.generate( "{\"status\":\"error\", \"message\":\"" + ex.getMessage() + "\"}")); } } @PUT @Path("/{id}") @Consumes(MediaType.APPLICATION_JSON) public void update(@PathParam("id") int id, String json) { try { Gson gson = new Gson(); Product product = gson.fromJson(json, Product.class); productService.update(id, product); response.setStatus(Response.Status.OK); } catch (Exception ex) { response.setStatus(Response.Status.INTERNAL_SERVER_ERROR); response.setEntity(JsonGenerator.generate( "{\"status\":\"error\", \"message\":\"" + ex.getMessage() + "\"}")); } } @DELETE @Path("/{id}") public void delete(@PathParam("id") int id) { try { productService.deleteById(id); response.setStatus(Response