build-midlet.xml

<?xml version="1.0"?>
<project name="sample" default="all" basedir=".">

	<!-- find wtk -->
	<property environment="env"/>
	<property name="env.WTK_HOME" value="c:\WTK-2.2" />
	<property name="wtk.home" value="${env.WTK_HOME}" />
	<echo level="info">wtk.home: ${wtk.home}</echo>
	
	<!-- set wtk parameters -->
    <property name="wtk.cldc.version" value="1.1"/>
    <property name="wtk.midp.version" value="2.0"/>
    <taskdef resource="antenna.properties"/>
	
	<!-- main script -->
	<property name="script.name"  value="hello"/>
	<property name="script.dir"   value="examples/lua"/>
	
	<target name="clean">
	    <delete failonerror="false" dir="build"/>
	</target>

	<target name="dirs">
        <mkdir dir="build"/>
        <mkdir dir="build/tool"/>
        <mkdir dir="build/classes"/>
	</target>
	
	<target name="tools" depends="dirs">
		<ant antfile="build.xml" target="bcel-lib"/>
		<javac destdir="build/tool" classpath="lib/bcel-5.2.jar">
			<src path="src/core"/>
			<src path="src/jse"/>
		</javac>
	</target>

	<!-- compile script into lua bytecode -->
	<target name="luac" depends="tools">
		<java classname="luac" classpath="build/tool">
			<arg line="-o build/classes/${script.name}.lua"/>
			<arg line="${script.dir}/${script.name}.lua"/>
		</java>
	</target>

	<!-- compile script into java bytecode -->
	<target name="luajc" depends="tools">
		<java classname="luajc" classpath="build/tool:lib/bcel-5.2.jar">
			<arg line="-verbose"/>
			<arg line="-srcdir ${script.dir}"/>
			<arg line="-destdir build/classes"/>
			<arg line="${script.name}.lua"/>
		</java>
	</target>
	
	<target name="classes" depends="dirs">
        <wtkbuild srcdir="src/core"     destdir="build/classes" preverify="false"/>
        <wtkbuild srcdir="src/jme"      destdir="build/classes" preverify="false"/>
		<wtkbuild srcdir="examples/jme" destdir="build/classes" preverify="false"/>
	</target>
		
    <target name="jad" depends="classes">
		<wtkjad jadfile="build/sample.jad"
			manifest="build/MANIFEST.MF"
			name="LuaJ Sample Midlet"
			vendor="luaj.org"
			version="0.1" >
		    <midlet name="LuaJ Sample Midlet" class="SampleMIDlet"/>
			<attribute name="script" value="${script.name}"/>
		</wtkjad>
    </target>

	<target name="jar" depends="luajc,classes,jad">
        <wtkpackage jarfile="build/sample.jar"
                    jadfile="build/sample.jad"
                    obfuscate="false"
                    preverify="false"
                    autoversion="true">
            <fileset dir="build/classes"/>
        </wtkpackage>
	</target>
	
	<target name="obf" depends="jar">
        <wtkobfuscate jarfile="build/sample.jar"
					  jadfile="build/sample.jad">
        	<preserve class="${script.name}"/>
			<argument value="-printmapping build/mapping.txt"/>
			<argument value="-repackageclasses"/>
        	<argument value="-allowaccessmodification"/>
			<argument value='""'/>
   		</wtkobfuscate>
	</target>

	<target name="package" depends="jad,jar,obf">
		<wtkpreverify jarfile="build/sample.jar"
                      jadfile="build/sample.jad"/>
    </target>

	<target name="run" depends="package">
		<wtkrun jadfile="build/sample.jad" device="DefaultColorPhone"/>
	</target>
	
	<target name="all" depends="clean,package,run"/>

</project>