java - 如何在对象的数组属性中添加 Rest 验证？

Question

我需要验证请求 msisdn 数组类型，我正在使用 Spring Boot 的其余验证以及如何在错误消息中添加该值。

我尝试了自定义验证，但找不到任何数组验证。

期望的错误响应

{
    "errors": [
        "Invalid msisdn: 0917854*****",
        "Invalid msisdn: 0936895*****"
    ],
    "success": false,
}

请求正文

{
  "msisdn": ["0917854*****", "0936895*****"],
  "message": "test message",
  "title": "test title"
}

java对象

public class PushNotif {

  //validate this List
    private List<String> msisdn;

    @NotNull(message = "Message is required")
    private String message;

    private String title;

    public PushNotif(List<String> msisdn, String message, String title) {
        this.msisdn = msisdn;
        this.message = message;
        this.title = title;
    }
}

java Controller

@RestController
public class PushController extends BaseController{

    @PostMapping(path = "/push")
    public ResponseEntity<Object> indexAction(@valid @RequestBody PushNotif pushNotif){

        return new ResponseEntity<Object>(null,HttpStatus.ok);
    }
}

错误响应处理程序

@ControllerAdvice
public class CustomExceptionHandler extends ResponseEntityExceptionHandler
{

    @Override
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex, HttpHeaders headers, HttpStatus status, WebRequest request) {
        Map<String, Object> errors = new HashMap<>();
        List<String> details = new ArrayList<>();

        ex.getBindingResult().getAllErrors().forEach((error) -> {
            details.add(error.getDefaultMessage());
        });

        errors.put("details", details);
        errors.put("success", false);
        errors.put("traceid", "aksjdhkasjdhs-akjsdjksa-asjkdh");

        return new ResponseEntity<>(errors, HttpStatus.INTERNAL_SERVER_ERROR);
    }
}

更新:我向我的 java 对象添加了参数约束

 @NotNull(message = "msisdn is required")
    private List<@NotNull(message = "msisdn is required")
                 @Pattern(regexp = "^09[0-9]{9}",
                         message = "Invalid msisdn ${validatedValue}") String> msisdn;

Answer 1

为了验证列表中的值(在本例中值不为 null)，您可以在对象引用类型中添加 @NotNull 注释。

private List<@NotNull String> msisdn;

引用文献 Hibernate Validations for Nested Container Elements