[英]Java Validation: Validate an object within an object
I have two objects:我有两个对象:
public class CancelRequest{
@NotEmpty
private String id;
@NotNull
private BookingDetails;
}
BookingDetails object:预订详情对象:
public class BookingDetails{
@NotEmpty
private String bookingId;
}
My class that is responsible for validating the request is CancelRequestValidator
我负责验证请求的类是
CancelRequestValidator
...
import javax.validation.Validator;
...
public class CancelRequestValidator{
...
public void check(CancelRequest request){
Set<ConstraintViolation<NorthAmericaCancelTripRequest>> violations =
validator.validate(request);
...
}
}
how I am performing validation?我如何执行验证?
CancelRequest request = new CancelRequest("id",new BookingDetails(""));
CancelValidator validator = new CancelValidator();
violations = validator.check(request);
The violation should have one entry in it saying bookingId cannot be empty but instead it thinks that the object valid.违规中应该有一个条目,说明bookingId 不能为空,但它认为该对象有效。 I need to do the validation this way because I have some other business validation that I need to perform on this object hence I am using a mixture of javax and custom validation.
我需要以这种方式进行验证,因为我需要对此对象执行一些其他业务验证,因此我混合使用了 javax 和自定义验证。
thanks谢谢
To perform nested bean validation, you need to use the @Valid
annotation on the nested object:要执行嵌套 bean 验证,您需要在嵌套对象上使用
@Valid
批注:
public class CancelRequest{
@NotEmpty
private String id;
@NotNull
@Valid
private BookingDetails;
}
As Eamon Scullion said, @Valid will work for nested validations, dont forget though to use @NotNull for Objects like Date, @NotBlank for text fields, and @NotEmpty for Iterable objects正如 Eamon Scullion 所说,@Valid 可用于嵌套验证,但不要忘记对 Date 等对象使用 @NotNull,对文本字段使用 @NotBlank,对 Iterable 对象使用 @NotEmpty
public class CancelRequest{
@NotBlank
private String id;
@NotEmpty
private List<E> myList;
@NotNull
@Valid
private BookingDetails;
}
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