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My project is organized in layers like

  • Configuration
  • Controller
  • Service
  • Repository
  • Domain

Our REST Controller is in the Controller layer. We need to connect to another API via REST calls and I'm not sure if I should make a new Controller or do it in the Service layer.

I'm going to implement the REST calls with Spring's RestTemplate.

The way our API will be used is like this:

  • REST call is made that goes through our REST endpoint.
  • Our REST endpoint will call the third party API (either by calling another controller method or a service method).
  • We will then do a conversion between our format and the third party format
  • Then we will return the JSON of our format back to the client
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I would put it into the Service layer. It doesn't make sense for you to do it in a NEW Controller. You can even do the remote call directly in your controller if you are sure that other controllers don't need to do a similar thing.

  • don't put it in a controller, you can never be sure – NimChimpsky Jul 28 '14 at 12:21

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