org.geotools.data.hana.converter.BooleanConverterFactory Maven / Gradle / Ivy
Show all versions of gt-jdbc-hana Show documentation
/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2018, 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.data.hana.converter;
import org.geotools.util.Converter;
import org.geotools.util.ConverterFactory;
import org.geotools.util.factory.Hints;
/**
* Converter factory for converting Short objects to Boolean objects.
*
* In HANA, ResultSet#getObject will return a Short object in case of boolean fields.
*
* @author Stefan Uhrig, SAP SE
*/
public class BooleanConverterFactory implements ConverterFactory {
@Override
public Converter createConverter(Class source, Class target, Hints hints) {
if (Short.class.equals(source) && Boolean.class.equals(target)) {
return new Converter() {
@Override
public T convert(Object source, Class target) throws Exception {
if (source == null) {
throw new IllegalArgumentException("source must not be null");
}
Short s = (Short) source;
if (s.shortValue() == 0) {
return target.cast(Boolean.FALSE);
} else if (s.shortValue() == 1) {
return target.cast(Boolean.TRUE);
} else {
return null;
}
}
};
}
return null;
}
}