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

 * $Id: Ogr_info.java 970 2005-01-13 12:52:33Z igbrotru $

 *

 * Name:     ogr-info.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.

 */

import es.gva.cit.jogr.*;

public class Ogr_info{

        public static void main(String[] args){

          OGRRegisterAll.register();

          OGRDataSource                 ds=null;

          OGRSFDriver                         drv=null;

          OGRSFDriverRegistrar         registro = new OGRSFDriverRegistrar();

          OGRLayer                                 capa=null;

          OGRFeatureDefn                 fd;

          OGREnvelope                         extent;

          OGRFieldDefn                   poField;

          OGRFeature                        feature;

          int                                         ndrivers;

          int                                         ncapas;

          int                                         nfielddefn;

          try{

                  ds=registro.open(args[0],false,drv);

                  ndrivers = registro.getDriverCount();

                  System.out.println("N?mero de drivers registrados: "+ndrivers);

                  //Informaci?n sobre los drivers

                  for(int i=0;i<ndrivers;i++)

                          System.out.println(registro.getDriver(i).getName());

                  System.out.println("******************");

                  //Informaci?n sobre las capas

                System.out.println("Nombre datasource: "+ds.getName());

                ncapas = ds.getLayerCount();

                System.out.println("N?mero de capas: "+ncapas);

                //Se recorren las capas

                for( int iLayer = 0; iLayer < ncapas; iLayer++ ){

                        System.out.println("******CAPA "+(iLayer+1)+"******");

                        capa = ds.getLayer(iLayer);

                        fd = capa.getLayerDefn();

                        System.out.println("Nombre FeatureDefn: "+fd.getName());

                        System.out.println("Tipo de geometria: "+fd.getGeomType());

                        extent = capa.getExtent(true);

                        System.out.println("Extent: "+extent.minX+" "+extent.maxX+" "+extent.minY+" "+extent.maxY);

                        //Se recorren los atributos de cada capa

                        nfielddefn=fd.getFieldCount();

                        for( int iAttr = 0; iAttr < nfielddefn; iAttr++ ){

                            poField = fd.getFieldDefn( iAttr );

                            System.out.println( poField.getNameRef()+": "+

                                            poField.getFieldTypeName( poField.getType())+" ("+

                                            poField.getWidth()+"."+

                                            poField.getPrecision()+")" );

                    }

                }

                System.out.println("******************");

                while( (feature = capa.getNextFeature()) != null ){

                    feature.dumpReadable( null );

                    feature=null;

            }

          }catch(Exception e){

                  e.printStackTrace();

          }

        }  

}