Re: [Springframework-developer] Commons-Validator for Spring

[Keith D. <kd...@cs...>]

Daniel,

I can take a look at it.  I'm curious if it is feasible to use the same
declarative validator design we're developing and apply another mechanism
(adapter) for configuration from commons-validator's format.  That'd be
nice, because we could use the same framework for all sources of
configuration.  I know I am already doing this in my implementation on my
system as I use Spring IoC for configuration, while Seth uses attributes.
But that might prove to be too much work, and that your way is better
overall.  I really can't say yet.

commons-validator handles javascript validation client-side, too, right?
Your adapter enables that? I know that's one area we have not addressed.
Keith

----- Original Message ----- 
From: "Daniel Miller" <mi...@pa...>
To: <spr...@li...>
Sent: Friday, March 05, 2004 12:10 AM
Subject: RE: [Springframework-developer] Commons-Validator for Spring


> Seth and Keith,
>
> Did you get a chance to look at my commons-validator adaptor? I was
> wondering if you had any feedback? Feel free to tell me that it sucks, or
> that it was so elementary that you didn't want to waste any more time
> talking to me about it :)
>
> I don't know much about commons-attributes, but from what I've been
picking
> up between the lines on your recent validator-related posts it's quite
> different from the commons-validator approach. The main difference seems
to
> be that validation meta-data is expressed directly in the source of the
bean
> to be validated, while the commons-validator approach uses the
> validation.xml file to hold all of that meta-data.
>
> Your attributes validator sounds a bit more powerful than the commons
> validator, but many of the objects that I want to validate are generated
(by
> Middlegen) and I have no way of adding meta-data to the objects without
> modifying the generated code. Of course, I could just write a wrapper for
> each object that I want to validate, but I might as well just write a
> validator class for each object. That being said, I think there is room
for
> both an attributes validator and a commons validator in the Spring
> framework.
>
> The main thing I am interested in knowing is the patch that you (Seth)
> posted to allow message resources to be nested (as arguments) in another
> message resource. Do you have any idea how soon this will make its way
into
> a Spring release or should I just get the source and build it in for my
own
> use?
>
> Thanks,
> Daniel
>
> -----Original Message-----
> From: spr...@li...
> [mailto:spr...@li...]On Behalf
> Of Daniel Miller
> Sent: Tuesday, March 02, 2004 12:19 AM
> To: spr...@li...
> Subject: RE: [Springframework-developer] Commons-Validator for Spring
>
>
> Seth,
>
> That looks great. This would make my validation support super easy to
> implement. You can grab my current source here:
>
>
http://www.paonline.com/millerd/Spring-commons-validator_no-dependencies.zip
>
> I have not had time to write up a good example, tests, or complete the
> documentation. Hopefully I will be able to do this soon.
>
> Thanks,
> Daniel
>
>
> Original Message: -----------------------------------------------------
>
> | (2) Improve the handling of Errors objects to allow message resources
> to be
> | specified as arguments that would not be resolved to their corresponding
> | messages until reaching the view. I really like this solution, but I
have
> | not thought it through completely. One more note: since the errorArgs
> | parameter is an array of Objects (not an array of Strings), maybe there
> | would be a way to use a "Message" object that would be resolved at a
later
> | time, while preserving the current functionality of Strings that are
used
> | directly as arguments. For all I know, there is already a way to do
> this (it
> | seems logical enough), and I just don't know about it. This J2EE stuff
> is so
> | hard to keep up with...
>
> Daniel,
>
> I just posted a simple patch w/ unit test for the functionality we've
> discussed.  Please review and see if it meets your needs.
>
>
http://opensource.atlassian.com/projects/spring/secure/ViewIssue.jspa?key=SP
> R-56
>
>
> Seth
>
>
>
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