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an XQuery API for Java

• To: Michael Kay <michael.h.kay@n...>
• Subject: an XQuery API for Java
• From: Burak Emir <Burak.Emir@e...>
• Date: Mon, 05 Jul 2004 16:58:32 +0200
• Cc: xml-dev@l...
• In-reply-to: <20040703100539.GDBJ21846.mta08-svc.ntlworld.com@Turtle>
• References: <20040703100539.GDBJ21846.mta08-svc.ntlworld.com@Turtle>
• User-agent: Mozilla Thunderbird 0.5 (X11/20040208)

Michael Kay wrote:

>>Burak Emir wrote:
>>    
>>
>> do they
>>even have a publically available Java API ?
>>
>>    
>>
>
>FYI, there is a summary of Saxon's XQuery API at
>http://www.saxonica.com/documentation/using-xquery/embedding.html
>
>  
>
Thanks for the link. I used saxon for XSLT transforms, but never looked 
at its API.

So you use XQuery strings, too. Looks like least common denominators are 
what make industry standards.

>To be frank, supplying the query is the easy part. The challenging bit is
>how to return the results.
>  
>
People will probably agree to never agree on a uniform Infoset 
representation in Java (because there is too much to be gained by 
deviating from the Infoset standard, e.g. by omitting the superfluous 
namespace-prefixes).

Why don't you just return a string - I have been told it has very 
pragmatic benefits ;->

More seriously, why don't you return an net.sf.saxon.om.NodeInfo or 
SequenceIterator and let the caller make a wrapper if he wants to?

The query result from Saxon will be in-memory anyways, and isn't every 
XQuery expression returning some tree node (or sequence thereof)?

Burak

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