docs: public void loadPropertiesFromFile(final String propertiesFile)
  			throws IOException {
  		LOG.info("Loading properties from file: " + propertiesFile);
  		File file = new File(propertiesFile);
  
  		String bundleName = file.getPath().substring(0,
  				file.getPath().indexOf("properties") - 1);
  		FileInputStream inputStream = null;
  
  		try {
  			inputStream = new FileInputStream(file);
  			ResourceBundle bundle = new PropertyResourceBundle(inputStream);
  			LOG.info("Adding to bunlde: " + bundleName);
  			bundles.put(bundleName, bundle);
  		} finally {
  			if (inputStream != null) {
  				inputStream.close();
  			}
  		}
  
  	}