[oXygen-user] eXist-db in <oXygen/>?

[Joe Wicentowski]

Apologies, I hit send before deleting an incomplete thought in the 3rd
paragraph.  Revised version is below.

On Sun, Dec 29, 2019 at 5:35 PM Joe Wicentowski <joewiz at gmail.com> wrote:

> Hi David,
>
> Let me quote from Adam Retter's response to a similar question on
> exist-open[^1]:
>
> > The issue you have is that the Request object only makes sense when your
> XQuery is run by eXist-db's webserver, this is because the "request" is the
> incoming HTTP request. When running via oxygen there is no HTTP request.
>
> The same factor affects other utilities that talk to eXist via XML-RPC,
> such as eXist's Java Admin Client.  See the attached screenshot.
>
> In the same thread, Roy Walter suggested a workaround: using the
> 3-parameter variant of the request:get-parameter function, in which the 3rd
> parameter instructs the function whether to fail on error or not.[^2]  If
> you change your use of the function to:
>
> ```
> request:get-parameter('story', 'x', false());
> ```
>
> ... then the function will return "x" when it otherwise would raise an
> error.
>
> Best,
> Joe
>
> [^1]: https://markmail.org/message/afds3uvbbouees7a
> [^2]: https://markmail.org/message/offwjsqd46fcofqc
>
> On Sun, Dec 29, 2019 at 10:58 AM David Birnbaum <djbpitt at gmail.com> wrote:
>
>> Dear oxygen-user list,
>>
>> I've constructed an XQuery script for eXist-db that uses the function
>> request:get-parameter(). It works as expected in eXide. I have established
>> a data source connection between <oXygen/> (XML Editor 21.1, build
>> 2019120214, running on MacOS Mojave) and eXist-db (5.0.0) running on
>> localhost, and I can open, edit, and save XQuery scripts from inside
>> eXist-db within <oXygen/>, from which I conclude that the connection is
>> live. Since <oXygen/> apparently cannot use the eXist-db data source
>> connection for debugging, instead of using the <oXygen/> XQuery debugger
>> perspective to run the script I configured a transformation scenario where
>> I specify the localhost eXist-db connection as the Transformer. When I run
>> this script, I get the following error message from <oXygen/>:
>>
>> err:XPDY0002 Variable $request is not bound to an Java object
>>
>>
>> The function is used in a line that reads:
>>
>> declare variable $story_id as xs:string := request:get-parameter('story',
>> 'x');
>>
>>
>> I thought at first that the error might be because the "request:"
>> namespace prefix was not declared and bound (eXist-db declares it
>> implicitly), so I added an explicit namespace declaration for it:
>>
>> declare namespace request="http://exist-db.org/xquery/request";
>>
>>
>> The error remains. The entire XQuery script is below; it retrieves
>> information from a TEI document, based on a user-supplied resource name, if
>> the document exists and returns an error message otherwise.
>>
>> Can someone please help me identify what I have apparently misunderstood
>> about running XQuery scripts in an <oXygen/> transformation scenario using
>> eXist-db as the XQuery transformer?
>>
>> Sincerely,
>>
>> David
>> djbpitt at gmail.com
>> __
>>
>> xquery version "3.1";
>> declare default element namespace "http://www.tei-c.org/ns/1.0";
>> declare namespace request="http://exist-db.org/xquery/request";
>> declare variable $stories as document-node()+ :=
>> collection('/db/apps/neh_06_reading_tei/xml');
>> declare variable $story_id as xs:string := request:get-parameter('story',
>> 'x');
>> declare variable $story_filename as xs:string: = concat($story_id,
>> '.xml');
>> declare variable $story as document-node()? :=
>> $stories[ends-with(base-uri(), $story_filename)];
>>
>> if ($story) then
>>     <TEI>{
>>         $story//(titleStmt/title | text)
>>     }</TEI>
>> else
>>     <error xmlns="">{concat('No such story:', $story_id)}</error>
>>
>> _______________________________________________
>> oXygen-user mailing list
>> oXygen-user at oxygenxml.com
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>>
>
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