Document that any `@Valid*` annotation triggers validation in the reference manual

[lanicc]

Affects: Spring Framework 4.1.5

spring-framework/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/AbstractMessageConverterMethodArgumentResolver.java

Line 240 in 20d9a1e

protected void validateIfApplicable(WebDataBinder binder, MethodParameter parameter) {

AbstractMessageConverterMethodArgumentResolver#validateIfApplicable

I'm trying to custom an annotation whose name is "Valid", but this method makes my custom annotation can not work as I expected.

[beiranc]

The annotaion which is name "Valid" was already definated, you can check for javax.validation.Valid.
If you want to create a customize validate annotaion, you can Google "How to customize parameter validate annotaion in spring".

[lanicc]

In my opinion, "valid" is just a name. I can use this annotation to validate parameters and do other things. Spring should not use a name to determine its logic. Is there anything special about this name in some rules?

[sbrannen]

Spring should not use a name to determine its logic. Is there anything special about this name in some rules?

Yes, this convention has been in place for a long time. See #17256 (comment) for an explanation of why the convention will remain in place.

In light of the above, I am repurposing this issue to improve the documentation in the reference manual which currently only highlights support for @javax.validation.Valid or Spring's @Validated annotations for triggering validation.

[lanicc]

Yes, this convention has been in place for a long time. See #17256 (comment) for an explanation of why the convention will remain in place.

Will you consider removing this later？

[lanicc]

Thanks for yoyr answer