I need to process schema-based documents with Saxon where the documents
need to have default attribute values that are only in the schema (these
happen to be DITA documents where the processing depends on the values
of the common class= attribute which normally never exists in instances).
I'm using Xerces as the parser by using these two JVM args:
That makes Xerces the parser but does not, by itself, turn on schema
I added this arg:
But it had no apparent affect. In particular, the default attribute
values were not being passed through to Saxon.
I feel like I should be able to do this completely from the command line
by setting the appropriate JVM parameters but so far I have not been
able to and I'm not sure if it's user error or a missing feature of Xerces.
My fallback was to create a simple subclass of SaxParserFactoryImpl and
set the schema validation property there, which works (I'm now seeing
the default attribute values). But I was really hoping to avoid having
to maintain a custom class (with all the deployment complexity that
implies) if I can do everything from the command line.
My expectation was that I would be able to use JVM args to set all the
relevant Xerces parser properties or, failing that, create a
configuration properties file. But I see nothing the Xerces docs that
suggest either approach is supported.
So my questions are:
1. Is there a way to configure Xerces to do schema validation for
JAXP-based parser users from the command line?
2. If not, why not?
Senior Solutions Architect
"Bringing Strategy, Content, and Technology Together"
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