juplo.de Git - demos/kafka/training/blob - src/main/java/de/juplo/kafka/ApplicationController.java

   1 package de.juplo.kafka;
   2
   3 import lombok.RequiredArgsConstructor;
   4 import org.springframework.http.HttpStatus;
   5 import org.springframework.http.ResponseEntity;
   6 import org.springframework.web.bind.annotation.*;
   7
   8 import java.util.List;
   9 import java.util.Map;
  10 import java.util.Optional;
  11
  12
  13 @RestController
  14 @RequiredArgsConstructor
  15 public class ApplicationController
  16 {
  17   private final AdderBusinessLogic adder;
  18
  19
  20   @GetMapping("state/{user}")
  21   public ResponseEntity<Long> state(@PathVariable String user)
  22   {
  23     return adder
  24       .getSum(user)
  25       .map(sum -> ResponseEntity.ok(sum))
  26       .orElseGet(() -> ResponseEntity.notFound().build());
  27   }
  28
  29
  30   @ExceptionHandler
  31   @ResponseStatus(HttpStatus.BAD_REQUEST)
  32   public ErrorResponse illegalStateException(IllegalStateException e)
  33   {
  34     return new ErrorResponse(e.getMessage(), HttpStatus.BAD_REQUEST.value());
  35   }
  36 }