org.wallride.web.controller.admin.system.SystemIndexController.java Source code

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/*
 * 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";
    }
}