Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.impl.store.writer;

import java.awt.geom.AffineTransform;

import java.io.IOException;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

import org.gvsig.fmap.dal.coverage.datastruct.Params;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.fmap.dal.coverage.exception.RmfSerializerException;

import org.gvsig.fmap.dal.coverage.store.DataServerWriter;

import org.gvsig.fmap.dal.coverage.store.ExternalCancellable;

import org.gvsig.fmap.dal.coverage.store.RasterWriter;

import org.gvsig.fmap.dal.coverage.util.FileUtils;

import org.gvsig.fmap.dal.coverage.util.RasterUtils;

import org.gvsig.raster.impl.store.ParamsImpl;

import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation;

import org.gvsig.raster.util.DefaultProviderServices;

/**

 * Clase abstracta de la que heredan los drivers de escritura. Tiene los m?todos

 * abstractos que debe implementar cualquier driver de escritura y las

 * funcionalidades y opciones soportadas comunes a todos ellos.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public abstract class DefaultRasterWriter implements RasterWriter {

        public static final int              MODE_FILEWRITE = 1;

        public static final int              MODE_DATAWRITE = 2;

        protected String                     outFileName    = null;

        protected String                     inFileName     = null;

        protected int                        sizeWindowX    = 0;

        protected int                        sizeWindowY    = 0;

        protected int                        ulX            = 0;

        protected int                        ulY            = 0;

        protected DataServerWriter           dataWriter     = null;

        protected int                        nBands         = 0;

        protected String                     ident          = null;

        protected String                     driver         = null;

        protected Params                     driverParams   = null;

        protected AffineTransform            at             = null;

        protected int                        percent        = 0;

        protected int                        dataType       = Buffer.TYPE_BYTE;

        protected IProjection                proj           = null;

        protected DataStoreColorInterpretation colorInterp    = null;

        protected ExternalCancellable        extCancellable = null;

        protected FileUtils                  fileUtil       = RasterLocator.getManager().getFileUtils();

        protected RasterUtils                rasterUtil     = RasterLocator.getManager().getRasterUtils();

        protected DefaultProviderServices    pInfo          = (DefaultProviderServices)RasterLocator.getManager().getProviderServices();

        /**

         * Devuelve el identificador del driver

         * @return Identificador del driver

         */

        public String getIdent() {

                return ident;

        }

        /**

         * Obtiene el nombre del driver.

         * @return Nombre del driver

         */

        public String getDriverName() {

                return driver;

        }

        /**

         * @return

         */

        public String getDriverType() {

                return driver;

        }

        /**

         * Asigna el porcentaje de incremento. Esto es usado por el driver para

         * actualizar la variable percent

         * @param percent

         */

        public void setPercent(int percent) {

                this.percent = percent;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.store.RasterWriter#getPercent()

         */

        public int getPercent() {

                return percent;

        }

        /**

         * Obtiene los par?metros del driver.

         * @return WriterParams

         */

        public Params getParams() {

                return driverParams;

        }

        /**

         * Asigna los par?metros del driver modificados por el cliente.

         * @param Params

         */

        public void setParams(Params params) {

                if(params instanceof ParamsImpl)

                        this.driverParams = (ParamsImpl)params;

        }

        /**

         * Realiza la funci?n de compresi?n a partir de un GeoRasterFile.

         * @throws IOException

         */

        public abstract void fileWrite() throws IOException, ProcessInterruptedException;

        /**

         * Realiza la funci?n de compresi?n a partir de los datos pasados por el

         * cliente.

         * @throws IOException

         * @throws RmfSerializerException

         */

        public abstract void dataWrite() throws IOException, ProcessInterruptedException;

        /**

         * Cierra el driver

         */

        public abstract void writeClose() throws IOException;

        /**

         * Cancela el grabado de datos

         */

        public abstract void writeCancel();

        /**

         * A?ade la proyecci?n Wkt con la que salvar.

         * @param wkt

         */

        public abstract void setWkt(String wkt);

        /**

         * Asigna la interpretaci?n de color para el fichero de salida.

         * @param colorInterp Interpretaci?n de color

         */

        public void setColorBandsInterpretation(String[] colorInterp) {

                if (colorInterp != null) {

                        this.colorInterp = new DataStoreColorInterpretation();

                        this.colorInterp.initColorInterpretation(colorInterp.length);

                        for (int i = 0; i < colorInterp.length; i++)

                                this.colorInterp.setColorInterpValue(i, colorInterp[i]);

                }

        }

        /**

         * Assigns the object to be cancelled

         *

         * @param cancellable

         */

        public void setCancellableRasterDriver(ExternalCancellable cancellable) {

                this.extCancellable = cancellable;

        }

}