dynamically modifying schemas at run-time

[Oswald Campesato <oc...@yahoo.com>]

Hello, everyone:
 
I'm involved in a new project that consists of an XML schema with
a statically defined set of entities and attributes.  This project will
provide users with a GUI interface that allows users to dynamically
add new attributes to existing entities.  Consequently, the schema
will be updated at run-time with the new user-defined attributes.
 
We originally thought of using JAXB in conjunction with XSDLIB,
but now we're thinking of switching to XMLBeans + XSDLIB.  In
either case, though, it appears that the Java bindings need to be
dynamically generated after each user-initiated updates.  
 
We also looked into using separate schemas for each of the
entities in our system, and then leveraging XInclude in order to
include the entities into a single 'master' schema, but XInclude
didn't seem to work too well:(
 
Has anyone else worked on a project with similar requirements, 
and if so, what approach did you use?  Suggestions welcome...
 
Regards,
 
Oswald
 
 

Re: dynamically modifying schemas at run-time

[Olivier Croisier <Ol...@thales-is.com>]

Did you try working with the "meta-schema" schema ?
ie, the Schema that defines the XML Schema structure ?

-- 
CROISIER Olivier
Software Engineer
Thales IS - ANS
olivier.croisier@thales-is.com

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