@RequestMapping(value = "/{apiName}", method = RequestMethod.GET, produces = "application/json")
 public @ResponseBody ControllerDocumentation getApiDocumentation(
     @PathVariable("apiName") String apiName) {
   return apiReader.getDocumentation(apiName);
 }
 @RequestMapping(method = RequestMethod.GET, produces = "application/json")
 public @ResponseBody Documentation getResourceListing() {
   return apiReader.getResourceListing();
 }