[jdom-interest] possible bug with nested namespaces

[John Caron]

same problem, output is

<?xml version="1.0" encoding="UTF-8"?>
<test xmlns:blob="http://www.w3.org/1999/blob">
     <e1 blob:href="#htn_sst_decloud" />
     <wipeout>
         <server type="DODS" ID="this" 
blob:href="html://thredds.unidata.ucar.edu:8080/dodsC/" />
     </wipeout>
     <e1 href="#htn_sst_decloud2" />
</test>


philip.nelson at omniresources.com wrote:

> Yep, that is a problem.  I'll see if I can find a few spare moments to
> reproduce it.  Could you do me a favor and rerun it changing the xlink
> prefix to something else?  I seem to remember some special casing for xlink
> (but could be wrong on that).
> 
> 
>>Original:
>>
>><test xmlns:xlink="http://www.w3.org/1999/xlink">
>>   <e1 xlink:href="#htn_sst_decloud"/>
>>   <wipeout xmlns:xlink="http://www.w3.org/1999/xlink">
>>     <server type="DODS" ID="this" 
>>xlink:href="html://thredds.unidata.ucar.edu:8080/dodsC/"/>
>>   </wipeout>
>>   <e1 xlink:href="#htn_sst_decloud2"/> <!-- NOTE xlink namespace -->
>></test>
>>
>>After parsing:
>>
>><?xml version="1.0" encoding="UTF-8"?>
>><test xmlns:xlink="http://www.w3.org/1999/xlink">
>>   <e1 xlink:href="#htn_sst_decloud" />
>>   <wipeout>
>>     <server type="DODS" ID="this" 
>>xlink:href="html://thredds.unidata.ucar.edu:8080/dodsC/" />
>>   </wipeout>
>>   <e1 href="#htn_sst_decloud2" /> <!-- HERES THE PROBLEM - the xlink 
>>namespace removed !! -->
>></test>
>>
>>Yes, I see what you are saying, that the namespace 
>>declaration has been 
>>removed from the <wipeout> elemnt.
>>
>>But the problem is on the second <e1> element, where the 
>>xlink: prefix 
>>has been removed from the href attribute. This makes the 2 docs not 
>>equivalent.
>>
>>I retested with xerces 1.4.3 with same result.
>>
>>
>>
>>philip.nelson at omniresources.com wrote:
>>
>>
>>>>When nested elements declare the same namespace, it appears 
>>>>that when the
>>>>inner element is done being processed, the namespace on 
>>>>
>>other elements
>>
>>>>contained in the outer element is lost.
>>>>
>>>>
>>>I think that you may be confusing a namespace and a 
>>>
>>namespace declaration.
>>
>>>You did lose a namespace declaration.  However the input and output
>>>documents are equivalent.  JDOM does move namespace 
>>>
>>declarations up to the
>>
>>>outermost necesary element.  In fact JDOM doesn't keep 
>>>
>>track of where
>>
>>>declarations occur so the "problem" is that when 
>>>
>>xmloutputter is used, it
>>
>>>has to create the declarations as needed.  
>>>
>>>
>>
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