Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/common/JasperReporter.java @ 9425:3f49835a00c3
Extended CrossSectionFacet so it may fetch different data from within the artifact result.
Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author | gernotbelger |
---|---|
date | Fri, 17 Aug 2018 15:31:02 +0200 |
parents | 8024e51e828a |
children |
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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(); } }