Java tutorial
/** * Fonti is a web application for billing and budgeting * Copyright (C) 2009 Carlos Fernandez * * This file is part of Fonti. * * Fonti is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Fonti is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.carlos.projects.billing.ui.controllers; import com.carlos.projects.billing.dao.ComponentDAO; import com.carlos.projects.billing.domain.Component; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.ParameterizableViewController; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.ArrayList; import java.util.List; import java.util.Map; import static org.apache.commons.lang.StringUtils.isEmpty; import static org.apache.commons.lang.StringUtils.isNumeric; /** * @author: Carlos Fernandez * @date: 02 Aug 2010 */ public class SelectComponentsController extends ParameterizableViewController { private ComponentDAO componentDAO; public SelectComponentsController() { super(); } public SelectComponentsController(ComponentDAO componentDAO) { this.componentDAO = componentDAO; } public ComponentDAO getComponentDAO() { return componentDAO; } public void setComponentDAO(ComponentDAO componentDAO) { this.componentDAO = componentDAO; } @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { ModelAndView mav = super.handleRequestInternal(request, response); mav.getModelMap().addAttribute("components", getComponents((Map<String, String[]>) request.getParameterMap())); mav.getModelMap().addAttribute("familyName", request.getParameter("familyName")); String documentId = request.getParameter("documentId"); if (!isEmpty(documentId) && isNumeric(documentId)) { mav.getModelMap().addAttribute("documentId", Long.parseLong(documentId)); } return mav; } private List<Component> getComponents(Map<String, String[]> requestParameters) { List<Component> components = new ArrayList<Component>(); for (String key : requestParameters.keySet()) { if (!"familyName".equalsIgnoreCase(key) && !"documentId".equalsIgnoreCase(key)) { components.add(componentDAO.getById(Component.class, key)); } } return components; } }