final public static function exceptionDriver (int $errorCode=NULL)
	{
		switch ($errorCode) {
			case self::EMPTY_VALUE:
				throw new ErrorHandler("Empty Value.", ErrorCode::EMPTY_VALUE);
				break;
			case self::INVALID:
				throw new ErrorHandler("Value Not Valid.", ErrorCode::INVALID);
				break;
			case self::EMPTY_METHOD:
				throw new ErrorHandler("Method not parsed in RouterEngine.", ErrorCode::EMPTY_METHOD);
				break;
			case self::EMPTY_ARGUMENT:
				throw new ErrorHandler("Argument not parsed to method in RouterEngine.", ErrorCode::EMPTY_ARGUMENT);
				break;
			case self::INVALID_DIR:
				throw new ErrorHandler("Specified directory is invalid.", ErrorCode::INVALID_DIR);
				break;
			default:
				throw new ErrorHandler('Error Not Defined.', ErrorCode::THROW_NONE);
				break;
		}
		return;
	}