build.xml

<?xml version="1.0" encoding="UTF-8"?>

<project name="" default="dist" basedir=".">

	<description>
		simple example build file
	</description>

	<!-- set global properties for this build -->
	<property name="jar.file" value="Compiler"/>
	<property name="src.dir" location="src"/>
	<property name="build.dir" location="build"/>
	<property name="dist.dir" location="dist"/>
	<property name="meta-inf.dir" location="META-INF"/>
	<property name="manifest.file" value="MANIFEST.MF"/>
	<property name="manifest.path" value="${meta-inf.dir}/${manifest.file}"/>

	<target name="init">
		<!-- Create the time stamp -->
		<tstamp/>
		<!-- Create the build directory structure used by compile -->
		<mkdir dir="${build.dir}"/>
		<mkdir dir="${meta-inf.dir}"/>
	</target>

	<target name="compile" depends="init" description="compile the source">
		<!-- Compile the java code from ${src.dir} into ${build.dir} -->
		<javac srcdir="${src.dir}" destdir="${build.dir}" includeantruntime="on"/>
	</target>

	<target name="manifest" depends="init" description="generate the manifest">
		<mkdir dir="${meta-inf.dir}"/>
		<manifest file="${manifest.path}">
			<attribute name="Main-Class" value="main.Main"/>
			<attribute name="Class-Path" value="lib"/>
		</manifest>
	</target>

	<target name="dist" depends="compile,manifest" description="generate the distribution" >
		<!-- Create the distribution directory -->
		<mkdir dir="${dist.dir}/lib"/>
		<jar jarfile="${dist.dir}/${jar.file}.jar" basedir="${build.dir}" manifest="${manifest.path}"/>
	</target>

	<target name="clean" description="clean up" >
		<!-- Delete the ${build} and ${dist} directory trees -->
		<delete dir="${build.dir}"/>
		<delete dir="${dist.dir}"/>
	</target>

</project>