Initializing XForms Instances with an XForms Submission

Hi all,

I'm new to Orbeon Forms and I'm trying to integrate my backend
WebServices with XForms.

Playing with the demos i found how to make a submission to a
WebService, but i can not found how to load an XForms Instance from
it.

In the XForms Reference documentation there's a topic on this:
http://www.orbeon.com/ops/doc/reference-xforms-ng#d6e3458

But with a TODO body. Bad luck :)

Searching the list archive i have found a possible solution:
http://mail-archive.objectweb.org/ops-users/2005-09/msg00035.html

My question is: ¿Is the solution described in the mail list (September
2005) ok for the actual state of Orbeon or there's a better solution
that can be documented in section 7.4 of the XForms Reference?

If there's a new better solution i can document all of this to fill
the missing documentation.

Thanks. Orbeon is a great tool!!

--
Salut,
====================================
Ricardo Borillo Domenech
Analista/Programador - Servei d'Informàtica
Universitat Jaume I
http://xml-utils.com



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Hi Ricardo,

There are a couple of ways to call a web service:

1. Directly from XForms -- With XForms you can post an XML document to
a URL (your web service endpoint), and access the data returned.

2. Using the Delegation processor -- For this you need to write an XPL
file that calls the Delegation processor, add an entry in your
page-flow.xml for this XPL file, and call it with an XForms
submission.

I recommend you go with the first solution if possible. However,
depending on your web service, it might not work. In particular, it
won't work if you web service uses SOAP 1.1 (instead of 1.2) and
expects an SOAPAction HTTP header. You should be OK if your web
service uses SOAP 1.2. In your model, you will have something that
looks like:

<xforms:instance id="ws-request">
    <SOAP-ENV:Envelope>
        <SOAP-ENV:Body>
            <m:GetQuote xmlns:m="http://ws.invesbot.com/">
                <m:symbol>GOOG</m:symbol>
            </m:GetQuote>
        </SOAP-ENV:Body>
    </SOAP-ENV:Envelope>
</xforms:instance>

<xforms:instance id="ws-response"><dummy/></xforms:instance>

<xforms:submission id="stock-submission" method="post"
        action="http://ws.invesbot.com/stockquotes.asmx"
        ref="instance('ws-request')" replace="instance" instance="ws-response"
        mediatype="application/soap+xml"/>

I hope this helps,

Alex

On 3/2/07, Ricardo Borillo <[hidden email]> wrote:
--
Orbeon Forms - Web 2.0 Forms for the Enterprise
http://www.orbeon.com/



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