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
<jcar...@carmanconsulting.com> wrote:
> Sounds easy enough, but it might involve rethinking the guts of digester a
> bit. Let me "digest" on that a bit, but I think we can do it somewhat
> easily.
>
> Sent from tablet device. Please excuse typos and brevity.
> On Nov 14, 2011 3:02 AM, "Simone Tripodi" <simonetrip...@apache.org> wrote:
>
>> 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
>> {
>>
>> // (g|s)etter omitted
>> private float floatProperty;
>>
>> public MyBean( double doubleProperty, boolean booleanProperty )
>> ...
>> }
>>
>> and the following XML snippet
>>
>> <toplevel>
>> <bean double="9.99">
>> <boolean>true</boolean>
>> <float>5.5</float>
>> </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>
>> <bean double="9.99"> <!-- create the MyBean Proxy,
>> register the 1st ctor argument -->
>> <boolean>true</boolean> <!-- register the 2nd ctor argument -->
>> <float>5.5</float> <!-- track invokation of the
>> setBeanProperty -->
>> </bean> <!-- matche ends, invoke 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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