Re: [Exist-open] XIncluding chunks, XUpdating or XQuerying them later

[Adam R. <ada...@de...>]

> Hello guys,
> I need to be able to include xml chunks from several
> entity xml files
> into a a master one that is supposed to be shown to
> users.

eXist has some support for XInclude, although I have never used it so I
cannot provide any guidance here. Perhaps a search of the mailing list
would reveal more...

> Those users should be able to edit the final xml
> file
> but when doing
> so they should be actually updating the chunks.
> 
> With an example:
> 
> books.xml
> --------------
> <books
> <book isbn="foo" author="bar"/
> .....
> </books
> 
> bookstores.xml
> ---------------------
> <bookstores
> <bookstore
> <book isbn="foo" author="bar"/
> ...........
> </bookstore
> </bookstores
> 
> libraries.xml
> ---------------------
> <libraries
> <library
> <book isbn="foo" author="bar"/
> ...........
> </library
> </libraries
>  or <libraries
> 
> A given user updating now libraries realize the
> author
> for isbn "foo"
> is not "bar" but "xar" so whenever he updates
> libraries he should
> actually be updating books.xml.
> I am just trying to reuse any work already done
> about
> this problem. I
> can use XInclude to get the books chunks into the
> libraries and
> bookstores files. I can use XSLT to present a pretty
> form to the user
> and then whenever the user hits submit for a change
> I
> can use XUpdate (As far as I have read eXist     
> implemented an enhancement to XQuery in order to avoid
> XUpdate, so then XQuery  will work as well)
> if I maintain somewhere the XInclude rules just to
> know what to update
> but too much custom code for something that maybe is
> already
> integrated in eXist or is part of a solution based
> on
> eXist.

I suspect that some XQuery or Java code would be needed on your part.

> Generation of the GUI to edit should be done using a
> W3C schema and I
> am wondering if something is not also built within
> eXist for this
> matter.

Chiba has a facility for generating XForms from Schema, I have not used
this yet, but presumably it could submit a xml document back to eXist
that could be stored or used to update an existing document.

Otherwise custom Web GUI's are easy to put together with eXist and
XQuery/XSLT.

> Could anyone point me to a good direction here? 
> 
> Any help highly appeciated. Thanks to you all,
> Nestor Urquiza
> 
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-- 
Adam Retter
Devon Portal Developer

Devon Portal Project
County Hall
Exeter
Devon
EX2 4QD

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