Using Java classes from Native Applications

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shubeer - 03 Dec 2007 12:50 GMT

Hi,

Is it possible to access and utilize Java classes from a native
Windows application, specifically one written in Delphi. There is
some functionality that exists in Java classes and to avoid having to
re-write this logic in Delphi again, is there a way to "re-use" these
classes.

Any help would be welcome.

Thanks,
Shubeer

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Gordon Beaton - 03 Dec 2007 12:52 GMT

> Is it possible to access and utilize Java classes from a native
> Windows application, specifically one written in Delphi. There is
> some functionality that exists in Java classes and to avoid having
> to re-write this logic in Delphi again, is there a way to "re-use"
> these classes.

Delphi seems to have a C-binding, which means that you should be able
to use JNI to make calls between Delphi and Java.

Google "Delphi JNI" to get lots more info.

/gordon

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Arne Vajhøj - 04 Dec 2007 03:10 GMT

> Is it possible to access and utilize Java classes from a native
> Windows application, specifically one written in Delphi. There is
> some functionality that exists in Java classes and to avoid having to
> re-write this logic in Delphi again, is there a way to "re-use" these
> classes.

The hard way is:
Delphi--(normal call)--C--(JNI call)--Java

The easy way is two processes and network:
Delphi--(socket)--Java

If you could expose your Java functionality as a web service, then
it would be very easy to use it from Delphi.

Arne

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Using Java classes from Native Applications

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