build-midlet.xml

<?xml version="1.0"?>
<project name="sample" default="all" basedir=".">
	<property file="version.properties"/>

	<!-- find libs -->
	<import file="build-libs.xml"/>
	
	<!-- 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,bcel-lib,wtk-libs,microemulator-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,wtk-libs">
		<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,wtk-libs">
		<mkdir dir="build/midlet/src"/>
		<copy todir="build/midlet/src">
			<fileset dir="src/core"/>
			<fileset dir="src/jme"/>
			<fileset dir="examples/jme"/>
			<filterchain>
				<tokenfilter><replacestring from='"Luaj 0.0"' to='"Luaj-jme ${version}"'/></tokenfilter>
			</filterchain>
		</copy>
		<path id="wtk-libs">
			<pathelement path="lib/cldcapi11.jar"/>
			<pathelement path="lib/midpapi20.jar"/>
			<pathelement path="lib/mmapi.jar"/>
		</path>
		<javac destdir="build/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs"
			srcdir="build/midlet/src"/>
	</target>

	<target name="jar" depends="luajc,classes">
		 <jar destfile="build/sample-plain.jar"
		       basedir="build/classes"/>
	</target>
		
	<target name="obf" depends="jar,proguard-lib">
		<taskdef resource="proguard/ant/task.properties" classpath="lib/proguard.jar" />
		<proguard>
			-injars      build/sample-plain.jar
			-outjars     build/sample.jar
			-libraryjars lib/midpapi20.jar
			-libraryjars lib/cldcapi11.jar
			-overloadaggressively
			-repackageclasses ''
			-microedition

			-keep public class SampleMIDlet			
			-keep public class * extends org.luaj.vm2.LuaValue
		</proguard>		 
	</target>
		
    <target name="jad" depends="obf">
    	<length file="build/sample.jar" property="sample.jar.length" />
    	<echo level="info">Jar file length is ${sample.jar.length}</echo>
    	<manifest file="build/sample.jad">
    	    <attribute name="Built-By" value="luaj-${version}"/>
    	    <attribute name="MIDlet-Name" value="Luaj ${script.name}"/>
    	    <attribute name="MIDlet-Version" value="${version}"/>
    	    <attribute name="MIDlet-Vendor" value="luaj.org"/>
    	    <attribute name="MIDlet-Description" value="Luaj Sample Midlet"/>
    	    <attribute name="MIDlet-1" value="${script.name}-${version}, , SampleMIDlet"/>
      	    <attribute name="MIDlet-Jar-URL" value="sample.jar"/>
      	    <attribute name="MIDlet-Jar-Size" value="${sample.jar.length}"/>
        	<attribute name="script" value="${script.name}"/>
    	</manifest>
    </target>

	<target name="package" depends="jad,jar,obf"/>

	<target name="run" depends="jad,jar,obf,microemulator-lib">
		<java jar="lib/microemulator.jar" fork="true">
			<arg path="build/sample.jad"/>
		</java>
	</target>
	
	<target name="all" depends="clean,package,run"/>

</project>