> On 07/07/2011 06:59 PM, Markus KARG wrote:
> > @Ref.condition -- Interesting idea, but the question is, whether
> there will be any other conditions besides "is null"?
> > If not, we can omit that, since null will not get rendered by a JAXB
> marshaller anyways.
>
>
> Think about conditions that control generation & attachment of links
> based on e.g. user security roles, state of the
> resource etc.
I do not see that his is part of the HATEOS topic, but simply the job of the application layer. Hence, we have no need to provide special support for that under the umbrella of Hypermedia support.
> > If there are more conditions, I
> > would be more happy with a Java API than a String based syntax. In
> our application we solved this by the general
> > invention of a "Constraint" interface (which is not HATEOAS
> dependend, but more general like java.lang or java.util
> > things are). This would not only run faster, but also allows to
> syntax-check for typos (which always is hard to find).
>
> Personally, I find EL as a language for conditions practical.
Personally, I hate string based languages, as they are hell to debug.