Re: Java wrappers around Ada?

[Georg Bauhaus <bauhaus@futureapps.de>]

kk_oop@yahoo.com wrote:
> Hi.  My team has a bunch of legacy Ada code.  Our new code is being
> written in Java.  However, we still have many complex algorithms
> written in thousands of lines of Ada.  Rather than rewriting the
> tested/validated Ada code in Java, we'd like to create a Java facade
> that would delegate to the Ada code, thereby making the Ada code
> available to newer Java client objects.  Is this reasonable (as opposed
> to rewriting everything in Java)?  Anyone know what
> mechanisms/libraries would support such an approach?

FWIW, at least one Ada compiler supports JNI (ObjectAda), another is supposed
to support it in the near future, if it doesn't already (GNAT).
Additionally, there are at least two Ada -> Java bytecode compilers,
AppletMagic and JGnat.


-- Georg