build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="potage" default="war">

        <path id="compile.classpath">
                <fileset dir="web/WEB-INF/lib">
                        <include name="*.jar"/>
                </fileset>
        </path>

        <target name="init">
                <mkdir dir="build/classes"/>
                <mkdir dir="dist" />
        </target>

        <target name="compile" depends="init" >
                <javac destdir="build/classes" debug="true" srcdir="src">
                        <classpath refid="compile.classpath"/>
                </javac>
        </target>

        <target name="war" depends="compile">
                <war destfile="dist/potage.war" webxml="web/WEB-INF/web.xml">
                        <fileset dir="web"/>
                        <lib dir="web/WEB-INF/lib"/>
                        <classes dir="build/classes"/>
                </war>
        </target>

        <target name="clean">
                <delete dir="dist" />
                <delete dir="build" />
        </target>

</project>