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From "Dennis E. Hamilton" <dennis.hamil...@acm.org>
Subject RE: Java 7 and Apache OpenOffice
Date Sun, 08 Jan 2012 20:12:19 GMT
That's very funny.

I've done JNI integration with the JVM interfaces and the author of the headers did a beautiful
job of staying architecture independent while providing binary-compatible COM interfaces for
the dynamic bindings.  In particular, there is a clean workaround of the differences in C++
compiler vtable approaches so that binary compatibility is preserved (and for C Language too).

I don't know if that also works on non-x86 platforms though, including x64, so what is done
in C++ UNO might be necessary to avoid problems on different architectures and implementations
of C/C++. 

Although I don't expect it to be useful for AOO, I have my eye on adaptations of the JVM interface
header technique for making portable C/C++ use of COM binary interfaces in some other projects
of mine.

 - Dennis

-----Original Message-----
From: Michael Stahl [mailto:mst@openoffice.org] 
Sent: Sunday, January 08, 2012 07:05
To: ooo-dev@incubator.apache.org
Subject: Re: Java 7 and Apache OpenOffice

[ ... ]

now i have no idea why the heck OOo needs to know which JVM it's running
with, but then again the C++ UNO stuff creates vtables out of whole cloth
at runtime, so presumably the public JVM interfaces aren't good enough
either :)


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