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From Nadun Herath <nadunher...@gmail.com>
Subject Re: [AXIS2] Implementing a Javaspaces transport to Axis2
Date Wed, 03 Jun 2009 09:03:48 GMT
Andreas

Thanks a lot for the reply. Looks like Javaspaces do support xml. I am also
studying about Javaspaces at the moment. Main problem I am having is only
limited number of recourses regarding javaspaces are available.





On Wed, Jun 3, 2009 at 2:40 AM, Andreas Veithen
<andreas.veithen@gmail.com>wrote:

> Nadun,
>
> Sounds interesting. Probably you will have to start thinking about two
> fundamental questions:
>
> 1) Axis2 always represents messages as XML (more precisely a SOAP
> infoset). So you need to decide how this mapping will be done. Most
> protocols we already support exchange binary or text messages (a
> notable exception is the FIX transport in Synapse) for which this is
> fairly easy. I don't know much about JavaSpaces, but if it imposes its
> own structure on the messages, then you need to define a mapping to
> and from XML.
>
> 2) You need to analyze how incoming messages would be dispatched to
> services. The existing transports fall into two categories:
>
> - Transports such as HTTP that accept messages on a single "protocol
> endpoint" (a TCP port in the case of HTTP) and than use Axis2
> dispatchers to dispatch to the right service (typically based on the
> request URI).
>
> - Transports such as mail and JMS on the other hand predispatch
> messages: the transport itself maintains the mapping between protocol
> endpoints (email accounts, JMS destinations, etc.) and the services.
> If that is the right model for JavaSpaces, then you can build your
> transport on top of AbstractTransportListener (from the
> axis2-transport-base module in the WS-Commons Transport project).
>
>
> Hope that helps.
>
> Regards,
>
> Andreas
>
> On Tue, Jun 2, 2009 at 15:34, Nadun Herath <nadunherath@gmail.com> wrote:
> > I intend to develop a Javaspace transport to Axis2 as a university
> project.
> > I am really grateful for any suggestions, ideas.
> > Thank you.
> >
> > http://java.sun.com/developer/technicalArticles/tools/JavaSpaces/
>

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