From: Kevin Meyer - KMZ<[email protected]>
Date: Sun, Oct 23, 2011 at 8:16 PM
Subject: Re: Restful Objects spec (v0.41)
To: [email protected]
there is an external
(Joomla) application that can expose objects (that would map onto Isis
domain objects) via a REST interface[1] - represented as either JSON
or XML.
How can I use that REST interface to read (from) and update (to) the
external app?
Hi Kevin,
Just piecing together this earlier mail with your request today for
lightweight RESTful APIs...
Basically, for certain domain objects (the "user" object), the "read" and
"write" must be achieved via REST while for all other domain objects
the default object store would be used, I guess.
...presumably this is the requirement you have?
Does this make sense? Is this possible?
I can see three different places where you might integrate.
1. given that this is for users, you could write an implementation of
the oai.core.runtime.authentication.standard.Authenticator interface?
This would only allow the Joomla user Id to be exposed via UserMemento
2. or, you could write a domain service and inject it into your
Isis-hosted domain objects. The RestEasy client-side support would be
useful here, I would think.
3. or, you could write an object store implementation (probably wrapping
the primary objectstore) so that it would resolve certain objects via
REST. You could use a custom FacetFactory to provide a hint for this OS
to know whether to make a REST call or just to delegate to the underlying.
eg:
public JoomlaObjectStore implements ObjectStore {
public JoomlaObjectStore(ObjectStore underlying) { ... }
public void resolveImmediately(ObjectAdapter adapter) {
if(adapter.getSpecification().containsFacet(JoomlaFacet.class)) {
... make a REST call ...
} else {
underlying.resolveImmediately(adapter);
}
}
}
Hope that helps...
Dan
It would even be acceptable if I could only access the external REST
interface via an Isis service that internally calls the external
application...
Regards,
Kevin
[1] http://techjoomla.com/joomla-extension-news/joomla-rest-api.html
