Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2017 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 org.gvsig.raster.lib.buffer.api.Buffer;

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

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

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

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

/**

 * @author fdiaz

 *

 */

public abstract class AbstractOperation implements OperationServices {

    static public String COPY_UNPROCESSED_BANDS_PARAM = "copy_unprocessed_bands";

    protected Buffer buffer;

    protected DynObject parameters;

    protected Buffer outputBuffer;

    protected OperationFactory factory;

    protected boolean copyUnprocessedBands;

    /**

     *

     */

    public AbstractOperation() {

        // Nothing to do

    }

    @Override

    public void preProcess() throws BufferOperationException {

        if (this.parameters.getDynClass().getDynField(COPY_UNPROCESSED_BANDS_PARAM) != null

            && this.parameters.hasDynValue(COPY_UNPROCESSED_BANDS_PARAM)) {

            copyUnprocessedBands = (Boolean) this.parameters.getDynValue(COPY_UNPROCESSED_BANDS_PARAM);

        } else {

            copyUnprocessedBands = true;

        }

    }

    @Override

    public void process() throws ProcessingOperationException {

        //Nothing to do

    }

    @Override

    public void postProcess() throws BufferOperationException {

        //Nothing to do

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.Operation#execute(org.gvsig.raster.lib.buffer.api.Buffer, org.gvsig.tools.dynobject.DynObject)

     */

    @Override

    public Buffer execute(Buffer buffer, DynObject parameters) throws BufferOperationException {

        this.buffer = buffer;

        this.parameters = parameters;

        this.preProcess();

        this.process();

        this.postProcess();

        return this.getOutputBuffer();

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.Operation#getFactory()

     */

    @Override

    public OperationFactory getFactory() {

        return factory;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.spi.OperationServices#getParameters()

     */

    @Override

    public DynObject getParameters() {

        return parameters;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.spi.OperationServices#getInputBuffer()

     */

    @Override

    public Buffer getInputBuffer() {

        return this.buffer;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.spi.OperationServices#getOutputBuffer()

     */

    @Override

    public Buffer getOutputBuffer() {

        return outputBuffer;

    }

}