Re: JNI for ADA?

[Geoff Bull <gbull@acenet.com.au>]

Dave Brown wrote:

> Hi,
>
> I was wondering if there was a version of JNI that would communicate
> with Ada83 programs.
> I found AdaJNI, but that is an expensive comercial package. Are there
> any freeware versions out there? I dont need anything as fancy as AdaJNI
> either, just a way to Java and Ada to pass objects. I would use and Orb,
> but the project calls for JDK 1.1.5 :(
> Please reply both to group and email
>
> thanks,
> -Dave

  How much of JNI do you need?
I have been working on this very thing, but only have a tiny bit done
- enough to invoke a JVM, find a class and invoke a static method.
I am also working on a binding to the Java library,
(my real motivation is have all those API's available to Ada).
and wanted to sort that out before I release my JNI code.
(there is also zero doco).

I was planning on  GPL.
Unfortuneately I don't have time to do more work on it until late November.

Oh, I just realised you want Ada 83.
My code is intended Ada 95 (as is AdaJNI).
However the lowest level is just a wrapper around the JNI C interface,
so you could probably replace all those pragma conventions with whatever
your particular Ada 83  compiler requires for interfacing to C.


Geoff Bull
Murray Bull Information Technology Pty Ltd