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/
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org
> For additional commands, e-mail: dev-h...@commons.apache.org
>
>
