Spring 四 MVC + JSONP Example

Spring 4 MVC + JSONP Example with REST, @ResponseBody and ResponseEntity

@ControllerAdvice
public class JsonpAdvice extends AbstractJsonpResponseBodyAdvice {
    public JsonpAdvice() {
        super("callback");
    }
} 

@Controller
class BookController {
    @RequestMapping(value ="/book2", produces =MediaType.APPLICATION_JSON_VALUE )
    @ResponseBody
    Book bookInfo2() {
    	Book book = new Book();
    	book.setBookName("Ramcharitmanas");
    	book.setWriter("TulasiDas");
    	return book;
    }
    @RequestMapping(value ="/book3", produces =MediaType.APPLICATION_JSON_VALUE )
    public ResponseEntity<Book> bookInfo3() {
    	Book book = new Book();
    	book.setBookName("Ramayan");
    	book.setWriter("Valmiki");
        return ResponseEntity.accepted().body(book);
    } 
}