Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FixingsKMChartService.java @ 3287:30f157c7e466
SQ: Filter out meassures which don't have a 'Siebsatz'
flys-artifacts/trunk@4953 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 12 Jul 2012 13:58:30 +0000 |
parents | 6bde7c90dc93 |
children | 64a59cca1887 |
rev | line source |
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1 package de.intevation.flys.artifacts.services; |
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2 |
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3 import de.intevation.artifactdatabase.DefaultService; |
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4 |
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5 import de.intevation.artifacts.CallMeta; |
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6 import de.intevation.artifacts.GlobalContext; |
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7 import de.intevation.artifacts.Service; |
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8 |
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9 import de.intevation.flys.artifacts.model.FixingsColumn; |
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10 import de.intevation.flys.artifacts.model.FixingsColumnFactory; |
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11 import de.intevation.flys.artifacts.model.FixingsFilterBuilder; |
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12 |
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13 import de.intevation.flys.artifacts.model.FixingsOverview.Fixing; |
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14 |
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15 import de.intevation.flys.artifacts.model.FixingsOverview; |
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16 import de.intevation.flys.artifacts.model.FixingsOverviewFactory; |
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17 import de.intevation.flys.artifacts.model.GaugeFinder; |
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18 import de.intevation.flys.artifacts.model.GaugeFinderFactory; |
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19 import de.intevation.flys.artifacts.model.GaugeRange; |
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20 |
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21 import de.intevation.flys.artifacts.model.fixings.QW; |
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22 |
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23 import de.intevation.flys.artifacts.resources.Resources; |
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24 |
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25 import de.intevation.flys.backend.SessionHolder; |
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26 |
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27 import de.intevation.flys.jfree.ShapeRenderer; |
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28 |
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29 import de.intevation.flys.utils.Formatter; |
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30 import de.intevation.flys.utils.Pair; |
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31 |
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32 import java.awt.BasicStroke; |
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33 import java.awt.Color; |
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34 import java.awt.Dimension; |
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35 import java.awt.Transparency; |
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36 |
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37 import java.awt.geom.Rectangle2D; |
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38 |
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39 import java.awt.image.BufferedImage; |
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40 |
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41 import java.io.ByteArrayOutputStream; |
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42 import java.io.IOException; |
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43 |
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44 import java.util.ArrayList; |
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45 import java.util.List; |
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46 |
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47 import javax.imageio.ImageIO; |
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48 |
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49 import org.apache.log4j.Logger; |
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50 |
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51 import org.jfree.chart.ChartFactory; |
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52 import org.jfree.chart.JFreeChart; |
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53 import org.jfree.chart.LegendItemCollection; |
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54 |
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55 import org.jfree.chart.axis.NumberAxis; |
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56 |
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57 import org.jfree.chart.plot.Marker; |
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58 import org.jfree.chart.plot.PlotOrientation; |
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59 import org.jfree.chart.plot.ValueMarker; |
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60 import org.jfree.chart.plot.XYPlot; |
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61 |
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62 import org.jfree.data.Range; |
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63 |
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64 import org.jfree.ui.RectangleAnchor; |
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65 import org.jfree.ui.TextAnchor; |
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66 |
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67 import org.w3c.dom.Document; |
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68 import org.w3c.dom.Element; |
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69 import org.w3c.dom.NodeList; |
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70 |
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71 public class FixingsKMChartService |
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72 extends DefaultService |
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73 { |
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74 private static final Logger log = |
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75 Logger.getLogger(FixingsKMChartService.class); |
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76 |
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77 public static final int DEFAULT_WIDTH = 240; |
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78 public static final int DEFAULT_HEIGHT = 180; |
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79 |
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80 public static final String [] I18N_Q_SECTOR_BOARDERS = { |
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81 "fix.km.chart.q.sector.border0", |
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82 "fix.km.chart.q.sector.border1", |
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83 "fix.km.chart.q.sector.border2" |
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84 }; |
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85 |
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86 public static final String [] DEFAULT_Q_SECTOR_BORDERS = { |
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87 "(MNQ + MQ)/2", |
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88 "(MQ + MHQ)/2", |
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89 "HQ5" |
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90 }; |
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91 |
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92 public static final String I18N_CHART_LABEL_DATE = |
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93 "fix.km.chart.label.date"; |
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94 |
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95 public static final String DEFAULT_CHART_LABEL_DATE = |
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96 "yyyy/MM/dd"; |
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97 |
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98 public static final String I18N_CHART_TITLE = |
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99 "fix.km.chart.title"; |
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100 |
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101 public static final String DEFAULT_CHART_TITLE = |
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102 "Fixings {0} km {1,number,#.###}"; |
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103 |
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104 public static final String I18N_Q_AXIS = |
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105 "fix.km.chart.q.axis"; |
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106 |
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107 public static final String DEFAULT_Q_AXIS = |
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108 "Q [m\u00b3/s]"; |
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109 |
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110 public static final String I18N_W_AXIS = |
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111 "fix.km.chart.w.axis"; |
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112 |
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113 public static final String DEFAULT_W_AXIS = |
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114 "W [NN + m]"; |
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115 |
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116 public static final String I18N_MEASURED = |
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117 "fix.km.chart.measured"; |
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118 |
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119 public static final String DEFAULT_MEASURED = |
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120 "measured"; |
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121 |
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122 public static final String I18N_INTERPOLATED = |
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123 "fix.km.chart.interpolated"; |
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124 |
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125 public static final String DEFAULT_INTERPOLATED = |
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126 "interpolated"; |
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127 |
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128 public static final String DEFAULT_FORMAT = "png"; |
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129 |
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130 // TODO: Load fancy image from resources. |
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131 public static final byte [] EMPTY = { |
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132 (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47, |
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133 (byte)0x0d, (byte)0x0a, (byte)0x1a, (byte)0x0a, |
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134 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d, |
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135 (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52, |
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136 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, |
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137 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, |
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138 (byte)0x08, (byte)0x00, (byte)0x00, (byte)0x00, |
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139 (byte)0x00, (byte)0x3a, (byte)0x7e, (byte)0x9b, |
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140 (byte)0x55, (byte)0x00, (byte)0x00, (byte)0x00, |
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141 (byte)0x01, (byte)0x73, (byte)0x52, (byte)0x47, |
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142 (byte)0x42, (byte)0x00, (byte)0xae, (byte)0xce, |
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143 (byte)0x1c, (byte)0xe9, (byte)0x00, (byte)0x00, |
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144 (byte)0x00, (byte)0x09, (byte)0x70, (byte)0x48, |
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145 (byte)0x59, (byte)0x73, (byte)0x00, (byte)0x00, |
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146 (byte)0x0b, (byte)0x13, (byte)0x00, (byte)0x00, |
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147 (byte)0x0b, (byte)0x13, (byte)0x01, (byte)0x00, |
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148 (byte)0x9a, (byte)0x9c, (byte)0x18, (byte)0x00, |
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149 (byte)0x00, (byte)0x00, (byte)0x07, (byte)0x74, |
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150 (byte)0x49, (byte)0x4d, (byte)0x45, (byte)0x07, |
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151 (byte)0xdc, (byte)0x04, (byte)0x04, (byte)0x10, |
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152 (byte)0x30, (byte)0x15, (byte)0x7d, (byte)0x77, |
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153 (byte)0x36, (byte)0x0b, (byte)0x00, (byte)0x00, |
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154 (byte)0x00, (byte)0x08, (byte)0x74, (byte)0x45, |
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155 (byte)0x58, (byte)0x74, (byte)0x43, (byte)0x6f, |
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156 (byte)0x6d, (byte)0x6d, (byte)0x65, (byte)0x6e, |
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157 (byte)0x74, (byte)0x00, (byte)0xf6, (byte)0xcc, |
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158 (byte)0x96, (byte)0xbf, (byte)0x00, (byte)0x00, |
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159 (byte)0x00, (byte)0x0a, (byte)0x49, (byte)0x44, |
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160 (byte)0x41, (byte)0x54, (byte)0x08, (byte)0xd7, |
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161 (byte)0x63, (byte)0xf8, (byte)0x0f, (byte)0x00, |
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162 (byte)0x01, (byte)0x01, (byte)0x01, (byte)0x00, |
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163 (byte)0x1b, (byte)0xb6, (byte)0xee, (byte)0x56, |
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164 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, |
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165 (byte)0x49, (byte)0x45, (byte)0x4e, (byte)0x44, |
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166 (byte)0xae, (byte)0x42, (byte)0x60, (byte)0x82 |
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167 }; |
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168 |
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169 private static final Output empty() { |
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170 return new Output(EMPTY, "image/png"); |
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171 } |
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172 |
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173 @Override |
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174 public Service.Output process( |
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175 Document data, |
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176 GlobalContext globalContext, |
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177 CallMeta callMeta |
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178 ) { |
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179 log.debug("FixingsKMChartService.process"); |
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180 |
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181 SessionHolder.acquire(); |
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182 try { |
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183 return doProcess(data, globalContext, callMeta); |
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184 } |
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185 finally { |
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186 SessionHolder.HOLDER.get().close(); |
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187 SessionHolder.release(); |
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188 } |
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189 } |
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190 |
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191 protected Service.Output doProcess( |
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192 Document input, |
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193 GlobalContext globalContext, |
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194 CallMeta callMeta |
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195 ) { |
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196 String river = getRiverName(input); |
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197 Double km = getKM(input); |
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198 Dimension extent = getExtent(input); |
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199 String format = getFormat(input); |
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200 |
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201 if (river == null || km == null) { |
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202 log.warn("River and/or km invalid."); |
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203 return empty(); |
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204 } |
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205 |
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206 FixingsOverview overview = FixingsOverviewFactory.getOverview(river); |
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207 |
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208 if (overview == null) { |
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209 log.warn("No overview found for river '" + river + "'"); |
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210 return empty(); |
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211 } |
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212 |
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213 FixingsFilterBuilder ffb = new FixingsFilterBuilder(input); |
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214 |
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215 List<Fixing.Column> columns = overview.filter( |
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216 ffb.getRange(), |
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217 ffb.getFilter()); |
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218 |
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219 List<Pair<Fixing.Column, FixingsColumn>> cols = |
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220 new ArrayList<Pair<Fixing.Column, FixingsColumn>>(); |
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221 |
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222 for (Fixing.Column col: columns) { |
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223 FixingsColumn data = |
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224 FixingsColumnFactory.INSTANCE.getColumnData(col); |
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225 if (data != null) { |
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226 cols.add(new Pair<Fixing.Column, FixingsColumn>(col, data)); |
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227 } |
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228 } |
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229 |
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230 JFreeChart chart = createChart(cols, river, km, callMeta); |
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231 |
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232 return encode(chart, extent, format); |
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233 } |
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234 |
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235 protected static Output encode( |
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236 JFreeChart chart, |
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237 Dimension extent, |
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238 String format |
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239 ) { |
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240 BufferedImage image = chart.createBufferedImage( |
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241 extent.width, extent.height, |
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242 Transparency.BITMASK, |
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243 null); |
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244 |
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245 ByteArrayOutputStream out = new ByteArrayOutputStream(); |
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246 |
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247 try { |
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248 ImageIO.write(image, format, out); |
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249 } |
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250 catch (IOException ioe) { |
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251 log.warn("writing image failed", ioe); |
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252 return empty(); |
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253 } |
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254 |
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255 return new Output(out.toByteArray(), "image/" + format); |
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256 } |
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257 |
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258 protected static JFreeChart createChart( |
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259 List<Pair<Fixing.Column, FixingsColumn>> cols, |
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260 String river, |
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261 double km, |
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262 CallMeta callMeta |
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263 ) { |
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264 String labelFormat = Resources.getMsg( |
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265 callMeta, I18N_CHART_LABEL_DATE, DEFAULT_CHART_LABEL_DATE); |
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266 |
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267 QWSeriesCollection.LabelGenerator lg = |
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268 new QWSeriesCollection.DateFormatLabelGenerator(labelFormat); |
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269 |
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270 QWSeriesCollection dataset = new QWSeriesCollection(lg); |
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271 |
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272 double [] w = new double[1]; |
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273 for (Pair<Fixing.Column, FixingsColumn> col: cols) { |
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274 boolean interpolated = !col.getB().getW(km, w); |
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275 double q = col.getB().getQ(km); |
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276 if (!Double.isNaN(w[0]) && !Double.isNaN(q)) { |
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277 QW qw = new QW( |
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278 q, w[0], |
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279 col.getA().getDescription(), |
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280 col.getA().getStartTime(), |
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281 interpolated); |
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282 dataset.add(qw); |
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283 } |
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284 } |
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285 |
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286 String title = Resources.format( |
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287 callMeta, I18N_CHART_TITLE, DEFAULT_CHART_TITLE, river, km); |
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288 |
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289 String qAxis = Resources.getMsg( |
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290 callMeta, I18N_Q_AXIS, DEFAULT_Q_AXIS); |
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291 |
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292 String wAxis = Resources.getMsg( |
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293 callMeta, I18N_W_AXIS, DEFAULT_W_AXIS); |
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294 |
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295 JFreeChart chart = ChartFactory.createXYLineChart( |
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296 title, |
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297 qAxis, |
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298 wAxis, |
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299 null, |
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300 PlotOrientation.VERTICAL, |
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301 true, |
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302 true, |
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303 false); |
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304 |
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305 XYPlot plot = (XYPlot)chart.getPlot(); |
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306 |
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307 NumberAxis qA = (NumberAxis)plot.getDomainAxis(); |
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308 qA.setNumberFormatOverride(Formatter.getWaterlevelQ(callMeta)); |
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309 |
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310 NumberAxis wA = (NumberAxis)plot.getRangeAxis(); |
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311 wA.setNumberFormatOverride(Formatter.getWaterlevelW(callMeta)); |
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312 |
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313 plot.setRenderer(0, dataset.createRenderer()); |
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314 plot.setDataset(0, dataset); |
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315 |
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316 Rectangle2D area = dataset.getArea(); |
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317 |
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318 if (area != null) { |
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319 double height = area.getHeight(); |
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320 double wInset = Math.max(height, 0.01) * 0.25d; |
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321 |
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322 wA.setAutoRangeIncludesZero(false); |
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323 wA.setRange(new Range( |
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324 area.getMinY() - wInset, |
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325 area.getMaxY() + wInset)); |
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326 } |
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327 |
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328 final String measuredS = Resources.getMsg( |
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329 callMeta, I18N_MEASURED, DEFAULT_MEASURED); |
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330 |
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331 final String interpolatedS = Resources.getMsg( |
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332 callMeta, I18N_INTERPOLATED, DEFAULT_INTERPOLATED); |
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333 |
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334 LegendItemCollection lic = plot.getLegendItems(); |
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335 dataset.addLegendItems(lic, new ShapeRenderer.LabelGenerator() { |
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336 @Override |
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337 public String createLabel(ShapeRenderer.Entry entry) { |
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338 return entry.getFilled() ? measuredS : interpolatedS; |
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339 } |
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340 }); |
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341 plot.setFixedLegendItems(lic); |
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342 |
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343 applyQSectorMarkers(plot, river, km, callMeta); |
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344 |
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345 chart.setBackgroundPaint(Color.white); |
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346 plot.setBackgroundPaint(Color.white); |
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347 plot.setDomainGridlinePaint(Color.gray); |
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348 plot.setRangeGridlinePaint(Color.gray); |
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349 plot.setDomainGridlinesVisible(true); |
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350 plot.setRangeGridlinesVisible(true); |
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351 |
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352 return chart; |
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353 } |
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354 |
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355 protected static void applyQSectorMarkers( |
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356 XYPlot plot, |
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357 String river, |
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358 double km, |
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359 CallMeta meta |
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360 ) { |
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361 GaugeFinderFactory ggf = GaugeFinderFactory.getInstance(); |
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362 GaugeFinder gf = ggf.getGaugeFinder(river); |
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363 |
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364 if (gf == null) { |
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365 log.warn("No gauge finder found for river '" + river + "'"); |
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366 return; |
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367 } |
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368 |
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369 GaugeRange gr = gf.find(km); |
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370 if (gr == null) { |
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371 log.debug("No gauge range found for km " |
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372 + km + " on river " + river + "."); |
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373 return; |
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374 } |
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375 |
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376 if (log.isDebugEnabled()) { |
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377 log.debug(gr); |
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378 } |
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379 |
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380 for (int i = 0; i < I18N_Q_SECTOR_BOARDERS.length; ++i) { |
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381 String key = I18N_Q_SECTOR_BOARDERS[i]; |
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382 String def = DEFAULT_Q_SECTOR_BORDERS[i]; |
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383 String label = Resources.getMsg(meta, key, def); |
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384 |
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385 Marker m = createQSectorMarker( |
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386 gr.getSectorBorder(i), |
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387 label); |
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388 |
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389 if (m != null) { |
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390 plot.addDomainMarker(m); |
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391 } |
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392 } |
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393 } |
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394 |
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395 protected static Marker createQSectorMarker(double value, String label) { |
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396 if (Double.isNaN(value)) { |
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397 return null; |
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398 } |
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399 Marker m = new ValueMarker(value); |
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400 m.setPaint(Color.black); |
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401 m.setStroke(new BasicStroke()); |
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402 m.setLabel(label); |
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403 m.setLabelAnchor(RectangleAnchor.TOP_LEFT); |
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404 m.setLabelTextAnchor(TextAnchor.TOP_LEFT); |
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405 return m; |
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FixA: Draw domain markers for borders of Q sectors in helper diagram.
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406 } |
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407 |
2620
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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408 protected static String getRiverName(Document input) { |
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409 NodeList rivers = input.getElementsByTagName("river"); |
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410 |
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411 if (rivers.getLength() == 0) { |
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412 return null; |
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413 } |
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414 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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415 String river = ((Element)rivers.item(0)).getAttribute("name"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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416 |
2621
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FixingsKMChartService.java: Small fixes.
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417 return river.length() > 0 ? river : null; |
2620
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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418 } |
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419 |
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420 protected static Double getKM(Document input) { |
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421 NodeList kms = input.getElementsByTagName("km"); |
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422 |
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423 if (kms.getLength() == 0) { |
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424 return null; |
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425 } |
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426 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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427 String km = ((Element)kms.item(0)).getAttribute("value"); |
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428 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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429 try { |
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430 return Double.valueOf(km); |
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431 } |
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432 catch (NumberFormatException nfe) { |
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433 log.warn("Km '" + km + " is not a valid number."); |
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434 return null; |
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435 } |
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436 } |
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437 |
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438 protected static Dimension getExtent(Document input) { |
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439 |
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440 int width = DEFAULT_WIDTH; |
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441 int height = DEFAULT_HEIGHT; |
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442 |
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443 NodeList extents = input.getElementsByTagName("extent"); |
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444 |
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445 if (extents.getLength() > 0) { |
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446 Element element = (Element)extents.item(0); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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447 String w = element.getAttribute("width"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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448 String h = element.getAttribute("height"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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449 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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450 try { |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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451 width = Math.max(1, Integer.parseInt(w)); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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452 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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453 catch (NumberFormatException nfe) { |
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454 log.warn("width '" + w + "' is not a valid."); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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455 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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456 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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457 try { |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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458 height = Math.max(1, Integer.parseInt(h)); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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459 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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460 catch (NumberFormatException nfe) { |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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461 log.warn("height '" + h + "' is not a valid"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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462 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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463 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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464 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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465 return new Dimension(width, height); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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466 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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467 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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468 protected static String getFormat(Document input) { |
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469 String format = DEFAULT_FORMAT; |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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470 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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471 NodeList formats = input.getElementsByTagName("format"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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472 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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473 if (formats.getLength() > 0) { |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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474 String type = ((Element)formats.item(0)).getAttribute("type"); |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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475 if (type.length() > 0) { |
cc0fa1798a3c
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476 format = type; |
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477 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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478 } |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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479 |
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FixingsKMChartService: Generate chart and deliver the image as the response of the service.
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480 return format; |
2614
036e234c2385
Added service to generate a chart of fixings for given river and km applied
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481 } |
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Added service to generate a chart of fixings for given river and km applied
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482 } |
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Added service to generate a chart of fixings for given river and km applied
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483 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |