[jdom-interest] Nested namespaces and attribute prefixes - help?

[Vanessa Williams]

Philip Nelson wrote:

> Sorry, but I can't figure out exactly what you are trying to do or what is
> going wrong.  Could you send some java code?  JDOM version?
> 
> Yes, your myattr attribute will be in the correct namespace if it is parsed
> from a file.  If you are building the document in code, you will have to show
> some examples for us.
>


Hi Philip,

Someone pointed out to me that the latest source from CVS works correctly in
this situation. I tried it and it does indeed. So...problem solved. Thanks
for your help.

Regards,

Vanessa
v.williams at acm.org

 
> --- Vanessa Williams <v.williams at acm.org> wrote:
>> Hi, I've been using JDOM a little, but not extensively. For my purposes it's
>> been fine so far. Unfortunately, I find myself stumped, and after looking
>> through the list archives, feel the need to ask for help.
>> 
>> Let's say I have a document like this:
>> 
>> <a:operation xmlns:a="http://www.someplace.org/myschema.xsd">
>>     <somedata a:myattr="lalala">
>>     ...
>>     </somedata>
>> </a:operation>
>> 
>> So the root element's namespace prefix is "a" and namespace URI is as shown.
>> The <somedata> element has no namespace at all; however the attribute
>> "myattr" shares the namespace whose prefix is "a". As I understand it, that
>> namespace declaration is still "in scope" and this is valid XML (please
>> correct me if I'm wrong!).
>> 
>> Now when I parse the document and use getChild(0) on the root to retrieve
>> the <somedata> element, the namespace for the attribute seems to disappear.
>> When I print the returned child Element (using
>> XMLOutputter.output(Element)), it looks like this:
>> 
>> <somedata myattr="lalala">
>> ...
>> </somedata>
>> 
>> What I really need back is:
>> 
>> <somedata xmlns:a="http://www.someplace.org/myschema.xsd" a:myattr="lalala">
>> ...
>> </somedata>
>> 
>> I tried using getNamespace() on the parent element and then adding that
>> namespace declaration to the element (an act of desperation), and what I got
>> back in that case was:
>> 
>> <somedata xmlns:a="http://www.someplace.org/myschema.xsd" myattr="lalala">
>> ...
>> </somedata>
>> 
>> The declaration was indeed added, but the attribute had still lost its
>> association with it.
>> 
>> I've seen several postings about namespace usage, but none seem to apply to
>> this particular case. Can anyone provide any suggestions? I think I must be
>> missing something basic.
>> 
>> Thanks in advance,
>> 
>> Vanessa
>> v.williams at acm.org
>> 
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