Java tutorial
/** * Most of the code in the Qalingo project is copyrighted Hoteia and licensed * under the Apache License Version 2.0 (release version 0.8.0) * http://www.apache.org/licenses/LICENSE-2.0 * * Copyright (c) Hoteia, 2012-2014 * http://www.hoteia.com - http://twitter.com/hoteia - contact@hoteia.com * */ package org.hoteia.qalingo.web.mvc.controller.enginesetting; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Locale; import javax.servlet.http.HttpServletRequest; import javax.validation.Valid; import org.apache.commons.lang.StringUtils; import org.hoteia.qalingo.core.Constants; import org.hoteia.qalingo.core.ModelConstants; import org.hoteia.qalingo.core.RequestConstants; import org.hoteia.qalingo.core.domain.EngineSetting; import org.hoteia.qalingo.core.domain.EngineSettingValue; import org.hoteia.qalingo.core.domain.MarketArea; import org.hoteia.qalingo.core.domain.enumtype.BoUrls; import org.hoteia.qalingo.core.i18n.enumtype.ScopeWebMessage; import org.hoteia.qalingo.core.web.mvc.form.EngineSettingForm; import org.hoteia.qalingo.core.web.mvc.form.EngineSettingValueForm; import org.hoteia.qalingo.core.web.mvc.viewbean.EngineSettingViewBean; import org.hoteia.qalingo.core.web.resolver.RequestData; import org.hoteia.qalingo.core.web.servlet.ModelAndViewThemeDevice; import org.hoteia.qalingo.core.web.servlet.view.RedirectView; import org.hoteia.qalingo.web.mvc.controller.AbstractTechnicalBackofficeController; import org.springframework.beans.support.PagedListHolder; import org.springframework.stereotype.Controller; 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.servlet.ModelAndView; /** * */ @Controller("engineSettingController") public class EngineSettingController extends AbstractTechnicalBackofficeController { public static final String SESSION_KEY = "PagedListHolder_EngineSettings"; @RequestMapping(value = BoUrls.ENGINE_SETTING_LIST_URL, method = RequestMethod.GET) public ModelAndView engineSettingList(final HttpServletRequest request, final Model model) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.ENGINE_SETTING_LIST.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final MarketArea marketArea = requestData.getMarketArea(); displayList(request, model, requestData); Object[] params = { marketArea.getName() + " (" + marketArea.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ENGINE_SETTING_LIST.getKey(), params); return modelAndView; } @RequestMapping(value = BoUrls.ENGINE_SETTING_DETAILS_URL, method = RequestMethod.GET) public ModelAndView engineSettingDetails(final HttpServletRequest request, final Model model) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.ENGINE_SETTING_DETAILS.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final String engineSettingCode = request .getParameter(RequestConstants.REQUEST_PARAMETER_ENGINE_SETTING_CODE); // SANITY CHECK if (StringUtils.isEmpty(engineSettingCode)) { final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_LIST, requestData); return new ModelAndView(new RedirectView(urlRedirect)); } final EngineSetting engineSetting = engineSettingService.getEngineSettingByCode(engineSettingCode); // SANITY CHECK if (engineSetting != null) { modelAndView.addObject(ModelConstants.ENGINE_SETTING_VIEW_BEAN, backofficeViewBeanFactory.buildViewBeanEngineSetting(requestData, engineSetting)); } else { final String url = requestUtil.getLastRequestUrl(request); return new ModelAndView(new RedirectView(url)); } model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_LIST, requestData)); Object[] params = { engineSetting.getName() + " (" + engineSetting.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ENGINE_SETTING_DETAILS.getKey(), params); return modelAndView; } @RequestMapping(value = BoUrls.ENGINE_SETTING_EDIT_URL, method = RequestMethod.GET) public ModelAndView engineSettingEdit(final HttpServletRequest request, final Model model, @ModelAttribute(ModelConstants.ENGINE_SETTING_FORM) EngineSettingForm engineSettingForm) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.ENGINE_SETTING_EDIT.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final String engineSettingCode = request .getParameter(RequestConstants.REQUEST_PARAMETER_ENGINE_SETTING_CODE); if (StringUtils.isNotEmpty(engineSettingCode)) { // EDIT MODE final EngineSetting engineSetting = engineSettingService.getEngineSettingByCode(engineSettingCode); EngineSettingViewBean engineSettingViewBean = backofficeViewBeanFactory .buildViewBeanEngineSetting(requestData, engineSetting); request.setAttribute(ModelConstants.ENGINE_SETTING_VIEW_BEAN, engineSettingViewBean); Object[] params = { engineSetting.getName() + " (" + engineSetting.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ENGINE_SETTING_EDIT.getKey(), params); model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_DETAILS, requestData, engineSetting)); } else { final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_LIST, requestData); return new ModelAndView(new RedirectView(urlRedirect)); } return modelAndView; } @RequestMapping(value = BoUrls.ENGINE_SETTING_EDIT_URL, method = RequestMethod.POST) public ModelAndView submitEngineSettingEdit(final HttpServletRequest request, final Model model, @Valid @ModelAttribute(ModelConstants.ENGINE_SETTING_FORM) EngineSettingForm engineSettingForm, BindingResult result) throws Exception { final RequestData requestData = requestUtil.getRequestData(request); final Locale locale = requestData.getLocale(); if (result.hasErrors()) { return engineSettingEdit(request, model, engineSettingForm); } EngineSetting engineSetting = null; if (StringUtils.isNotEmpty(engineSettingForm.getId())) { engineSetting = engineSettingService.getEngineSettingById(engineSettingForm.getId()); } try { // CREATE OR UPDATE ENGINE SETTING webBackofficeService.createOrUpdateEngineSetting(engineSetting, engineSettingForm); if (engineSetting == null) { addSessionSuccessMessage(request, getSpecificMessage(ScopeWebMessage.ENGINE_SETTING, "create_success_message", locale)); final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_LIST, requestData); return new ModelAndView(new RedirectView(urlRedirect)); } else { addSessionSuccessMessage(request, getSpecificMessage(ScopeWebMessage.ENGINE_SETTING, "update_success_message", locale)); final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_DETAILS, requestData, engineSetting); return new ModelAndView(new RedirectView(urlRedirect)); } } catch (Exception e) { addMessageError(result, null, "code", "code", getSpecificMessage(ScopeWebMessage.ENGINE_SETTING, "create_or_update_message", locale)); logger.error("Can't save or update EngineSetting:" + engineSettingForm.getId() + "/" + engineSettingForm.getCode(), e); return engineSettingEdit(request, model, engineSettingForm); } } @RequestMapping(value = BoUrls.ENGINE_SETTING_VALUE_EDIT_URL, method = RequestMethod.GET) public ModelAndView engineSettingValueEdit(final HttpServletRequest request, final Model model, @ModelAttribute(ModelConstants.ENGINE_SETTING_VALUE_FORM) EngineSettingValueForm engineSettingValueForm) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.ENGINE_SETTING_VALUE_EDIT.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final String engineSettingCode = request .getParameter(RequestConstants.REQUEST_PARAMETER_ENGINE_SETTING_CODE); final String engineSettingValueContext = request .getParameter(RequestConstants.REQUEST_PARAMETER_ENGINE_SETTING_VALUE_CONTEXT); if (StringUtils.isNotEmpty(engineSettingCode) && StringUtils.isNotEmpty(engineSettingValueContext)) { final EngineSetting engineSetting = engineSettingService.getEngineSettingByCode(engineSettingCode); if (engineSetting != null) { EngineSettingValue engineSettingValue = engineSetting .getEngineSettingValue(engineSettingValueContext); if (engineSettingValue != null) { modelAndView.addObject("engineSetting", backofficeViewBeanFactory.buildViewBeanEngineSetting(requestData, engineSetting)); modelAndView.addObject("engineSettingValue", backofficeViewBeanFactory .buildViewBeanEngineSettingValue(requestData, engineSettingValue)); modelAndView.addObject("engineSettingValueForm", backofficeFormFactory.buildEngineSettingValueForm(requestData, engineSettingValue)); model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService .generateUrl(BoUrls.ENGINE_SETTING_DETAILS, requestData, engineSetting)); Object[] params = { engineSetting.getName() + " (" + engineSetting.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ENGINE_SETTING_EDIT.getKey(), params); return modelAndView; } else { final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_DETAILS, requestUtil.getRequestData(request), engineSetting); return new ModelAndView(new RedirectView(urlRedirect)); } } } final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_LIST, requestUtil.getRequestData(request)); return new ModelAndView(new RedirectView(urlRedirect)); } @RequestMapping(value = BoUrls.ENGINE_SETTING_VALUE_EDIT_URL, method = RequestMethod.POST) public ModelAndView submitEngineSettingEdit(final HttpServletRequest request, final Model model, @Valid @ModelAttribute(ModelConstants.ENGINE_SETTING_VALUE_FORM) EngineSettingValueForm engineSettingValueForm, BindingResult result) throws Exception { if (result.hasErrors()) { return engineSettingValueEdit(request, model, engineSettingValueForm); } final String engineSettingValueId = engineSettingValueForm.getId(); EngineSettingValue engineSettingValue = new EngineSettingValue(); if (null == engineSettingValueId) { webBackofficeService.updateEngineSettingValue(engineSettingValue, engineSettingValueForm); } else { engineSettingValue = engineSettingService.getEngineSettingValueById(engineSettingValueId); // UPDATE ENGINE SETTING VALUE webBackofficeService.updateEngineSettingValue(engineSettingValue, engineSettingValueForm); } return new ModelAndView(new RedirectView(backofficeUrlService.generateUrl(BoUrls.ENGINE_SETTING_DETAILS, requestUtil.getRequestData(request), engineSettingValue))); } /** * */ @ModelAttribute(ModelConstants.ENGINE_SETTING_FORM) protected EngineSettingForm initEngineSettingForm(final HttpServletRequest request, final Model model) throws Exception { final RequestData requestData = requestUtil.getRequestData(request); final String engineSettingCode = request .getParameter(RequestConstants.REQUEST_PARAMETER_ENGINE_SETTING_CODE); if (StringUtils.isNotEmpty(engineSettingCode)) { final EngineSetting engineSettingEdit = engineSettingService.getEngineSettingByCode(engineSettingCode); return backofficeFormFactory.buildEngineSettingForm(requestData, engineSettingEdit); } return backofficeFormFactory.buildEngineSettingForm(requestData, null); } protected void displayList(final HttpServletRequest request, final Model model, final RequestData requestData) throws Exception { String url = request.getRequestURI(); String page = request.getParameter(Constants.PAGINATION_PAGE_PARAMETER); PagedListHolder<EngineSettingViewBean> engineSettingViewBeanPagedListHolder = new PagedListHolder<EngineSettingViewBean>(); if (StringUtils.isEmpty(page)) { engineSettingViewBeanPagedListHolder = initList(request, SESSION_KEY, requestData); } else { engineSettingViewBeanPagedListHolder = (PagedListHolder) request.getSession().getAttribute(SESSION_KEY); if (engineSettingViewBeanPagedListHolder == null) { engineSettingViewBeanPagedListHolder = initList(request, SESSION_KEY, requestData); } int pageTarget = new Integer(page).intValue() - 1; int pageCurrent = engineSettingViewBeanPagedListHolder.getPage(); if (pageCurrent < pageTarget) { for (int i = pageCurrent; i < pageTarget; i++) { engineSettingViewBeanPagedListHolder.nextPage(); } } else if (pageCurrent > pageTarget) { for (int i = pageTarget; i < pageCurrent; i++) { engineSettingViewBeanPagedListHolder.previousPage(); } } } model.addAttribute(Constants.PAGINATION_PAGE_URL, url); model.addAttribute(Constants.PAGINATION_PAGE_PAGED_LIST_HOLDER, engineSettingViewBeanPagedListHolder); } protected PagedListHolder<EngineSettingViewBean> initList(final HttpServletRequest request, String sessionKey, final RequestData requestData) throws Exception { List<EngineSetting> engineSettings = engineSettingService.findEngineSettings(); PagedListHolder<EngineSettingViewBean> engineSettingViewBeanPagedListHolder = new PagedListHolder<EngineSettingViewBean>(); final List<EngineSettingViewBean> engineSettingViewBeans = new ArrayList<EngineSettingViewBean>(); for (Iterator<EngineSetting> iterator = engineSettings.iterator(); iterator.hasNext();) { EngineSetting engineSettingIt = (EngineSetting) iterator.next(); engineSettingViewBeans .add(backofficeViewBeanFactory.buildViewBeanEngineSetting(requestData, engineSettingIt)); } engineSettingViewBeanPagedListHolder = new PagedListHolder<EngineSettingViewBean>( orderEngineSettingViewList(engineSettingViewBeans)); engineSettingViewBeanPagedListHolder.setPageSize(Constants.PAGE_SIZE); request.getSession().setAttribute(sessionKey, engineSettingViewBeanPagedListHolder); return engineSettingViewBeanPagedListHolder; } protected List<EngineSettingViewBean> orderEngineSettingViewList( final List<EngineSettingViewBean> engineSettingViewBeans) { if (engineSettingViewBeans != null) { List<EngineSettingViewBean> sortedObjects = new LinkedList<EngineSettingViewBean>( engineSettingViewBeans); Collections.sort(sortedObjects, new Comparator<EngineSettingViewBean>() { @Override public int compare(EngineSettingViewBean o1, EngineSettingViewBean o2) { if (o1 != null && o2 != null) { return o1.getCode().compareTo(o2.getCode()); } return 0; } }); return sortedObjects; } return null; } }