[aerogear-dev] Android library: Are nulls icky

[Kris Borchers]

In JS, there is just an array on the Pipeline/Auth/DataManager object instance that the developer just accesses directly to retrieve the pipe/module/store by name or index. If they reference one that doesn't exist, an error is thrown.

On Oct 25, 2012, at 12:52 AM, Matthias Wessendorf <matzew at apache.org> wrote:

> returning a "null object", which does nothing would be an interesting approach..
> 
> That said, I think on iOS (for now) i stay with the current approach returning 'nil' - if a store,pipe,(auth)module could not be found. I guess JS does the same.
> 
> 
> 
> On Wed, Oct 24, 2012 at 9:03 PM, <supittma at redhat.com> wrote:
> I've added a gist with some pseudo code to describe what I am talking bout.
> 
> https://gist.github.com/1efc515a68e3585817f4
> 
> On 10/24/2012 02:12 PM, supittma at redhat.com wrote:
> > So I try to avoid nulls wherever possible.  In the case of the
> > Authenticator (and Pipeline) API's we have methods get(String name).
> >
> > The obvious thing to do would be to return a null object if the name
> > isn't a known name.
> >
> > Would it be better/preferable to return some kind of default
> > AuthenticationModule (or Pipe) which does nothing instead?
> >
> > Alternatively we could supply a peek(name) method which tests for the
> > name and throw an exception if you call get with a bad name.
> >
> > Just some idle thoughts.
> >
> > Summers
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> 
> 
> -- 
> Matthias Wessendorf 
> 
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