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Re: Invoking Web Services without proxy classes

From: Steven Gollery <sgollery@cadrc.calpoly.edu>
Date: Mon, 7 Jan 2002 11:00:39 -0800
Message-ID: <004c01c197ad$98d7cb20$97ab3ecf@cadrc.calpoly.edu>
To: "Sanjiva Weerawarana" <sanjiva@watson.ibm.com>, "Francisco Curbera" <curbera@us.ibm.com>
Cc: <www-ws@w3.org>
Sanjiva,

This is very good news for me. Aside from the issue of cost, I always feel
much better when I can find out what's going on under the hood. I'll watch
for the open source version.

Thanks,

Steve


----- Original Message -----
From: "Sanjiva Weerawarana" <sanjiva@watson.ibm.com>
To: "Steven Gollery" <sgollery@cadrc.calpoly.edu>; "Francisco Curbera"
<curbera@us.ibm.com>
Cc: <www-ws@w3.org>
Sent: Monday, January 07, 2002 10:43 AM
Subject: Re: Invoking Web Services without proxy classes


> 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 14:01:04 GMT

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