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Re: Invoking Web Services without proxy classes

From: Sanjiva Weerawarana <sanjiva@watson.ibm.com>
Date: Tue, 8 Jan 2002 00:43:06 +0600
Message-ID: <04bb01c197ab$28de3ea0$c267b809@watson.ibm.com>
To: "Steven Gollery" <sgollery@cadrc.calpoly.edu>, "Francisco Curbera" <curbera@us.ibm.com>
Cc: <www-ws@w3.org>
We're in the process of open-sourcing WSIF .. it will be available
freely soon. Soon is hopefully a matter of weeks!

Sanjiva.

----- Original Message -----
From: "Steven Gollery" <sgollery@cadrc.calpoly.edu>
To: "Francisco Curbera" <curbera@us.ibm.com>
Cc: <www-ws@w3.org>
Sent: Tuesday, January 08, 2002 12:24 AM
Subject: Re: Invoking Web Services without proxy classes


> Paco,
>
> Thanks: WSIF certainly looks like what I need, although the fact that my
> company will need to pay a licensing fee may prevent me from using WSIF in
> production.
>
> Steve
>
>
> ----- Original Message -----
> From: "Francisco Curbera" <curbera@us.ibm.com>
> To: "Steven Gollery" <sgollery@cadrc.calpoly.edu>
> Cc: <www-ws@w3.org>
> Sent: Monday, January 07, 2002 9:41 AM
> Subject: Re: Invoking Web Services without proxy classes
>
>
> >
> > You may want to take a look at the Web Services Invocation Framework (
> > http://www.alphaworks.ibm.com/tech/wsif ); it has a dynamic invocation
> > interface for Web services, based on their WSDL description.
> >
> > Regards,
> >
> > Paco
> >
> >
> > Steven Gollery <sgollery@cadrc.calpoly.edu>@w3.org on 01/07/2002
12:16:14
> > PM
> >
> > Sent by:    www-ws-request@w3.org
> >
> >
> > To:    www-ws@w3.org
> > cc:
> > Subject:    Invoking Web Services without proxy classes
> >
> >
> >
> > All of the code examples that I have seen for WSDL assume that the
> > actual communication between the service user and the service provider
> > take place using proxy classes that have been generated, either at
> > development time or at run time, by developers or (more often) through
> > the use of one of the WSDL-to-Java tools.
> >
> > It seems to me that there may be some situations where (a) it is not
> > possible to create the proxy classes at development time and (b) it is
> > not possible or desirable to generate proxies at runtime. I think it
> > should be feasible to use the WSDL definitions directly to set up the
> > messages, etc, instead of using proxy classes, but so far I haven't seen
> > any code showing this.
> >
> > So: is it feasible for a service user to read WSDL interface and
> > implementation descriptions and then invoke the service without using
> > proxy classes? If not, why not? And if so, can someone point me to some
> > sample code that I can use to get started?
> >
> > Thanks in advance.
> >
> >
> > Steven Gollery
> > sgollery@cadrc.calpoly.edu
> >
> >
> >
> >
> >
> >
Received on Monday, 7 January 2002 13:44:57 GMT

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