--- Dirk Schumacher wrote:
> 2 fields/properties to be set on my Action:
> startDate(String)
> endDate(String)
>
> When setting a value first of all the String must be parsed into a Date
> object.
FYI, that can be handled automatically by the framework via type conversion
[1] unless there's some compelling reason to explicitly convert from a
string.
> I'd like to annotate the properties-setters, so an implementing
> validator takes care of the validation.
>
> sth like this.:
> @CustomizableS2Validator ( message="Insuffient Start Date",
> when="before", otherDate="endDate" )
> public void setStartDate(String inDate) {
> date = inDate;
> }
IIRC using an annotation for a custom validator is a bit more complicated
than that because of how annotations work (they can't be subclassed) and
XWork sets things up with regards to validation annotations. You'd probably
have to use @CustomValidator [2].
> Is it possible to customize the parameters of an annotation?
@ValidationParameter [3] sets parameters for @CustomValidator. I find it
pretty unwieldy, but because of the way XWork looks for validation
annotations I'm not sure what the options are at this point. Perhaps somebody
else will have a better solution.
Dave
[1] http://struts.apache.org/2.x/docs/type-conversion.html
[2] http://struts.apache.org/2.x/docs/customvalidator-annotation.html
[3] http://struts.apache.org/2.x/docs/validationparameter-annotation.html
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