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<?xml version="1.0"?>

<project name="<<PROJECT NAME>>" default="build" basedir=".">

  <!-- load properties first -->
  <!--<property file="${user.home}/${name}.build.properties" />-->
  <!--<property file="${root}/build.properties" />-->

  <!-- these are optional, only used if you uncomment the project.class.path filesets below -->
  <property name="hadoop.home" location="${basedir}/../hadoop"/>
  <property name="hadoop.lib" location="${hadoop.home}/lib"/>


  <!-- assumes Cascading shares the same parent directory, change if necessary -->
  <property name="cascading.home" location="${basedir}/../cascading"/>
  <property file="${cascading.home}/version.properties"/>
  <property name="cascading.release.version" value="x.y.z"/>
  <property name="cascading.filename.core" value="cascading-core-${cascading.release.version}.jar"/>
  <property name="cascading.filename.xml" value="cascading-xml-${cascading.release.version}.jar"/>
  <property name="cascading.libs" value="${cascading.home}/lib"/>
  <property name="cascading.libs.core" value="${cascading.libs}"/>
  <property name="cascading.libs.xml" value="${cascading.libs}/xml"/>

  <condition property="cascading.path" value="${cascading.home}/"
             else="${cascading.home}/build">
    <available file="${cascading.home}/${cascading.filename.core}"/>
  </condition>

  <property name="cascading.lib.core" value="${cascading.path}/${cascading.filename.core}"/>
  <property name="cascading.lib.xml" value="${cascading.path}/${cascading.filename.xml}"/>

  <property name="src.dir" location="${basedir}/src/java"/>
  <property name="src.test" location="${basedir}/src/test"/>

  <available file="${src.dir}" type="dir" property="main.available"/>
  <available file="${src.test}" type="dir" property="test.available"/>

  <property name="conf.dir" location="${hadoop.home}/conf"/>

  <property name="lib.dir" location="${basedir}/lib"/>

  <property name="build.dir" location="${basedir}/build/"/>
  <property name="build.classes" location="${build.dir}/classes"/>
  <property name="build.test" location="${build.dir}/test"/>

  <property name="dist" location="dist"/>

  <path id="project.class.path">
    <pathelement location="${build.classes}"/>
    <pathelement location="${build.test}"/>
    <pathelement location="${cascading.lib.core}"/>
    <pathelement location="${cascading.lib.xml}"/>

    <fileset dir="${lib.dir}">
      <include name="*.jar"/>
    </fileset>

    <!-- only enable if you directly access Hadoop code in your project -->
    <!--<fileset dir="${hadoop.lib}">-->
    <!--<include name="*.jar"/>-->
    <!--</fileset>-->

    <!--<fileset dir="${hadoop.root}">-->
    <!--<include name="*.jar"/>-->
    <!--</fileset>-->

  </path>

  <target name="clean">

    <echo message="cleaning..."/>
    <delete dir="${build.dir}"/>
    <delete dir="${dist}"/>
    <delete dir="${ant.project.name}.tgz"/>

  </target>

  <target name="build">

    <echo message="building..."/>
    <echo message="using cascading lib: ${cascading.lib.core}"/>
    <mkdir dir="${build.classes}"/>
    <mkdir dir="${lib.dir}"/>

    <javac srcdir="${src.dir}" destdir="${build.classes}" verbose="off">
      <classpath refid="project.class.path"/>
    </javac>

    <copy todir="${build.classes}">
      <fileset dir="${src.dir}">
        <exclude name="**/*.java"/>
      </fileset>
    </copy>

  </target>

  <target name="jar" depends="build" description="creates a Hadoop ready jar will all dependencies">

    <!-- copy Cascading classes and libraries -->
    <copy todir="${build.classes}/lib" file="${cascading.lib.core}"/>
    <copy todir="${build.classes}/lib" file="${cascading.lib.xml}"/>
    <copy todir="${build.classes}/lib">
      <fileset dir="${cascading.libs.core}" includes="*.jar"/>
      <fileset dir="${cascading.libs.xml}" includes="*.jar"/>
    </copy>


    <jar jarfile="${build.dir}/${ant.project.name}.jar">
      <fileset dir="${build.classes}"/>
      <fileset dir="${basedir}" includes="lib/"/>
      <manifest>
        <attribute name="Main-Class" value="${ant.project.name}/Main"/>
      </manifest>
    </jar>

  </target>

  <target name="dist" depends="clean" description="packages current project">

    <mkdir dir="${dist}"/>

    <copy todir="${dist}">

      <fileset dir=".">
        <include name="data/**"/>
        <include name="src/**"/>
        <include name="lib/**"/>
        <include name="build.xml"/>
        <include name="README.TXT"/>
      </fileset>

    </copy>

  </target>

  <target name="tar" depends="dist" description="creates an archive of current project">
    <tar destfile="${ant.project.name}.tgz"
         compression="gzip">
      <tarfileset dir="dist/" prefix="${ant.project.name}">
        <include name="**/**"/>
      </tarfileset>
    </tar>
  </target>

</project>