WIP

[demos/kafka/demos-kafka-payment-system-transfer] / transfer / src / main / java / de / juplo / kafka / payment / transfer / controller / TransferController.java

diff --git a/transfer/src/main/java/de/juplo/kafka/payment/transfer/controller/TransferController.java b/transfer/src/main/java/de/juplo/kafka/payment/transfer/controller/TransferController.java
index 170d8c8..f7f9ff5 100644 (file)
--- a/transfer/src/main/java/de/juplo/kafka/payment/transfer/controller/TransferController.java
+++ b/transfer/src/main/java/de/juplo/kafka/payment/transfer/controller/TransferController.java
@@ -5,12 +5,17 @@ import de.juplo.kafka.payment.transfer.domain.Transfer;
 import de.juplo.kafka.payment.transfer.domain.TransferService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
 import java.net.URI;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Optional;
 
 
@@ -55,4 +60,17 @@ import java.util.Optional;
             .map(transfer -> ResponseEntity.ok(TransferDTO.of(transfer)))
             .orElse(ResponseEntity.notFound().build());
   }
+
+  @ResponseStatus(HttpStatus.BAD_REQUEST)
+  @ExceptionHandler(MethodArgumentNotValidException.class)
+  public Map<String, String> handleValidationExceptions(
+      MethodArgumentNotValidException ex) {
+    Map<String, String> errors = new HashMap<>();
+    ex.getBindingResult().getAllErrors().forEach((error) -> {
+      String fieldName = ((FieldError) error).getField();
+      String errorMessage = error.getDefaultMessage();
+      errors.put(fieldName, errorMessage);
+    });
+    return errors;
+  }
 }