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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 |
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14 import org.apache.log4j.Logger; |
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15 import org.dive4elements.artifacts.CallContext; |
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16 import org.dive4elements.river.artifacts.model.CalculationResult; |
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17 import org.dive4elements.river.artifacts.sinfo.util.RiverInfo; |
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18 import org.dive4elements.river.exports.AbstractExporter; |
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19 import org.w3c.dom.Document; |
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20 |
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21 import au.com.bytecode.opencsv.CSVWriter; |
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22 import net.sf.jasperreports.engine.JRException; |
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23 |
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24 /** |
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25 * @author Gernot Belger |
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26 */ |
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27 public abstract class AbstractCommonExporter<RESULT extends AbstractCalculationExportableResult, RESULTS extends AbstractCalculationResults<RESULT>> extends AbstractExporter { |
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28 |
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29 /** The log used in this exporter. */ |
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30 private final Logger log = Logger.getLogger(getClass()); |
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31 |
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32 /** The log used in this exporter. */ |
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33 protected final Logger getLog() { |
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34 return this.log; |
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35 } |
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36 |
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37 private RESULTS results = null; |
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38 |
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39 @Override |
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40 public void init(final String outName, final Document request, final OutputStream out, final CallContext context) { |
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41 super.init(outName, request, out, context); |
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42 } |
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43 |
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44 @Override |
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45 protected final void addData(final Object d) { |
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46 /* reset */ |
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47 this.results = null; |
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48 |
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49 if (d instanceof CalculationResult) { |
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50 |
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51 final Object dat = ((CalculationResult) d).getData(); |
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52 if (dat != null) { |
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53 @SuppressWarnings("unchecked") |
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54 final RESULTS result = (RESULTS) dat; |
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55 this.results = result; |
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56 } |
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57 } |
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58 } |
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59 |
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60 protected final RESULTS getResults() { |
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61 return this.results; |
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62 } |
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63 |
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64 @Override |
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65 protected final void writeCSVData(final CSVWriter writer) { |
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66 |
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67 final ExportContextCSV exportContext = new ExportContextCSV(this.context, writer, this.results); |
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68 |
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69 doWriteCSVData(exportContext, this.results); |
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70 } |
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71 |
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72 protected final void doWriteCSVData(final ExportContextCSV exportContext, final RESULTS results) { |
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73 |
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74 writeCSVGlobalMetadata(exportContext, results); |
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75 |
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76 final RiverInfo river = results.getRiver(); |
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77 |
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78 final Class<?> lastResultType = null; |
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79 |
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80 for (final AbstractCalculationExportableResult result : results.getResults()) { |
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81 |
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82 final Class<?> resultType = result.getClass(); |
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83 if (lastResultType == null || lastResultType != resultType) { |
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84 exportContext.writeBlankLine(); |
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85 result.writeCSVHeader(exportContext, river); |
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86 exportContext.writeBlankLine(); |
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87 } else |
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88 exportContext.writeCSVLine(new String[] { "#" }); |
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89 |
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90 result.writeCsv(exportContext); |
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91 } |
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92 } |
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93 |
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94 protected abstract void writeCSVGlobalMetadata(final ExportContextCSV exportContext, final RESULTS results); |
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95 |
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96 @Override |
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97 protected final void writePDF(final OutputStream out) { |
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98 doWritePdf(out, this.results); |
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99 } |
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100 |
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101 private final void doWritePdf(final OutputStream out, final RESULTS results) { |
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102 |
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103 try { |
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104 final ExportContextPDF exportContext = new ExportContextPDF(this.context, results); |
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105 |
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106 final JasperReporter reporter = new JasperReporter(); |
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107 |
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108 for (final RESULT result : results.getResults()) { |
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109 |
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110 final MetaAndTableJRDataSource source = new MetaAndTableJRDataSource(); |
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111 |
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112 writePDFGlobalMetadata(exportContext, source); |
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113 |
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114 final JasperDesigner design = result.addReport(exportContext, reporter, source); |
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115 configureDesign(result, design); |
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116 } |
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117 |
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118 reporter.exportPDF(out); |
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119 } |
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120 catch (final JRException je) { |
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121 getLog().warn("Error generating PDF Report!", je); |
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122 } |
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123 } |
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124 |
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125 /** |
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126 * Override to implement, does nothing by default. |
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127 */ |
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128 protected void configureDesign(final RESULT result, final JasperDesigner design) { |
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129 } |
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130 |
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131 protected abstract void writePDFGlobalMetadata(ExportContextPDF exportContext, MetaAndTableJRDataSource source); |
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132 } |
