Is it possible to have strongly typed HTTP request handlers in Restlet?

Question

Consider the following ServerResource derived type:

public class UserResource extends ServerResource {
  @Get
  public User getUser(int id) {
    return new User(id, "Mark", "Kharitonov");
  }
}

(Yes, it always returns the same user no matter the given id).

Is it possible to make it work in Restlet? Because, as far as I understand, the expected signature of the GET handler is:

Representation get();

OR

Representation get(Variant v);  // (no idea what it means yet)

Now I understand, that I can implement the non type safe GET handler to extract the arguments from the request and then invoke getUser , after which to compose the respective Representation instance from the result and return. But this is a boilerplate code, it does not belong with the application code, its place is inside the framework. At least, this is how it is done by OpenRasta - the REST framework I have been using in .NET

Thanks.

Answer 1

You should remove the parameter from the signature

  @Get
  public User getUser() {
    String id = getQuery().getFirstValue("id");
    return new User(id, "Mark", "Kharitonov");
  }

No need to override the get() methods in this case as the @Get annotation will be automatically detected.