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Reply-To: <tima@intalio.com>
From: "Tim Anderson" <tima@intalio.com>
To: "Jakarta Commons Developers List" <commons-dev@jakarta.apache.org>
Subject: RE: [betwixt][BUG?] Destreaming custom collections using
 Hyphenated/DecapitalizeNameMapper?
Date: Wed, 18 Dec 2002 21:52:56 +1100
Message-ID: <AHEMLCHGJOKOCPPFEOIHAELKENAA.tima@intalio.com>
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Yup - that works thanks.

I guess I don't understand the semantics of <addDefaults/>.
When is it required/not required?

Thanks,

Tim

> -----Original Message-----
> From: robert burrell donkin
> [mailto:robertburrelldonkin@blueyonder.co.uk]
> Sent: Wednesday, December 18, 2002 9:43 AM
> To: Jakarta Commons Developers List
> Subject: Re: [betwixt][BUG?] Destreaming custom collections using
> Hyphenated/DecapitalizeNameMapper?
>
>
> hi tim
>
> i know what the problem is. betwixt doesn't add updaters for methods
> unless a <addDefaults/> element is present. (if you can do this) adding a
> <addDefaults/> to your .betwixt file should be a temporary fix for the
> problem.
>
> i'm not going to alter the code so that betwixt adds updaters
> automatically since i think that the current behaviour is correct. but i
> will look into adding an 'updater' (or something like that) attribute to
> the 'element' element which will allow the matching updater to be
> specified in the betwixt file.
>
> - robert
>
> On Tuesday, December 17, 2002, at 08:54 AM, Tim Anderson wrote:
>
> > Thanks for the prompt response and patch Robert.
> >
> > This has highlighted another issue - if a .betwixt file
> > exists for the collection class, it doesn't destream.
> >
> > I need to specify a .betwixt file in order for my collection
> > class' contents to be streamed in the correct order.
> >
> > Attached is a .betwixt file for Elements.java, and a patch for
> > maven.xml to copy it to test-classes, to reproduce the problem.
> >
> > Thanks,
> >
> > Tim
> >
> >> -----Original Message-----
> >> From: robert burrell donkin
> >> [mailto:robertburrelldonkin@blueyonder.co.uk]
> >> Sent: Tuesday, December 17, 2002 9:02 AM
> >> To: Jakarta Commons Developers List
> >> Subject: Re: [betwixt][BUG?] Destreaming custom collections using
> >> Hyphenated/DecapitalizeNameMapper?
> >>
> >>
> >> i've committed a fix for this. if you get the chance, give it a try.
> >>
> >> thanks for the unit tests. it turned out to be to do with
> recognition of
> >> recursive elements rather than anything to do with the NameMapper
> >> implementations so i might have had difficulties replicate it
> otherwise.
> >>
> >> - robert
> >>
> >> On Sunday, December 15, 2002, at 11:13 PM, Tim Anderson wrote:
> >>
> >>> Go for it. I didn't include the license out of laziness ;)
> >>>
> >>>> -----Original Message-----
> >>>> From: robert burrell donkin
> >>>> [mailto:robertburrelldonkin@blueyonder.co.uk]
> >>>> Sent: Monday, December 16, 2002 3:34 AM
> >>>> To: Jakarta Commons Developers List
> >>>> Subject: Re: [betwixt][BUG?] Destreaming custom collections using
> >>>> Hyphenated/DecapitalizeNameMapper?
> >>>>
> >>>>
> >>>> thanks.
> >>>>
> >>>> those unit tests demonstrate the problem fine. fancy donating
> >> them to the
> >>>> apache software foundation (saves me writing equivalent ones)?
> >>>>
> >>>> (you didn't include the apache license at the top of each so i
> >> thought it
> >>>> best to check...)
> >>>>
> >>>> - robert
> >>>>
> >>>> On Saturday, December 14, 2002, at 10:31 AM, Tim Anderson wrote:
> >>>>
> >>>>> Attached is a junit test case which reproduces the problem.
> >>>>>
> >>>>> Regards,
> >>>>>
> >>>>> Tim
> >>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: Tim Anderson [mailto:tima@intalio.com]
> >>>>>> Sent: Saturday, December 14, 2002 7:50 PM
> >>>>>> To: commons-dev@jakarta.apache.org
> >>>>>> Subject: [betwixt][BUG?] Destreaming custom collections using
> >>>>>> Hyphenated/DecapitalizeNameMapper?
> >>>>>>
> >>>>>>
> >>>>>> Hi people,
> >>>>>>     I am trying to destream some XML using betwixt into a
> >>>> class structure
> >>>>>> which looks like:
> >>>>>>
> >>>>>> public class Foos {
> >>>>>>     // manages a collection of Foo
> >>>>>>     public void addFoo(Foo foo) { ... }
> >>>>>>     public Iterator getFoos() { .... }
> >>>>>> }
> >>>>>>
> >>>>>> public class Foo {
> >>>>>>     // ...
> >>>>>>     public void setValue(String value) { ... }
> >>>>>>     public String getValue() { ...}
> >>>>>> }
> >>>>>>
> >>>>>> Using the DefaultNameMapper, this streams as:
> >>>>>>
> >>>>>> <Foos>
> >>>>>>   <foo value="a"/>
> >>>>>>   <foo value="b"/>
> >>>>>> </Foos>
> >>>>>>
> >>>>>> and destreams fine. However with the
> >>>> Hyphenated/DecapitalizeNameMappers,
> >>>>>> it doesn't destream correctly - the addFoo() method is not invoked.
> >>>>>> Streamed it looks like:
> >>>>>> <foos>
> >>>>>>   <foo value="a"/>
> >>>>>>   <foo value="b"/>
> >>>>>> </foos>
> >>>>>>
> >>>>>> Looking at the debug trace, the following messages from
> >>>>>> XMLIntrospector
> >>>>>> appear:
> >>>>>> ....
> >>>>>> Processing child
> >>>> ElementDescriptor[qname=foos,pname=foos,class=interface
> >>>>>> java.util.Iterator,singular=class Foo,updater=MethodUpdater
> >>>>>> [method=public
> >>>>>> void Foos.addFoo(Foo)]]
> >>>>>>
> >>>>>> Creating generic rule for recursive elements
> >>>>>> ^^^^^^^^^^^^ problem starts here^^^^^^^^^^^^
> >>>>>>
> >>>>>> Created bean create rule
> >>>>>> Descriptor=ElementDescriptor[qname=foos,pname=foos,class=interface
> >>>>>> java.util.Iterator,singular=class Foo,updater=MethodUpdater
> >>>>>> [method=public
> >>>>>> void Foos.addFoo(org.apache.commons.sql.type.Foo)]]
> >>>>>> Class=class Foo Path prefix=*/foos
> >>>>>> Ignoring duplicate digester rule for path: */foos rule:
> >>>>>> BeanCreateRule [path
> >>>>>> prefix=*/foos
> >>>>>> descriptor=ElementDescriptor[qname=foos,pname=foos,class=interface
> >>>>>> java.util.Iterator, ....
> >>>>>>
> >>>>>> I'm configuring the introspector using:
> >>>>>>
> >>>>>>         introspector.setAttributesForPrimitives(true);
> >>>>>>         introspector.setWrapCollectionsInElement(false);
> >>>>>>         introspector.setElementNameMapper(new
> >>>> DecapitalizeNameMapper());
> >>>>>>
> >>>>>> Any ideas/workarounds?
> >>>>>>
> >>>>>> Thanks,
> >>>>>>
> >>>>>> Tim
> >>>>>>
> >>>>>>
> >>>>>> --
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