Application: gvSIG desktop

package org.gvsig.raster.lib.buffer.impl;

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

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

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

import org.gvsig.raster.lib.buffer.impl.exceptions.CopyFromBandException;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dispose.DisposableManager;

import org.gvsig.tools.dispose.DisposeUtils;

import org.gvsig.tools.exception.BaseException;

/**

 * @author fdiaz

 *

 */

public abstract class AbstractClippedBand extends AbstractBand implements Band {

    protected Band band;

    protected int firstRow;

    protected int firstColumn;

    /**

     * @param buffer

     * @param band

     */

    public AbstractClippedBand(Buffer buffer, Band band) {

        if (buffer instanceof ClippedBuffer) {

            ClippedBuffer clippedBuffer = (ClippedBuffer) buffer;

            DisposableManager disposableManager = ToolsLocator.getDisposableManager();

            disposableManager.bind(band);

            this.band = band;

            this.rows = clippedBuffer.getRows();

            this.columns = clippedBuffer.getColumns();

            this.firstRow = clippedBuffer.getFirstRow();

            this.firstColumn = clippedBuffer.getFirstColumn();

            this.noData = this.band.getNoData();

        } else {

            throw new IllegalArgumentException("buffer isn't a ClippedBuffer");

        }

    }

    @Override

    public BandInfo getBandInfo() {

        return this.band.getBandInfo();

    }

    @Override

    public int getDataType() {

        return this.band.getDataType();

    }

    @Override

    public Object get(int row, int column) {

        int bandRow = row + firstRow;

        int bandColumn = column + firstColumn;

        return this.band.get(bandRow, bandColumn);

    }

    @Override

    protected void doSet(int row, int column, Object value) {

        throw new UnsupportedOperationException("Can't write in a clipped band.");

    }

    @Override

    protected void doFill(Object value) {

        throw new UnsupportedOperationException("Can't write in a clipped band.");

    }

    @Override

    protected void doCopyFrom(Band source) throws CopyFromBandException {

        throw new UnsupportedOperationException("Can't write in a clipped band.");

    }

    @Override

    protected void doCopyFrom(Band source, int row, int column) throws CopyFromBandException {

        throw new UnsupportedOperationException("Can't write in a clipped band.");

    }

    @Override

    protected void doPutRow(int row, Object rowBuffer) {

        throw new UnsupportedOperationException("Can't write in a clipped band.");

    }

    @Override

    public boolean isReadOnly() {

        return true;

    }

    // ?es necesario? ?es conveniente?

    @Override

    public void doDispose() throws BaseException {

        super.doDispose();

        DisposeUtils.dispose(band);

        band = null;

    }

}