DTD in Project X TR1

DTD in Project X TR1

Post by Sean Bechhof » Fri, 19 Mar 1999 04:00:00


I'm using XML to represent some bits of data that I'm passing between
a server and a client. They're actually bits of abstract syntax tree
representing some expressions, but that's not really important here. I
have a DTD which describes what the format of the expressions should

So my XML data looks something like:

<?xml version="1.0"?>

I have a couple of questions.

1) I'd like to validate the XML. How do I get the parser to look the
DTD up in some external catalogue? Say I know that the DTD is
available from:


I guess I use an EntityResolver, but I'm not quite sure how I go about

2) I don't want to go away and have to look the DTD up *every* time I
get one of these things to parse, so is there a way I can pull the DTD
in once and then pass the parser some kind of in-memory object
representing the DTD?

I'm using Sun's Project X Technology Release 1 along with JDK
1.2. Thanks in advance for any assistance.


        Sean B

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