Custom validation rules and internationalization

[adepue]

I've created a custom Constraint and want the resulting error message (as it appears in a TitledPageApplicationDialog) to be looked up via the standard internationalization message API (aka, I'll put the actual text in my messages.properties file). I did the "let's try this and see if it works" things and had the toString() method on my Constraint implementation return this:

          public String toString()
          {
            return "constraint.myconstraint.name";
          }

I then placed this in my messages.properties:

constraint.myconstraint.name=my constraint message

No dice - "constraint.myconstraint.name" was output rather than "my constraint message". I started to delve into the whole validation error message code, but realized it is quite involved and thought I'd ask here first. How should I go about internationalizing my constraint violation message?

Thanks,
Andy

[Keith Donald]

Andy,

Have your constraint implement TypeResolvable. There is a AbstractTypeResolvableConstraint helper. TypeResolvables automatically get resolved in Spring message sources.

Let me know how it goes. I need to turn my attention to rules validation again - Ollie pointed out several weaknesses as current: for exmample, appropriate rule firing for constraints that effect more than one property.

[adepue]

It worked! Thanks!

- Andy