Java tutorial
/* * Copyright 2016 Pigumer Group Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package jp.pigumer.app; import org.springframework.security.core.annotation.AuthenticationPrincipal; import org.springframework.security.core.userdetails.User; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller public class Hello { @RequestMapping("/hello") public ModelAndView hello(@AuthenticationPrincipal User user) { ModelAndView mv = new ModelAndView(); mv.addObject("user", user.getUsername()); mv.setViewName("hello"); return mv; } }