sample.tomcat.jsp.MessageController.java Source code

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Here is the source code for sample.tomcat.jsp.MessageController.java

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/*
 * Copyright 2012-2015 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 sample.tomcat.jsp;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.support.PagedListHolder;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@RestController
final class MessageController extends WebMvcConfigurerAdapter {
    /*
     * @Override public void addViewControllers(ViewControllerRegistry registry)
     * { registry.addViewController(" /").setViewName("home"); }
     */
    private final MessageService messageService;

    @Autowired
    public MessageController(MessageService messageService) {
        this.messageService = messageService;
    }

    public static final int DEFAULT_PAGE_SIZE = 10;
    static final Logger logger = LoggerFactory.getLogger(MessageController.class);

    @RequestMapping(value = "/form", method = RequestMethod.GET)
    @ModelAttribute
    public String showForm(@ModelAttribute("message") Message message, Research research,
            HttpServletRequest request) {
        return "showForm";
    }

    @RequestMapping(value = "/result", method = RequestMethod.GET)
    @ModelAttribute
    public String create(@Valid @ModelAttribute("message") Message message, BindingResult bindingResult,
            Model model, Research research, HttpServletRequest request) {
        if (bindingResult.hasErrors()) {
            logger.info("Validation errors:" + bindingResult.getAllErrors());
            return "showForm";
        }
        try {
            messageService.save(message);
        } catch (Exception e) {
            System.out.println("Failed to send message ....:" + e.getMessage());
        }
        model.addAttribute(message);
        return "result";
    }

    @RequestMapping(value = "/list", method = RequestMethod.GET)
    public ModelAndView showList(@RequestParam(required = false) Integer page,
            @RequestParam(required = false) Integer maxItems, @ModelAttribute("research") Research research) {
        ModelAndView modelAndView = new ModelAndView("list");
        List<Message> messageList = messageService.findAll();
        PagedListHolder<Message> pagedListHolder = new PagedListHolder<>(messageList);
        modelAndView.addObject("maxItems", pagedListHolder.getPageSize());
        modelAndView.addObject("maxPages", pagedListHolder.getPageCount());
        if (maxItems == null || maxItems < 1 || maxItems > pagedListHolder.getPageSize()) {
            pagedListHolder.setPageSize(DEFAULT_PAGE_SIZE);
        } else {
            pagedListHolder.setPageSize(maxItems);
        }
        if (page == null || page < 1 || page > pagedListHolder.getPageCount())
            page = 1;
        modelAndView.addObject("page", page);
        if (page == null || page < 1 || page > pagedListHolder.getPageCount()) {
            pagedListHolder.setPage(0);
            modelAndView.addObject("messageList", pagedListHolder.getPageList());
        } else if (page <= pagedListHolder.getPageCount()) {
            pagedListHolder.setPage(page - 1);
            modelAndView.addObject("messageList", pagedListHolder.getPageList());
        }

        return modelAndView;
    }

    @RequestMapping(value = "/search", method = RequestMethod.GET)
    public ModelAndView showSearch(HttpServletRequest request,
            @RequestParam(value = "name", required = true) String name,
            @RequestParam(required = false) Integer page, @RequestParam(required = false) Integer maxItems,
            @ModelAttribute("research") Research research) {
        ModelAndView modelAndView = new ModelAndView("search");
        name = request.getParameter("name");
        List<Message> messageSearch = messageService.findByFirstNameContainsOrLastNameContainsAllIgnoreCase(name,
                name);
        PagedListHolder<Message> pagedListHolder = new PagedListHolder<>(messageSearch);
        // pagedListHolder.setPageSize(maxItems);
        modelAndView.addObject("maxItems", pagedListHolder.getPageSize());
        modelAndView.addObject("maxPages", pagedListHolder.getPageCount());
        if (maxItems == null || maxItems < 1 || maxItems > pagedListHolder.getPageSize()) {
            pagedListHolder.setPageSize(DEFAULT_PAGE_SIZE);
        } else {
            pagedListHolder.setPageSize(maxItems);
        }

        if (page == null || page < 1 || page > pagedListHolder.getPageCount())
            page = 1;
        modelAndView.addObject("page", page);
        if (page == null || page < 1 || page > pagedListHolder.getPageCount()) {
            pagedListHolder.setPage(0);
            modelAndView.addObject("messageSearch", pagedListHolder.getPageList());
        } else if (page <= pagedListHolder.getPageCount()) {
            pagedListHolder.setPage(page - 1);
            modelAndView.addObject("messageSearch", pagedListHolder.getPageList());
        }

        return modelAndView;
    }

}