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From "James Strachan" <james_strac...@yahoo.co.uk>
Subject Re: (Betwixt) a task for a volunteer [Was Re: digester data toXML]
Date Thu, 07 Feb 2002 04:49:00 GMT
From: "Jason van Zyl" <jvanzyl@zenplex.com>
> On 2/6/02 2:25 PM, "James Strachan" <james_strachan@yahoo.co.uk> wrote:
>
>
> >
> > There's a BeanReader that is-a Digester that tries to default some
Digester
> > rules - right now the code doesn't manage to default terribly many
useful
> > rules - but hopefully with some more work it might help minimise the
amount
> > of digester rules that are required. Because BeanReader is-a Digester
you
> > can always add other rules that don't get auto-generated.
>
> You might also want to look at this:
>
>
http://cvs.apache.org/viewcvs/jakarta-turbine-stratum/src/java/org/apache/st
> ratum/xo/Mapper.java?rev=1.13&content-type=text/vnd.viewcvs-markup
>
> It automatically maps a 'common' XML bean format into a specified object.
> The object can be created, or a live bean can be used. We're using this
> successfully in turbine for a number of mappers and we don't have to
specify
> any rules provided the XML adheres to a simple format.
>
> I was going to take a crack at modifying some of the betwixt code to get
the
> bidirectional behaviour working as I will need this in Tambora very
shortly.
> The mapper users dom4j to parse the XML.
>
> All the code is stratum will eventually all be put in the commons so the
> mapper will hopefully land in the commons in much the same fashion as the
> struts utilities have landed in the commons.

Thanks Jason - I'll take a look.

James

>
> > James
> >
> >>
> >> Regards,
> >> Slawek
> >>
> >>
> >> --- robert burrell donkin <robertdonkin@mac.com>
> >> wrote:
> >>>
> >>> On Tuesday, January 29, 2002, at 09:40 PM, Slawek
> >>> Zachcial wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> Can you list some betwixt points to be done? Maybe
> >>> I
> >>>> could help? ;-)
> >>>
> >>> hi
> >>>
> >>> any help would be greatly appreciated :)
> >>>
> >>> the best candidate for a nice independent task would
> >>> be to add the
> >>> XMLBeanInfo extension mechansim. here's a paragraph
> >>> i've pulled from one
> >>> of james's posts:
> >>>
> >>> "I've been meaning to put an extension mechanism
> >>> into XMLIntrospector that
> >>> works like the extension mechanism in
> >>> java.beans.Instropector. e.g. given
> >>> a
> >>> FooBean class it would look on the classpath for a
> >>> FooBeanXMLBeanInfo class
> >>> using the same Java beans mechanism."
> >>>
> >>> if you're not familiar with BeanInfo's then you'll
> >>> need to look up the
> >>> java beans specs. the idea is that programmers would
> >>> be able to create
> >>> XMLBeanInfo classes which allow the bean->xml
> >>> mapping to be customized in
> >>> the same way that standard bean introspection can
> >>> be.
> >>>
> >>> if you fancy giving this a go then please get back
> >>> and i'll try to give
> >>> you whatever help i can.
> >>>
> >>> - robert
> >>>
> >>>
> >>> --
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> >>>
> >>
> >>
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> --
>
> jvz.
>
> Jason van Zyl
>
> http://tambora.zenplex.org
> http://jakarta.apache.org/turbine
> http://jakarta.apache.org/velocity
> http://jakarta.apache.org/alexandria
> http://jakarta.apache.org/commons
>
>
>
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