"alesj" wrote : "remy.maucherat(a)jboss.com" wrote :
| | a) Per JAR annotation scanning. Due to the fact that the order impacts
| | annotations, the deployer should produce a set of attachements keyed by
| | JAR name for web annotations (like what happens for the web fragments,
| | so that way I can merge the fragment metadata for a given jar, then
| | merge the annotation metadata, then move to the next jar in the order).
| |
| This one doesn't look hard to do.
| As we do deployer per all deployment units.
| Meaning all you need to do is create 2 new deployers:
| * one that would collect the fragment info
| * the second one that would apply it
|
I am doing the fragment merging in MergedJBossWebMetaDataDeployer. However, I don't
see any annotation meta data keyed per jar at the moment ;) I think I could use a hand
there.
"alesj" wrote :
| "remy.maucherat(a)jboss.com" wrote :
| | b) The ServletContainerInitializer feature. I have no idea how to handle
| | the @HandlesTypes annotation (reminder: the annotation contains a list
| | of classes, and I need to build a set of Class that are in the webapp
| | that implment, extend, or are annotated by any item in the list of
| | classes).
| |
| Yeah, this one sounds pita. Another performance bottleneck on the horizon.
|
| I see 3 ways of doing this:
| * part of generic scanning (== preparing info for any resource); hence only a single
scan
| * on-demand checking (+ some caching); can be done now, but it's slow
| * another new Jesper's Papaki project for class info (need to check if this could
be part of Reflect)
|
I am in complete agreement that HandlesTypes is the biggest Servlet 3.0 issue. Since a
scan is already done somewhere, it's probably best for speed if it can also handle the
HandlesTypes requirement. I don't know if the first or third option would work best
here though.
That feature is designed for things like easy webservices integration.
"alesj" wrote :
| "remy.maucherat(a)jboss.com" wrote :
| | c) The access control annotations were added to Servlet 3.0, and classes that
extend HttpServlet can have these annotations as method level annotations (on doGet,
doPost, etc; actually all the doXXX methods defined in HttpServlet).
| |
| Easy. Simple AnnotationEnv usage.
Hum, ok. I could use some help too. My question could be if I should continue using the
current stuff. There is the AnnotationMetaDataDeployer, which uses a creator from the
metadata-web project. This could be extended, but Alexey told me to not touch it, since
this was dead stuff. So I'm totally confused.
This is far less urgent than item a). At the moment, Catalina processes these annotations
just fine.
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