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From thomas.che...@ascentialsoftware.com
Subject RE: [WSIF] [PROPOSAL]Additional contribution ... JCA (J2C) provid er
Date Wed, 30 Oct 2002 15:31:20 GMT

I checked quickly on http://alphaworks.ibm.com without finding any
documentation about the JCA provider for WSIF.
Any idea where I can find that?

We are currently creating an application (J2EE application with embedded
Axis) to allow an end user to expose some pieces of our existing
application(s) as Web Service (the J2EE application will create new Web
Services). So far, only SOAP over HTTP is supported, but we start getting
some request for a java interface which is not going through HTTP and the
SOAP marshalling/unmarshalling. We are currently considering some type of
EJB interface to the service.

We are starting to seriously consider the use of WSIF to generalize the idea
but I am trying to understand the scope of WSIF and if anyone else is doing
similar things that I should look at, if this is something that will be
standardized at some point.
Here is a first set of questions I am trying to answer. Any help will be
appreciated.

1) When writing a new WSIF provider, does is also mean defining the
corresponding WSDL extension (like the EJB ones that I saw in Axis
documentation)? This is why I wanted to get some documentation on the JCA
provider to see if it defines this part as well.

2) If WSIF implies WSDL extensions, who (if anyone) is working/pushing to
have those extensions standardized? Any vendors?

3) Does implementing a WSIF provider also mean the creating of some type of
tool like WSDL2Java (or may be an update to this tool) to understand the
WSDL extensions and generate the client and/or server stubs/skeleton?

4) WSIF is a pure Axis/alphaworks project so far. Any actions to make it
some kind of a standard?

Some of those questions might not make too much sense as I am just starting
to educate myself on WSIF.

Thomas


-----Original Message-----
From: Sanjiva Weerawarana [mailto:sanjiva@watson.ibm.com] 
Sent: Wednesday, October 30, 2002 9:47 AM
To: axis-dev@xml.apache.org
Subject: Re: [WSIF] [PROPOSAL]Additional contribution ... JCA (J2C) provider



+1! Very nice indeed ..

Sanjiva.

----- Original Message -----
From: "Jeremy Hughes" <Jeremy.Hughes@uk.ibm.com>
To: <axis-dev@xml.apache.org>
Sent: Wednesday, October 30, 2002 5:19 PM
Subject: [WSIF] [PROPOSAL]Additional contribution ... JCA (J2C) provider


> Hi
>
> [Apologies if you have this more than once.]
>
> A team in IBM (Piotr Przybylski, Michael Beisiegel and Hesham Fahmy) 
> have developed a JCA (J2C) provider for WSIF. They would like to 
> contribute this code to the xml-axis-wsif project.
>
> The WSIF Extensions for J2EE Connector Architecture (J2C) allow 
> Enterprise Information Systems (EIS) to provide the following:
>
> * Modeling of interactions with the EIS as services, using WSDL.
> * Execution of interactions with the EIS using WSIF.
> * Implementation of the Import Service that exposes EIS metadata in 
> WSDL.
>
> Piotr's HTML architecture document which describes the provider in 
> more detail is in CVS along with the code and sample adapter under:
>
> xml-axis-wsif/proposals/jca/
>
> This is a significant enhancement to WSIF which enables web services 
> client programs to call EIS applications via J2C using the WSIF model.
>
> I propose:
>
> a) we accept the provider & sample into the xml-axis-wsif source tree
> b) to continue development and support the provider, we add Piotr, 
> Michael and Hesham as committers to xml-axis-wsif
>
> Please send your comments and votes.
>
> Thanks,
> Jeremy

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