build.xml

<?xml version="1.0" encoding="UTF-8"?>

<!-- This DOCTYPE tag shuts off the warning from Eclipse that there is no DTD
     associated with this XML file. -->

<!DOCTYPE project >

<project name="classver" default="jar" basedir=".">

	<!-- Change this number to change the version. This is the only location
	that needs to be changed to update the version. -->
	<property name="version" value="3.0.0"/>

	<property name="vendor" value="Altered Mechanism"/>
	<property name="main.class" value="com.alteredmechanism.classver.ClassVersionExtractor" />
	<property name="lang.version" value="1.5" />
	<property name="src.dir" value="src/main/java" />
	<property name="java.compiler" value="${user.home}/Dropbox/opt/jdk1.5.0/jdk1.5.0_22/bin/javac" />

    <target name="setup" description="Sets stuff up">
        <mkdir dir="${cls.dir}"/>
        <mkdir dir="${libs.dir}"/>
		<tstamp>
			<format property="build.date" pattern="yyyy-MM-dd hh:mm aa" />
		</tstamp>
    </target>

	<property name="dist.dir" value="src/main/dist" />
	<property name="cls.dir" value="build/classes" />
    <property name="libs.dir" value="build/libs" />
	<property name="jar" value="${libs.dir}/${ant.project.name}.jar"/>
	<property name="run.script" value="${dist.dir}/bin/${ant.project.name}" />
	<property name="sys.install.dir" value="/usr/local" />
	<property name="bld.dist.dir" value="build/distribution" />
	
	<target name="compile" depends="setup" description="Compiles the source">
		<javac srcdir="${src.dir}" destdir="${cls.dir}" classpath="${cls.dir}" 
		debug="on" source="${lang.version}" target="${lang.version}" 
		includeAntRuntime="false" fork="yes" executable="${java.compiler}"/>
	</target>

	<target name="jar" depends="compile" description="Builds an executable jar file">
		<!-- The attribute update="false" makes sure no old classes will exist
		     in the new jar file. -->
		<jar destfile="${jar}" basedir="${cls.dir}" update="false">
			<manifest>
				<attribute name="Built-By" value="${user.name}"/>
				<attribute name="Main-Class" value="${main.class}" />
				<attribute name="Specification-Title" value="${ant.project.name}" />
				<attribute name="Specification-Version" value="${version}" />
				<attribute name="Specification-Vendor" value="${vendor}" />
				<attribute name="Implementation-Build-Date" value="${build.date}"/>
				<attribute name="Implementation-Title" value="${ant.project.name}" />
				<attribute name="Implementation-Version" value="${version}" />
				<attribute name="Implementation-Vendor" value="${vendor}" />
				<section name="com.alteredmechanism.classver">
					<attribute name="Specification-Title" value="${ant.project.name}" />
					<attribute name="Specification-Version" value="${version}" />
					<attribute name="Specification-Vendor" value="${vendor}" />
					<attribute name="Implementation-Build-Date" value="${build.date}"/>
					<attribute name="Implementation-Title" value="${ant.project.name}" />
					<attribute name="Implementation-Version" value="${version}" />
					<attribute name="Implementation-Vendor" value="${vendor}" />
				</section>
			</manifest>
		</jar>
	</target>
    
	<target name="userInstall" depends="jar" description="Installs into $HOME/bin and $HOME/lib">
		<mkdir dir="${user.home}/bin"/>
		<copy file="${run.script}" todir="${user.home}/bin" preservelastmodified="true"/>
		<chmod file="${user.home}/bin/${ant.project.name}" perm="ugo+rx"/>
		<mkdir dir="${user.home}/lib"/>
		<copy file="${jar}" todir="${user.home}/lib" preservelastmodified="true" />
		<exec dir="${user.home}/bin" executable="cmd.exe" osfamily="windows" >
			<arg line="${dist.dir}/bin/addtopath.bat"/>
		</exec>
	</target>
    
	<target name="systemInstall" depends="jar" description="Installs into /usr/local/bin and /usr/local/lib">
		<mkdir dir="${sys.install.dir}/bin"/>
		<copy file="${run.script}" todir="${sys.install.dir}/bin" preservelastmodified="true" />
		<chmod file="${sys.install.dir}/bin/${ant.project.name}" perm="ugo+rx"/>
		<mkdir dir="${sys.install.dir}/lib"/>
		<copy file="${jar}" todir="${sys.install.dir}/lib" preservelastmodified="true"/>
	</target>
    
	<target name="distZip" depends="jar" description="Build a zip file with just binaries for distribution to users">
		<mkdir dir="${bld.dist.dir}"/>
		<move file="build/libs" tofile="build/lib"/>
		<zip destfile="${bld.dist.dir}/${ant.project.name}-${version}-bin.zip">
			<fileset dir="${dist.dir}" includes="bin/*"/>
			<fileset dir="build" includes="lib/${ant.project.name}-${version}.jar"/>
		</zip>
		<move file="build/lib" tofile="build/libs"/>
	</target>
    
	<target name="clean">
	       <delete dir="build"/>
	</target>
	
</project>