import java.math.BigInteger;

/**
 * Utility class for conversions related to {@link BigInteger}.
 *
 * @author higa
 */
public abstract class BigIntegerConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BigIntegerConversionUtil() {
    }

    /**
     * Converts to {@link BigInteger}.
     *
     * @param o
     *            The object to convert

 *
 */
public class BigIntegerConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToBigIntegerForEmptyString() throws Exception {
        assertNull(BigIntegerConversionUtil.toBigInteger(""));
    }

            return FloatConversionUtil.toFloat(o);
        } else if (type == Short.class) {
            return ShortConversionUtil.toShort(o);
        } else if (type == BigInteger.class) {
            return BigIntegerConversionUtil.toBigInteger(o);
        } else if (type == Byte.class) {
            return ByteConversionUtil.toByte(o);
        }
        return o;
    }

    /**