> -----Original Message-----
> From: Aaron Mulder [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, October 08, 2003 7:12 PM
> To: '[EMAIL PROTECTED]'
> Subject: Re: namespace targets
>
>
> On Wed, 8 Oct 2003, Cabrera, Alan wrote:
> > Since we're talking about XML, have we decided on the issue of
> > namespace targets? Am I the only one who thinks that
> modifying Sun's
> > elements and putting them back into Sun's namespace is a
> bad idea? If
> > I am, then why is this a non-issue?
>
> I'm with you, brother!
>
> Among other things, XMLBeans barfed complaining that
> the "geronimo-xxx" DDs duplicated elements in the "xxx" DDs.
> (i.e. we declare "enterprise-beansType" the type and
> "enterprise-beans" the element in the J2EE namespace in both
> ejb-jar_2_1.xsd and geronimo-ejb-jar.xsd). I think it was
> justified. One of the Geronimo DDs is already in its own
> namespace, and I think the rest should follow.
>
> We also need to solve the MxN issue of Geronimo
> releases and J2EE
> versions. Which is to say, if our Geronimo DD extends the
> J2EE DD, it has
> to be different for J2EE 1.2, 1.3, and 1.4, and I think that
> in order to
> pass the compatibility tests we need to eventually support
> all 3. Plus,
> as major Geronimo releases come and go (and presumably add or alter
> features and thus DD elements), we need to distinguish the
> schema sets for
> each release.
>
> Though, perhaps we can always require the Geronimo DDs
> to be written for the most current J2EE release. So even if
> you're deploying an EJB 1.1 EJB JAR, you'd use a "J2EE 1.4"
> geronimo-ejb-jar.xml DD, and we'd just populate any required
> elements or attributes that were not present in the older
> ejb-jar.xml (the mandatory "version" springs to mind). That
> way we'd avoid distinguishing based on J2EE versions, and
> only distinguish based on Geronimo versions.
>
> If we go that way, then we have three options for the
> namespaces and file names (example for Geronimo version 1.0):
>
> Namespace: http://geronimo.apache.org/xml/schema/j2ee
> Schema: geronimo-ejb-jar_1_0.xsd
>
> Namespace: http://geronimo.apache.org/xml/schema/j2ee/1.0
> Schema: geronimo-ejb-jar.xsd
>
> Namespace: http://geronimo.apache.org/xml/schema/j2ee/1.0
> Schema: geronimo-ejb-jar_1_0.xsd
>
> I'd personally prefer one of the latter two, if for no
> other reason that where we started the whole conversation,
> avoiding having multiple files in the same namespace define
> the same elements.
I personally dislike dots in namespace verions and prefer underscores, e.g.
1_0.
Alan
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