build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="xmlobjects" default="build" basedir=".">

	<property name="base.dir" value="${basedir}" />
	<property name="dist.dir" value="${basedir}/dist" />
	<property name="src.dir" value="${basedir}/src" />
	<property name="jar.dir" value="${dist.dir}/lib" />

	<!-- define Maven coordinates -->
	<property name="groupId" value="org.dmfs" />
	<property name="artifactId" value="${ant.project.name}" />

	<!-- defined maven snapshots and staging repository id and url -->
	<property name="ossrh-snapshots-repository-url"
		value="https://oss.sonatype.org/content/repositories/snapshots/" />
	<property name="ossrh-staging-repository-url"
		value="https://oss.sonatype.org/service/local/staging/deploy/maven2/" />
	<!-- there server id in the Maven settings.xml -->
	<property name="ossrh-server-id" value="ossrh" />

	<path id="libraryclasspath">
		<pathelement location="libs/xmlpull-1.1.3.1.jar" />
	</path>

	<path id="classpath">
		<pathelement location="bin/classes" />
		<path refid="libraryclasspath" />
	</path>

	<available file=".git" type="dir" property="git.present" />
	<target name="gitinfo" description="determine git properties"
		if="git.present">
		<exec executable="git" outputproperty="git.commithash"
			failifexecutionfails="false" errorproperty="">
			<arg value="rev-parse" />
			<arg value="HEAD" />
		</exec>
		<exec executable="git" outputproperty="git.repo"
			failifexecutionfails="false" errorproperty="">
			<arg value="config" />
			<arg value="--get" />
			<arg value="remote.github.url" />
		</exec>
		<exec executable="git" outputproperty="git.tag"
			failifexecutionfails="false" errorproperty="">
			<arg value="describe" />
			<arg value="--abbrev=0" />
			<arg value="--tags" />
		</exec>
		<exec executable="git" outputproperty="git.user.email"
			failifexecutionfails="false" errorproperty="">
			<arg value="config" />
			<arg value="user.email" />
		</exec>
		<condition property="git.tag" value="${git.tag}" else="${version}">
			<and>
				<isset property="git.tag" />
				<length string="${git.tag}" trim="yes" length="0" when="greater" />
			</and>
		</condition>

		<property name="jar" value="${jar.dir}/${artifactId}-${git.tag}.jar" />
		<property name="javadoc-jar"
			value="${jar.dir}/${artifactId}-${git.tag}-javadoc.jar" />
		<property name="sources-jar"
			value="${jar.dir}/${artifactId}-${git.tag}-sources.jar" />

	</target>
	<!-- Compile project -->
	<target name="compile">
		<javac srcdir="${src.dir}" includeantruntime="false">
			<classpath refid="classpath" />
		</javac>
	</target>

	<target name="jar" depends="compile,gitinfo">
		<delete file="${jar.dir}/${name}.jar" />
		<buildnumber file=".build" />
		<manifest file="MANIFEST.MF">
			<attribute name="Git-Release-Hash" value="${git.commithash}" />
			<attribute name="Git-Release-Tag" value="${git.tag}" />
			<attribute name="Built-By" value="${git.user.email}" />
			<attribute name="Implementation-Version" value="${git.tag}-${build.number}" />
		</manifest>
		<jar destfile="${jar}" basedir="${src.dir}" includes="**/*.class **/*.java"
			manifest="MANIFEST.MF">
			<metainf dir="${basedir}" includes="NOTICE" />
			<metainf dir="${basedir}" includes="LICENSE" />
		</jar>
	</target>

	<target name="dist" depends="jar">
		<!-- build the javadoc jar -->
		<javadoc sourcepath="${src.dir}" destdir="${dist.dir}/javadoc">
			<classpath>
				<path refid="classpath" />
			</classpath>
		</javadoc>

		<jar jarfile="${javadoc-jar}" manifest="MANIFEST.MF">
			<fileset dir="${dist.dir}/javadoc" />
			<metainf dir="${basedir}" includes="NOTICE" />
			<metainf dir="${basedir}" includes="LICENSE" />
		</jar>

		<!-- build the sources jar -->
		<jar jarfile="${sources-jar}" manifest="MANIFEST.MF">
			<fileset dir="${src.dir}" />
			<metainf dir="${basedir}" includes="NOTICE" />
			<metainf dir="${basedir}" includes="LICENSE" />
		</jar>
	</target>

	<target name="cleanup">
		<delete>
			<fileset dir="." includes="**/*.class" />
			<fileset file="MANIFEST.MF" />
		</delete>
		<delete dir="${dist.dir}" />
	</target>

	<target name="build" depends="jar,cleanup" />

	<target name="deploy" depends="dist"
		description="deploy snapshot version to Maven snapshot repository">
		<exec executable="mvn">
			<arg value="org.apache.maven.plugins:maven-deploy-plugin:2.6:deploy-file" />
			<arg value="-Durl=${ossrh-snapshots-repository-url}" />
			<arg value="-DrepositoryId=${ossrh-server-id}" />
			<arg value="-DpomFile=pom.xml" />
			<arg value="-Dfile=${jar}" />
		</exec>
	</target>

	<!-- before this, update project version (both build.xml and pom.xml) from 
		SNAPSHOT to RELEASE -->
	<target name="stage" depends="dist"
		description="deploy release version to Maven staging repository">
		<!-- sign and deploy the main artifact -->
		<exec executable="mvn">
			<arg
				value="org.apache.maven.plugins:maven-gpg-plugin:1.3:sign-and-deploy-file" />
			<arg value="-Durl=${ossrh-staging-repository-url}" />
			<arg value="-DrepositoryId=${ossrh-server-id}" />
			<arg value="-DpomFile=pom.xml" />
			<arg value="-Dfile=${jar}" />
			<arg value="-Pgpg" />
		</exec>

		<!-- sign and deploy the sources artifact -->
		<exec executable="mvn">
			<arg
				value="org.apache.maven.plugins:maven-gpg-plugin:1.3:sign-and-deploy-file" />
			<arg value="-Durl=${ossrh-staging-repository-url}" />
			<arg value="-DrepositoryId=${ossrh-server-id}" />
			<arg value="-DpomFile=pom.xml" />
			<arg value="-Dfile=${sources-jar}" />
			<arg value="-Dclassifier=sources" />
			<arg value="-Pgpg" />
		</exec>

		<!-- sign and deploy the javadoc artifact -->
		<exec executable="mvn">
			<arg
				value="org.apache.maven.plugins:maven-gpg-plugin:1.3:sign-and-deploy-file" />
			<arg value="-Durl=${ossrh-staging-repository-url}" />
			<arg value="-DrepositoryId=${ossrh-server-id}" />
			<arg value="-DpomFile=pom.xml" />
			<arg value="-Dfile=${javadoc-jar}" />
			<arg value="-Dclassifier=javadoc" />
			<arg value="-Pgpg" />
		</exec>
	</target>

</project>