build.xml

<project basedir="." default="war">
	<property name="src.dir" value="src"/>
	<property name="build.dir" value="build"/>
	<property name="web.dir" value="WebContent"/>
			
	<property
		name="classpath"
		value="
			lib/jaxrs-api-3.0.7.Final.jar:lib/resteasy-jaxrs-3.0.7.Final.jar
		"
	/>

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

	<target name="compile" depends="clean">
		<mkdir dir="${build.dir}"/>
		<javac srcdir="${src.dir}" destdir="${build.dir}" classpath="${classpath}" debug="off"/>
	</target>
	
	<target name="war" depends="compile">
	   <war destfile="dist/calc.war" webxml="${web.dir}/WEB-INF/web.xml">
		   <fileset dir="${web.dir}"/>
	   <lib dir="${web.dir}/WEB-INF/lib"/>
	   <classes dir="${build.dir}"/>
	</war>
	</target>	
</project>