/**
     * @param eZINI $importINI
     * @return void
     */
    public static function init(eZINI $importINI)
    {
        $extDir = eZSys::rootDir() . '/extension/';

        //Get generated mapping config file
        $jsonFile     = $extDir . $importINI->variable('XMLImportSettings', 'MappingConfigGeneratedFile');
        $jsonString   = file_get_contents($jsonFile);
        $mapGenerated = json_decode($jsonString, true);

        //Get fixed mapping config file
        $jsonFile   = $extDir . $importINI->variable('XMLImportSettings', 'MappingConfigFixedFile');
        $jsonString = file_get_contents($jsonFile);
        $mapFixed   = json_decode($jsonString, true);

        //Merge both file
        self::$mapping = $mapGenerated + $mapFixed;
    }