Application: gvSIG desktop » gvSIG 3D

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.netcdf3d.lib.impl;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Calendar;

import java.util.List;

import java.util.TimerTask;

import org.gvsig.fmap.dal.raster.api.BandAttributeDescriptor;

import org.gvsig.fmap.dal.raster.api.BandDescriptor;

import org.gvsig.fmap.dal.raster.api.BandQuery;

import org.gvsig.fmap.dal.raster.api.RasterQuery;

import org.gvsig.fmap.dal.raster.api.RasterStore;

import org.gvsig.fmap.mapcontext.raster.api.RasterLayer;

import org.gvsig.netcdf3d.lib.api.NetCDFLoaderParameters;

/**

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 *

 */

public class DefaultNetCDFTimerTask implements ActionListener {

    private NetCDFLoaderParameters parameters;

    private DefaultNetCDFTiledImageLayer netCDFTiledImageLayer;

    private Calendar time;

    /**

     *

     * @param netCDFTiledImageLayer

     * @param defaultNetCDFTiledImageLayer

     * @param parameters

     */

    public DefaultNetCDFTimerTask(DefaultNetCDFTiledImageLayer netCDFTiledImageLayer,

        NetCDFLoaderParameters parameters) {

        this.parameters = parameters;

        this.netCDFTiledImageLayer = netCDFTiledImageLayer;

        if (parameters.getStartDate() == null || parameters.getFinalDate() == null) {

            throw new IllegalArgumentException("Start date or final date can not be null");

        }

    }

    @Override

    public void actionPerformed(ActionEvent e) {

        RasterLayer layer = (RasterLayer) parameters.getLayer();

        RasterStore rasterStore = layer.getRasterStore();

        if (this.time == null) {

            this.time = parameters.getStartDate();

        } else {

            BandDescriptor bandDescriptor =

                layer.getRasterStore().getBandDescriptor(parameters.getBand());

            BandAttributeDescriptor bandAttributeDescriptor = bandDescriptor.get("time");

            if (bandAttributeDescriptor == null) {

                throw new IllegalArgumentException(String.format(

                    "Band descriptor of %1s band does not have \"time\" band attribute descriptor",

                    parameters.getVariable()));

            }

            List<Object> values = bandAttributeDescriptor.getValues();

            int index = values.indexOf(this.time);

            if (index == values.size() - 1) {

                this.time = parameters.getStartDate();

            } else {

                this.time = (Calendar) values.get(index + 1);

            }

        }

        int band = parameters.getBand();

        BandQuery bandQuery = rasterStore.createBandQuery(band);

        bandQuery.setValue("level", parameters.getLevel());

        bandQuery.setValue("time", time);

        RasterQuery rasterQuery = rasterStore.createRasterQuery();

        rasterQuery.addBand(bandQuery);

        netCDFTiledImageLayer.setBaseQuery(rasterQuery);

    }

}