Adapting Beanlike Non-Beans for use with Velocity

[Eric Fixler]

Hello.  I'm working with a couple of packages that return data records 
in a Map-like format, but they're not Maps, and not beans.  (One of 
these is Lucene, with which some of you are likely familiar)

Roughly speaking, instead of using the setXxx and getXxx pattern, these 
packages use calls like document.getField("xxx") and 
document.setField("xxx",value).

I'm wondering if the bean introspection layer of Velocity has any 
mechanism whereby I could write an adapter class, with the ultimate 
goal being the use of these classes (or Maps, for that matter) just 
like regular old Java Beans in Velocity template, i.e. the adapter 
class would generate the mapping so that $object.property would call 
document.getField("xxx") instead of document.getXxx.

Any pointers greatly appreciated.  If this doesn't exist, seems useful 
to other people, and I manage to do it, I would of course be happy to 
contribute it back to the project. (I could write a wrapper bean, but 
this seems more fun, and since these classes have have changing field 
sets, more useful as well)

Thanks! (and thanks for Velocity!)
eric
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Eric Fixler
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