/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2016 Open Source Geospatial Foundation (OSGeo)
* (C) 2014-2016 Boundless Spatial
*
* 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.ysld.validate;
import org.yaml.snakeyaml.events.ScalarEvent;
/**
* Validator for Scale
* <p>
* This Validator is stateful, do not re-use it.
*
* @author Kevin Smith, Boundless
*
*/
public class ScaleValidator extends RangeValidator<Double> {
@Override
Double parse(String s) throws IllegalArgumentException {
return Double.parseDouble(s);
}
@Override
protected void validateParsed(Double parsed, ScalarEvent evt, YsldValidateContext context) {
if (parsed.compareTo(0d) < 0) {
context.error("scale denominator must be non-negative", evt.getStartMark());
} else if (parsed.isNaN()) {
context.error("scale denominator is not a number", evt.getStartMark());
}
}
}