drawio/etc/propgen/build.xml

<?xml version="1.0"?>
<project basedir="." default="run">

	<target name="compile">
		<mkdir dir="classes"/>
		<javac includeantruntime="false" srcdir="." destdir="classes"/>
	</target>

	<target name="run" depends="compile">
		<java fork="true" classname="com.mxgraph.properties.PropGen">
            <classpath>
                <path location="classes"/>
            </classpath>
        </java>
	</target>

</project>