protected function _extractPath($aPath)
    {
        $sExtPath = '';
        $blBuildPath = false;
        for ($i = count($aPath); $i > 0; $i--) {
            $sDir = $aPath[$i - 1];
            if ($blBuildPath) {
                $sExtPath = $sDir . '/' . $sExtPath;
            }
            if (stristr($sDir, EditionPathProvider::SETUP_DIRECTORY)) {
                $blBuildPath = true;
            }
        }

        return $sExtPath;
    }