Emmanouil Batsis wrote:
Hi,
I'd like to add lenya support in URIQA4J[1]. URIQA4J is an implementation of
Nokia's URIQA [2] and exposes metadata of resources as RDF via HTTP. You
could say its WebDAV for metadata.
In URIQA, the client makes a request about a resource via custom HTTP methods
MGET, MPUT and MDELETE, to retreive or update the metadata for it. The
resource is identified by the request URI and the response is usualy an RDF
document. An alternative HTTP interface exists that performs the same stuff
via the usual HTTP methods.
Anyway; URIQA4J usually exposes POJOs as RDF. A "port" to lenya will be a lot
more performant as i will be handling LenyaMetadata (right?) so no need for
reflection and other stuff demanded by arbitrary objects.
The URIQA requests are intercepted by a servlet filter and processed by an
HTTP servlet.
Couple of questions:
* is the metadata API considered stable?
No, there were some discussions recently to make it configurable
which would certainly simplify your implementation.
-- Andreas
* my understanding is that all i have to do to obtain meta for a given URI is
to create a MetaDataManager. How do i do that within the same web context as
lenya? Avalon is unknown territory for me and i cant figure out where i
should get the ServiceManager and Logger from to pass them in the
MetaDataManager constructor.
[1] http://geekologue.com/uriqa4j/
[2] http://sw.nokia.com/uriqa/URIQA.html
Thanks,
Manos
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