How to determine the Type of a Bean Property from String based OGNL Expression

[Torsten Krah]

I want to customize the conversion error messages to be more special in cases 
of wrong types.
Using a custom interceptor this is possible to do but lets say the map 
contains an error for the field "rule.date".

Thats the OGNL expression, telling me that getRule().setDate(Date a) failed, 
because a was not a Date type.
But how to know which type it is.

I've got the action, is it possible to gernerate an OGNL Expression which let 
me call something like ("myOGNLCall".getType()) which tells me that 
java.util.Date is the type which should be returned?

thx

Torsten


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