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From Ted Husted <>
Subject Re: Proposal for Validation Framework
Date Sat, 01 Dec 2001 18:52:16 GMT

The framework has been used in production applications, and has proven
useful. It is already under the ASL, and in a Jakarta CVS, so it's just
a matter of moving the package over, as was done with BeanUtils,
Collections, and the Digester. 

David has been an active Struts committer for some time, and so
breveting him as a Commons committer is easy enough.

David Winterfeldt wrote:
> This validation framework was made to work with Struts
> originally, but it will work on any JavaBean.  So in
> some discussions we thought that it might be nice if
> it was in commons so more people would know about it
> and can use it.  Also there could be more examples of
> making it work with other frameworks than Struts.
> Here is a brief description of the project and the
> link to the site where it is posted (which has
> documenation posted on it).
> The Validation Framework was made to work with Struts
> although it can be used to perform validation on any
> JavaBean (by using the Validator class). It can
> perform basic validations to check if a field is
> required, matches a regular expression, email, credit
> card, and server side type checking and date
> validation. Different validation rules can be defined
> for different locales. The framework has basic support
> for user defined constants which can be used in some
> field attributes. The validation routines are
> modifiable in the validation.xml file so custom
> validation routines can be created and added to the
> framework.  JavaScript can be auto-generated that
> matches the server side validation.  The current tag
> (JavascriptValidatorTag) relies on Struts, but could
> be abstracted to generate Javascript for other
> frameworks.
> Validating Outside of Struts
> Let me know if there are any questions.
> David Winterfeldt

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