[ http://jira.andromda.org/browse/BPM-171?page=comments#action_11817 ]
Wouter Zoons commented on BPM-171:
----------------------------------
I think I have found an easy solution that requires neither of us to implement
anything specific while at the same time not expecting the user to know
bpm4struts internals
suppose 'christmas' and 'easter' are both form fields of type java.util.Date;
currently one would try to do this in a validwhen constraint:
christmas > easter
which wouldn't work because of the reasons you mentioned before, doing
christmasAsDate > easterAsDate
isn't nice either because the 'AsDate' suffix is something bpm4struts specific,
only a convenient accessor
but what if we made use of the Java API instead:
christmas.time > easter.time
I know it looks kinda funny but think about it: using the Java API is fine
because we're dealing with a tagged value here, which is PSM anyway .. assuming
we're using Java is also okay because we're generating Struts code
since the .time property returns a primitive long value the comparison is
bulletproof
what do you think ?
> validwhen doesn't work with java.util.Date
> ------------------------------------------
>
> Key: BPM-171
> URL: http://jira.andromda.org/browse/BPM-171
> Project: Bpm4Struts Cartridge
> Type: Bug
> Reporter: Walter Itamar Mourão
> Assignee: Wouter Zoons
> Attachments: testestruts.zip
>
> The validwhen validation doesn't work with the java.util.Date, since the
> validator uses the toString method, and the java.util.Date.toString() doesn't
> return a string suitable for comparison. Besides that, bpm4struts uses the
> sufix AsDate in date fields, so the validwhen tries to use the String version
> of the form attribute, which isn't suitable for comparison too.
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