code: public static boolean isSourceMapRequest(HttpServletRequest request) {
  		String pathInfo = request.getPathInfo();
  		boolean result = false;
  		if (pathInfo != null && isSourceMapsEnabled(request)) {
  			if (pathInfo.endsWith(ILayer.SOURCEMAP_RESOURCE_PATH)) {
  				result = true;
  			}
  		}
  		return result;
  	}
docs: @param request
  the request object
  
  @return True if this is a request for a source map