Ant integration

What is ant ?

Ant is a software distributed by the Apache foundation. It is the equivalent of Make from the C/C++ world in the Java world.

Just4Log is plugged into ant via the use of new Task. This task can be simply called in a target element of your ant script.

Download

To use Just4log, you'll need a few libraries:

• Apache BCEL 5.1 ( At least )
• Apache Commons Logging 1.0.3
• And of course the latest jarfile of Just4log

Installation in Ant

Get all three compiled binary Jarfiles from all three libraries and put them into the "lib" directory in your ant installation. ( The directory to which point the ANT_HOME variable)

Declaration and use of the task

Before being able to use the new task in your ant script, you need to define it:

<taskdef name="just4log" classname="net.sf.just4log.integration.ant.Just4LogTask"/>

  <target name="compile" depends="init"
        description="compile the source " >
    <!-- Compile the java code from ${src} into ${build} -->
    <javac srcdir="${src}" destdir="${build}" debug="on"/>
    <just4log destDir="${build.speed}" classpathref="referencetocp"  enters="true" exits="true">
    	<src path="${build}"/>
    </just4log>
  </target>

• destDir is the directory to put the newly optimized classes/zipfiles.
• classpathref is a reference to a classpath for external libraries.
• enters and exits indicate whether or not to insert automatically log statments at every entry or exit of every method.
• src is a directory from which to get the classes to optimize