| gvSIG desktop 1

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

 *

 * Copyright (C) 2004-2006 IVER T.I. 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 Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.publish.infoproject.datasources;

import java.awt.geom.Rectangle2D;

import java.io.File;

import java.io.IOException;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.infoproject.IDataSourceInfo;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.drivers.shp.IndexedShpDriver;

import com.iver.cit.gvsig.fmap.layers.VectorialAdapter;

import com.iver.utiles.FileUtils;

/**

 * Class that represents a shapefile information 

 * 

 * @author Jos? Vicente Hig?n (josevicente.higon@iver.es)

 * @see IFileInfo, IVectorialDSInfo

 *

 */

public class ShapefileInfo implements IFileInfo, IDataSourceInfo {        

        private IndexedShpDriver driver = null;

        private VectorialAdapter adapter;

        private String epsg=null;

        /**

         * Constructor 

         * @return

         */

        public ShapefileInfo(VectorialAdapter adapter) {

                this.adapter = adapter;

                this.driver = (IndexedShpDriver) adapter.getDriver();

        }        

        /**

         * @return the absolute path to the shapefile

         */

        public String getAbsolutePath() {                

                return driver.getFile().getAbsolutePath();

        }

        /**

         * @return the name of the file  

         */

        public String getFileName() {

                return driver.getFile().getName();

        }

        /**

         *  

         * @return the type of the datasource, SHAPEFILE, POSTGIS_TABLE, ... 

         * 

         */

//        public String getDataSourceType() {

//        return IVectorialDSInfo.SHAPEFILE;

//        }

        /**

         * @return the type of the geometries, POINT, POLYGON, LINE, MULTIGEOM, ...

         * @throws

         * TODO: Throw a publish exception  

         */

//        public String getGeomType(){

//        try {

//        switch (adapter.getShapeType()){

//        case FShape.POINT:

//        return IVectorialDSInfo.POINT;

//        case FShape.POLYGON:

//        return IVectorialDSInfo.POLYGON;

//        case FShape.LINE:

//        return IVectorialDSInfo.LINE;

//        }

//        } catch (DriverIOException e) {

//        // TODO Auto-generated catch block

//        e.printStackTrace();

//        }

//        return null;

//        }

        public Rectangle2D getNativeBBox() {

                Rectangle2D bbox = null;

                //adapter.getFullExtent()                

                try {

                        bbox = driver.getFullExtent();

                } catch (IOException e) {

                        PublishLogger.getLog().error("ERROR ShapefileInfo",e);

                }

                return bbox;

        }

        /**

         * 

         * @param epsg which has been set by the user

         */

        public void setEPSG(String epsg){

                this.epsg = epsg;

        }

        /**

         * I can't know the coordinate system of the shapefile. You must set it before.

         * TODO: see the projection in the prj file 

         */

        public String getEPSG() {                                        

                return epsg;

        }

        public String getDataType() {

                try {

                        switch (adapter.getShapeType()){

                        case FShape.POINT:

                                return IDataSourceInfo.POINT_DATA;

                        case FShape.POLYGON:

                                return IDataSourceInfo.POLYGON_DATA;

                        case FShape.LINE:

                                return IDataSourceInfo.LINE_DATA;

                        }

                } catch (DriverIOException e) {

                        PublishLogger.getLog().error("ERROR ShapefileInfo",e);

                }

                return null;

        }

        /**

         * 

         * @see org.gvsig.publish.infoproject.IDataSourceInfo#getType()

         */

        public String getType() {

                return SHAPE_TYPE;

        }

        /**

         * 

         * @see org.gvsig.publish.infoproject.datasources.IFileInfo#getExtension()

         */

        public String getExtension() {

                return FileUtils.getFileExtension(driver.getFile());

        }

        /**

         * 

         * @see org.gvsig.publish.infoproject.IDataSourceInfo#getLatLonBBox()

         */

        public Rectangle2D getLatLonBBox() {

                IProjection proj_source = CRSFactory.getCRS(getEPSG());

                IProjection proj_dest = CRSFactory.getCRS("EPSG:4326");

                ICoordTrans trans = proj_source.getCT(proj_dest);                

                return trans.convert(getNativeBBox());

        }

        /**

         * the datastore is the shapefile itself

         * @return shapefile name

         * @see org.gvsig.publish.infoproject.IDataSourceInfo#getConnectionName()

         */

        public String getConnectionName() {

                return getFileName();

        }

        /*

         * 

         * @see org.gvsig.publish.infoproject.datasources.IFileInfo#getFile()

         */

        public File getFile() {                

                return driver.getFile();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoproject.datasources.IFileInfo#getFilenameWithoutExtension()

         */

        public String getFilenameWithoutExtension() {

                String aux = getFileName();

                int i = aux.lastIndexOf(".");                

                return aux.substring(0,i);

        }

}