sample ant build.xml

build.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project default="create_run_jar" name="Create Runnable Jar for Project Sample">
    <!--this file was created by Eclipse Runnable JAR Export Wizard-->
    <!--ANT 1.7 is required                                        -->
    <property name="bin.dir" value="bin" />
    <property name="classes.dir" value="classes" />
    <dirname property="project.path" file="${ant.file}" />
    <target name="create_run_jar">
        <jar destfile="${project.path}/Sample.jar" filesetmanifest="mergewithoutmain">
            <manifest>
                <attribute name="Main-Class" value="to.path.package.Sample"/>
                <attribute name="Class-Path" value="."/>
            </manifest>
            <fileset dir="${project.path}/${bin.dir}"/>
            <fileset dir="${project.path}/${classes.dir}"/>
        </jar>
    </target>
</project>