/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.filter.text.ecql;
import java.util.List;
import org.geotools.filter.text.commons.BuildResultStack;
import org.geotools.filter.text.cql2.CQLException;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.MultiPolygon;
import com.vividsolutions.jts.geom.Polygon;
/**
* Builds the a {@link MultiPolygon} using the {@link Polygon} made in previous steps of
* parsing process.
*
* @author Mauricio Pazos (Axios Engineering)
* @since
*/
final class MultiPolygonBuilder extends GeometryBuilder {
/**
* @param statement
* @param resultStack
*/
public MultiPolygonBuilder(String statement, BuildResultStack resultStack) {
super(statement, resultStack);
}
/**
* Build a {@link MultiPolygon} using the polygon node made in previous steps of the
* parsing process.
*/
@Override
public Geometry build(int polygonNode) throws CQLException {
List<Geometry> polygonList = popGeometry(polygonNode);
Polygon[] polygons = polygonList.toArray(new Polygon[polygonList.size()]) ;
MultiPolygon multiPolygon= getGeometryFactory().createMultiPolygon(polygons);
return multiPolygon;
}
}