Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractXYLineChart.java @ 354:0970d9a7d65e

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Upgraded to Apache Commons Math 2.0. gnv-artifacts/trunk@427 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 15 Dec 2009 14:12:58 +0000
parents 4ac3c1c1c060
children 2413273f1c13
rev   line source
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1 package de.intevation.gnv.chart;
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2
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3 import java.awt.Color;
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4 import java.awt.geom.Ellipse2D;
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5 import java.text.NumberFormat;
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6 import java.util.Collection;
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7 import java.util.Iterator;
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8 import java.util.Locale;
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9 import java.util.Map;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import org.jfree.chart.JFreeChart;
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14 import org.jfree.chart.ChartFactory;
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15 import org.jfree.chart.axis.Axis;
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16 import org.jfree.chart.axis.NumberAxis;
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17 import org.jfree.chart.axis.NumberTickUnit;
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18 import org.jfree.chart.axis.AxisLocation;
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19 import org.jfree.chart.plot.PlotOrientation;
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20 import org.jfree.chart.plot.XYPlot;
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21 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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22 import org.jfree.chart.title.TextTitle;
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23 import org.jfree.data.general.Series;
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24
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25 import de.intevation.gnv.geobackend.base.Result;
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26 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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27
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28
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29 /**
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30 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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31 */
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32 public abstract class AbstractXYLineChart
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33 extends AbstractChart
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34 {
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35 private static Logger log = Logger.getLogger(AbstractXYLineChart.class);
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36
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37 protected static Color[] COLOR = {
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38 Color.black, Color.red, Color.green, Color.blue, Color.yellow,
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39 Color.gray, Color.orange, Color.pink, Color.cyan
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40 };
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41
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42 protected static int nextColor = 0;
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43
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44 protected PlotOrientation PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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45
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46 protected Map datasets;
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47
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48 protected abstract void initData();
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49 protected abstract void addValue(Result row, Series series);
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50 protected abstract void addSeries(Series series, String label, int idx);
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51 protected abstract void localizeDomainAxis(Axis axis, Locale locale);
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52 protected abstract String createSeriesName(
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53 String breakPoint1,
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54 String breakPoint2,
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55 String breakPoint3
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56 );
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57
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58
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59 public JFreeChart generateChart() {
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60 log.debug("generate XYLineChart");
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61 nextColor = 0;
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62
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63 if (chart != null)
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64 return chart;
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65
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66 initChart();
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67
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68 chart.addSubtitle(new TextTitle(labels.getSubtitle()));
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69
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70 theme.apply(chart);
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71 initData();
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72
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73 adjustPlot((XYPlot)chart.getPlot());
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74
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75 return chart;
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76 }
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77
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78
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79 protected void initChart() {
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80 chart = ChartFactory.createXYLineChart(
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81 labels.getTitle(),
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82 labels.getDomainAxisLabel(),
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83 null,
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84 null,
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85 PLOT_ORIENTATION,
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86 true,
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87 false,
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88 false
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89 );
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90 }
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92
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93 protected void prepareAxis(String seriesKey, int idx) {
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94 log.debug("prepare axis of xychart");
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95
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96 XYPlot plot = chart.getXYPlot();
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97 Axis xAxis = plot.getDomainAxis();
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98 NumberAxis yAxis = new NumberAxis(seriesKey);
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99
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100 localizeDomainAxis(xAxis, locale);
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101 localizeRangeAxis(yAxis, locale);
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102
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103 if (seriesKey.contains("richtung")) {
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104 yAxis.setTickUnit(new NumberTickUnit(30.0));
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105 yAxis.setUpperBound(360.0);
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106 yAxis.setLowerBound(0.0);
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107 plot.setRangeAxis(idx, yAxis);
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108 }
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109 else {
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110 yAxis.setFixedDimension(10.0);
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111 yAxis.setAutoRangeIncludesZero(false);
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112 plot.setRangeAxis(idx, yAxis);
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113 yAxis.configure();
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114 }
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115
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116 if (idx % 2 != 0)
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117 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_RIGHT);
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118 else
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119 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_LEFT);
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120 plot.mapDatasetToRangeAxis(idx, idx);
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121 }
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122
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124 protected void adjustRenderer(
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125 int idx,
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126 int seriesCount,
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127 boolean renderLines,
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128 boolean renderShapes
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129 ) {
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130 log.debug("Adjust render of series");
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131 XYLineAndShapeRenderer renderer = null;
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132 XYPlot plot = chart.getXYPlot();
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133
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134 try {
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135 renderer = (XYLineAndShapeRenderer)((XYLineAndShapeRenderer)
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136 (plot.getRenderer())).clone();
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137 }
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138 catch (CloneNotSupportedException cnse) {
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139 log.warn("Error while cloning renderer.", cnse);
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140 renderer = new XYLineAndShapeRenderer(renderLines, renderShapes);
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141 renderer.setBaseShape(new Ellipse2D.Double(-2,-2,4,4));
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142 }
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143
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144 for (int i = 0; i < seriesCount; i++) {
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145 renderer.setSeriesShape(i, renderer.getSeriesShape(0));
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146 renderer.setSeriesPaint(i, COLOR[nextColor%COLOR.length]);
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147 renderer.setSeriesShapesVisible(i, renderShapes);
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148 renderer.setSeriesLinesVisible(i, renderLines);
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149 nextColor++;
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150 }
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151 plot.setRenderer(idx, renderer);
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152 }
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153
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154
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155 protected void adjustPlot(XYPlot plot) {
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156 if (plot.getRangeAxisCount() > 1)
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157 plot.setRangeGridlinesVisible(false);
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158 }
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159
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160
315
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161 protected void localizeRangeAxis(Axis axis, Locale locale) {
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162 if (locale == null)
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163 return;
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164
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165 log.debug(
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166 "Set language of axis [" + axis.getLabel() + "] " +
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167 "to " + locale.toString()
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168 );
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169
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170 NumberFormat format = NumberFormat.getInstance(locale);
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171 ((NumberAxis) axis).setNumberFormatOverride(format);
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172 }
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173
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174
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175 protected String findParameter(String label) {
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176 Iterator iter = parameters.iterator();
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177
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178 while (iter.hasNext()) {
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179 KeyValueDescibeData data = (KeyValueDescibeData) iter.next();
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180 String key = data.getValue();
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181
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182 if (label.indexOf(key) > -1)
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183 return key;
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184 }
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185
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186 return label;
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187 }
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188
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189
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190 protected String findValueTitle(Collection values, String id) {
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191 log.debug("find description of dataset");
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192
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193 if (values != null){
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194 Iterator it = values.iterator();
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195 while (it.hasNext()) {
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196 KeyValueDescibeData data = (KeyValueDescibeData) it.next();
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197
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198 if (id.equals(data.getKey()))
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199 return data.getValue();
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200 }
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201 }
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202 return "";
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203 }
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204 }
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205 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org