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From "KUMAR,PANKAJ (HP-Cupertino,ex1)" <pankaj_ku...@hp.com>
Subject RE: XML-RPC and Cocoon (Was: How To map:generate XML that has bee n retrieved from Java without using XSP)
Date Tue, 26 Feb 2002 19:32:17 GMT
> -----Original Message-----
> From: Vadim Gritsenko [mailto:vadim.gritsenko@verizon.net]
> 
> 
> Also I can't be of much help right now I think that the Cocoon<-->WS
> issue is quite important to be addressed, and incorporated into the
> "core". Hence, I'm willing to hear your discussions here, on 
> this list.
> 
> Lurking here,
> Vadim
> 
> 
> > Suggestions?
> > 
> > Matthew

I believe Cocoon and Web Services have a natural fit, especially on the
client side. Conceptually, client side processing is pure XML play: access
WSDL doc. ( an XML document ), create and send the request document based on
WSDL description( an XML document ),  receive and interprete the response
document ( an XML document ). One could even think of additional XML
processing steps like search UDDI to get WSDL, use XML ontologies to perform
XML element translations and so on.

A lot of attention is on creating Java APIs to do these. And these make
sense in the static world where WSDLs don't change and you could hard code
method names and parameters in your dynamic invocation or generate the stubs
during development time.

However, for totally dynamic world of Web Services ( though, I must add --
current generation of marketing folks don't like too much dynamism and are
happy to take WS as a plug-n-paly mechanism for s/w components ) and
Semantic Web, a pure XML approach make a lot of sense.

Cocoon has some pieces like SOAP logicsheet and XScript that are in this
direction but a lot more work is needed.

Server side support requires more thinking. We must come up with an
architecture that leverages both Axis and Cocoon. Axis is good at deployment
of RPC mode Web Services. Cocoon is good at handing huge documents and
transformations. A combination would be quite formidable.

/Pankaj.

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