How to validate @NoNull first then @AssertTrue after

Question

I am trying to validate a simple DTO:

@Data
public class Dto {

    @NotNull
    private Integer anInt;

    @AssertTrue
    public boolean isIntCustomValid() {
        return anInt == 123 || anInt == 999;
    }

}

In my Controller, with @Valid. When anInt is null, isIntCustomValid is still validated and I get this error because anInt is null:

HV000090: Unable to access

If I remove isIntCustomValid, then @NotNull works correctly. I want to validate these separately.

I tried using @GroupSequence and @Groups, which works, but I have to create empty marker interfaces which is does not seem like an elegant solution.

GroupSequence is a correct approach if you want to validate not all in once but by portions. You need these empty interface markers — Andriy Slobodyanyk, Oct 28 '22 at 12:41

Upendra Rai · Answer 1 · 2023-06-07T20:22:49.707

0

If you got HV000090, then should be handle exceptions like this: [Link][1]

@AssertTrue
public boolean isIntCustomValid() { 
    if( (Objects.nonNull(anInt) ) {
           return anInt == 123 || anInt == 999; 
    } 
    return true;
}


 [enter image description here][1]


  [1]: https://i.stack.imgur.com/u8Jpr.jpg

edited Jun 07 '23 at 20:22

answered Jun 07 '23 at 11:24

Upendra Rai

1
2

1

https://github.com/upendra-rai/github-error-page/blob/main/JavaValidationError.java – Upendra Rai Jun 07 '23 at 20:21

How to validate @NoNull first then @AssertTrue after

1 Answers1