public string Increment(string input)
{
if (String.IsNullOrWhiteSpace(input))
{
throw new ArgumentNullException("Null input passed to AlphanumericIncrementor.Increment!");
}
char[] charsToIncrement = _determinator.DetermineCharactersToIncrement(input);
for (int i = 0; i < charsToIncrement.Length; i++)
{
Rule rule = _ruleFactory.GetIncrementRule(charsToIncrement[i]);
charsToIncrement[i] = rule.Increment(charsToIncrement[i]);
}
return(_formatter.Format(input, charsToIncrement));
}
