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Date: Mon, 28 Nov 2011 18:38:32 +0100
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 <CAAqLGLNjpObWugq=RXJ1EtHt3H4JASkOjA=JBZxdLt3wy6S3tA@mail.gmail.com>
Subject: Re: [digester] help on fixing DIGESTER-153
From: Simone Tripodi <simonetripodi@apache.org>
To: Commons Developers List <dev@commons.apache.org>
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Hi Matt! :)
thanks a lot in advance for your help, you cannot imagine how many
tries I already gave - and how many different bytecode FW I tested -
without success! You would be my hero of 2011! :)
ALL THE BEST!
Simo

http://people.apache.org/~simonetripodi/
http://simonetripodi.livejournal.com/
http://twitter.com/simonetripodi
http://www.99soft.org/


On Mon, Nov 28, 2011 at 3:48 AM, Matt Benson <gudnabrsam@gmail.com> wrote:
> Sorry, I missed this. =C2=A0I've done something like this before. =C2=A0P=
ing me
> in a few days. =C2=A0:)
>
> Matt
>
> On Mon, Nov 14, 2011 at 5:58 AM, Simone Tripodi
> <simonetripodi@apache.org> wrote:
>> Hi James!
>> many thanks in advance!!! All the best,
>> Simo
>>
>> http://people.apache.org/~simonetripodi/
>> http://simonetripodi.livejournal.com/
>> http://twitter.com/simonetripodi
>> http://www.99soft.org/
>>
>>
>>
>> On Mon, Nov 14, 2011 at 12:51 PM, James Carman
>> <jcarman@carmanconsulting.com> wrote:
>>> Sounds easy enough, but it might involve rethinking the guts of digeste=
r a
>>> bit. =C2=A0Let me "digest" on that a bit, but I think we can do it some=
what
>>> easily.
>>>
>>> Sent from tablet device. =C2=A0Please excuse typos and brevity.
>>> On Nov 14, 2011 3:02 AM, "Simone Tripodi" <simonetripodi@apache.org> wr=
ote:
>>>
>>>> Hi all guys,
>>>> I'm writing to ask you all a big help on fixing that issues that is
>>>> spoling my sweet dreams and completely blocking for the rest :)
>>>>
>>>> The well known issue is that the Digester has been able to create
>>>> objects using only the default empty constructor, that is because
>>>> instances are created when the XML elements begin.
>>>>
>>>> Thanks to Matt Benson's effort, using CGLIB it is possible to create
>>>> instances using arbitrary constructors, extracting arguments from the
>>>> same matching XML element attributes.
>>>>
>>>> I am sure we can do even more, extracting constructor arguments from
>>>> nested elements, I mean, given the following POJO:
>>>>
>>>> class MyBean
>>>> {
>>>>
>>>> =C2=A0// (g|s)etter omitted
>>>> =C2=A0private float floatProperty;
>>>>
>>>> =C2=A0public MyBean( double doubleProperty, boolean booleanProperty )
>>>> =C2=A0 =C2=A0...
>>>> }
>>>>
>>>> and the following XML snippet
>>>>
>>>> <toplevel>
>>>> =C2=A0<bean double=3D"9.99">
>>>> =C2=A0 =C2=A0<boolean>true</boolean>
>>>> =C2=A0 =C2=A0<float>5.5</float>
>>>> =C2=A0</bean>
>>>> </toplevel>
>>>>
>>>> I would like - but don't know how, that's here that I need help - via
>>>> CGLIB (or something similar) implementing a Lazy Initialization policy
>>>> that allows us creating a proxy that tracks the Object methods
>>>> invocations, but the constructor and methods will be invoked only when
>>>> the matchin XML element terminates.
>>>>
>>>> Just to be more clear:
>>>>
>>>> <toplevel>
>>>> =C2=A0<bean double=3D"9.99"> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
<!-- create the MyBean Proxy,
>>>> register the 1st ctor argument -->
>>>> =C2=A0 =C2=A0<boolean>true</boolean> =C2=A0 =C2=A0 <!-- register the 2=
nd ctor argument -->
>>>> =C2=A0 =C2=A0<float>5.5</float> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0<!-- track invokation of the
>>>> setBeanProperty -->
>>>> =C2=A0</bean> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<!-- matche ends, in=
voke the
>>>> constructor and tracked methods -->
>>>> </toplevel>
>>>>
>>>> Do you think that would be possible?
>>>> Many thanks in advance, all the best!
>>>> Simo
>>>>
>>>> http://people.apache.org/~simonetripodi/
>>>> http://simonetripodi.livejournal.com/
>>>> http://twitter.com/simonetripodi
>>>> http://www.99soft.org/
>>>>
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>>>>
>>>>
>>>
>>
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