/*Admin Author*/
 @RequestMapping(
     value = "/getAuthors/{pageNo}/{pageSize}",
     method = {RequestMethod.GET, RequestMethod.POST},
     produces = "application/json")
 public List<Author> getAuthors(@PathVariable int pageNo, @PathVariable int pageSize) {
   return adao.getAllAuthors(pageNo, pageSize);
 }
 @RequestMapping(
     value = "/deleteAuthor",
     method = {RequestMethod.GET, RequestMethod.POST},
     consumes = "application/json",
     produces = "application/json")
 public List<Author> deleteAuthor(@RequestBody Author author) {
   adao.deleteAuthor(author);
   return adao.getAllAuthors(1, 5);
 }