text: package com.forezp.controller;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.security.access.prepost.PreAuthorize;
  import org.springframework.security.core.Authentication;
  import org.springframework.security.oauth2.provider.OAuth2Authentication;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.security.Principal;
  
  
  /**
   * Created by forezp on 2017/5/30.
   */
  @RestController
  public class HiController {
      Logger logger= LoggerFactory.getLogger(HiController.class);
  
      @Value("${server.port}")
      String port;
  
  
      @RequestMapping("/hi")
      public String home() {
          return "hi :"+",i am from port:" +port;
      }
  
      @PreAuthorize("hasAuthority('ROLE_ADMIN')")  //
      @RequestMapping("/hello")
      public String hello (){
          return "hello you!";
      }
      @GetMapping("/getPrinciple")
      public OAuth2Authentication getPrinciple(OAuth2Authentication oAuth2Authentication, Principal principal,
                               Authentication authentication){
  
          logger.info(oAuth2Authentication.getUserAuthentication().getAuthorities().toString());
          logger.info(oAuth2Authentication.toString());
          logger.info("principal.toString()"+principal.toString());
          logger.info("principal.getName()"+principal.getName());
          logger.info("authentication:"+authentication.getAuthorities().toString());
  
          return oAuth2Authentication;
  
      }
  }
  