java: A simple ANT template

<?xml version="1.0" ?>
<project name="secondbuildJAR" default="compile">

 <property file="${user.home}/build.properties"/>
 
 <property name="source.dir"           location="src"/>
 <property name="build.dir"            location="build"/>
 <property name="build.classes.dir"    location="${build.dir}/classes"/>
 <property name="distribution.dir"     location="dist"/>
 <property name="distribution.doc.dir" location="${distribution.dir}/doc" />

 
 <property name="project.name"    value="${ant.project.name}" />
 <property name="project.version" value="0.1.alpha" />
 <property name="target.name"     value="${project.name}-${project.version}.jar" />
 <property name="target.jar"      location="${distribution.dir}/${target.name}" /> 
 
    
 <patternset id="meta.files">
        <include name="**/*.xml"/>
        <include name="**/*.properties"/>
    </patternset> 
 

 <path id="compile.classpath">
   <fileset dir="lib">
     <include name="*.jar"/>
     <include name="*.zip"/>    
   </fileset>
 </path>
 
 
 
 <path id="run.classpath">
   <path refid="compile.classpath"/>
   <pathelement location="${target.jar}"/>
 </path>

 
 
 <target name="clean">
  <delete dir="${build.dir}" />      
  <delete dir="${distribution.dir}" /> <!--this will delete both dist and dist/doc -->

  <mkdir dir="${build.classes.dir}" />
  <mkdir dir="${distribution.doc.dir}" />
 </target>

 
 
    <!-- Copy metadata to build classpath -->
    <target name="copymetafiles" depends="clean">
        <copy todir="${build.classes.dir}">
            <fileset dir="${source.dir}">
                <patternset refid="meta.files"/>
            </fileset>
        </copy>
    </target> 
 
 

 <target name="compile" depends="copymetafiles" description="Compiles the project">
  <javac srcdir="${source.dir}" 
      destdir="${build.classes.dir}" 
      debug="${build.debug}">
      <classpath refid="compile.classpath"/>
  </javac>
 </target>


 <target name="archive" depends="compile" description="JARs up the project">
  <jar destfile="${target.jar}"
    duplicate="preserve"
    manifest="${source.dir}/META-INF/MANIFEST.MF">
   <fileset dir="${build.classes.dir}"/>
  </jar>
 </target>
     
     

 <target name="execute" depends="archive" description="Executes the main class">
  <echo>running this program now!!!</echo>
  <java classname="org.antbook.welcome.Main" classpathref="run.classpath" failonerror="true">
   <arg value="a" />
   <arg value="b" />
   <arg file="." />
  </java>
  <echo>end running the program!!!</echo>  
 </target>


 <target name="echo">
  <echo message="ant.file = ${ant.file}" /><!--where this ant file is located-->
  <echo message="ant.home = ${ant.home}" />
  <echo>ant.version = ${ant.version}</echo>
  <echo>java.home = ${java.home}</echo>
  <echo message="ant.java.version = ${ant.java.version}" />
  <echo>ant.project.name = ${ant.project.name}</echo>
  <echo>user.name = ${user.name}</echo>
  <echo>user.home = ${user.home}</echo>
  <echo>basedir = ${basedir}</echo>
  <echo>build.debug = ${build.debug}</echo>
 </target>
 


</project>