransactionNat( cPtr);break;//Excepciones

                        //case 17: res = rollbackTransactionNat( cPtr);break;//Excepciones

                        case 18: res = referenceLayerNat( cPtr);break;

                        case 19: res = dereferenceLayerNat( cPtr);break;

                        case 20: res = getRefCountLayerNat( cPtr);break;

                        case 21: res = getOpenDSCountNat(cPtr);break;

                        case 22: res = getDimensionNat(cPtr);break;

                        case 23: res = isSimpleNat(cPtr );break;

                        case 24: res = wkbSizeNat(cPtr );break;

                        case 25: res = isEmptyPointNat( cPtr );break; //return OGRBoolean

                        case 26: res = getCoordinateDimensionPointNat( cPtr );break;

                        case 27: res = getNumPointsNat( cPtr );break;

                        case 28: res = isEmptyLineStringNat( cPtr );break; //return OGRBoolean

                        case 29: res = getCoordinateDimensionLineStringNat( cPtr );break;

                        case 30: res = isClockwiseNat(cPtr);break;

                        case 31: res = WkbSizeNat(cPtr);break;

                        case 32: res = getNumInteriorRingsNat( cPtr );break;

                        case 33: res = wkbSizeNat( cPtr );break;

                        case 34: res = getDimensionNat( cPtr );break;

                        case 35: res = getCoordinateDimensionNat( cPtr );break;

                }

                if(res<0)

                         throw new OGRException(msg2);

                else return res;

        }

        /**

         * Lanza una excepci?n dependiendo del tipo de error pasado

         * @param err

         * @param mensaje

         * @throws OGRCorruptDataException

         * @throws OGRFailureException

         * @throws OGRNotEnoughDataException

         * @throws OGRNotEnoughMemoryException

         * @throws OGRUnsupportedGeometryTypeException

         * @throws OGRUnsupportedOperationException

         * @throws OGRUnsupportedSRSException

         */

        protected void throwException(int err, String mensaje)

                throws OGRCorruptDataException, OGRFailureException, OGRNotEnoughDataException, OGRNotEnoughMemoryException, OGRUnsupportedGeometryTypeException, OGRUnsupportedOperationException, OGRUnsupportedSRSException{

                switch(err){

                        case 1:throw new OGRNotEnoughDataException(mensaje);

                        case 2:throw new OGRNotEnoughMemoryException(mensaje);

                        case 3:throw new OGRUnsupportedGeometryTypeException(mensaje);

                        case 4:throw new OGRUnsupportedOperationException(mensaje);

                        case 5:throw new OGRCorruptDataException(mensaje);

                        case 6:throw new OGRFailureException(mensaje);

                        case 7:throw new OGRUnsupportedSRSException(mensaje);

                        default : return;

                }

        }

        /**

         * Obtiene el puntero a C del objeto

         * @param cPtr long con la direcci?n de memoria del objeto

         */

        public long getPtro() {

                return cPtr;

        }

        static {

                System.loadLibrary("jgdal2.0.0");

        }

}