[jdom-interest] Re: XML Schema Validation
edward.kenworthy at exchange.co.uk
Wed May 9 05:49:03 PDT 2001
Ah ! That's interesting, thanks. What happens if the XML document doesn't
conform to the schema ? Does the builder give up or do you end up with a
Document that is flagged as non-conforming that you can still work with ? (I
would prefer the latter as in my app whilst documents do have schemas it is
valid for them to be non-conforming as in incomplete (eg Element foo should
have child bar, but it doesn't yet) but not for them to be invalid (eg
Element foo cannot have a child wibble.) Uhm, hope that made sense.
From: Larry Davies [mailto:Larry_Davies at notes.compaid.com]
Sent: 09 May 2001 13:15
To: jdom-interest at jdom.org
Subject: [jdom-interest] Re: XML Schema Validation
To answer the questions some are having regarding using schemas, the answer
Yes/No. As others have mentioned, JDOM does not in and of itself validate
schemas. The underlying parser (like Xerces) validates the xml document
a schema. I recently had some problems getting my XML document to parse and
validate against a schema using JDOM Beta 6. I got it to work now. You
be using a version of a parser that will validate with schemas. I used
version 1.3.0. FYI, the older version of Xerces 1.2.0 does not work for
validation. To validate the document using JDOM, I believe you must
the builder as follows: SAXBuilder builder = new SAXBuilder(true). In
you must have your XML document point to your schema. The following is a
snippet from my XML document and Schema document.
<?xml version="1.0" encoding="UTF-8"?>
The localhost reference could be your domain name and the mySchema.xsd is
name for your schema document. I believe you may also need to tell JDOM
to use the namespace http://localhost. Not 100% sure on that, but I believe
did not work for me until I did that.
Anyway, there may be other ways, but this worked fine for me.
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