Basic ant build file

build.xml

<project default="jar">

    <property file="project.properties" prefix="project" />

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

    <target name="compile">
        <mkdir dir="build/classes" />
        <javac includeantruntime="false" srcdir="src" destdir="build/classes" classpath="${project.classpath}" />
    </target>

    <target name="jar" depends="compile">
        <mkdir dir="build/jar"/>
        <jar destfile="build/jar/${project.name}.jar" basedir="build/classes">
            <manifest>
                <attribute name="Main-Class" value="${project.main}" />
            </manifest>
        </jar>
    </target>

    <target name="run" depends="compile">
        <java classpath="build/classes:${project.classpath}" classname="${project.main}" fork="true" />
    </target>

    <target name="debug">
        <mkdir dir="build/debug"/>
        <javac includeantruntime="false" srcdir="src" destdir="build/debug" classpath="build/classes:${project.classpath}" debug="true" />
    </target>

    <target name="compile-tests" depends="debug">
        <mkdir dir="build/test"/>
        <javac includeantruntime="false" srcdir="test" destdir="build/test"  classpath="/usr/share/java/junit4.jar:build/debug:${project.classpath}" debug="true" />
    </target>

    <target name="test" depends="compile-tests">
        <junit fork="yes" haltonfailure="yes">
            <classpath>
                <pathelement location="build/debug" />
                <pathelement location="build/test" />
                <pathelement location="/usr/share/java/junit4.jar" />
                <pathelement path="${project.classpath}" />
            </classpath>
            <batchtest>
                <fileset dir="build/test">
                    <include name="**/*Test*" />
               </fileset>
            </batchtest>
            <formatter type="brief" usefile="false" />
        </junit>
    </target>

    <target name="test-file" depends="compile-tests">
        <java classpath="/usr/share/java/junit4.jar:build/debug:build/test:${project.classpath}" classname="org.junit.runner.JUnitCore" fork="true">
            <arg value="${test}" />
        </java>
    </target>

</project>

project.properties

name=project
main=Main
classpath=