asyncManager.async(() -> {
            switch (fileType) {
            case 1:
                importSystemProperties(fileName, tempFile);
                break;
            case 2:
                importGsaXml(fileName, tempFile);
                break;
            case 3:
                importBulk(fileName, tempFile);
                break;
            case 4:
                importFessJson(fileName, tempFile);