build.xml

<project name="opensub4j" basedir="." default="jar">

	<property name="bin.dir" location="bin" />
	<property name="src.dir" location="src/main/java" />
	<property name="lib.dir" location="lib" />
	
	<target name="clean" description="clean">
	    <delete dir="${bin.dir}" />
	    <mkdir dir="${bin.dir}" />
	</target>

	<echo>${lib.dir}</echo>
	<echo>${bin.dir}</echo>
	<echo>${src.dir}</echo>
	
	<target name="compile" depends="clean">
	    <javac srcdir="${src.dir}" destdir="${bin.dir}" includeantruntime="false">
	        <classpath>
	        	<path id="mypath">
	           		<fileset dir="${lib.dir}">
	              		<include name="*.jar" />
	            	</fileset>
	        	</path>
	        </classpath>
	    </javac>	
	</target>

	<target name="jar" depends="compile">
	    <jar destfile="opensub4j.jar" basedir="${bin.dir}" />
	</target>
</project>