I was doing some validation inside a CFC 'bean' and wanted to validate
the email address.

I didn't want the email validation inside the bean itself as I know
I'll be needing email validation in other beans very soon.

I was going to put the email validation method in a generic
'validation utilities' cfc and compose it into my beans that needed
it.

I then remembered something from the Kent Beck book on Test Driven
Development where he mentioned he made a class called 'Money' that
acted almost like a custom data type with basic behaviour. He said
small objects were not only acceptable, they were desirable (or
something along those lines).

Bearing this in mind I think maybe a simple bean called Email that can
be injected into other beans that need it and only methods it would
have was a getter, a setter and validate()

I'd be interested what others think about this. Is it a good way to go
or is it overkill?


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