<project name="interfaceLibrary" default="build" basedir=".">


    <target name="build" depends="init">
       <iajc 
       	classpath="${aspectjrt.jar}"
       	outjar="interfaceOnly.jar"
       	srcdir="."
       	includes="lib/LibraryInterface.java"/>

       <iajc 
       	classpath="${aspectjrt.jar}${path.separator}interfaceOnly.jar"
       	outjar="aspectOnly.jar"
       	srcdir="."
       	includes="LibraryAspect.java"/>

       <iajc 
       	classpath="${aspectjrt.jar}"
       	aspectpath="aspectOnly.jar"
       	outjar="aspectedInterfaceOnly.jar"
       	srcdir="."
       	includes="lib/LibraryInterface.java"/>

       <iajc 
       	classpath="${aspectjrt.jar}"
       	aspectpath="aspectOnly.jar"
       	injars="interfaceOnly.jar"
       	outjar="aspectedInterfaceOnlyBinary.jar"/>

    </target>
    
    <target name="init"  depends="init.variables,init.taskdefs"/>

    <target name="init.variables" 
     description="init variables">
     
      <!-- required directories - run from examples or predefine -->
      <property name="interfaceLibrary.dir"
            location="${basedir}"/> 
      <property name="aspectj.lib.dir"
            location="${interfaceLibrary.dir}/../../../aj-build/dist/tools/lib"/> 

      <!-- required libraries - install or predefine -->
      <property name="aspectjrt.jar"
            location="${aspectj.lib.dir}/aspectjrt.jar"/> 
      <property name="aspectjtools.jar"
            location="${aspectj.lib.dir}/aspectjtools.jar"/> 

      <!-- checking required libraries -->
      <available file="${aspectjtools.jar}"
             property="aspectjtools.jar.available"/>
      <available file="${aspectjrt.jar}"
             property="aspectjrt.jar.available"/>

    </target>

    <target name="init.taskdefs" depends="init.variables, 
         aspectjtools.jar.available,
         aspectjrt.jar.available"
         unless="taskdefs.init">
      <!-- sets name of new task to iajc, old task to ajc -->
      <taskdef resource="org/aspectj/tools/ant/taskdefs/aspectjTaskdefs.properties">
          <classpath> 
            <pathelement path="${aspectjtools.jar}"/> 
          </classpath>
      </taskdef>
	  <property name="taskdefs.init" value="true"/>
    </target>

    <!-- targets to fail unless required libraries available -->

    <target name="aspectjrt.jar.available" depends="init.variables" 
          unless="aspectjrt.jar.available" >
      <fail message="expecting aspectjrt.jar at ${aspectjrt.jar}"/>
    </target>

    <target name="aspectjtools.jar.available" depends="init.variables" 
          unless="aspectjtools.jar.available" >
      <fail message="expecting aspectjtools.jar at ${aspectjtools.jar}"/>
    </target>

</project>