Consolidated Java Jars

Sometimes I just want my little Java app to be simple. It's suppose to be a command line client, or some JMS utility, and I just want to move it around easily, call it easily and have it work.

But, it's got a bunch of files, and I used something for a network library, and a command line parsing library...

What I would like is a consolidated jar, one jar that has what is needed, it is configured so it can be run with java -jar myjar.jar, and it will work.

    <target name="dist" depends="compile"
          description="generate the distribution" >
        <!-- Create the distribution directory -->
        <mkdir dir="${dist}"/>

        <jar jarfile="${dist}/Util.jar" basedir="${build}">
            <manifest>
                <attribute name="Main-Class" value="Main"/>
            </manifest>
            <zipfileset src="lib/commons-cli-1.2.jar" includes="**/*.class"/>
        </jar>
    </target>       

This ant target will create a jar, and include in the jar, all the class files from commons-cli-1.2.jar. Now, assuming no other dependencies, I should be able to ssh the Util.jar to any destination machine with Java and run it.