Java tutorial
/* * Copyright 2002-2015 the original author or authors. * * 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 demo; import javax.servlet.http.HttpSession; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; @RestController public class SessionController { private final Logger LOGGER = LoggerFactory.getLogger(getClass()); @RequestMapping("/") public String hello() { LOGGER.debug("hi debug"); return "Hello\n"; } @RequestMapping("/logging") public String logging(@RequestParam(defaultValue = "false") boolean enable, HttpSession session) { if (enable) { session.setAttribute(LoggingKey.LOGGING_KEY, "true"); } else { session.removeAttribute(LoggingKey.LOGGING_KEY); } return enable + "\n"; } }