Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/common/JasperReporter.java @ 9243:da0bdbcd6f09
salix.supraRegional+Regional results
author | gernotbelger |
---|---|
date | Wed, 11 Jul 2018 13:36:18 +0200 |
parents | 23945061daec |
children | 8024e51e828a |
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/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde * Software engineering by * Björnsen Beratende Ingenieure GmbH * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.common; import java.io.OutputStream; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.dive4elements.artifacts.common.utils.Config; import net.sf.jasperreports.engine.JRDataSource; import net.sf.jasperreports.engine.JRException; import net.sf.jasperreports.engine.JRExporterParameter; import net.sf.jasperreports.engine.JasperCompileManager; import net.sf.jasperreports.engine.JasperFillManager; import net.sf.jasperreports.engine.JasperPrint; import net.sf.jasperreports.engine.JasperReport; import net.sf.jasperreports.engine.design.JasperDesign; import net.sf.jasperreports.engine.export.JRPdfExporter; import net.sf.jasperreports.engine.export.JRPdfExporterParameter; import net.sf.jasperreports.engine.util.JRProperties; import net.sf.jasperreports.engine.xml.JRSaxParserFactory; import net.sf.jasperreports.engine.xml.JRXmlLoader; /** * @author Domenico Nardi Tironi */ public class JasperReporter { private final List<JasperDesigner> designs = new ArrayList<>(); private final Map<String, Object> parameters = new HashMap<>(); private final String confPath; public JasperReporter() { this.confPath = Config.getConfigDirectory().toString(); this.parameters.put("ReportTitle", "Exported Data"); } public JasperDesigner addReport(final String jasperFile, final MetaAndTableJRDataSource source) throws JRException { JRProperties.setProperty(JRSaxParserFactory.PROPERTY_REPORT_PARSER_FACTORY, JRReportSaxParserFactory.class.getName()); final String jasperPath = this.confPath + jasperFile; final JasperDesign design = JRXmlLoader.load(jasperPath); final JasperDesigner designer = new JasperDesigner(design, source); this.designs.add(designer); return designer; } public void exportPDF(final OutputStream out) throws JRException { final List<JasperReport> compiledReports = new ArrayList<>(); final List<JRDataSource> sourcesWithPages = new ArrayList<>(); final List<JasperPrint> jasperPrintList = new ArrayList<>(); if (this.designs.size() == 1) { final JasperDesigner designer = this.designs.get(0); final JasperDesign jDesign = designer.getDesign(); final JasperReport compiled = JasperCompileManager.compileReport(jDesign); compiledReports.add(compiled); final MetaAndTableJRDataSource source = designer.getSource(); final JasperPrint print = JasperFillManager.fillReport(compiled, this.parameters, source); jasperPrintList.add(print); } else { Integer totalpages = 0; // erstes Rendern, um Seitenzahl zu ermitteln for (final JasperDesigner designer : this.designs) { final JasperReport compiled = JasperCompileManager.compileReport(designer.getDesign()); compiledReports.add(compiled); final MetaAndTableJRDataSource source = designer.getSource(); final JasperPrint print = JasperFillManager.fillReport(compiled, this.parameters, source); final Integer pagesCount = print.getPages().size(); designer.setPagesCount(totalpages); totalpages += pagesCount; } // Sources mit pages machen for (final JasperDesigner designer : this.designs) { final JRDataSource sourceWithPages = designer.getSource().withPagePageOffsets(designer.getPagesCount(), totalpages); sourcesWithPages.add(sourceWithPages); } for (int i = 0; i < compiledReports.size(); i++) { final JasperReport compiledReport = compiledReports.get(i); final JRDataSource source = sourcesWithPages.get(i); final JasperPrint print = JasperFillManager.fillReport(compiledReport, this.parameters, source); jasperPrintList.add(print); } } doExport(jasperPrintList, out); } private void doExport(final List<JasperPrint> jasperPrintList, final OutputStream out) throws JRException { final JRPdfExporter exporter = new JRPdfExporter(); exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList); exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, out); // this will make a bookmark in the exported PDF for each of the reports exporter.setParameter(JRPdfExporterParameter.IS_CREATING_BATCH_MODE_BOOKMARKS, Boolean.TRUE); exporter.exportReport(); } }