ASP.NET Web API - how can I have one controller that will match ANY route?

Question

I want to create a controller that looks like this:

public class GenericController : ApiController
{
    public string Get() {
        throw new Exception();
    }
}

And I want to invoke this method from any of these URL requests (assuming http://domain/ is the domain):

GET http://domain/

GET http://domain/billy

GET http://domain/susie?whatever=true

(I feel like this should be simple, but I'm unable to accomplish it with any combination of controller and WebApiConfig code.)

Answer 1

You can set your API route to something like this:

 routes.MapRoute(
       name: "API Default",
       template: "{name?}", new { controller = "Api"  });

and then in your controller:

[Route("{name?}")]
    [ApiController]
    public class ApiController : ControllerBase
    {
        [HttpGet]
        public string Get(string name)
        {
            // do something with name 
            return name;
        }
    }

Answer 2

In WebApiConfig.Register() :

config.Routes.MapHttpRoute(
    name: "DefaultApi",
    routeTemplate: "{*url}",
    defaults: new { controller = "Generic" }
);