Ok - so we would need to wrap this ClassFilter in an equivalent Web
Beans API I think, and then use Javassist as you suggest. Any idea how
portable such an approach will be to other app servers?
On 26 Nov 2008, at 18:29, Ales Justin wrote:
This is trivial to do in JBoss5. ;-)
http://anonsvn.jboss.org/repos/jbossas/projects/webbeans-ri-int/trunk/mic...
module.visit(visitor, ClassFilter.INSTANCE, null, urls.toArray(new
URL[urls.size()]));
You only need to replace this ClassFilter parameter.
e.g. some Javassist based filter --> no need to load the class to
inspect it
You could then organize your 'store' accordingly to the filter.
e.g. CombinedFilter(modifier, type, ...) --> push to sub-store
Pete Muir wrote:
> I was talking to Gavin about this, and he suggested that the
> discovery should be more flexible and allow selectors/restrictions
> to be applied to the classes discovered (for example, only abstract
> classes).
> I can only speak about JBoss5, but I suspect this approach is
> common - JBoss allows you to attach a visitor to the deployer and
> allows you to do something with classes it finds (e.g. store them
> in some data structure). This happens before web apps (from the
> Servlet listener) starts.
> The current approach is to discover the resources needed (as
> defined by the spec) and store them in a datastructure, which is
> available later for querying when we boot the Web Beans RI through
> the ServletListener. So, the only way I can see to be more flexible
> is to add the ability to apply selectors to the WebBeanDiscovery
> interface, and index the classes discovered based on selectors in
> the jboss-webbeans integration library. This requires us to define
> the selectors we can use. We already have:
> * Modifier (for discovering abstract classes)
> * TYPE annotations
> are there any others we are likely to need - it is better to define
> these upfront before we do a release of the WebBeanDiscovery API...
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