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.properties;

import java.util.ArrayList;

import org.gvsig.fmap.dal.coverage.store.props.Metadata;

/**

 * Class to store metadata in a RasterDataset

 *

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

 */

public class MultiDataStoreMetadata extends ArrayList<Metadata> implements Metadata {

        private static final long serialVersionUID = 1L;

        private int[]             nBand            = null;

        public MultiDataStoreMetadata(int[] bands) {

                this.nBand = bands;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#initNoDataByBand(int)

         */

        public void initNoDataByBand(int values) {

                if(size() != nBand.length)

                        return;

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

                        get(i).initNoDataByBand(nBand[i]);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#setNoDataValue(int, double)

         */

        public void setNoDataValue(int band, double value){

                if(size() != nBand.length)

                        return;

                int acc = 0;

                int bandParcial = band;

                for (int i = 0; i < size(); i++) {

                        acc += nBand[i];

                        if(band < acc) {

                                get(i).setNoDataValue(bandParcial, value);

                                return;

                        }

                        bandParcial -= nBand[i];

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#getNoDataValue(int)

         */

        public double getNoDataValue(int band) {

                if(size() != nBand.length)

                        return 0;

                int acc = 0;

                int bandParcial = band;

                for (int i = 0; i < size(); i++) {

                        acc += nBand[i];

                        if(band < acc) 

                                return get(i).getNoDataValue(bandParcial);

                        bandParcial -= nBand[i];

                }

                return 0;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#getNoDataValue()

         */

        public double[] getNoDataValue() {

                if(size() != nBand.length)

                        return null;

                int bandCount = 0;

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

                        bandCount += nBand[i];

                int cont = 0;

                double[] res = new double[bandCount];

                for (int i = 0; i < size(); i++) {

                        double[] p = get(i).getNoDataValue();

                        for (int j = 0; j < p.length; j++) {

                                res[cont] = p[j];

                                cont ++;

                        }

                }

                return res;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#getMetadataString()

         */

        public String[] getMetadataString() {

                if(size() != nBand.length)

                        return null;

                int bandCount = 0;

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

                        bandCount += nBand[i];

                int cont = 0;

                String[] res = new String[bandCount];

                for (int i = 0; i < size(); i++) {

                        String[] p = get(i).getMetadataString();

                        for (int j = 0; j < p.length; j++) {

                                res[cont] = p[j];

                                cont ++;

                        }

                }

                return res;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#isNoDataEnabled()

         */

        public boolean isNoDataEnabled() {

                if(size() != nBand.length)

                        return true;

                return get(0).isNoDataEnabled();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.dataset.Metadata#setNoDataEnabled(boolean)

         */

        public void setNoDataEnabled(boolean noDataEnabled) {

                if(size() != nBand.length)

                        return;

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

                        get(i).setNoDataEnabled(noDataEnabled);

        }

}