Java tutorial
/***************************************************************** * This file is part of CCAFS Planning and Reporting Platform. * CCAFS P&R 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. * CCAFS P&R 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 CCAFS P&R. If not, see <http://www.gnu.org/licenses/>. *****************************************************************/ package org.cgiar.ccafs.ap.action.summaries.projects; import org.cgiar.ccafs.ap.action.BaseAction; import org.cgiar.ccafs.ap.config.APConstants; import org.cgiar.ccafs.ap.data.manager.ProjectManager; import org.cgiar.ccafs.ap.summaries.projects.xlsx.ImpactPathwayContributionsSummaryXLS; import org.cgiar.ccafs.utils.APConfig; import org.cgiar.ccafs.utils.summaries.Summary; import java.io.ByteArrayInputStream; import java.io.InputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Map; import com.google.inject.Inject; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * @author Carlos Alberto Martnez M. */ public class ImpactPathwayContributionsSummaryAction extends BaseAction implements Summary { /** * Logger */ private static final long serialVersionUID = 9053693628930993346L; public static Logger LOG = LoggerFactory.getLogger(ImpactPathwayContributionsSummaryAction.class); private ImpactPathwayContributionsSummaryXLS impactPathwayContributionsSummaryXLS; private ProjectManager projectManager; private List<Map<String, Object>> projectListMap; // XLS bytes private byte[] bytesXLS; // Streams InputStream inputStream; @Inject public ImpactPathwayContributionsSummaryAction(APConfig config, ImpactPathwayContributionsSummaryXLS impactPathwayContributionsSummaryXLS, ProjectManager projectManager) { super(config); this.impactPathwayContributionsSummaryXLS = impactPathwayContributionsSummaryXLS; this.projectManager = projectManager; } @Override public String execute() throws Exception { // Generate the xls file bytesXLS = impactPathwayContributionsSummaryXLS.generateXLS(projectListMap); return SUCCESS; } @Override public int getContentLength() { return bytesXLS.length; } @Override public String getContentType() { return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; } @Override public String getFileName() { String date = new SimpleDateFormat("yyyyMMdd-HHmm").format(new Date()); StringBuffer fileName = new StringBuffer(); fileName.append("ImpactPathWayContributions_"); fileName.append(date); fileName.append(".xlsx"); return fileName.toString(); } @Override public InputStream getInputStream() { if (inputStream == null) { inputStream = new ByteArrayInputStream(bytesXLS); } return inputStream; } @Override public void prepare() { String strYear = StringUtils.trim(this.getRequest().getParameter(APConstants.YEAR_REQUEST)); int year = config.getPlanningCurrentYear(); if (strYear != null) { year = Integer.parseInt(strYear); } projectListMap = projectManager.summaryGetAllCCAFSOutcomes(year); } }