Re: [betwixt][BUG?] Destreaming custom collections using Hyphenated/DecapitalizeNameMapper?

[robert burrell donkin]

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:[EMAIL PROTECTED]]
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:[EMAIL PROTECTED]]
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:[EMAIL PROTECTED]]
Sent: Saturday, December 14, 2002 7:50 PM
To: [EMAIL PROTECTED]
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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