build.xml

<?xml version="1.0"?>
<project name="axiom-lucene" default="all" basedir=".">

	<property name="jar.name" value="axiom-lucene"/>
    <property name="home.dir" value="."/>
	<property name="dist.dir" value="${home.dir}/dist"/>
    <property name="build.dir" value="${home.dir}/build"/>
	<property name="src.dir" value="${home.dir}/src/java"/>
	<property name="java.version.default" value="1.6"/>

	<path id="classpath">
		<pathelement location="${build.dir}/classes"/>
	</path>

	<target name="all" depends="build"/>

	<target name="init">
		<mkdir dir="${build.dir}"/>
		<mkdir dir="${build.dir}/classes"/>
		<mkdir dir="${dist.dir}"/>
	</target>

	<target name="clean" description="Removes contents of build and dist directories">
		<delete dir="${build.dir}"/>
		<delete dir="${dist.dir}"/>
	</target>

	<target name="build" depends="clean, init">
		<property environment="env"/>

		<condition property="java_version"
			value="${env.JAVA_VERSION}"
			else="${java.version.default}">
			<and>
				<isset property="env.JAVA_VERSION"/>
			</and>
		</condition>
		
		<antcall target="compile">
			<param name="version" value="${java_version}"/>
		</antcall>		

		<antcall target="jar"/>
	</target>
	
	<target name="compile" depends="init">
		<property name="deprecation" value="off"/>
		<property name="debug" value="on"/>
        <property name="optimize" value="on"/>
		<property name="encoding" value="utf-8" /> 

		<condition property="version"
			value="${java.version.default}">
			<not>
				<isset property="version"/>
			</not>
		</condition>

		<javac srcdir="${src.dir}"
 			encoding="${encoding}"
            source="${version}"
            target="${version}"
	    	destdir="${build.dir}/classes"
            debug="${debug}"
            deprecation="${deprecation}"
            optimize="${optimize}">
            <classpath refid="classpath" />
        </javac>
    </target>

	<target name="jar" depends="compile" description="Packages the JAR file">
		<jar destfile="${dist.dir}/${jar.name}.jar"	basedir="${build.dir}/classes"/>
	</target>
	
</project>