Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ComputedDischargeCurveExporter.java @ 2182:5ff481ab24a1

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Refactored class hierachy to integrate model for W~W. flys-artifacts/trunk@3786 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 27 Jan 2012 10:45:34 +0000
parents 28dbeb64ce7c
children a9a8df1473fd
rev   line source
392
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diff changeset
1 package de.intevation.flys.exports;
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2
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3 import java.io.OutputStream;
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4 import java.text.NumberFormat;
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5 import java.util.ArrayList;
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6 import java.util.Arrays;
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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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14 import org.w3c.dom.Document;
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16 import org.apache.log4j.Logger;
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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
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28 import de.intevation.flys.artifacts.FLYSArtifact;
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29
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30 import de.intevation.flys.artifacts.model.CalculationResult;
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31 import de.intevation.flys.artifacts.model.WQKms;
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32 import de.intevation.flys.artifacts.model.WKmsJRDataSource;
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33 import de.intevation.flys.artifacts.resources.Resources;
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34
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35 import de.intevation.flys.utils.FLYSUtils;
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36 import de.intevation.flys.utils.Formatter;
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37
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38
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39 /**
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40 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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41 */
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42 public class ComputedDischargeCurveExporter 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 =
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46 Logger.getLogger(ComputedDischargeCurveExporter.class);
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47
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48
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49 public static final String CSV_W_HEADER =
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50 "export.computed.discharge.curve.csv.header.w";
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51
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52 public static final String CSV_Q_HEADER =
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53 "export.computed.discharge.curve.csv.header.q";
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54
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55 public static final String DEFAULT_CSV_W_HEADER = "W [NN + m]";
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56 public static final String DEFAULT_CSV_Q_HEADER = "Q [m\u00b3/s]";
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57
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58 public static final String PDF_HEADER_MODE = "export.computed.discharge.pdf.mode";
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61 protected List<WQKms> 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("ComputedDischargeCurveExporter.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<WQKms>();
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70 }
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72
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73 @Override
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74 protected void addData(Object d) {
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75 if (d instanceof CalculationResult) {
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76 d = ((CalculationResult)d).getData();
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77 if (d instanceof WQKms []) {
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78 data.addAll(Arrays.asList((WQKms [])d));
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79 }
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80 }
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81 }
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82
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84 protected void writeCSVData(CSVWriter writer) {
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85 logger.info("ComputedDischargeCurveExporter.writeData");
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86
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87 writeCSVHeader(writer);
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88
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89 NumberFormat wf = getWFormatter();
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90 NumberFormat qf = getQFormatter();
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92 double[] res = new double[3];
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94 for (WQKms wqkms: data) {
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95 int size = wqkms.size();
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97 for (int i = 0; i < size; i++) {
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98 res = wqkms.get(i, res);
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100 writer.writeNext(new String[] {
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101 wf.format(res[0]),
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102 qf.format(res[1])
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103 });
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104 }
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105 }
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106 }
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108
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109 protected void writeCSVHeader(CSVWriter writer) {
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110 logger.debug("ComputedDischargeCurveExporter.writeCSVHeader");
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111
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112 writer.writeNext(new String[] {
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113 msg(CSV_W_HEADER, DEFAULT_CSV_W_HEADER),
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114 msg(CSV_Q_HEADER, DEFAULT_CSV_Q_HEADER)
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115 });
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116 }
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117
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118
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119 /**
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120 * Returns the number formatter for W values.
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121 *
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122 * @return the number formatter for W values.
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123 */
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124 protected NumberFormat getWFormatter() {
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125 return Formatter.getComputedDischargeW(context);
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126 }
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127
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128
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129 /**
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130 * Returns the number formatter for Q values.
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131 *
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132 * @return the number formatter for Q values.
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133 */
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134 protected NumberFormat getQFormatter() {
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135 return Formatter.getComputedDischargeQ(context);
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136 }
2176
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137
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138
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139 @Override
2177
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140 protected void writePDF(OutputStream out) {
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141 WKmsJRDataSource source = createJRData();
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142 Map parameters = new HashMap();
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143 parameters.put("ReportTitle", "Exported Data");
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144 try {
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145 JasperPrint print = JasperFillManager.fillReport(
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146 "conf/jasper/computed-discharge.jasper",
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147 parameters,
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148 source);
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149 JasperExportManager.exportReportToPdfStream(print, out);
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150 }
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151 catch(JRException je) {
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152 logger.warn("Error generating PDF Report!");
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153 je.printStackTrace();
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154 }
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155 }
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156
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157
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158 protected WKmsJRDataSource createJRData() {
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159 WKmsJRDataSource source = new WKmsJRDataSource();
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160
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161 addMetaData(source);
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162 addWQData(source);
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163
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164 return source;
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165 }
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166
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167
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168 protected void addMetaData(WKmsJRDataSource source) {
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169 CallMeta meta = context.getMeta();
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170
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171 FLYSArtifact flys = (FLYSArtifact) master;
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172
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173 source.addMetaData ("river", FLYSUtils.getRivername(flys));
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174
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175 Locale locale = Resources.getLocale(meta);
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176 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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177
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178 source.addMetaData("date", df.format(new Date()));
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179
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180 double[] kms = FLYSUtils.getKmRange(flys);
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181 source.addMetaData("range", String.valueOf(kms[0]));
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182
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183 source.addMetaData("calculation", Resources.getMsg(
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184 locale,
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185 PDF_HEADER_MODE,
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186 "Computed Discharge"));
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187 }
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188
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189 protected void addWQData(WKmsJRDataSource source) {
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190 NumberFormat wf = getWFormatter();
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191 NumberFormat qf = getQFormatter();
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192
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193 double[] res = new double[3];
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194
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195 for (WQKms wqkms: data) {
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196 int size = wqkms.size();
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197
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198 for (int i = 0; i < size; i++) {
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199 res = wqkms.get(i, res);
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200
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201 source.addData(new String[] {
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202 "", // Empty, the WKmsJRDtasource stores km here.
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203 wf.format(res[0]),
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204 qf.format(res[1])
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205 });
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206 }
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207 }
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208
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209 }
392
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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parents:
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210 }
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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parents:
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211 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org