import org.codelibs.core.text.DecimalFormatUtil;

/**
 * Utility class for conversions to {@link Long}.
 *
 * @author higa
 */
public abstract class LongConversionUtil {

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

    /**
     * Converts the given object to a {@link Long}.
     *
     * @param o
     *            the object to convert

     * @throws Exception
     */
    public void testToLong() throws Exception {
        assertEquals(Long.valueOf("1000"), LongConversionUtil.toLong("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveLong() throws Exception {
        assertEquals(1000, LongConversionUtil.toPrimitiveLong("1,000"));
    }

    /**
     * @throws Exception
     */

        if (o == null) {
            return null;
        } else if (o instanceof BigInteger) {
            return (BigInteger) o;
        } else {
            final Long l = LongConversionUtil.toLong(o, pattern);
            if (l == null) {
                return null;
            }
            return BigInteger.valueOf(l);
        }
    }

            return BigDecimalConversionUtil.toBigDecimal(o);
        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);
        } else if (type == Long.class) {
            return LongConversionUtil.toLong(o);
        } else if (type == Float.class) {
            return FloatConversionUtil.toFloat(o);
        } else if (type == Short.class) {
            return ShortConversionUtil.toShort(o);

import org.codelibs.core.convert.DoubleConversionUtil;
import org.codelibs.core.convert.FloatConversionUtil;
import org.codelibs.core.convert.IntegerConversionUtil;
import org.codelibs.core.convert.LongConversionUtil;
import org.codelibs.core.convert.ShortConversionUtil;
import org.codelibs.core.exception.BeanFieldSetAccessibleFailureException;
import org.codelibs.core.exception.ConstructorNotFoundRuntimeException;