[Building Sakai] Spring 3 REST features in Sakai 2.9

[Curtis Van-Osch]

Hi,
We're in the planning stages of rewriting one of our Sakai tools 
(OpenSyllabus), and want to use RESTful web services for the back-end 
with a JavaScript front-end client.  We are hoping to deploy this new 
version before upgrading to Sakai 10. I've been looking at using Spring 
to implement the back-end to avoid adding another dependency on Jersey 
or anything else.

I see that Spring 3 includes comprehensive REST support.  Is there any 
way we could take advantage of these new features in Sakai 2.9?
I'm assuming it would not be feasible for our tool to inject services 
from other tools if their Spring versions differ (i.e. Spring 3 for our 
tool and the rest using Spring 2.5.6).  Maybe we could patch our 
installation to get everything on Spring 3 (KNL-517), though it sounds 
like a lot of work/testing that will be pointless after we upgrade.

The last option would be to avoid the new features of Spring 3 and just 
stick with 2.5.6 until we upgrade.  I'm sure it's doable, but I'm still 
researching how exactly that would limit us (looks like some annotations 
where added, and maybe some data conversion).

Any advice or comments would be greatly appreciated!

-- 
<http://www.hec.ca>
	
Curtis Van Osch
Analyste-Programmeur
Service de développement de systèmes d'information
hec.ca <http://www.hec.ca>
Agréments 	
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Téléphone : 514 340-6000, poste 2029

	
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