Calling Java Methods from Ada

[The Alchemist <none@none.com>]

Hello,

	A group of us are trying to write a Java GUI to interface to some Ada 
APIs for a class project. We've spent several weeks trying to get this 
to work. We initially started with CORBA, but couldn't get Adabroker 
working easily.
	We then tried to go with JNI which lets us call Ada functions. However, 
we need to register callback functions to the pre-existing Ada APIs (to 
receive events coming from existing Ada infrastructure that will then 
call Java methods to update GUI components). Our callback functions 
would like to call Java code, but this doesn't seem possible with a JNI 
connection (JNI needs a reference to a JNIENV that it only gets when 
Java calls a JNI method).
	Is there any way to call Java methods from Ada? Similar to the JNI method 
for calling Ada from Java? Or do you think we will need to go with an 
intermediary technology like CORBA or SOAP?
	Your help would be greatly appreciated as we have spent many hours trying 
to figure this one out. Our project's success depends on it!


Thank You

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