Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 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 3

 * 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.fmap.geom.operation.fromwkb;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

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

import org.gvsig.fmap.geom.operation.GeometryOperation;

import org.gvsig.fmap.geom.operation.GeometryOperationContext;

import org.gvsig.fmap.geom.operation.GeometryOperationException;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class FromWKB extends GeometryOperation {

    public static final String NAME = GeometryManager.OPERATIONS.FROMWKB;

        public static final int CODE = GeometryLocator.getGeometryManager().

            getGeometryOperationCode(NAME);

        private static WKBParser3 wkbParser = new WKBParser3();

        /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.operation.GeometryOperation#invoke(org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)

     */

    public Object invoke(Geometry geom, GeometryOperationContext ctx)

        throws GeometryOperationException {

        byte[] data = (byte[])ctx.getAttribute("data");

        try {

                        return geom = wkbParser.parse(data);

                } catch (CreateGeometryException e) {

                        return new GeometryOperationException(e);

                }

    }

    /* (non-Javadoc)

     * @see org.gvsig.fmap.geom.operation.GeometryOperation#getOperationIndex()

     */

    public int getOperationIndex() {

        return CODE;

    }

}