Application: gvSIG desktop » gvSIG raster

/* 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.wmts.provider;

import java.io.IOException;

import java.nio.Buffer;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.exception.ValidateDataParametersException;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.raster.lib.buffer.api.Band;

import org.gvsig.raster.lib.buffer.api.BandInfo;

import org.gvsig.raster.lib.buffer.api.BandTileManager;

import org.gvsig.raster.lib.buffer.api.TileStruct;

import org.gvsig.tools.dispose.Disposable;

import org.gvsig.tools.dispose.DisposeUtils;

import org.gvsig.tools.dispose.impl.AbstractDisposable;

import org.gvsig.tools.exception.BaseException;

/**

 * @author fdiaz

 *

 */

public class WMTSBandTileManager extends AbstractDisposable implements BandTileManager {

    private static final Logger logger = LoggerFactory.getLogger(WMTSBandTileManager.class);

    private int bandNumber;

    private int zoomLevel;

    private TileStruct tileStruct;

    private WMTSImage wmtsImage;

    /**

     * @param tileStruct

     * @param wmtsImage

     * @param zoomLevel

     * @param bandNumber

     */

    public WMTSBandTileManager(TileStruct tileStruct, WMTSImage wmtsImage, int zoomLevel, int bandNumber) {

        this.bandNumber = bandNumber;

        this.tileStruct = tileStruct;

        DisposeUtils.bind((Disposable) this.tileStruct);

        this.zoomLevel = zoomLevel;

        this.wmtsImage = wmtsImage;

        DisposeUtils.bind(this.wmtsImage);

    }

    @Override

    public boolean isSupportedSave() {

        return false;

    }

    @Override

    public Band load(int row, int col, int dataType) throws IOException {

        int tileRow=(int)row/getRowsPerTile();

        int tileCol=(int)col/getColumnsPerTile();

        try {

            return wmtsImage.fetchTile(bandNumber, this.zoomLevel, tileRow, tileCol);

        } catch (ValidateDataParametersException | CreateEnvelopeException | CloneNotSupportedException e) {

            throw new IOException("Can't load band.", e);

        }

    }

    @Override

    public void save(Buffer buffer, int row, int rows, int col, int cols, int dataType) throws IOException {

        throw new UnsupportedOperationException();

    }

    @Override

    public BandInfo getBandInfo() {

        // TODO Auto-generated method stub

        return null;

    }

    @Override

    public int getRowsPerTile() {

        return tileStruct.getRowsPerTile();

    }

    @Override

    public int getColumnsPerTile() {

        return tileStruct.getColumnsPerTile();

    }

    @Override

    public TileStruct getTileStruct() {

        return this.tileStruct;

    }

    @Override

    public void doDispose() throws BaseException {

        DisposeUtils.dispose(wmtsImage);

        wmtsImage = null;

        DisposeUtils.dispose((Disposable) this.tileStruct);

        this.tileStruct=null;

    }

}