code: protected ResourceBundleHandler initResourceBundleHandler() {
  		ResourceBundleHandler rsHandler = null;
  		if (jawrConfig.getUseBundleMapping() && StringUtils.isNotEmpty(jawrConfig.getJawrWorkingDirectory())) {
  			rsHandler = new ServletContextResourceBundleHandler(servletContext, jawrConfig.getJawrWorkingDirectory(),
  					jawrConfig.getResourceCharset(), jawrConfig.getGeneratorRegistry(), resourceType);
  		} else {
  			rsHandler = new ServletContextResourceBundleHandler(servletContext, jawrConfig.getResourceCharset(),
  					jawrConfig.getGeneratorRegistry(), resourceType);
  		}
  		return rsHandler;
  	}
docs: Initialize the resource bundle handler
  
  @return the resource bundle handler