[Opensource] http request as xml instead of http parameters?

Michael Rimov rimovm at centercomp.com
Fri Dec 13 14:25:59 PST 2002


At 12:33 PM 12/13/2002 -0600, you wrote:
>I know little of SOAP, except the basic concepts. I've seen that you can
>bind SOAP to email protocols. Does this mean Expresso WebServices could
>handle the xml email communications (or other protocols) transparently to my
>application?

Theoretically possible yes. :)  There are several types of webservice 
messages.  The issue here, however, is that currently, Expresso webservices 
is built on request->response types of messages. [As opposed to request 
only].  This makes sense in the scope of the project since there isn't an 
Expresso Controller right now that doesn't generate some sort of response.

A good future integration point would be integration with Expresso jobs in 
a 'request only' fashion.  However, using the request/response mechanism, 
you can still queue a job if you want to using the Queue Job controller.

Anyway,  AFAICT, Axis officially supports JMS and HTTP transports. POP3 and 
SMTP message protocols are in the works, but I do not think that it is 
complete yet.  There is a sample where you write your own transport layer 
via raw sockets. So other than the limitation mentioned above The transport 
is otherwise independent of the Expresso webservices code. So there are 
quite a few possibilities.

Hope this clarifies things!
                                                 -Mike





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