public static Employee ParseLine(String line)
        {
            if (String.IsNullOrWhiteSpace(line))
            {
                throw new InvalidOperationException();
            }

            var parts = SplitLine(line);

            return(new Employee(
                       DateOfBirth.From(parts[2]),
                       new EmailInfo(parts[1], parts[3])
                       ));
        }