SAX2: Namespace Processing and NSUtils helper class
tbray at textuality.com
Wed Jan 5 19:59:36 GMT 2000
At 11:45 AM 1/5/00 -0800, David Brownell wrote:
>Tim pointed out the spec only allows a null URI in the case of the
>default namespace declaration: xmlns="".
And when you're doing this, you're saying that there is *no* default
namespace, not that the default namespace is "".
Pardon for flogging this possibly-dead horse, but you have to read the
text of the namespace spec carefully to realise that you just can't ever
have a namespace URI whose value is "". We should have put in a sentence
in section 5.2 saying "Note that as a consequence of this rule, it is not
possible to have a namespace whose value is the empty string."
As a consequence of this, I have suggested that in SAX2, we use ""
to represent the absence of a namespace rather than null. Then you'll
always be able to do
if ((ns != null) && ns.equals(myNamespace))
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