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.jts.coerce;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.DataTypesManager.Coercion;

/**

 * Convert a object to Envelope.

 *

 * Support convert: - Envelope to Envelope (do nothing) - Geometry to Envelope -

 * WKB (byte[]) to Geometry - WKT (String/toString) to Geometry

 *

 *

 * @author gvSIG Team

 * @version $Id$

 *

 */

@SuppressWarnings("UseSpecificCatch")

public class CoerceToEnvelope implements Coercion {

    @Override

    public Object coerce(Object value) throws CoercionException {

        try {

            if (value == null || value instanceof Envelope) {

                return value;

            }

            if (value instanceof Geometry) {

                return ((Geometry) value).getEnvelope();

            }

            Geometry geom;

            GeometryManager manager = GeometryLocator.getGeometryManager();

            if (value instanceof byte[]) {

                geom = manager.createFrom((byte[]) value);

            } else {

                geom = manager.createFrom(value.toString());

            }

            if (geom == null) {

                throw new CoercionException();

            }

            return geom.getEnvelope();

        } catch (Exception e) {

            throw new CoercionException(e);

        }

    }

}