Hi,
I think JAXB addresses the Mapping of XML to Java Objects and vice
versa..
All we need to have is the Schema to which our XML files will conform
and JAXB will generate the Java Files for the Types we have specified in the
Schema . Using these Java Files you can Marshal ( Converting Java Objects
into an XML File ) and unmarshal ( Converting an existing XML file into Java
Objects ). JAXB be default performs the validation check. So there is no
need to check whether the XML Files that are generated using JAXB are valid
and well formed . And similarly when unmarshalling an XML file it will
perform the validation and well formedness checks..
For more details refer the following URL
http://java.sun.com/webservices/docs.html
Hope this info is useful..
Regards
Sateesh
-----Original Message-----
From: Dennis Sosnoski [mailto:[EMAIL PROTECTED]
Sent: Monday, April 28, 2003 5:35 AM
To: [EMAIL PROTECTED]
Subject: Re: XML mapping to Java objects
Simon Kitching wrote:
>It's such a shame the author of this article was not aware of Apache
>Digester.
>
I definitely *am* aware of Apache Digester, and mention it in all my
talks on different approaches to working with XML in Java. Digester is a
very useful tool for building structures of objects from XML. AFAIK it
doesn't have any support for going in the opposite direction, though.
That blocks it from consideration as a general data binding tool.
Aside from that issue, I also consider Digester to be a much lower-level
approach to working with XML than the data binding frameworks covered in
the article. Digester basically supports a script-like approach to
working with a parse event stream. The other mapped binding frameworks
are more declarative, where you describe the relationship between XML
and your objects and the framework implements that relationship. The
frameworks using code generation from WXS go even further to hide the
details. These build a collection of "magic" classes that are
convertible to and from instance documents matching the Schema, and your
code only works with the public API of these generated classes.
- Dennis
>...
>
>Digester's main focus is parsing xml configuration files, but it can be
>used for other purposes.
>
>On Fri, 2003-04-25 at 04:54, O'Keeffe, Michael wrote:
>
>
>>This article at DeveloperWorks compares various tools:
>>
>>http://www-106.ibm.com/developerworks/library/x-databdopt/index.html
>>
>>The followup article has some performance comparisons:
>>
>>http://www-106.ibm.com/developerworks/xml/library/x-databdopt2/
>>
>
>
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