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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 package org.dive4elements.river.artifacts.common; |
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11 |
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12 import java.io.OutputStream; |
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13 import java.util.ArrayList; |
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14 import java.util.HashMap; |
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15 import java.util.List; |
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16 import java.util.Map; |
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17 |
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18 import org.dive4elements.artifacts.common.utils.Config; |
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19 |
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20 import net.sf.jasperreports.engine.JRDataSource; |
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21 import net.sf.jasperreports.engine.JRException; |
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22 import net.sf.jasperreports.engine.JRExporterParameter; |
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23 import net.sf.jasperreports.engine.JasperCompileManager; |
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24 import net.sf.jasperreports.engine.JasperFillManager; |
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25 import net.sf.jasperreports.engine.JasperPrint; |
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26 import net.sf.jasperreports.engine.JasperReport; |
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27 import net.sf.jasperreports.engine.design.JasperDesign; |
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28 import net.sf.jasperreports.engine.export.JRPdfExporter; |
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29 import net.sf.jasperreports.engine.export.JRPdfExporterParameter; |
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30 import net.sf.jasperreports.engine.util.JRProperties; |
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31 import net.sf.jasperreports.engine.xml.JRSaxParserFactory; |
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32 import net.sf.jasperreports.engine.xml.JRXmlLoader; |
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33 |
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34 /** |
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35 * @author Domenico Nardi Tironi |
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36 */ |
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37 public class JasperReporter { |
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38 |
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39 private final List<JasperDesigner> designs = new ArrayList<>(); |
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40 |
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41 private final Map<String, Object> parameters = new HashMap<>(); |
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42 |
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43 private final String confPath; |
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44 |
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45 public JasperReporter() { |
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46 this.confPath = Config.getConfigDirectory().toString(); |
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47 |
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48 this.parameters.put("ReportTitle", "Exported Data"); |
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49 } |
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50 |
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51 public JasperDesigner addReport(final String jasperFile, final MetaAndTableJRDataSource source) throws JRException { |
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52 |
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53 JRProperties.setProperty(JRSaxParserFactory.PROPERTY_REPORT_PARSER_FACTORY, JRReportSaxParserFactory.class.getName()); |
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54 |
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55 final String jasperPath = this.confPath + jasperFile; |
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56 final JasperDesign design = JRXmlLoader.load(jasperPath); |
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57 |
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58 final JasperDesigner designer = new JasperDesigner(design, source); |
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59 this.designs.add(designer); |
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60 |
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61 return designer; |
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62 } |
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63 |
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64 public void exportPDF(final OutputStream out) throws JRException { |
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65 |
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66 final List<JasperReport> compiledReports = new ArrayList<>(); |
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67 |
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68 final List<JRDataSource> sourcesWithPages = new ArrayList<>(); |
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69 |
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70 final List<JasperPrint> jasperPrintList = new ArrayList<>(); |
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71 |
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72 if (this.designs.size() == 1) { |
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73 final JasperDesigner designer = this.designs.get(0); |
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74 final JasperDesign jDesign = designer.getDesign(); |
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75 |
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76 final JasperReport compiled = JasperCompileManager.compileReport(jDesign); |
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77 compiledReports.add(compiled); |
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78 final MetaAndTableJRDataSource source = designer.getSource(); |
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79 final JasperPrint print = JasperFillManager.fillReport(compiled, this.parameters, source); |
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80 jasperPrintList.add(print); |
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81 } else { |
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82 |
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83 int totalpagesoffset = 0; |
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84 int pagesCount = 0; |
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85 |
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86 // erstes Rendern, um Seitenzahl zu ermitteln |
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87 for (final JasperDesigner designer : this.designs) { |
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88 |
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89 final JasperReport compiled = JasperCompileManager.compileReport(designer.getDesign()); |
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90 compiledReports.add(compiled); |
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91 final MetaAndTableJRDataSource source = designer.getSource(); |
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92 final JasperPrint print = JasperFillManager.fillReport(compiled, this.parameters, source); |
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93 |
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94 pagesCount = print.getPages().size(); |
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95 designer.setPagesCount(totalpagesoffset); |
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96 |
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97 totalpagesoffset += pagesCount; |
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98 } |
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99 totalpagesoffset = totalpagesoffset - pagesCount; // offset darf die letzten Seiten nicht beinhalten! |
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100 |
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101 // Sources mit pages machen |
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102 for (final JasperDesigner designer : this.designs) { |
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103 final JRDataSource sourceWithPages = designer.getSource().withPagePageOffsets(designer.getPagesCount(), totalpagesoffset); |
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104 sourcesWithPages.add(sourceWithPages); |
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105 } |
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106 |
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107 for (int i = 0; i < compiledReports.size(); i++) { |
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108 final JasperReport compiledReport = compiledReports.get(i); |
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109 final JRDataSource source = sourcesWithPages.get(i); |
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110 final JasperPrint print = JasperFillManager.fillReport(compiledReport, this.parameters, source); |
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111 jasperPrintList.add(print); |
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112 } |
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113 } |
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114 doExport(jasperPrintList, out); |
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115 } |
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116 |
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117 private void doExport(final List<JasperPrint> jasperPrintList, final OutputStream out) throws JRException { |
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118 final JRPdfExporter exporter = new JRPdfExporter(); |
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119 exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList); |
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120 exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, out); |
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121 // this will make a bookmark in the exported PDF for each of the reports |
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122 exporter.setParameter(JRPdfExporterParameter.IS_CREATING_BATCH_MODE_BOOKMARKS, Boolean.TRUE); |
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123 |
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124 exporter.exportReport(); |
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125 |
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126 } |
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127 |
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128 } |