Re: [Vtd-xml-users] VTD-XML Query

[Din S. <di...@ya...>]

Hi,
I have explored woodstox also,  issue with STAX
parsers that I am having is I need to build complete
xml,
whereas in vtd or sax i can get the fragment and 
write it to a file.
Example
<persons>
<person>
<name>name1</name>
<age>22</age>
<address>address</address>
</person>
<person>
. 
.
</person>

.
.
</persons>

Now I want to put say 10 person records in file 1and
so on, with vtd, i will get the fragment and I will
write that to file, with sax also I can get entire
person record, but with SAX, I don't get the complete
person record. So I have to create a XMLWriter, use,
functions like writeStartElement, writeAttribute, etc.
Basically building the entire structure which is
already there.

Please let me know if there is a way to extract the
complete person record.

Thanks.

--- Tatu Saloranta <cow...@ya...> wrote:

> --- Din Sush <di...@ya...> wrote:
> 
> > Well I only need to split the document and don't
> > need
> > to go back to parsed document, and I don't need
> DOM
> > like functionality. 
> > 
> > Will VTD-XML be still better in this scenario.
> 
> I would suggest that if you do have time, you
> investigate both using VTD-XML, and a Stax
> implementation (such as
> http://woodstox.codehaus.org).
> My feeling is that it all comes down to which one
> API
> you feel more comfortable with, or perhaps whether
> have to use a xml-compliant standard-based solution
> or
> not.
> Both can perform well enough, assuming you are not
> limited by VTD-XML due to main memory requirements.
> Stax memory usage is not linear with document
> length,
> so there are no practical input size limitations.
> 
> If you do end up both approaches, it would be very
> nice to get the performance numbers, since this
> would
> be an actual real-world use case, instead of
> benchmarks. Plus if code is simple enough, perhaps
> it
> could become a benchmark for these types of
> operations?
> 
> > Secondly as the entire document needs to be loaded
> > in
> > the memory, the whole idea of splitting is that I
> am
> > getting "Out of Memory" error won't I get the same
> > error when I am using VTD-XML, than it kind of
> > defeats
> > the purpose. Correct me if I am wrong in the
> > interpretation as I have never used VTD.
> 
> You are correct here. While limit is much higher
> than
> with, say, DOM (2x or perhaps 3x), there is a limit.
> 
> -+ Tatu +-
> 
> 
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