spring - Where to format non-standardized data into a standard format (View, Service, or DAO layer)? -


i using spring mvc presentation layer, , using spring service , dao layers. format data in view layer of mvc (in case jsps), if data retrieved database not in standardized format?

for instance, pulling phone numbers 1 of company's databases, potentially in format (111)-555-1234 or 1115551234, etc. seems functionality , processing place in jsp/view layer. prefer put of numbers in same format somewhere else , re-format on view. should format in situation - service layer? dao?

this allow me take advantage of libraries not potentially call jsp (or not make sense call jsp).

thanks!

i have dao query methods remove formatting characters phone numbers, , have presentation layer give them consistent format (probably in jsp tags). not fan of putting business logic in daos, seems extremely data-related.

(actually if formatting code first removes pre-existing formatting before doing own formatting, might able without removing formatting characters anywhere else. having things in canonical form.)

as alternative putting formatting-char-removal in dao, if using hibernate can create custom user types remove or insert formatting characters phone number attributes.


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