Commandline cl = new Commandline();

        cl.setExecutable( "java" );

        StringBuffer cpBuffer = new StringBuffer();

        for ( Iterator it = getUniqueClasspathElements().iterator(); it.hasNext(); )
        {
            cpBuffer.append( (String) it.next() );

            if ( it.hasNext() )
            {
                cpBuffer.append( File.pathSeparator );
            }
        }

        for ( Iterator it = pluginArtifacts.iterator(); it.hasNext(); )
        {
            Artifact artifact = (Artifact) it.next();

            try
            {
                cpBuffer.append( File.pathSeparator ).append( artifact.getFile().getCanonicalPath() );
            }
            catch ( IOException e )
            {
                throw new MojoExecutionException( "Error while creating the canonical path for '" + artifact.getFile()
                                + "'.", e );
            }
        }

        cl.createArgument().setValue( "-cp" );

        cl.createArgument().setValue( cpBuffer.toString() );

        cl.createArgument().setValue( TOOL_NAME_JPOX_ENHANCER );

        cl.createArgument().setValue( "-v" );

        for ( Iterator it = files.iterator(); it.hasNext(); )
        {
            File file = (File) it.next();

            cl.createArgument().setValue( file.getAbsolutePath() );
        }

        CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();

        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();

        getLog().debug( "Executing command line:" );

        getLog().debug( cl.toString() );

        int exitCode = CommandLineUtils.executeCommandLine( cl, stdout, stderr );

        getLog().debug( "Exit code: " + exitCode );

        getLog().debug( "--------------------" );
        getLog().debug( " Standard output from the JPox enhancer tool:" );