An executable jar is still a jar file with the "Main-Class" attribute in the manifest [1,2,3].
If you rely on other libraries, you can
 a) include the content of the other jars in your jar [4,5]
 b) set the "Classpath" attribute in your manifest and have the other jars relative to yours [3,6]
 c) include the other jars in your jar and use a special ClassLoader [7,8].


Jan


[1] http://ant.apache.org/manual/CoreTasks/manifest.html
[2] http://java.sun.com/j2se/1.5.0/docs/guide/jar/jar.html#Main%20Attributes
[3] http://ant.apache.org/manual/tutorial-HelloWorldWithAnt.html
[4] http://ant.apache.org/manual/CoreTasks/jar.html
[5] http://ant.apache.org/manual/CoreTypes/zipfileset.html
[6] http://ant.apache.org/manual/CoreTasks/manifestclasspath.html
[7] http://one-jar.sourceforge.net/
[8] http://launch4j.sourceforge.net/





> -----Ursprüngliche Nachricht-----
> Von: Steve Loughran [mailto:stevel@(protected)]
> Gesendet: Donnerstag, 14. Februar 2008 17:35
> An: Ant Users List
> Betreff: Re: Executable Jar using GUI?
>
> Sameer Borwankar wrote:
> > Hi All,
> >
> > Can anyone please guide me regarding creating an executable
> jar file from existing build.xml? I tried to use Antigen gui.
> Can someone suggest another gui to create an executable jar file?
>
> If its a JAR file for installers: izpack
>
> --
> Steve Loughran            http://www.1060.org/blogxter/publish/5
> Author: Ant in Action       http://antbook.org/
>
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