/** POST /categorys -> Create a new category. */
 @RequestMapping(
     value = "/categorys",
     method = RequestMethod.POST,
     produces = MediaType.APPLICATION_JSON_VALUE)
 @Timed
 public ResponseEntity<Category> createCategory(@Valid @RequestBody Category category)
     throws URISyntaxException {
   log.debug("REST request to save Category : {}", category);
   if (category.getId() != null) {
     return ResponseEntity.badRequest()
         .headers(
             HeaderUtil.createFailureAlert(
                 "category", "idexists", "A new category cannot already have an ID"))
         .body(null);
   }
   Category result = categoryService.save(category);
   return ResponseEntity.created(new URI("/api/categorys/" + result.getId()))
       .headers(HeaderUtil.createEntityCreationAlert("category", result.getId().toString()))
       .body(result);
 }