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From Sylvain Wallez <sylv...@apache.org>
Subject Re: builtin_nodetypes.xml Invalid
Date Mon, 09 May 2005 11:56:31 GMT
Jukka Zitting wrote:

> Hi,
> Sylvain Wallez wrote:
>> I encountered the same problem and tracked it up to finding that 
>> DOMWalker uses an identity transformation from a StreamSource to a 
>> DOMResult to parse builtin_nodetypes.xml. Creative use of JAXP :-)
> You are probably right about this being the problem.
> I'm a big fan of the Transformer interface, but then again I usually 
> work with non-namespaced documents. I didn't realize that this might 
> cause problems with namespaces, but now that you mentioned it this 
> seems like a good explanation for the problems.

I suspect some implementations of the StreamSource -> DomResult identity 
transform to use a SAX parser piped to a DOM builder. And a SAX parser 
doesn't report namespace declarations as attributes unless the 
"http://xml.org/sax/features/namespace-prefixes" property is true, 
whereas its default value is false (see ContentHandler's javadoc). So in 
such cases, the DOM builder receives all start/endPrefixMapping events, 
but not xmlns: attributes.


Sylvain Wallez                        Anyware Technologies
http://apache.org/~sylvain            http://anyware-tech.com
Apache Software Foundation Member     Research & Technology Director

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