Java tutorial
/* * Copyright 2014 Tagbangers, 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 org.wallride.web.controller.admin.system; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Controller; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import org.springframework.ui.Model; 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.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.support.RedirectAttributes; import org.thymeleaf.spring4.SpringTemplateEngine; import org.wallride.exception.ServiceException; import org.wallride.service.SystemService; import org.wallride.web.support.DefaultModelAttributeInterceptor; import javax.inject.Inject; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @Controller @RequestMapping("/{language}/system") public class SystemIndexController { private static Logger logger = LoggerFactory.getLogger(SystemIndexController.class); @Inject private SystemService systemService; @Inject private ServletContext servletContext; @RequestMapping(method = RequestMethod.GET) public String index(Model model) { model.addAttribute("system", System.getProperties()); return "system/index"; } @Transactional(propagation = Propagation.REQUIRED) @RequestMapping(value = "/re-index", method = RequestMethod.POST) public String reIndex(@PathVariable String language, RedirectAttributes redirectAttributes) throws Exception { // FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager); // fullTextEntityManager.createIndexer().start(); systemService.reIndex(); redirectAttributes.addFlashAttribute("reIndex", true); redirectAttributes.addAttribute("language", language); return "redirect:/_admin/{language}/system"; } @Transactional(propagation = Propagation.REQUIRED) @RequestMapping(value = "/clear-cache", method = RequestMethod.POST) public String clearCache(@PathVariable String language, RedirectAttributes redirectAttributes, HttpServletRequest request, HttpServletResponse response) throws Exception { WebApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(servletContext, "org.springframework.web.servlet.FrameworkServlet.CONTEXT.guestServlet"); if (context == null) { throw new ServiceException("GuestServlet is not ready yet"); } DefaultModelAttributeInterceptor interceptor = context.getBean(DefaultModelAttributeInterceptor.class); ModelAndView mv = new ModelAndView("dummy"); interceptor.postHandle(request, response, this, mv); SpringTemplateEngine templateEngine = context.getBean("templateEngine", SpringTemplateEngine.class); logger.info("Clear cache started"); templateEngine.clearTemplateCache(); logger.info("Clear cache finished"); redirectAttributes.addFlashAttribute("clearCache", true); redirectAttributes.addAttribute("language", language); return "redirect:/_admin/{language}/system"; } }