build.xml

<project name="JVstHost" default="run" basedir=".">
    <description>
        build script for JVstHost
    </description>
  <!-- set global properties for this build -->
  <property name="src" location="src"/>
  <property name="build" location="build"/>
<!--   <property name="dist"  location="dist"/> -->
  <!-- command line options -->
  <property file="build.properties"/>
 
  <target name="init">
    <!-- Create the time stamp -->
    <tstamp/>
    <!-- Create the build directory structure used by compile -->
    <mkdir dir="${build}"/>
  </target>

  <target name="compile" depends="init" description="compile the source " >
    <!-- Compile the java code from ${src} into ${build} -->
    <javac debug="true" debuglevel="lines,vars,source" deprecation="off"  srcdir="${src}" destdir="${build}">
      <compilerarg line="-Xlint:unchecked"/>
     </javac>
  </target>

  <target name="jar" depends="compile"
        description="build everything and make a jar" >
   <jar jarfile="${jar.name}" basedir="${build}">
   <manifest>
    <attribute name="Built-By" value="o${jar.built-by}"/>
    <attribute name="Manifest-Version" value="${jar.version}"/>
    <attribute name="Main-Class" value="${jar.main-class}"/>
   </manifest>
   </jar>  

  </target>

<target name="run" description="run the main-class as specified in the jar manifest">
   <java fork="true" maxmemory="1200M" jar="${jar.name}">
     <!-- use the property args from above to pull in a command line arg string -->
     <arg line="${args}"/>
   </java> 
   </target>

  <target name="clean"
        description="clean up" >
    <!-- Delete the ${build} and ${dist} directory trees -->
    <delete dir="${build}"/>
<!--    <delete dir="${dist}"/> -->
  </target>
</project>