[JavaSpring] cascaded bean validation not implemented.

[ebelanger]

Description

When activated, Hibernate Bean Validation only applies the first level properties.

Swagger-codegen version

2.2.0

Suggest a Fix

@Valid needs to be added on properties which contains RefProperty, Map of RefProperty and List of RefProperty.

[wing328]

@ebelanger thanks for the suggestion. May I know if you've time to contribute the enhancement? If yes, I can show you some good starting points.

[kenjones-cisco]

If we could just modify #4850 and simply make the following changes:

modules/swagger-codegen/src/main/resources/JavaSpring/beanValidation.mustache
append the following to the end of the file:

   @Valid

modules/swagger-codegen/src/main/resources/JavaSpring/model.mustache
insert after {{#useBeanValidation}}

import javax.validation.Valid;

I've done this previously (recently rebased) at https://github.com/kenjones-cisco/swagger-codegen/tree/features/validation

But since the existing PR has additional testing, the 2 extra lines being added to those templates should handle validation from API through Model.

[wing328]

@kenjones-cisco I've merged #4850 into master. Please submit a PR on top of the latest master so that we can review the enhancement.

[ebelanger]

@wing328 I just opened a PR with the fix. Like I mentioned it only contains template modifications. If you need more testing, I am open to suggestions.