Mark,
> On page 51 they write:
>
> "Backing beans have their uses, but they can also be abused.
> You should not use the user interface components as a
> repository for business data. If you use backing beans for
> your forms, you should still use beans for business objects."
see David's answer and my comment here.
The comment on 51 is fine! Since you realy should *not*
use UI-components for data.
In J2EE-Patterns there are Objects called ValueObjects (or
TransferObjekts)
for transfer between the tiers. JSF is in Web-Presentation-Tier.
You have layers like this:
JSP-file containing JSF-Tags *refers* --> BackingBean
BackingBean *uses* TransferObjects ---> BusinessDelegate (uses what else
:-))
Your BackingBean (e.g. customer) has a method the is trigerd after
*submit* (e.g. buttonPressed...)
like:
public String buttonPressed(){
CustomerDataTransferObject dto = new ...();
//copy properties for *this* to dto
j2eeBusinessDelegate.storeCustomer(dto);
...
...
}
HTH,
Matthias
>
> -Mark
>
