Subversion Repositories hibernate-spatial

/*
 * $Id:$
 *
 * This file is part of Hibernate Spatial, an extension to the
 * hibernate ORM solution for geographic data.
 *
 * Copyright © 2009 Geovise BVBA
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For more information, visit: http://www.hibernatespatial.org/
 */

package org.hibernatespatial.sqlserver.convertors;

import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryCollection;

/**
 * Created by IntelliJ IDEA.
 * User: maesenka
 * Date: Jan 24, 2010
 * Time: 5:34:40 PM
 * To change this template use File | Settings | File Templates.
 */
public class GeometryCollectionDecoder extends AbstractDecoder<GeometryCollection> {


    @Override
    protected OpenGisType getOpenGisType() {
        return OpenGisType.GEOMETRYCOLLECTION;
    }

    @Override
    protected GeometryCollection createNullGeometry() {
        return getGeometryFactory().createGeometryCollection(null);
    }

    @Override
    protected GeometryCollection createGeometry(SqlGeometryV1 nativeGeom) {
        return createGeometry(nativeGeom, 0);
    }

    @Override
    protected GeometryCollection createGeometry(SqlGeometryV1 nativeGeom, int shapeIndex) {
        int startChildIdx = shapeIndex + 1;
        int endChildIdx = nativeGeom.getEndChildShape(shapeIndex);
        Geometry[] geometries = new Geometry[endChildIdx - startChildIdx];
        for (int childIdx = startChildIdx, i = 0; childIdx < endChildIdx; childIdx++, i++){
            AbstractDecoder<?> decoder = (AbstractDecoder<?>)Decoders.decoderFor(nativeGeom.getOpenGisTypeOfShape(childIdx));
            geometries[i] = decoder.createGeometry(nativeGeom,childIdx);
        }
        return getGeometryFactory().createGeometryCollection(geometries);
    }

}