/*
* 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 org.geotools.filter.text.commons.BuildResultStack;
import org.geotools.filter.text.commons.Result;
import org.geotools.filter.text.cql2.CQLException;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.Point;
/**
* Builds a point using the coordinates of stack that maintain the coordinates made
* in the parsing process.
*
* @author Mauricio Pazos (Axios Engineering)
* @since 2.6
*/
final class PointBuilder extends GeometryBuilder {
public PointBuilder( String stmt, BuildResultStack resultStack) {
super (stmt, resultStack);
}
/**
* Builds a Point geometry
*/
public Geometry build() throws CQLException {
Result result = getResultStack().popResult();
org.geotools.filter.text.commons.IToken token = result.getToken();
try {
Coordinate coordinate = (Coordinate) result.getBuilt();
Point point = getGeometryFactory().createPoint(coordinate);
return point;
} catch (ClassCastException e) {
throw new CQLException(e.getMessage(), token, getStatemet());
}
}
}