Proposed enhancement: Provide a way to register exception handlers for specific exceptions about rest.vertx HOT 3 CLOSED

Sure ... but this functionality is actually already possible ... for instance ... if you annotate a method with @CatchWith you can list multiple exception handlers:

@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("multi/{bang}")
@CatchWith({IllegalArgumentExceptionHandler.class, WebApplicationExceptionHandler.class, MyExceptionHandler.class})
public String returnMultiBang(@PathParam("bang") String bang) throws ExecuteException {

		switch (bang) {
			case "one":
				throw new ExecuteException(405, "HTTP 405 Method Not Allowed");

			case "two":
			default:
				throw new IllegalArgumentException("Bang!");

			case "three":
				throw new NumberFormatException("WHAT!");

			case "four":
				throw new AbstractMethodError("ADIOS!");
		}
	}

where:

• public class IllegalArgumentExceptionHandler implements ExceptionHandler<IllegalArgumentException> {
• public class WebApplicationExceptionHandler implements ExceptionHandler<WebApplicationException> {
• public class MyExceptionHandler implements ExceptionHandler<Throwable> {

Exception handlers are used as listed ... first one matching the exception will be used.

Same logic applies globally when you register a global exception handler:
RestRouter.getExceptionHandlers().register(IllegalArgumentExceptionHandler.class, WebApplicationExceptionHandler.class, MyExceptionHandler.class); OR
RestBuilder...errorHandler(IllegalArgumentExceptionHandler.class, WebApplicationExceptionHandler.class, MyExceptionHandler.class)

So in your case create two exception handlers ... for each specific exception ...

from rest.vertx.

I see, the exception handler chosen is based on the Parameterized Type of the interface. So I need to create ExceptionHandlers whose type argument match the Exceptions I want to capture.

from rest.vertx.

from rest.vertx.