Spring Boot—12 URL Mapping

package com.sample.smartmap.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.sample.smartmap.entity.User;
import com.sample.smartmap.service.UserService;
/**
 * mvc url mapping test
 * @author lijiazhi
 *
 */
@Controller
@RequestMapping("/urlmapper")
public class URLMapperController {
    
    @Autowired UserService userService;
    

    @RequestMapping(path="/user/all/*.json" ,method = RequestMethod.GET)
    @ResponseBody
    public   List<User> allUser() {
        return userService.allUser();
    }
    
    
    
    @RequestMapping(path="/user/{id}.json" ,method = RequestMethod.GET)
    @ResponseBody
    public   User getById( @PathVariable Long id) {
        return userService.getUserById(id);
    }
    
    @GetMapping(path = "/{userId}.json", produces = "application/json")
    @ResponseBody
    public   User getUserById( @PathVariable Long userId) {
        return userService.getUserById(userId);
    }
    
    @GetMapping(value="/consumes/test.json",consumes = "application/json" )
    @ResponseBody
    public   User forJson() {
      return userService.getUserById(1l);
    }

}