That's OK,
although I want to clarify that they are related matters as what I was
suggesting has to be also reflected in client validation.
Pretty much the use case would be the following: The framework detects if
there is any JSR-303 provider in the classpath, if so it uses all your JPA
annotated pojos that are binded to any form, so the stripes taglibs would
generate client validations at jsp rendering time. Somehow this client
validation should be able to be cross-javascript-framework sort to speak.
Although I reckon that jQuery is the de facto standard here. Once the form
is submitted the system detects if the form backing bean is a persisted
object with JPA annotation and perform the validations among other
validations you may have. This way you don't need to repeat your DB backend
related constraints using the custom Stripes validation annotations. IMHO it
would be a very agile and convenient feature.
Cheers mate,
Angel.
Nikolaos Giannopoulos wrote:
Pakin,
Welcome to this mailing list. It's great that you are interested in
collaborating.
I totally agree that Stripes needs work in the Validation area on the
server side... and any thoughts would be welcome.
However, this specific thread is about how to hook in client side
validation so as to pre-validate form input so as to improve the user
experience, reduce server load, etc... . I don't believe JSR-303 has
anything to offer here? Does it?
ASIDE: Feel free to start a new thread on JSR-303 Validation. In fact,
if you look in the archives someone provided some code (although I don't
recall the details, how thorough it was, etc...). Again, I don't get me
wrong but I think another thread might be very worthwhile... .
--Nikolaos
Pakin wrote:
Hi all,
I am new in town and I would like to collaborate...
I think that validation-wise, it would be more interesting trying to
tackle
the issue of: how to integrate Stripes server and client validation with
JSR-303
Frameworks like Spring MVC 3 or Loom already have it and I think it is
indeed a competitive advantage over Stripes.
I think Stripes validation should adopt JSR-303 because it is standard
and
most of the constraints to be validated come from the database and
currently
with stripes you have take care about those explicitly.
You can find more information about what Spring MVC does here:
http://static.springsource.org/spring/docs/3.0.0.RC3/spring-framework-reference/html/ch05s07.html
http://static.springsource.org/spring/docs/3.0.0.RC3/spring-framework-reference/html/ch05s07.html
Cheers,
Angel.
Nikolaos Giannopoulos wrote:
Hi,
I noticed the following page which shows how to integrate Stripes w/
client side validation via JQuery:
http://www.stripesframework.org/display/stripes/Validation+Reference#ValidationReference-Usingthe{{fieldmetadata}}tag
Has anyone done anything similar w/ MooTools?
If so, was it a rewrite of Aaron's code or did it hook into MooTools
Form Validation?
And if so - anything shared would be appreciated.
We are debating whether to do this now (though are short on time - what
else is new) but anything that accelerates that could help us and in
turn we would post it back to the community. I also realize the effort
isn't huge but JQuery notation is new to me and doing this right w/
MooTools and classes will result in a pretty extensive re-write I'm
afraid.
Lastly, this is probably a stretch but did anyone solve the localization
issue in all of this i.e. localized error messages exist in resource
bundles on the Stripes server side yet the messages need to be
accessible to provide the correct message to the user... Ajax is one
possibility... using a generic set of translated messages is another...
but all don't appear optimal.
Much Appreciated.
--Nikolaos
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