Groups > comp.lang.java.programmer > #8896

Re: loading dll within a jar

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Date	Sun, 16 Oct 2011 22:38:05 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
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On 10/3/2011 4:47 PM, Philipp Kraus wrote:
> is there a way to load a DLL library that is stored within a Jar?
> At the time I'm using the -Djava.library.path flag but I would like
> to store the DLL within the Jar and added the path dynamically.
>
> I've found some information about this eg extract the DLL to the
> temp directory and set the -D option on the main-method.
>
> Can I set also the library path to the java command like the classpath
> argument? My java classes use the a
> static { System.loadLibrary("dllname"); }
> to load the library, so can I add on the static attribute a call for
> loading
> the dll within the jar?

The right answer is having the DLL external.

Use JWS for SE and JCA for EE to get a little help.

If you really want to mess around then you embed
JLAN in your app, have it serve the jar file as
a windows share and load from that share.

I would not do that.

Arne

PS: JLAN is either GPL or commercial license with the
     implications that carry.

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Thread

loading dll within a jar Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-10-03 22:47 +0200
  Re: loading dll within a jar Owen Jacobson <angrybaldguy@gmail.com> - 2011-10-03 23:53 -0400
    Re: loading dll within a jar Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-10-04 11:19 +0200
    Re: loading dll within a jar Roedy Green <see_website@mindprod.com.invalid> - 2011-10-04 02:33 -0700
      Re: loading dll within a jar Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-10-04 14:19 +0200
  Re: loading dll within a jar Roedy Green <see_website@mindprod.com.invalid> - 2011-10-03 22:28 -0700
  Re: loading dll within a jar Roedy Green <see_website@mindprod.com.invalid> - 2011-10-15 14:20 -0700
  Re: loading dll within a jar Arne Vajhøj <arne@vajhoej.dk> - 2011-10-16 22:38 -0400

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