mes-print/build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="mes-print" default="jar" basedir=".">

	<property name="src.dir"     value="src"/>
	<property name="build.dir"   value="build"/>
	<property name="classes.dir" value="${build.dir}/classes"/>
	<property name="dist.dir"    value="dist"/>
	<property name="jar.file"    value="${dist.dir}/mes-print.jar"/>

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

	<target name="compile">
		<mkdir dir="${classes.dir}"/>
		<javac srcdir="${src.dir}"
		       destdir="${classes.dir}"
		       encoding="UTF-8"
		       source="1.8"
		       target="1.8"
		       includeantruntime="false"
		       debug="true">
		</javac>
	</target>

	<target name="jar" depends="compile">
		<mkdir dir="${dist.dir}"/>
		<jar destfile="${jar.file}" basedir="${classes.dir}">
			<manifest>
				<attribute name="Implementation-Title"   value="mes-print"/>
				<attribute name="Implementation-Version" value="1.0.0"/>
			</manifest>
		</jar>
		<echo>OK -> ${jar.file}</echo>
	</target>

</project>