build.xml

<?xml version="1.0"?>

<project name="IDSPlayer" default="jar" basedir=".">

<property name="src.dir"     value="src"/>

<property name="build.dir"   value="build"/>
<property name="classes.dir" value="${build.dir}/classes"/>
<property name="dist.dir"     value="dist"/>
<property name="lib.dir"     value="lib"/>

<path id="classpath">
	<fileset dir="${lib.dir}" includes="**/*.jar, **/*.zip"/>
</path>

<manifestclasspath property="manifest.classpath" jarfile="${dist.dir}/${ant.project.name}.jar">
	<classpath refid="classpath" />
</manifestclasspath>

<property name="main-class" value="player.MyPlayerServer" />

<target name="clean">
	<delete dir="${build.dir}"/>
</target>

<target name="compile" depends="clean">
	<mkdir dir="${classes.dir}"/>
	<javac srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath"/>
</target>

<target name="jar" depends="compile">
<mkdir dir="${dist.dir}"/>
  <jar destfile="${dist.dir}/${ant.project.name}.jar" compress="true">
    <fileset dir="${classes.dir}" includes="**/*.*" />
    <manifest>
      <attribute name="Main-Class" value="${main-class}" />
      <attribute name="Class-Path" value="${manifest.classpath}" />
    </manifest>
  </jar>
</target>

<target name="run" depends="jar">
	<java fork="true" classname="${main-class}">
		<classpath>
			<path refid="classpath"/>
			<path location="${dist.dir}/${ant.project.name}.jar"/>
		</classpath>
	</java>
</target>

<target name="clean-build" depends="clean,jar"/>

<target name="all" depends="clean,run"/>

</project>