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.warehouse; import java.util.ArrayList; import java.util.Iterator; 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.DeliveryMethod; import org.hoteia.qalingo.core.domain.Localization; import org.hoteia.qalingo.core.domain.MarketArea; import org.hoteia.qalingo.core.domain.Warehouse; import org.hoteia.qalingo.core.domain.enumtype.BoUrls; import org.hoteia.qalingo.core.i18n.enumtype.ScopeWebMessage; import org.hoteia.qalingo.core.service.DeliveryMethodService; import org.hoteia.qalingo.core.service.WarehouseService; import org.hoteia.qalingo.core.web.mvc.form.WarehouseForm; import org.hoteia.qalingo.core.web.mvc.viewbean.DeliveryMethodViewBean; import org.hoteia.qalingo.core.web.mvc.viewbean.ValueBean; import org.hoteia.qalingo.core.web.mvc.viewbean.WarehouseViewBean; 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.AbstractBusinessBackofficeController; import org.springframework.beans.factory.annotation.Autowired; 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("warehouseController") public class WarehouseController extends AbstractBusinessBackofficeController { @Autowired private WarehouseService warehouseService; @Autowired private DeliveryMethodService deliveryMethodService; @RequestMapping(value = BoUrls.WAREHOUSE_LIST_URL, method = RequestMethod.GET) public ModelAndView warehouseList(final HttpServletRequest request, final Model model) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.WAREHOUSE_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.WAREHOUSE_LIST.getKey() + ".by.market.area", params); model.addAttribute(ModelConstants.URL_ADD, backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_ADD, requestData)); return modelAndView; } @RequestMapping(value = BoUrls.WAREHOUSE_DETAILS_URL, method = RequestMethod.GET) public ModelAndView warehouseDetails(final HttpServletRequest request, final Model model) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.WAREHOUSE_DETAILS.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final String warehouseCode = request.getParameter(RequestConstants.REQUEST_PARAMETER_WAREHOUSE_CODE); // SANITY CHECK if (StringUtils.isEmpty(warehouseCode)) { final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_LIST, requestData); return new ModelAndView(new RedirectView(urlRedirect)); } final Warehouse warehouse = warehouseService.getWarehouseByCode(warehouseCode); // SANITY CHECK if (warehouse != null) { modelAndView.addObject(ModelConstants.WAREHOUSE_VIEW_BEAN, backofficeViewBeanFactory.buildViewBeanWarehouse(requestData, warehouse)); } else { final String url = requestUtil.getLastRequestUrl(request); return new ModelAndView(new RedirectView(url)); } model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_LIST, requestData)); final List<DeliveryMethodViewBean> deliveryMethodViewBeans = new ArrayList<DeliveryMethodViewBean>(); final List<DeliveryMethod> deliveryMethods = deliveryMethodService .findDeliveryMethodsByWarehouseId(warehouse.getId()); for (Iterator<DeliveryMethod> iterator = deliveryMethods.iterator(); iterator.hasNext();) { DeliveryMethod deliveryMethod = (DeliveryMethod) iterator.next(); deliveryMethodViewBeans.add(backofficeViewBeanFactory .buildViewBeanDeliveryMethod(requestUtil.getRequestData(request), deliveryMethod)); } request.setAttribute(ModelConstants.DELIVERY_METHODS_VIEW_BEAN, deliveryMethodViewBeans); Object[] params = { warehouse.getName() + " (" + warehouse.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.WAREHOUSE_DETAILS.getKey(), params); return modelAndView; } @RequestMapping(value = BoUrls.WAREHOUSE_EDIT_URL, method = RequestMethod.GET) public ModelAndView warehouseEdit(final HttpServletRequest request, final Model model, @ModelAttribute(ModelConstants.WAREHOUSE_FORM) WarehouseForm warehouseForm) throws Exception { ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request), BoUrls.WAREHOUSE_EDIT.getVelocityPage()); final RequestData requestData = requestUtil.getRequestData(request); final String warehouseCode = request.getParameter(RequestConstants.REQUEST_PARAMETER_WAREHOUSE_CODE); if (StringUtils.isNotEmpty(warehouseCode)) { // EDIT MODE final Warehouse warehouse = warehouseService.getWarehouseByCode(warehouseCode); WarehouseViewBean warehouseViewBean = backofficeViewBeanFactory.buildViewBeanWarehouse(requestData, warehouse); request.setAttribute(ModelConstants.WAREHOUSE_VIEW_BEAN, warehouseViewBean); Object[] params = { warehouse.getName() + " (" + warehouse.getCode() + ")" }; overrideDefaultMainContentTitle(request, modelAndView, BoUrls.WAREHOUSE_EDIT.getKey(), params); model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_DETAILS, requestData, warehouse)); } else { // ADD MODE overrideDefaultMainContentTitle(request, modelAndView, BoUrls.WAREHOUSE_ADD.getKey(), null); model.addAttribute(ModelConstants.URL_BACK, backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_LIST, requestData)); } return modelAndView; } @RequestMapping(value = BoUrls.WAREHOUSE_EDIT_URL, method = RequestMethod.POST) public ModelAndView submitWarehouseEdit(final HttpServletRequest request, final Model model, @Valid @ModelAttribute(ModelConstants.WAREHOUSE_FORM) WarehouseForm warehouseForm, BindingResult result) throws Exception { final RequestData requestData = requestUtil.getRequestData(request); final Locale locale = requestData.getLocale(); if (result.hasErrors()) { return warehouseEdit(request, model, warehouseForm); } Warehouse warehouse = null; if (StringUtils.isNotEmpty(warehouseForm.getId())) { warehouse = warehouseService.getWarehouseById(warehouseForm.getId()); } try { // CREATE OR UPDATE WAREHOUSE Warehouse savedWarehouse = webBackofficeService.createOrUpdateWarehouse(requestData, warehouse, warehouseForm); if (warehouse == null) { addSessionSuccessMessage(request, getSpecificMessage(ScopeWebMessage.WAREHOUSE, "create_success_message", locale)); } else { addSessionSuccessMessage(request, getSpecificMessage(ScopeWebMessage.WAREHOUSE, "update_success_message", locale)); } final String urlRedirect = backofficeUrlService.generateUrl(BoUrls.WAREHOUSE_DETAILS, requestData, savedWarehouse); return new ModelAndView(new RedirectView(urlRedirect)); } catch (Exception e) { addMessageError(result, null, "code", "code", getSpecificMessage(ScopeWebMessage.WAREHOUSE, "create_or_update_message", locale)); logger.error("Can't save or update Warehouse:" + warehouseForm.getId() + "/" + warehouseForm.getCode(), e); return warehouseEdit(request, model, warehouseForm); } } /** * */ @ModelAttribute(ModelConstants.WAREHOUSE_FORM) protected WarehouseForm initWarehouseForm(final HttpServletRequest request, final Model model) throws Exception { final RequestData requestData = requestUtil.getRequestData(request); final String warehouseCode = request.getParameter(RequestConstants.REQUEST_PARAMETER_WAREHOUSE_CODE); if (StringUtils.isNotEmpty(warehouseCode)) { final Warehouse warehouseEdit = warehouseService.getWarehouseByCode(warehouseCode); return backofficeFormFactory.buildWarehouseForm(requestData, warehouseEdit); } return backofficeFormFactory.buildWarehouseForm(requestData, null); } @ModelAttribute(ModelConstants.COUNTRIES) public List<ValueBean> getCountries(HttpServletRequest request) throws Exception { Localization currentMarketAreaLocalization = requestUtil.getCurrentMarketAreaLocalization(request); return getCountries(currentMarketAreaLocalization.getLocale()); } 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); String sessionKey = "PagedListHolder_Warehouses"; PagedListHolder<WarehouseViewBean> warehouseViewBeanPagedListHolder = new PagedListHolder<WarehouseViewBean>(); if (StringUtils.isEmpty(page)) { warehouseViewBeanPagedListHolder = initList(request, sessionKey, requestData); } else { warehouseViewBeanPagedListHolder = (PagedListHolder) request.getSession().getAttribute(sessionKey); if (warehouseViewBeanPagedListHolder == null) { warehouseViewBeanPagedListHolder = initList(request, sessionKey, requestData); } int pageTarget = new Integer(page).intValue() - 1; int pageCurrent = warehouseViewBeanPagedListHolder.getPage(); if (pageCurrent < pageTarget) { for (int i = pageCurrent; i < pageTarget; i++) { warehouseViewBeanPagedListHolder.nextPage(); } } else if (pageCurrent > pageTarget) { for (int i = pageTarget; i < pageCurrent; i++) { warehouseViewBeanPagedListHolder.previousPage(); } } } model.addAttribute(Constants.PAGINATION_PAGE_URL, url); model.addAttribute(Constants.PAGINATION_PAGE_PAGED_LIST_HOLDER, warehouseViewBeanPagedListHolder); } protected PagedListHolder<WarehouseViewBean> initList(final HttpServletRequest request, String sessionKey, final RequestData requestData) throws Exception { final MarketArea marketArea = requestData.getMarketArea(); List<Warehouse> warehouses = warehouseService.findWarehousesByMarketAreaId(marketArea.getId()); PagedListHolder<WarehouseViewBean> warehouseViewBeanPagedListHolder = new PagedListHolder<WarehouseViewBean>(); final List<WarehouseViewBean> warehouseViewBeans = new ArrayList<WarehouseViewBean>(); for (Iterator<Warehouse> iterator = warehouses.iterator(); iterator.hasNext();) { Warehouse warehouseIt = (Warehouse) iterator.next(); warehouseViewBeans.add(backofficeViewBeanFactory.buildViewBeanWarehouse(requestData, warehouseIt)); } warehouseViewBeanPagedListHolder = new PagedListHolder<WarehouseViewBean>(warehouseViewBeans); warehouseViewBeanPagedListHolder.setPageSize(Constants.PAGE_SIZE); request.getSession().setAttribute(sessionKey, warehouseViewBeanPagedListHolder); return warehouseViewBeanPagedListHolder; } }