RE: [JETSPEED 2] using commons Digetser/Betwixt as an eventual re plac ement for Castor

["Weaver, Scott" <Sw...@rippe.com>]

> i work on both betwixt and digester. betwixt does some pretty cool and
> complex stuff but is still very much an alpha. i'd recommend sticking with
> digester.
>

Thanks, I definitely want to use betwixt.  I think some more extensive documentation, or just more examples would be helpful.  Plus it would nice to know what all you can do within the .betwixt file.  Right now, it is not very clear what the full syntax of the .betwixt file is.  However, could I not use the same rules I created for my digester within the BeanReader, since BeanReader actually implements Digster, correct?

Maybe if I have sometime, I could send you what my digester implementation looks like and you could give me some tips on converting it to betwixt.

> if you need a generative mapper (start-from-schema rather than
> start-from-java) then you might like to look at xml-beans (but it's
> probably more complex than digester).

I looked at xml-beans, even went as far as to run the generator over the portlet.xml schema.  It seemed to me to be overkill, plus I couldn't find an easy way to integrate xml-beans with an existing object model.


Regards,
O-------------------O
| Scott T Weaver    o---------------O
o-------------------o               |
| Apache Jetspeed Portal Project    |
| Apache Pluto Portlet Container    |
o-------------------o               |
| weaver@apache.org o---------------O
O-------------------O

> -----Original Message-----
> From: robert burrell donkin [mailto:rdonkin@apache.org]
> Sent: Monday, October 13, 2003 3:52 PM
> To: Jetspeed Developers List
> Subject: Re: [JETSPEED 2] using commons Digetser/Betwixt as an eventual re
> plac ement for Castor
> 
> On Monday, October 13, 2003, at 08:50 PM, Weaver, Scott wrote:
> 
> > Hi Robert,
> 
> hi scott
> 
> > Well, I was having trouble with betwixt mapping correctly.
> Unfortunately,
> >  I could not find any good examples of a semi-complicated object
> > model/xml mapping for betwixt.  Digester seemed quite a bit more
> straight
> > forward in its "pure" form as opposed to using betwixt on top of it.
> > Plus I was able to find a couple of articles on Digester on the web that
> > were very helpful.
> >
> > However, if you have any experience with betwixt I would me more than
> > happy to convert the digester version I'm working on to betwixt with
> your
> > help.
> 
> i work on both betwixt and digester. betwixt does some pretty cool and
> complex stuff but is still very much an alpha. i'd recommend sticking with
> digester.
> 
> if you need a generative mapper (start-from-schema rather than
> start-from-java) then you might like to look at xml-beans (but it's
> probably more complex than digester).
> 
> - robert
> 
> 
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Re: [JETSPEED 2] using commons Digetser/Betwixt as an eventual re plac ement for Castor

[robert burrell donkin <rd...@apache.org>]

On Monday, October 13, 2003, at 09:08 PM, Weaver, Scott wrote:

>> i work on both betwixt and digester. betwixt does some pretty cool and
>> complex stuff but is still very much an alpha. i'd recommend sticking 
>> with
>> digester.
>
> Thanks, I definitely want to use betwixt.  I think some more extensive 
> documentation, or just more examples would be helpful.

yep. most of my betwixt energy's taken up with functionality at the 
present. the documentation on the website is better than it used to be but 
it needs a lot of work.

> Plus it would nice to know what all you can do within the .betwixt file.  
> Right now, it is not very clear what the full syntax of the .betwixt file 
> is.

there is a DTD with some explanations in. again, more documentation is 
needed.

> However, could I not use the same rules I created for my digester within 
> the BeanReader, since BeanReader actually implements Digster, correct?

yep.

(once you get the idea) you can mix and match. this is a good way to get 
round any of the current betwixt limitations you run into.

> Maybe if I have sometime, I could send you what my digester 
> implementation looks like and you could give me some tips on converting 
> it to betwixt.

cool.

>> if you need a generative mapper (start-from-schema rather than
>> start-from-java) then you might like to look at xml-beans (but it's
>> probably more complex than digester).
>
> I looked at xml-beans, even went as far as to run the generator over the 
> portlet.xml schema.  It seemed to me to be overkill, plus I couldn't find 
> an easy way to integrate xml-beans with an existing object model.

yep. sounds like start-from-java is what you need (xml beans is 
start-from-schema).

- robert


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