public static boolean isRecognizedFileExtension(String fileExtension) {
		boolean isRecognizedFileExtension = false;
		if ((null != fileExtension) && (!fileExtension.isEmpty())) {
			String[] recognizedExtensions;
			String extensions = ValidatorProperties.getInstance().getProperty(
					PropertyKeys.RECOGNIZED_FILE_EXTENSIONS.toString());
			recognizedExtensions = extensions.split(Constants.PROPERTIES_SEPARATOR.toString());
			isRecognizedFileExtension = Arrays.asList(recognizedExtensions).contains(fileExtension);
		}
		return isRecognizedFileExtension;
	}