import org.codelibs.core.lang.StringUtil;

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

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

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

     */
    public void testToBigDecimal() throws Exception {
        assertNull(BigDecimalConversionUtil.toBigDecimal(null));
        assertSame(ZERO, BigDecimalConversionUtil.toBigDecimal(ZERO));
        assertEquals(new BigDecimal("1"), BigDecimalConversionUtil.toBigDecimal(Byte.valueOf((byte) 1)));
        assertEquals(new BigDecimal("10"), BigDecimalConversionUtil.toBigDecimal(Short.valueOf((short) 10)));

        if (type == Integer.class) {
            return IntegerConversionUtil.toInteger(o);
        } else if (type == BigDecimal.class) {
            return BigDecimalConversionUtil.toBigDecimal(o);
        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);
        } else if (type == Long.class) {
            return LongConversionUtil.toLong(o);