Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesExporter.java @ 4241:49cb65d5932d

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Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents b2ea89a665bc
children
rev   line source
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1 package de.intevation.flys.exports;
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2
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3 import java.io.IOException;
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4 import java.io.OutputStream;
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5 import java.text.NumberFormat;
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6 import java.util.ArrayList;
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7 import java.util.List;
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8 import java.util.Map;
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9 import java.util.HashMap;
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10 import java.util.Date;
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11 import java.text.DateFormat;
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12 import java.util.Locale;
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13
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14 import org.w3c.dom.Document;
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15
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16 import org.apache.log4j.Logger;
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17
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18 import au.com.bytecode.opencsv.CSVWriter;
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19
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20 import net.sf.jasperreports.engine.JasperExportManager;
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21 import net.sf.jasperreports.engine.JasperFillManager;
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22 import net.sf.jasperreports.engine.JasperPrint;
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23 import net.sf.jasperreports.engine.JRException;
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24
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25 import de.intevation.artifacts.CallContext;
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26 import de.intevation.artifacts.CallMeta;
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27 import de.intevation.artifacts.common.utils.Config;
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28
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29 import de.intevation.flys.artifacts.WINFOArtifact;
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30
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31 import de.intevation.flys.artifacts.model.CalculationResult;
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32 import de.intevation.flys.artifacts.model.WKms;
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33 import de.intevation.flys.artifacts.model.WKmsJRDataSource;
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34 import de.intevation.flys.artifacts.resources.Resources;
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35
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36 import de.intevation.flys.utils.FLYSUtils;
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37 import de.intevation.flys.utils.Formatter;
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38
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39 /**
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40 * (CSV)Exporter for WDifferences.
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41 */
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42 public class WDifferencesExporter extends AbstractExporter {
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43
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44 /** The logger used in this exporter. */
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45 private static Logger logger = Logger.getLogger(WDifferencesExporter.class);
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46
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47
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48 public static final String WDIFF_CSV_KM_HEADER =
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49 "export.w_differences.csv.header.km";
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50
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51 public static final String WDIFF_CSV_W_HEADER =
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52 "export.w_differences.csv.header.w";
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53
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54 public static final String WDIFF_DEFAULT_CSV_KM_HEADER = "Fluss-Km";
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55 public static final String WDIFF_DEFAULT_CSV_W_HEADER = "m";
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56
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57 public static final String PDF_HEADER_MODE = "export.wdifferences.pdf.mode";
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58 public static final String JASPER_FILE = "export.wdifferences.pdf.file";
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59
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60 /** The storage that contains all WKms objects for the different facets. */
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61 protected List<WKms[]> data;
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62
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63
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64 public void init(Document request, OutputStream out, CallContext context) {
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65 logger.debug("WDifferencesExporter.init");
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66
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67 super.init(request, out, context);
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68
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69 this.data = new ArrayList<WKms[]>();
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70 }
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71
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72
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73 /**
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74 * Genereate data in csv format.
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75 */
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76 @Override
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77 public void generate()
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78 throws IOException
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79 {
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80 logger.debug("WDifferencesExporter.generate");
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81
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82 if (facet == null) {
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83 throw new IOException("invalid (null) facet for exporter");
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84 }
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85 else if (facet.equals(AbstractExporter.FACET_CSV)) {
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86 generateCSV();
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87 }
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88 else if (facet.equals(AbstractExporter.FACET_PDF)) {
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89 generatePDF();
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90 }
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91 else {
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92 throw new IOException("invalid facet (" + facet + ") for exporter");
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93 }
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94 }
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95
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96
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97 /**
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98 * Adds given data.
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99 * @param d either a WKms or a CalculationResult to add to data.
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100 */
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101 @Override
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102 protected void addData(Object d) {
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103 if (d instanceof CalculationResult) {
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104 d = ((CalculationResult)d).getData();
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105 if (d instanceof WKms []) {
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106 data.add((WKms [])d);
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107 }
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108 }
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109 else if (d instanceof WKms) {
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110 data.add(new WKms[] { (WKms) d });
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111 }
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112 }
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113
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114
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115 /**
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116 * Lets writer write all data (including header).
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117 * @param writer Writer to write data with.
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118 */
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119 @Override
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120 protected void writeCSVData(CSVWriter writer) {
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121 logger.info("WDifferencesExporter.writeData");
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122
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123 writeCSVHeader(writer);
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124
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125 for (WKms[] tmp: data) {
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126 for (WKms wkms: tmp) {
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127 wKms2CSV(writer, wkms);
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128 }
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129 }
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130 }
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131
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132
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133 /**
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134 * Lets csvwriter write the header (first line in file).
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135 * @param writer Writer to write header with.
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136 */
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137 protected void writeCSVHeader(CSVWriter writer) {
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138 logger.info("WDifferencesExporter.writeCSVHeader");
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139
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140 writer.writeNext(new String[] {
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141 msg(WDIFF_CSV_KM_HEADER, WDIFF_DEFAULT_CSV_KM_HEADER),
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142 msg(WDIFF_CSV_W_HEADER, WDIFF_DEFAULT_CSV_W_HEADER)
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143 });
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144 }
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145
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146
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147 protected void wKms2CSV(CSVWriter writer, WKms wkms) {
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148 logger.debug("WDifferencesExporter.wKms2CSV");
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149
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150 NumberFormat kmf = getKmFormatter();
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151 NumberFormat wf = getWFormatter();
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152 int size = wkms.size();
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153
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154 for (int i = 0; i < size; i ++) {
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155
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156 writer.writeNext(new String[] {
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157 kmf.format(wkms.getKm(i)),
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158 wf.format(wkms.getW(i))
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159 });
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160 }
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161 }
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162
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163
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164 /**
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165 * Returns the number formatter for kilometer values.
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166 *
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167 * @return the number formatter for kilometer values.
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168 */
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169 protected NumberFormat getKmFormatter() {
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170 return Formatter.getWaterlevelKM(context);
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171 }
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172
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173
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174 /**
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175 * Returns the number formatter for W values.
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176 *
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177 * @return the number formatter for W values.
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178 */
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179 protected NumberFormat getWFormatter() {
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180 return Formatter.getWaterlevelW(context);
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181 }
2176
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182
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183
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184 @Override
2180
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185 protected void writePDF(OutputStream out) {
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186 WKmsJRDataSource source = createJRData();
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187
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188 String jasperFile = Resources.getMsg(
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189 context.getMeta(),
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190 JASPER_FILE,
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191 "/jasper/wdifferences_en.jasper");
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192 String confPath = Config.getConfigDirectory().toString();
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193
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194 Map parameters = new HashMap();
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195 parameters.put("ReportTitle", "Exported Data");
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196 try {
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197 JasperPrint print = JasperFillManager.fillReport(
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198 confPath + jasperFile,
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199 parameters,
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200 source);
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201 JasperExportManager.exportReportToPdfStream(print, out);
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202 }
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203 catch(JRException je) {
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204 logger.warn("Error generating PDF Report!");
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205 je.printStackTrace();
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206 }
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207 }
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208
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209 protected WKmsJRDataSource createJRData() {
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210 WKmsJRDataSource source = new WKmsJRDataSource();
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211
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212 addMetaData(source);
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213 for (WKms[] tmp: data) {
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214 for (WKms wkms: tmp) {
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215 addWKmsData(source, wkms);
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216 }
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217 }
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218 return source;
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219 }
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220
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221
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222 protected void addMetaData(WKmsJRDataSource source) {
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223 CallMeta meta = context.getMeta();
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224
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225 WINFOArtifact flys = (WINFOArtifact) master;
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226
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227 source.addMetaData ("river", FLYSUtils.getRivername(flys));
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228
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229 Locale locale = Resources.getLocale(meta);
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230 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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231
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232 source.addMetaData("date", df.format(new Date()));
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233
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234 String differences = FLYSUtils.getWDifferences(flys, context);
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235 source.addMetaData("differences", differences);
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236
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237 source.addMetaData("calculation", Resources.getMsg(
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238 locale,
65b32220f197 Issue 138.
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239 PDF_HEADER_MODE,
65b32220f197 Issue 138.
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240 "W Differences"));
65b32220f197 Issue 138.
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241 }
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242
65b32220f197 Issue 138.
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243 protected void addWKmsData(WKmsJRDataSource source, WKms wkms) {
65b32220f197 Issue 138.
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244 NumberFormat kmf = getKmFormatter();
65b32220f197 Issue 138.
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245 NumberFormat wf = getWFormatter();
65b32220f197 Issue 138.
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246 int size = wkms.size();
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parents: 2176
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247
65b32220f197 Issue 138.
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248 for (int i = 0; i < size; i ++) {
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249
65b32220f197 Issue 138.
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250 source.addData(new String[] {
65b32220f197 Issue 138.
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251 kmf.format(wkms.getKm(i)),
65b32220f197 Issue 138.
Raimund Renkert <raimund.renkert@intevation.de>
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252 wf.format(wkms.getW(i))
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253 });
65b32220f197 Issue 138.
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254 }
65b32220f197 Issue 138.
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255 }
65b32220f197 Issue 138.
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256
1161
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257 }
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parents:
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258 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org