dev@jsr311.java.net

RE: JSR311: The best practice to return primitive types from a RESTful service?

From: Liu, Jervis <jliu_at_iona.com>
Date: Wed, 5 Dec 2007 04:48:44 -0500

> -----Original Message-----
> From: Roy T. Fielding [mailto:fielding_at_day.com] On Behalf Of Roy T. Fielding
> Sent: 2007125 4:06
> To: dev_at_jsr311.dev.java.net
> Subject: Re: JSR311: The best practice to return primitive types from a
> RESTful service?
>
> On Dec 4, 2007, at 2:00 AM, Liu, Jervis wrote:
> > I think we do need to support " int someMethod ()", this make it a
> > lot easier when people migrating their existing code to JSR-311.
> > For example, I may have following method in my POJO, it is just a
> > matter of adding extra JSR-311 annotations then I can expose this
> > POJO as a RESTful service.
> >
> > int getEmployeeAge(String employeeName) {
> > ...
> > }
>
> No, that would be encouraging folks to migrate one crappy design
> to another -- it has nothing to do with being RESTful. There is no
> way to "migrate" a POJO design to a RESTful design without completely
> redesigning the service. That is, in fact, the entire point -- design
> the service so that it matches the reality of network-based applications
> instead of doing RPC in yet another inefficient syntax.
>
> ....Roy

Hi Roy, do agree with you that such a design should be not encouraged, it takes time for folks (including myself) from a service-oriented world to think in a resource-oriented way, the spec API should enforce people doing the right way whenever it is possible. However I am not convinced yet that the spec API should prohibit one doing " int someMethod ()" (though we can put a caution in the spec to say this is not a recommended practice). I can always argue "int" itself can be made as a resource, can't I? The spec just needs to make this possibility open to one who has to do this in some edge cases...


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