Re: XML Schema types to Java

Hi ,
  I havent used this but may use it in near future .Has anyone used 
this tool at the below URL.But it uses the Xerces parser. 
http://sourceforge.net/projects/xsd2cpp/
The above tool supposedly generates a schema parser for a particular 
schema definintion.

If anyone knows of any implementation of a schema parser using the 
pull parser please let me know.In general I want to use the pull 
parser for higher level parsing. So far I have seen a simple XMLRpc 
parser and no more..any clues? 

Vivek




--- In [email protected], "Naresh Bhatia" <nbhatia@s...> 
wrote:
> Dennis,
>  
> Great work! I see that you have put a lot of effort into this.
> Naresh
> 
> 	-----Original Message-----
> 	From: Dennis Sosnoski [mailto:dms@s...] 
> 	Sent: Sunday, March 09, 2003 5:42 PM
> 	To: [email protected]
> 	Subject: Re: [xmlpull-dev] XML Schema types to Java
> 	
> 	
> 	Aleksander Slominski wrote:
> 	
> 	>Naresh Bhatia wrote:
> 	>
> 	>>Anyone know of a good library to convert XML Schema types to
> Java and 
> 	>>back. Specifically I am trying to convert xsd:dateTime to 
> 	>>java.util.Date and back.
> 	>>    
> 	>>
> 	>i would check castor.exolab.org as it must have something 
like
> that 
> 	>implemented and it is actively developed (so well tested) and
> has good 
> 	>open source license (so you can use it in your apps and not
> worry about 
> 	>viral licensing ...) otherwise check also JaxME and other 
XML 
> 	>databinding libraries as there is many of them currently - 
one
> list of 
> 	>available packages is at the end of Dennis Sosnoski article: 
> 	
> >http://www-106.ibm.com/developerworks/library/x-
databdopt2/#resources
> 	>
> 	I don't know how well Castor's code has really been tested - I
> tried a 
> 	few experiments when I was doing my performance tests and 
found
> it 
> 	rejected int values with a leading plus sign ("+3"), which are
> perfectly 
> 	legal in Schema. It looked like they were just using the
> standard Java 
> 	library code for at least this conversion.
> 	
> 	There are quite a few subtle difference between the Java 
library
> 
> 	implementations and the Schema standard. This is especially 
true
> for the 
> 	date/time handling, where Schema calls for a proleptic 
Gregorian
> 
> 	calendar (one that applies back before the actual origin of 
the 
> 	calendar) while Java implements the Gregorian calendar with a 
> 	discontinuity. This abviously won't matter to most people -
> dates from 
> 	1600 and earlier aren't exactly common in modern business
> documents! - 
> 	but it's obviously best to have a library implement the proper
> handling.
> 	
> 	I've got a set of conversions implemented in my JiBX code that
> I've been 
> 	testing in preparation for the upcoming beta. The code is now 
in
> CVS at 
> 	
> http://cvs.sourceforge.net/cgi-
bin/viewcvs.cgi/jibx/distrib/build/src/or
> g/jibx/runtime/Utility.java, 
> 	with the JUnit tests at 
> 	
> http://cvs.sourceforge.net/cgi-
bin/viewcvs.cgi/jibx/distrib/build/src/te
> st/jibx/runtime/UtilityTest.java 
> 	Besides being tested vs the Schema specification (modulo any 
> 	misinterpretations by me), both the int parsing and the
> date/time 
> 	conversions in both directions are considerably faster than 
the
> Java 
> 	versions.
> 	
> 	  - Dennis
> 	
> 	
> 	
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