code: public String resolveLocaleCode(HttpServletRequest request) {
  		org.springframework.web.servlet.LocaleResolver resolver = RequestContextUtils.getLocaleResolver(request);
  		Locale resolved = resolver.resolveLocale(request);
  		if(resolved != Locale.getDefault())
  			return resolved.toString();
  		else return null;
  	}
docs: /* (non-Javadoc)
  @see net.jawr.web.resource.bundle.locale.LocaleResolver#resolveLocaleCode(javax.servlet.http.HttpServletRequest)