Re: Calling Java Methods from Ada

[Shayne Flint <shayne@flint-family.net>]

This capability (in the form of AdaJNI) is part of ObjectAda from Aonix
(http://www.aonix.com/content/products/objectada/windows.html).

Conference papers at SigAda 98 and AdaEurope 2000 may also help.

--Shayne Flint

Geoff Bull wrote:

> See http://www.acenet.com.au/~gbull/
>
> The Alchemist (none@none.com) wrote:
> >         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!
> >