Re: [webbeans-dev] Web Bean discovery

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... >> _______________________________________________ >> webbeans-dev mailing list >> webbeans-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/webbeans-dev > > _______________________________________________ > webbeans-dev mailing list > webbeans-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/webbeans-dev _______________________________________________ webbeans-dev mailing list webbeans-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/webbeans-dev