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From Clark Richey <>
Subject Re: Groovy and Swagger
Date Wed, 28 Dec 2016 00:26:29 GMT
I'm not a big fan of auto generated code. I use annotation on my Groovy spring rest controllers
to generate swagger docs. 

Sent from my iPhone

> On Dec 27, 2016, at 19:22, Roman Shaposhnik <> wrote:
> Hi!
>> On Fri, Dec 23, 2016 at 7:49 PM, Clark Richey <> wrote:
>> I have very successfully used spring test controllers with swagger. This
>> article explains the dependencies.
> Perhaps I should've elaborated in my original question ;-)
> At the end of the day Swagger is nothing but a static definition for REST
> APIs (now also known as OpenAPI These definition
> can be either YAML or JSON and they are orthogonal to an API implementation.
> Next come the tools that allow one to generate server-side scaffolding
> and client-side
> libraries. In fact, you can actually use a WebEditor to do that. Try
> it on an echo example
> (via File->Open Example in the top left):
> Once you open up that example YAML you can click on Generate Server and Generate
> Client menus in the same top bar. This is where things get interesting.
> If you click on General Client and pick Groovy you'll basically get an
> auto-generated thin
> wrapper around HTTPBuilder. This is my first question -- is this the
> best client Groovy
> code that can be generated from a Swagger description or are there any
> other generators
> I may not know about.
> The Generate Server is more interesting since you don't get Groovy as
> a choice, but you
> do get Spring, JAX-RS and Scalatra as choices. This is my 2nd
> question: for somebody
> who's interested in quick prototyping of a REST backend based on
> Swagger definition
> what would be a recommendation here? Personally, I'd rather have
> something like Boot
> and/or Dropwizard, or anything that's Groovy (I'm not a Web guy --
> hence asking).
> Now, treating Java/Groovy source as a source of truth instead of the
> YAML brings us
> to my 3d question that you actually answered somewhat: is there any
> way to generate
> Groovy REST client  based on the Spring annotations that are sprinkled
> on top of source
> in your example (I'd assume one way to do it would be to ask for
> Swagger YAML/JSON
> to be generated based on those annotations -- but I'll keep my options
> open ;-)).
> Thanks,
> Roman.

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