Java tutorial
/* AIT - Analysis of taxonomic indicators * * Copyright (C) 2010 INBio (Instituto Nacional de Biodiversidad) * * This program 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. * * This program 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 org.inbio.ait.web.ajax.controller; import java.util.List; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.inbio.ait.manager.PointsManager; import org.inbio.ait.model.Specimen; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.Controller; /** * * @author esmata */ public class ExportCsvController implements Controller { private PointsManager pointsManager; @Override public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception { String paramLayer = request.getParameter("layers"); String paramTaxon = request.getParameter("taxons"); String paramIndi = request.getParameter("indi"); String errorMsj = "Error con los parmetros: " + paramLayer + " " + paramTaxon + " " + paramIndi; try { //Arrays that contains the parameters data String[] layerArray = paramLayer.split("\\|"); String[] taxonArray = paramTaxon.split("\\|"); String[] indiArray = paramIndi.split("\\|"); //Specimens that match with the search criteria List<Specimen> specimens = pointsManager.specimensByCriteria(layerArray, taxonArray, indiArray); return writeReponse(request, response, specimens); } catch (IllegalArgumentException iae) { throw new Exception(errorMsj + " " + iae.getMessage()); } } private ModelAndView writeReponse(HttpServletRequest request, HttpServletResponse response, List<Specimen> specimens) throws Exception { response.setCharacterEncoding("ISO-8859-1"); response.setContentType("text/html"); ServletOutputStream out = response.getOutputStream(); //String documento = ""; StringBuilder documento = new StringBuilder(); documento.append( "<table class=\"contacts\" cellspacing=\"0\"><tr><th class=\"species\">Nombre cientfico</th><th class=\"species\">Longitud</th><th class=\"species\">Latitud</th><th class=\"species\"># de catlogo</th><th class=\"species\">Institucin</th>"); for (Specimen s : specimens) { documento.append("<tr>"); documento.append("<td class=\"contact\">" + s.getScientificname() + "</td>"); documento.append("<td class=\"contact\">" + s.getDecimallongitude() + "</td>"); documento.append("<td class=\"contact\">" + s.getDecimallatitude() + "</td>"); documento.append("<td class=\"contact\">" + s.getCatalognumber() + "</td>"); documento.append("<td class=\"contact\">" + s.getInstitutioncode() + "</td>"); documento.append("<tr>"); } documento.append("</table>"); out.println(documento.toString()); out.flush(); out.close(); return null; } /** * @return the pointsManager */ public PointsManager getPointsManager() { return pointsManager; } /** * @param pointsManager the pointsManager to set */ public void setPointsManager(PointsManager pointsManager) { this.pointsManager = pointsManager; } }