Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractXYLineChart.java @ 356:3eee1369c79b

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Added the Unit of the Parameter to the Query for Parameters in all Parameterqueries where it was still missing. Now the Unit will be displaied in the Combobox and in the Diagramm-Axis-Description gnv-artifacts/trunk@429 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 15 Dec 2009 14:55:42 +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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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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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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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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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