Preparsing XML Schema data types in Xerces-J 2004-03-15 - By Henry Miller
Another one from the "yet another newbie question" department...
I'm trying to preparse XML schema files and I've hit a snag that I
just cannot figure out on my own.
Using Xerces-J, I'm able to get all the information out, except the
element's data type. In fact, all I can get is the element name and
nothing else.
Given the following XSD snippet:
<element name="PriceRequest">
<complexType>
<all>
<element name="Symbol" type="string"/>
<element name="price" type="float"/>
</all>
</complexType>
</element>
I managed to drill down through the Xerces-J methods and end up in
the XSComplexTypeDecl class when I hit the problem. My code is
complicated (made worse by my toying with it now), but hopefully the
question is simple enough to answer: How can I get the data types out
of the declared elements (as shown above) from the object context
created by XSComplexTypeDecl? what method(s) do I need to connect
together in order to extract it? Is there a 'set' list?
I guess that's three questions. I'm so lost... :-)
I'm able to get the element names from a particle list by parsing a
string that returns all of them using getParticle() in
XSComplexTypeDecl -- probably not the cleanest, but it works. Why
doesn't XSComplexTypeDecl provide types here as well? I'm sure
there's a reason which I don't yet see.
I'm not even sure what is relevant code to clip out for your viewing pleasure.
Any ideas?
--
--Henry
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