[ecf-dev] Re: Using ECF to connect to a session-based JSON-RPC service

[Cole Markham <markhamc@xxxxxxxx>]

Scott,

Thanks for your reply, this was exactly what I was looking for.


Scott Lewis wrote:
> Hi Cole,
>
> Cole Markham wrote:
>   
> > I am interested in using ECF to connect to a JSON-RPC service 
> > (http://qikapi.pbworks.com/).
> > Also the server requires a sessionId to be created and used for all 
> > subsequent api calls. I found a newsgroup post from February of 2009 
> > (over a year ago) which mentioned it would be possible, but wasn't done 
> > at that time.
> >
> > Has any work been done on either of these fronts that I might be able to 
> > leverage?
> >     
>
> In a word, yes.
>
> Last fall the REST API work done during the google soc 2009 was 
> refactored so that it would be possible to create rest providers that 
> could extend or customize the default behavior of the existing rest 
> provider.  Specifically, here are the javadocs for all the ecf apis
>
> http://www.eclipse.org/ecf/org.eclipse.ecf.docs/api/
>
> In the org.eclipse.ecf.remoteservice.rest.client package
>
> http://www.eclipse.org/ecf/org.eclipse.ecf.docs/api/org/eclipse/ecf/remoteservice/rest/client/package-frame.html
>
> Is a class called:  RestClientService
>
> http://www.eclipse.org/ecf/org.eclipse.ecf.docs/api/org/eclipse/ecf/remoteservice/rest/client/RestClientService.html
>
> One thing you can/could easily do is to create a subclass of this class 
> for your own, new, provider, and override the methods in this 
> class...specifically, invokeRemoteCall (which synchronously actually 
> makes the http request and...using httpclient 3.1.0), or methods that 
> are called within invokeRemoteCall.  So, for example, you should be able 
> to specify a given sessionid.
>
> You will likely have to also extend RestClientContainer (because this 
> class creates the RestClientService instance and so the type of 
> RestClientService is bound to the type of the RestClientContainer).  But 
> this is not too much of a problem, given that when creating an ECF 
> provider one typically creates a given type of container anyway.
>   
I'll take a look at this and let you know how it goes.
> Also...BTW...ECF SDK includes the org.json parser code (in the org.json 
> bundle), and we have test code that uses the twitter API/json.  So using 
> json is done very easily...all necessary code is there.
>   
Yes, my colleague, Austin Riddle, is working on getting the org.json 
bundle in orbit.
> If this is unclear or more info desired...or more questions...please 
> move this discussion to ecf-dev at eclipse.org so that (more) others can 
> benefit.  Go here to join the mailing list if you haven't already:
>   
I guess the newsgroup I originally posted to is deprecated, I'll post 
here in the future.
> https://dev.eclipse.org/mailman/listinfo/ecf-dev
>
> Thanks,
>
> Scott
>
>