Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/WDifferencesExporter.java @ 6955:94cb1845c667

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(issue1452) Coalesce to zero to avoid NaN arithmetic.
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 30 Aug 2013 15:45:14 +0200
parents af13ceeba52a
children 0a337f0005c2
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import java.io.IOException;
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12 import java.io.OutputStream;
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13 import java.text.NumberFormat;
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14 import java.util.ArrayList;
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15 import java.util.List;
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16 import java.util.Map;
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17 import java.util.HashMap;
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18 import java.util.Date;
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19 import java.text.DateFormat;
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20 import java.util.Locale;
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21
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22 import org.w3c.dom.Document;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import au.com.bytecode.opencsv.CSVWriter;
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27
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28 import net.sf.jasperreports.engine.JasperExportManager;
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29 import net.sf.jasperreports.engine.JasperFillManager;
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30 import net.sf.jasperreports.engine.JasperPrint;
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31 import net.sf.jasperreports.engine.JRException;
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32
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33 import org.dive4elements.artifacts.CallContext;
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34 import org.dive4elements.artifacts.CallMeta;
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35 import org.dive4elements.artifacts.common.utils.Config;
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36
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37 import org.dive4elements.river.artifacts.WINFOArtifact;
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38
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39 import org.dive4elements.river.artifacts.model.CalculationResult;
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40 import org.dive4elements.river.artifacts.model.WKms;
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41 import org.dive4elements.river.artifacts.model.WKmsJRDataSource;
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42 import org.dive4elements.river.artifacts.resources.Resources;
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43
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44 import org.dive4elements.river.utils.RiverUtils;
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45 import org.dive4elements.river.utils.Formatter;
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46
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47 /**
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48 * (CSV)Exporter for WDifferences.
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49 */
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50 public class WDifferencesExporter extends AbstractExporter {
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51
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52 /** The logger used in this exporter. */
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53 private static Logger logger = Logger.getLogger(WDifferencesExporter.class);
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54
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55
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56 public static final String WDIFF_CSV_KM_HEADER =
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57 "export.w_differences.csv.header.km";
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58
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59 public static final String WDIFF_CSV_W_HEADER =
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60 "export.w_differences.csv.header.w";
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61
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62 public static final String WDIFF_DEFAULT_CSV_KM_HEADER = "Fluss-Km";
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63 public static final String WDIFF_DEFAULT_CSV_W_HEADER = "m";
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64
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65 public static final String PDF_HEADER_MODE = "export.wdifferences.pdf.mode";
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66 public static final String JASPER_FILE = "export.wdifferences.pdf.file";
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67
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68 /** The storage that contains all WKms objects for the different facets. */
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69 protected List<WKms[]> data;
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70
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71
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72 public void init(Document request, OutputStream out, CallContext context) {
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73 logger.debug("WDifferencesExporter.init");
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74
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75 super.init(request, out, context);
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76
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77 this.data = new ArrayList<WKms[]>();
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78 }
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79
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80
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81 /**
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82 * Genereate data in csv format.
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83 */
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84 @Override
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85 public void generate()
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86 throws IOException
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87 {
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88 logger.debug("WDifferencesExporter.generate");
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89
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90 if (facet == null) {
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91 throw new IOException("invalid (null) facet for exporter");
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92 }
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93 else if (facet.equals(AbstractExporter.FACET_CSV)) {
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94 generateCSV();
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95 }
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96 else if (facet.equals(AbstractExporter.FACET_PDF)) {
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97 generatePDF();
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98 }
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99 else {
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100 throw new IOException("invalid facet (" + facet + ") for exporter");
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101 }
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102 }
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103
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104
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105 /**
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106 * Adds given data.
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107 * @param d either a WKms or a CalculationResult to add to data.
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108 */
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109 @Override
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110 protected void addData(Object d) {
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111 if (d instanceof CalculationResult) {
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112 d = ((CalculationResult)d).getData();
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113 if (d instanceof WKms []) {
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114 data.add((WKms [])d);
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115 }
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116 }
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117 else if (d instanceof WKms) {
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118 data.add(new WKms[] { (WKms) d });
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119 }
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120 }
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121
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122
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123 /**
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124 * Lets writer write all data (including header).
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125 * @param writer Writer to write data with.
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126 */
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127 @Override
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128 protected void writeCSVData(CSVWriter writer) {
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129 logger.info("WDifferencesExporter.writeData");
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130
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131 writeCSVHeader(writer);
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132
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133 for (WKms[] tmp: data) {
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134 for (WKms wkms: tmp) {
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135 wKms2CSV(writer, wkms);
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136 }
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137 }
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138 }
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139
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140
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141 /**
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142 * Lets csvwriter write the header (first line in file).
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143 * @param writer Writer to write header with.
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144 */
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145 protected void writeCSVHeader(CSVWriter writer) {
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146 logger.info("WDifferencesExporter.writeCSVHeader");
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147
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148 writer.writeNext(new String[] {
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2c643a643026 Addressed 'wrong label' issue of wdiff csv-export.
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149 msg(WDIFF_CSV_KM_HEADER, WDIFF_DEFAULT_CSV_KM_HEADER),
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150 msg(WDIFF_CSV_W_HEADER, WDIFF_DEFAULT_CSV_W_HEADER)
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151 });
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152 }
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153
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154
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155 protected void wKms2CSV(CSVWriter writer, WKms wkms) {
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156 logger.debug("WDifferencesExporter.wKms2CSV");
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157
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158 NumberFormat kmf = getKmFormatter();
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159 NumberFormat wf = getWFormatter();
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160 int size = wkms.size();
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161
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162 for (int i = 0; i < size; i ++) {
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163
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164 writer.writeNext(new String[] {
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165 kmf.format(wkms.getKm(i)),
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166 wf.format(wkms.getW(i))
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167 });
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168 }
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169 }
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170
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171
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172 /**
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173 * Returns the number formatter for kilometer values.
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174 *
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175 * @return the number formatter for kilometer values.
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176 */
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177 protected NumberFormat getKmFormatter() {
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178 return Formatter.getWaterlevelKM(context);
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179 }
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180
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181
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182 /**
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183 * Returns the number formatter for W values.
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184 *
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185 * @return the number formatter for W values.
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186 */
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187 protected NumberFormat getWFormatter() {
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188 return Formatter.getWaterlevelW(context);
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189 }
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190
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191
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192 @Override
2180
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193 protected void writePDF(OutputStream out) {
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194 WKmsJRDataSource source = createJRData();
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195
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196 String jasperFile = Resources.getMsg(
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197 context.getMeta(),
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198 JASPER_FILE,
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199 "/jasper/wdifferences_en.jasper");
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200 String confPath = Config.getConfigDirectory().toString();
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201
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202 Map parameters = new HashMap();
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203 parameters.put("ReportTitle", "Exported Data");
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204 try {
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205 JasperPrint print = JasperFillManager.fillReport(
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206 confPath + jasperFile,
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207 parameters,
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208 source);
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209 JasperExportManager.exportReportToPdfStream(print, out);
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210 }
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211 catch(JRException je) {
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212 logger.warn("Error generating PDF Report!");
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213 je.printStackTrace();
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214 }
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215 }
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216
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217 protected WKmsJRDataSource createJRData() {
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218 WKmsJRDataSource source = new WKmsJRDataSource();
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219
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220 addMetaData(source);
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221 for (WKms[] tmp: data) {
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222 for (WKms wkms: tmp) {
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223 addWKmsData(source, wkms);
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224 }
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225 }
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226 return source;
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227 }
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228
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229
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230 protected void addMetaData(WKmsJRDataSource source) {
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231 CallMeta meta = context.getMeta();
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232
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233 WINFOArtifact flys = (WINFOArtifact) master;
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234
5865
73da40528cf2 River artifacts: Renamed FLYSUtils to RiverUtils.
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235 source.addMetaData ("river", RiverUtils.getRivername(flys));
2180
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236
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237 Locale locale = Resources.getLocale(meta);
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238 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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239
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240 source.addMetaData("date", df.format(new Date()));
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241
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73da40528cf2 River artifacts: Renamed FLYSUtils to RiverUtils.
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242 String differences = RiverUtils.getWDifferences(flys, context);
2180
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243 source.addMetaData("differences", differences);
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244
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245 source.addMetaData("calculation", Resources.getMsg(
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246 locale,
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247 PDF_HEADER_MODE,
65b32220f197 Issue 138.
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248 "W Differences"));
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249 }
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250
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251 protected void addWKmsData(WKmsJRDataSource source, WKms wkms) {
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252 NumberFormat kmf = getKmFormatter();
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253 NumberFormat wf = getWFormatter();
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254 int size = wkms.size();
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255
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256 for (int i = 0; i < size; i ++) {
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257
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258 source.addData(new String[] {
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259 kmf.format(wkms.getKm(i)),
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260 wf.format(wkms.getW(i))
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261 });
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262 }
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263 }
65b32220f197 Issue 138.
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264
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265 }
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parents:
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266 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org