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package com.sghd.common.utils.lang;

import java.sql.Date;

public class NumberUtils {

	@SuppressWarnings("unchecked")
	public static  T valueOf(Class resultType, Number value) {
		if (resultType == null) {
			String msg = value.getClass().getSimpleName() + " -> NULL";
			throw new NullPointerException(msg);
		}
		if (resultType == Date.class) {
			return (T) new Date(value.longValue());
		} else if (resultType == int.class || resultType == Integer.class) {
			return (T) Integer.valueOf(value.intValue());
		} else if (resultType == double.class || resultType == Double.class) {
			return (T) value;
		} else if (resultType == boolean.class || resultType == Boolean.class) {
			return (T) Boolean.valueOf(value.intValue() == 0);
		} else if (resultType == byte.class || resultType == Byte.class) {
			return (T) Byte.valueOf(value.byteValue());
		} else if (resultType == long.class || resultType == Long.class) {
			return (T) Long.valueOf(value.longValue());
		} else if (resultType == short.class || resultType == Short.class) {
			return (T) Short.valueOf(value.shortValue());
		} else if (resultType == float.class || resultType == Float.class) {
			return (T) Float.valueOf(value.floatValue());
		} else if (resultType == Number.class) {
			return (T) value;
		} else {
			String msg = value.getClass().getSimpleName() + " -> "
					+ resultType.getSimpleName();
			throw new IllegalArgumentException(new ClassCastException(msg));
		}
	}

}