A word about customisations and CAM

[stephen.green@systml.co.uk]

Greetings fellow UBL developers and interested parties

I hope folk don't mind me harping on again about
the technologies to use for customisations and
adjuncts for UBL.

I just put a package together for release for the
SystML2 subset for UBL 2 (released under GPL 2
license on sourceForge.org) - plug, plug -
http://downloads.sourceforge.net/xforms4ubl/SystML2.zip
and I note that it is still all formally declared
in W3C XML Schema (XSD) which isn't really right for the task
still.

I note some excellently worded slides from David RR Webber
(hope David doesn't mind me referring to these)
at  
http://www.pesc.org/Events/TechStandards/Fourth/presentations/Scalable%20PESC%20Transaction-Handling%20Using%20OASIS%20CAM.ppt
- especailly useful being the slide about limitations
in XSD in relation to customisations, adjunct files like
codelists and so on.

Maybe we might just stick to Schematron for the extra
requirements, but it might be better to use something
purpose-built like CAM (which is about to go to OASIS
ballot for standardisation it seems).

What I'd really like to see to accompany CAM though is
a tool which creates everything in CAM that is in a
particular XSD schema (like the SystML2 ones or the
full UBL 2 ones) or set of schemas. If the full UBL
schemas were generated again as CAM then I could pare
that down to make a subset and add the codelists as
needed.

Just a thought. :-)

-- 
Stephen Green

Partner
SystML, http://www.systml.co.uk
Tel: +44 (0) 117 9541606

http://www.biblegateway.com/passage/?search=matthew+22:37 .. and voice