Application: gvSIG desktop

/* 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 org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.publish.infoproject.IDataSourceInfo;

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

import com.iver.cit.gvsig.fmap.drivers.raster.CmsRasterDriver;

import com.iver.utiles.FileUtils;

public class RasterInfo implements IRasterDSInfo, IFileInfo, IDataSourceInfo {

        private CmsRasterDriver driver = null;

        private Rectangle2D extent = null;

        public RasterInfo(CmsRasterDriver driver) {

                this.driver = driver;

                this.extent = driver.getFullExtent();

        }

        public String getAbsolutePath() {

                return driver.getFile().getAbsolutePath();

        }

        public String getFileName() {

                return  driver.getFile().getName();                

        }

        public int getNumBands() {

                return driver.getNumBands();

        }

        public Rectangle2D getNativeBBox() {

                return extent;

        }

        /**

         * Can be null!!

         */

        public String getEPSG() {

                IProjection proj = driver.getProjection();

                if (proj !=null){

                        return proj.getAbrev();

                }

                return null;

        }

        /**

         * @see http://java.sun.com/docs/books/tutorial/java/nutsandbolts/datatypes.html

         * @return BYTE, INT16, UINT16, INT32, UINT32, FLOAT32, FLOAT64 or null if I don't know the data type

         * TODO: complex types CInt16/CInt32/CFloat32/CFloat64

         *  

         */

        public String getDataType() {

                int datatype = driver.getRasterDataType();

                switch(datatype){

                case java.awt.image.DataBuffer.TYPE_BYTE:

                        return IDataSourceInfo.BYTE;

                case java.awt.image.DataBuffer.TYPE_USHORT:

                        return IDataSourceInfo.UINT16;

                case java.awt.image.DataBuffer.TYPE_SHORT:

                        return IDataSourceInfo.INT16;

                case java.awt.image.DataBuffer.TYPE_INT:

                        return IDataSourceInfo.INT32;

                case java.awt.image.DataBuffer.TYPE_FLOAT:

                        return IDataSourceInfo.FLOAT32;

                case java.awt.image.DataBuffer.TYPE_DOUBLE:

                        return IDataSourceInfo.FLOAT64;                                

                case java.awt.image.DataBuffer.TYPE_UNDEFINED:

                        return null;

                }

                return null;

        }

        /**

         * @return type of datasource, that is RASTER 

         */

        public String getType() {

                return IDataSourceInfo.RASTER_TYPE;

//                String extension = FileUtils.getFileExtension(driver.getFile());                                        

//                return extension;

        }

        public int getTransparency() {                

                return this.driver.getTransparency();

        }

        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 file itself

         * @return file name

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

         */

        public String getDatastoreName() {

                return getFileName();

        }

        /*

         * (non-Javadoc)

         * @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().split(".");

                if (aux.length > 0){

                        return aux[1];

                }else{

                        return null;

                }

        }

}