So I have a google app-engine as the server side engine (Java) + GWT
(Java) as the client working pretty well - www.bharatbyrail.com ; a
question that's going to come up is to allow people to access the
services that are on the server / app-engine side WITHOUT using a GWT
based client; accessing them, say, from another server. They, probably
quite rightly, prefer their own UI /client but want to use the
particular search service I provide and integrate it into their
client.

I want to do all this without making changes on the server side
services - these extend the RemoteServiceServlet class and implement
the specific service interfaces - defined client-side under GWT. Just
mimicking the GWT side of things - i.e. GWT.create(serviceName.class)
and so on is unlikely to work I'd reckon - it probably won't even
compile.

Yet, the server side is *just* a servlet surely; so it seems there has
to be a way.
I can of course put a facade/wrapper round the underlying classes that
fulfill the gwt-specific service to solve this I expect but I want to
avoid that.

Anybody done this ? Ideas ?

Should this be in the general app-engine discussion ?

-skk

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