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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Java NVDL implementation
In that case, I would like :-
Nvdl.Instance.getValidationErrorsAsXml(namespace)
Fraser.
On 07/05/06, bryan rasmussen <rasmussen.bryan@g...> wrote:
> >
> > > But based on this I think that NVDL, without an api to request the
> > > validated stream, will not be seen as useful by the wider community.
> >
> > Well, then whole Java world has a really big problem, because Java
> > validation API introduced in Java 1.5 (JAXP 1.3) performs only
> > validation, nothing more is returned. JNVDL simply uses this API,
> > because it is standard way how to invoke validation.
>
> I'm sure it is, it's the standard way for most validation languages,
> however these languages tend to assume that the complete validation is
> done in the language. NVDL does not do the validation in the language,
> it passes it to other validation engines, basically.
>
> Let's suppose I'm out talking to some people, they tell me: hey, we
> want to extend our xml format a with some stuff from xml format b, but
> to do that we need to edit the schemas and that's a lot of work.
>
> Then I say: oh no, you can just write an NVDL script, it will pass the
> xml in format a to your schemas for format a and your xml in format b
> to your schemas for format b.
>
> This sounds great, only I know that what they actually want is not
> just that validation, but validation, seperation of the namespaces
> that have been tangled, and sending of these things to different
> processes.
>
> So if I tell them, well you can seperate your namespaces out very
> easily this way, and send them to different processes, then the
> natural response of the guy in charge on their side is, okay, once
> I've seperated stuff out why don't I just send namespace a to schemas
> for a and namespace b to schemas for b? What value do I get from NVDL.
>
> And it is at that point that I'm not sure what I should tell him.
>
>
> > Do you have any idea how API that returns outcome of NVDL validation as
> > validated streams your are talking about should look like? I still don't
> > get it.
> >
> It does not actually have to be streams, I just got into talking
> streams cause it seemed someone else was thinking specifically of
> streams, perhaps this made things more difficult to communicate. But I
> would suppose an api would expose something like the following:
>
> Nvdl.Instance.Namespaces - an array of namespaces
> Nvdl.Instance.isValid(namespace) - boolean
> Nvdl.Instance.validatedXml(namespace)
>
> no doubt there would be other things but with this then one could do,
> as per following pseudocode
> variable x;
> for each namespace in Nvdl.Instance.Namespaces
> if(Nvdl.Instance.isValid(namespace)==True){
> x=Nvdl.Instance.validatedXml(namespace);
> DoSomethingWithXml(x)
> }
>
> Even something as trivial as this would, I believe, go a long ways to
> increasing the sellability of NVDL for the hypothetical project
> leader/senior developer type I described above.
>
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