Re: [Help-smalltalk] Iliad - asResponse implementation

[Nicolas Petton]

Committed. I also modified the other classes that implemented
#asResponse.

Thanks again :)

Cheers!

Nico

Le dimanche 21 juin 2009 à 16:27 +0200, Stefan Schmiedl a écrit :
> While looking around in Iliad source code, I noticed that
> Object>>asResponse is implemented using Object>>printString.
> 
> Dolphin Smalltalk makes a -- quite useful -- distinction
> between
> 
>   printString   - what the developer wants to see
>   displayString - what the user gets to see
> 
> Since we're living in a console based environment, I guess
> that printString gets exercised quite a lot there.
> 
> So here's my question: How about
> 
> Object extend [
>     asResponse [
>       <category: 'converting'>
>       ^Iliad.Response ok
>           nextPutAll: self displayString;
>           yourself
>     ]
> ]
> 
> Also, I'm seeing that Iliad.Response supports the "usual"
> streaming methods #nextPut: and #nextPutAll. What about
> 
> Object extend [
>     asResponse [
>         | response |
>         <category: 'converting'>
>       response := Iliad.Response ok.
>         self respondOn: response.
>         ^response
>     ]
>     respondOn: aResponse [
>         <category: 'responding'>
>         self displayOn: aResponse.
>     ]
> ]
> 
> I think that this approach could avoid (repeatedly) building
> and printing strings. And it would offer a non-intrusive
> new method #respondOn: to override in subclasses. So I could
> eat my cake and keep it, too: 
> printOn: for console work, 
> displayOn: for (possibly embedded) content representation,
> respondOn: for responding the object
> 
> Note that I'm just venting hot air, as I have yet to write
> my first line of Iliad-related code .-)
> 
> s.
> 
> 
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