users@jaxb.java.net

Re: JAXB Validation project only for JAXB 1?

From: Wolfgang Laun <wolfgang.laun_at_gmail.com>
Date: Tue, 3 Aug 2010 09:46:00 +0200

On 3 August 2010 09:07, Aleksei Valikov <valikov_at_gmx.net> wrote:
>
> Recently I did some experiments. I can imagine a JAXB 2 plugin which
> analyzes the schema and generates JSR 303 annotations which describe
> how the bean must be validated. In this case bean validator may report
> XML Schema validation errors with locations in the object structure.
>

In what way would that be better than the XML schema based
validation?

> However the task is rather difficult.
>

You are certainly aware that validation goes beyond checks of individual
properties of (individual) elements.

Recently I investigated the application of rule based programming
for this task, which is quite satisfying as it permits the definition of
the validation rules in a way that's akin to domain expert language.
And there's practically no limit to the complexity of validation rules.

-W

> Bye.
> /lexi
>
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