Modified XML:DB source: Now query URL have following form:
xmldb:dbxml://host:port/db/collection/#/my/XPath
to query collections, and
xmldb:dbxml://host:port/db/collection/resource#/my/XPath
to query resources.
Regards,
Vadim
> -----Original Message-----
> From: Vadim Gritsenko [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, December 22, 2001 11:03 PM
> To: [EMAIL PROTECTED]
> Subject: RE: DB XPath URL syntax
>
> > From: Gianugo Rabellino [mailto:[EMAIL PROTECTED]]
> >
> > Ciao,
> >
> > first of all thanks Vadim for adding the XPathQuery capability to
the
> > XML:DB pseudo protocol as well as for adding the xmldb.jar: this was
a
> > long awaited feature, and I could never find the time to fill in the
> > gap, so your help was really appreciated here :) Besides, your
patches
>
> :)
>
> > also pointed me out a flaw in the AbstractSAXSource implementation:
I
> > fixed the getLastModified() so there is no need to override it from
> the
> > Source.
> >
> > Now, regarding the XPath stuff, I see that support was added
> considering
> > everything that comes after the "?" character in the URL as the
actual
> > XPath being requested. I'm afraid that this might get us some
troubles
>
> That's was first shot, to test how it works. I found urlParameters and
> "seized the moment" :)
>
> > so I'd like to have a final word about this issue. When we discussed
> > about it there were basically two suggestion:
> >
> > 1. use an "Xpointerish" syntax, e.g.
> xmldb:xindice:///collection#/my/XPath
> >
> > 2. use an "xpath" parameter, e.g:
> > xmldb:xindice:///collection?xpath=/my/XPath
> >
> > I like the first one best, since it's much cleaner in design: the
only
> > problem is that this syntax seems to suggest that an XPointer
"query"
> is
> > being done, while what takes place is "just" plain XPath. The second
> one
> > is probably safer, but it seems to me a bit clumsy (not to mention
> that
> > we probably should do some sort of URL encoding on it, shouldn't
we?).
>
> I guess (1) also would require URL encoding, isn't it? But I also like
> this first XPointer-like syntax better.
>
> >
> > Any suggestion? Should we run a vote on it? I'm also wondering if it
> > might be the case to ask the XML:DB community to come up with a
> standard
> > URL syntax for this case.
>
> If I won't hear any objections, I will change code to use "#" :)
>
> Another question: Is it possible to use XPath query on single
resource,
> not collection? I did not found a way yet... (Need to go to eye doctor
> or API is not there? ;)
>
> Vadim
>
> >
> > Ciao,
> >
> > --
> > Gianugo
>
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