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/**
 * H2GIS is a library that brings spatial support to the H2 Database Engine
 * .
 *
 * H2GIS is distributed under GPL 3 license. It is produced by CNRS
 * .
 *
 * H2GIS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * H2GIS 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * H2GIS. If not, see .
 *
 * For more information, please consult: 
 * or contact directly: info_at_h2gis.org
 */
package org.h2gis.h2spatial.internal.function;

import org.h2gis.h2spatialapi.DeterministicScalarFunction;
import javax.xml.bind.DatatypeConverter;

/**
 * Convert Hexadecimal string into an array of byte.
 * @author Nicolas Fortin
 */
public class HexToVarBinary extends DeterministicScalarFunction {

    public HexToVarBinary() {
        addProperty(PROP_REMARKS, "Convert Hexadecimal string into an array of byte.");
    }

    @Override
    public String getJavaStaticMethod() {
        return "toVarBinary";
    }

    public static byte[] toVarBinary(String hex) {
        if(hex==null) {
            return null;
        }
        return DatatypeConverter.parseHexBinary(hex.replace("\n",""));
    }
}