Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/minfo/BedDifferenceExporter.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 e316a9c626e0
children 0a337f0005c2
rev   line source
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84349d440987 BedDifferenceExporter: Added licence header.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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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.minfo;
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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.LinkedList;
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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.Locale;
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19 import java.util.Date;
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20 import java.text.DateFormat;
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21
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22 import org.apache.log4j.Logger;
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23 import org.apache.commons.lang.StringUtils;
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24
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25 import net.sf.jasperreports.engine.JasperExportManager;
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26 import net.sf.jasperreports.engine.JasperFillManager;
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27 import net.sf.jasperreports.engine.JasperPrint;
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28 import net.sf.jasperreports.engine.JRException;
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29
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30 import org.dive4elements.artifacts.CallContext;
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31 import org.dive4elements.artifacts.CallMeta;
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32 import org.dive4elements.river.artifacts.D4EArtifact;
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33 import org.dive4elements.river.artifacts.access.BedDifferencesAccess;
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34 import org.dive4elements.artifacts.common.utils.Config;
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35 import org.dive4elements.river.artifacts.resources.Resources;
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36 import org.dive4elements.river.artifacts.model.CalculationResult;
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37 import org.dive4elements.river.artifacts.model.minfo.BedDifferencesResult;
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38 import org.dive4elements.river.artifacts.model.minfo.BedDifferenceJRDataSource;
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39 import org.dive4elements.river.exports.AbstractExporter;
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40 import org.dive4elements.river.utils.Formatter;
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41 import org.dive4elements.river.utils.RiverUtils;
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42
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43 import org.w3c.dom.Document;
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44
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45 import au.com.bytecode.opencsv.CSVWriter;
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46
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47
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48 public class BedDifferenceExporter
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49 extends AbstractExporter
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50 {
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51
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52 /** Private logger. */
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53 private static Logger logger =
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54 Logger.getLogger(BedDifferenceExporter.class);
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55
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56 private static final String CSV_HEADER_KM =
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57 "export.minfo.beddifference.km";
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58
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59 private static final String CSV_HEADER_DIFF =
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60 "export.minfo.beddifference.diff";
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61
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62 public static final String JASPER_FILE =
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63 "export.minfo.beddifference.pdf.file";
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64
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65 public static final String PDF_TITLE=
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66 "export.minfo.beddifference.pdf.title";
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67
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68 public static final String PDF_HEADER_MODE=
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69 "export.minfo.beddifference.pdf.mode";
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70
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71 private BedDifferencesResult[] results;
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72
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73 @Override
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74 public void init(Document request, OutputStream out, CallContext context) {
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75 logger.debug("init");
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76 super.init(request, out, context);
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77 results = new BedDifferencesResult[0];
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78 }
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79
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80 @Override
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81 protected void writeCSVData(CSVWriter writer) throws IOException {
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82 writeCSVHeader(writer);
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83
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84 NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
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85 NumberFormat mf = Formatter.getMeterFormat(context);
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86 for (BedDifferencesResult result : results) {
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87 double[][] kms = result.getDifferencesData();
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88 for (int j = 0; j < kms[0].length; j++) {
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89 writer.writeNext(new String[] {
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90 kmf.format(kms[0][j]), mf.format(kms[1][j])});
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91 }
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92 }
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93 }
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94
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95 @Override
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96 protected void addData(Object data) {
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97 if (!(data instanceof CalculationResult)) {
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98 logger.warn("Invalid data type.");
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99 return;
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100 }
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101 Object[] d = (Object[])((CalculationResult)data).getData();
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102
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103 if (!(d instanceof BedDifferencesResult[])) {
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104 logger.warn("Invalid result object.");
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105 return;
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106 }
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107 results = (BedDifferencesResult[])d;
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108 }
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109
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110 protected void addMetaData(BedDifferenceJRDataSource source) {
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111 CallMeta meta = context.getMeta();
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112
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113 D4EArtifact arti = (D4EArtifact) master;
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114
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115 source.addMetaData ("river", RiverUtils.getRivername(arti));
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116
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117 Locale locale = Resources.getLocale(meta);
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118 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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119
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120 source.addMetaData("date", df.format(new Date()));
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121
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122 source.addMetaData("calculation", Resources.getMsg(
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123 locale,
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124 PDF_HEADER_MODE,
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125 "Bedheight difference"));
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126
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127 // Now the dynamic parts
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128
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129 BedDifferencesAccess access = new BedDifferencesAccess(arti);
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130 source.addMetaData("ye_mode", Resources.getMsg(locale,
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131 "state.minfo." + access.getYearEpoch(),
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132 access.getYearEpoch()));
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133
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134 source.addMetaData("differences", StringUtils.join(
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135 access.getDifferenceArtifactNamePairs(), "\n"));
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136 }
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137
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138
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139 protected void writeCSVHeader(CSVWriter writer) {
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140 logger.debug("writeCSVHeader()");
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141
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142 List<String> header = new LinkedList<String>();
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143 if (results != null) {
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144 header.add(msg(CSV_HEADER_KM, "km"));
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145 header.add(msg(CSV_HEADER_DIFF, "m"));
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146 }
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147 writer.writeNext(header.toArray(new String[header.size()]));
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148 }
6242
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149
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150 protected BedDifferenceJRDataSource createJRData() {
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151 BedDifferenceJRDataSource source = new BedDifferenceJRDataSource();
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152
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153 addMetaData(source);
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154 NumberFormat kmf = Formatter.getCalculationKm(context.getMeta());
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155 NumberFormat mf = Formatter.getMeterFormat(context);
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156 for (BedDifferencesResult result: results) {
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157 double[][] kms = result.getDifferencesData();
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158 for (int j = 0; j < kms[0].length; j++) {
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159 source.addData(new String[] {
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160 kmf.format(kms[0][j]), mf.format(kms[1][j])});
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161 }
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162 }
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163 return source;
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164 }
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165
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166 @Override
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167 protected void writePDF(OutputStream out) {
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168 logger.debug("write PDF");
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169 BedDifferenceJRDataSource source = createJRData();
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170
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171 String jasperFile = Resources.getMsg(
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172 context.getMeta(),
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173 JASPER_FILE,
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174 "/jasper/beddifference_en.jasper");
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175 String confPath = Config.getConfigDirectory().toString();
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176
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177
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178 Map parameters = new HashMap();
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179 parameters.put("ReportTitle", Resources.getMsg(
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180 context.getMeta(), PDF_TITLE, "Exported Data"));
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181 try {
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182 JasperPrint print = JasperFillManager.fillReport(
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183 confPath + jasperFile,
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184 parameters,
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185 source);
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186 JasperExportManager.exportReportToPdfStream(print, out);
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187 }
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188 catch(JRException je) {
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189 logger.warn("Error generating PDF Report!", je);
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190 }
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191 }
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192
6217
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193 }
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194 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org