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

 <project name="extensionpoint" default="run" basedir=".">

     <target name="clean">

         <delete dir="build"/>

     </target>

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

     <target name="build">

         <antcall target="-build-one">

             <param name="version" value="api"/>

         </antcall>

         <antcall target="-build-one">

             <param name="version" value="helloworld"/>

             <param name="cp" location="build/api/classes"/>

         </antcall>

         <antcall target="-build-one">

             <param name="version" value="hellodesign"/>

             <param name="cp" location="build/api/classes"/>

         </antcall>

     </target>

     <target name="run" depends="build">

         <echo level="info" message="Running without any extension points."/>

         <antcall target="-run-one">

         </antcall>

         <echo level="info" message="Running with 'Hello World!' extension."/>

         <antcall target="-run-one">

             <param name="version1" value="helloworld"/>

         </antcall>

         <echo level="info" message="Running with 'Hello Design!' extension."/>

         <antcall target="-run-one">

             <param name="version1" value="hellodesign"/>

         </antcall>

         <echo level="info" message="Running with both extension."/>

         <antcall target="-run-one">

             <param name="version1" value="helloworld"/>

             <param name="version2" value="hellodesign"/>

         </antcall>

     </target>

     <!-- support methods -->

     <target name="-run-one">

         <java 

             classpath="build/${version1}/classes:build/${version2}/classes:build/api/classes:../libs/dist/org-openide-util.jar" 

             classname="org.apidesign.extensionpoint.Main"

             failonerror="true" 

         >

             <jvmarg value="-ea"/>

         </java>

     </target>

     <target name="-build-one">

         <fail message="You need to specify version number" unless="version"/>

         <mkdir dir="build/${version}/classes"/>

         <property name="cp" value=""/>

         <javac 

             srcdir="src-${version}" 

             destdir="build/${version}/classes" 

             source="1.5" target="1.5"

             classpath="${cp}:../libs/dist/org-openide-util.jar"

         />

         <copy todir="build/${version}/classes">

             <fileset dir="src-${version}">

                 <exclude name="**/*.java"/>

             </fileset>

         </copy>

     </target>

 </project>