/*
 * Copyright (C) 2020-2023 Hedera Hashgraph, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hedera.test.utils;

import com.swirlds.common.utility.CommonUtils;
import org.junit.jupiter.api.extension.ParameterContext;
import org.junit.jupiter.params.converter.ArgumentConversionException;
import org.junit.jupiter.params.converter.ArgumentConverter;

/** Convert hex string to byte array. */
public final class ByteArrayConverter implements ArgumentConverter {
    @Override
    public Object convert(Object input, ParameterContext parameterContext) throws ArgumentConversionException {
        if (null == input) {
            return null;
        }
        final String inputString = ConverterUtils.toStringInstance(input);
        return CommonUtils.unhex(inputString);
    }
}
