Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2018 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.raster.lib.buffer.spi.operations;

import java.util.ArrayList;

import java.util.List;

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

import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException;

import org.gvsig.raster.lib.buffer.api.operations.SpecifiedBandsOperation;

import org.gvsig.raster.lib.buffer.spi.exceptions.ProcessingOperationException;

/**

 * @author fdiaz

 *

 */

public abstract class AbstractSpecifiedBandsOperation extends AbstractOperation implements SpecifiedBandsOperation {

    protected List<Integer> bandsToProcess;

    /**

     *

     */

    public AbstractSpecifiedBandsOperation() {

        // TODO Auto-generated constructor stub

    }

    @SuppressWarnings("unchecked")

    @Override

    public void preProcess() throws BufferOperationException {

        super.preProcess();

        if(this.parameters.getDynClass().getDynField(BANDS_TO_PROCESS_PARAM)!=null) {

            bandsToProcess = (List<Integer>)this.parameters.getDynValue(BANDS_TO_PROCESS_PARAM);

        }

        if(this.bandsToProcess==null) {

            bandsToProcess = new ArrayList<Integer>(buffer.getBandCount());

        };

        if(this.bandsToProcess.size()==0){

            for (int i=0; i<buffer.getBandCount(); i++){

                bandsToProcess.add(i);

            }

        }

    }

    /**

     * @param band

     * @return

     */

    protected boolean isProcessableBand(int band) {

        return bandsToProcess.contains(band);

    }

    @Override

    public void process() throws ProcessingOperationException {

        super.process();

    }

    @Override

    public void postProcess() throws BufferOperationException {

        super.postProcess();

    }

}