Sun provides XML Schema files, no RelaxNG ones.
Even if RelaxNG is far better than XML Schema (it is):
1) We don't have Relax NG descriptors. We would have to *translate* the official, Sun provided, XML Schema files.
2) We don't have tools to map RelaxNG to an object model, or at least not as well tested as the ones existing for XML Schema.
Even tho Relax NG might be better than XML Schema, we don't have to complicate things so much.
Let's use the provided XML Schema files, and a good mapping tool.
Ricardo Argüello
julien viet wrote:
you would have to translate schema to relaxNG first, and relaxNG does validation only. maybe there is a binding tool.
from my experience with schema, XML W3C schema are a big mess,they are ambigous, there is not a formal model underlysing etc.. and relax is cool. But schema are widely accepted (microsost push) and recognized by the industry and J2EE gives all its schema in w3c schema.
IMHO RelaxNG could be the tool to get grip with thiss issue.
bax
Am 15.11.2003 um 06:25 schrieb Ricardo Argüello:
Why not use JAXB, or BEA's XMLBeans?
Since in J2EE 1.4 deployment descriptors are specified in XML Schema, it should be very easy to get an object model from that, using any XML/Java binding tool.
I would be interested in collaborating to code that.
Ricardo Argüello
Alexey Loubyansky wrote:
What are our plans for metadata? I remember various discussions but can we revisit it again? What are the requirements and wishes?
I am facing it right now. I would like to have, say, entity metadata from various sources (ejb-jar.xml, jbossxmp-jdbc.xml) in one place. So, I wrote a very simple frame that reads xml files and constructs the metadata tree. Actually, the metadata tree is built while reading ejb-jar.xml and then populated with other data from jboss.xml and jbosscmp-jdbc.xml.
But I would like to use something common, i.e. server-wide solution if we are going to agree on it.
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