Hello,
2008/9/24 Dennis Sosnoski <[EMAIL PROTECTED]>
> The reason the line number sometimes appears off is because it uses the
> "current" line when the object is created. Usually the object is created
> by unmarshalling a start tag, and because the parser scans the whole
> start tag (attributes and all) at once you'll get the line number for
> the end of the start tag rather than the beginning of the start tag. For
> a simple start tag that's not a problem (though it does mean the column
> number looks off), but if the start tag spans multiple lines the line
> number will also appear off.
My example did not have start tags spanning multiple lines.
I could cache the line and column values, so that I'd have the line and
> column matching the actual start of the start tag. The only reason I
> haven't done that is because it'd be a minor (probably very minor)
> performance hit to do this, and I hate doing anything to slow down the
> runtime.
Is it a tradeoff between speed and correctness ?
> Hmmm. JiBX uses this itself for the binding definitions (and schema
> definitions and customization files, for 1.2), and it is probably
> confusing to people that the reported line number doesn't always match
> the actual line number. Perhaps I should go to caching for 1.2. What do
> the other people using track-source think?
By the way, the web site currently still indicates a date of June 2008 for
1.2 release.
Do you have a new estimation for the 1.2 release date ?
Thanks in advance,
--
Laurent
>
>
> - Dennis
>
> Dennis M. Sosnoski
> SOA and Web Services in Java
> Training and Consulting
> http://www.sosnoski.com - http://www.sosnoski.co.nz
> Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117
>
>
>
> Laurent PETIT wrote:
> > Wow, it's great !
> >
> > I have it worked in minutes ! Thanks !
> >
> > But, one more question please : how does the line count "work" ? It
> > seems to me that while the real line number is 7 (counting from 1),
> > with ITrackSource I get is 8.
> >
> > Is there a logic explanation to this ?
> >
> > Thanks in advance,
> >
> > --
> > Laurent
> >
> > 2008/9/23 Joshua Davies <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>>
> >
> > Yeah, just add "track-source" to your binding declarations:
> >
> > <binding direction="input" track-source="true">
> > ...
> >
> > Then (after parsing) you can cast any of your bound objects to
> > ITrackSource and retrieve document source information:
> >
> > ITrackSource tracker = ( ITrackSource ) boundObject;
> > System.out.println( "This element came from line " +
> > tracker.jibx_getLineNumber() + ", column " +
> > tracker.jibx_getColumnNumber() );
> >
> > On Tue, 2008-09-23 at 15:44 +0200, Laurent PETIT wrote:
> > > Hello,
> > >
> > > Another thing that is currently done on my project that uses JAXB
> is
> > > that at marshalling time, a custom stax listener has been
> > created that
> > > adds "on-the-fly" information to the generated XML : the start line
> > > and column number of some elements.
> > >
> > > (FYI, it is then used as debugging hits).
> > >
> > > Will this be possible with jibx ?
> > >
> > > I yet haven't read all the documentation concerning possible
> > > customization, but if this seems not possible and may be a blocking
> > > argument preventing me from using jibx, your answer could help
> > me save
> > > time ! :-)
> > >
> > > Thanks in advance,
> > >
> > > Regards,
> > >
> > > --
> > > Laurent
> > >
> > >
> >
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