For my education, why do you need to query? 
Would the method be:
(1) About to throw NameError no method for arguments
(2) Select arguments that don't match
(3) Do any of the non-matching arguments respond_to? :to_java
(4) Call :to_java on those arguments
(5) Do method parameters now match?  If so call method, otherwise throw original exception

Just curious, I am sure its a lot more complex than that.