Groups > comp.lang.java.programmer > #8517

Re: loading dll within a jar

From	Philipp Kraus <philipp.kraus@flashpixx.de>
Newsgroups	comp.lang.java.programmer
Subject	Re: loading dll within a jar
Date	2011-10-04 14:19 +0200
Organization	1&1 Internet AG
Message-ID	<j6etl4$lda$1@online.de> (permalink)
References	<j6d70q$24c$1@online.de> <201110032353253223-angrybaldguy@gmailcom> <nfkl87t2nkv4regjeck6fko9bnp5u7jk4a@4ax.com>

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On 2011-10-04 11:33:11 +0200, Roedy Green said:

> On Mon, 3 Oct 2011 23:53:25 -0400, Owen Jacobson
> <angrybaldguy@gmail.com> wrote, quoted or indirectly quoted someone
> who said :
> 
>> Short answer, no, you can't get there from here. Unpack your .DLL
>> somewhere (java.io.tmpdir, for example) and load it from there. The
>> Java Web Start protocol includes support for native libraries
>> distributed inside JAR files, if you don't want to write the
>> unpack-and-load glue yourself and if your app is appropriate for web
>> start.
> 
> Doing this with applets is a bear.

No it will be a standalone package.

>  A long time ago I went nearly nuts
> trying to do it under Netscape and brethren and Java 1.1. The problem
> was Java did not notice the DLL unless it were present when Java was
> first loaded. You have to find a place to put the DLL on the library
> path. You need permission to put it there.
> 
> It is easier to let Java Web Start handle this for you.  If you use an
> installer, it should have facilities to install the DLL for you.  See
> http://mindprod.com/jgloss/installer.html

At the moment I use a swtich to load the library, the load will be first
from the default system lib path or the user can specify the path

Grat hint, thank

Phil

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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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