How to send a HTTP error for a Java RESTful web service?

Question

I have done this tutorial and now I want to throw an error from this webservice, like HTTP error code 403 or 400.

How can i do this? I noti

Answer 1

You can do it like this.

@GET
public Response check(@QueryParam("username") String username) {
   if (facade.checkUser(username)) {
      return Response.status(Response.Status.NOT_FOUND).build();
   }
   return Response.ok().build();
}