Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionOutputState.java @ 358:2f7a28f211c7

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Fetch ChartTheme from CallContext instead of creating it each time before creating a chart. gnv-artifacts/trunk@431 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 15 Dec 2009 15:30:25 +0000
parents 2e43542e6a11
children 22229249e9fc
rev   line source
335
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.state.profile.verticalcrosssection;
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5
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6 import java.io.IOException;
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7 import java.io.OutputStream;
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8 import java.io.OutputStreamWriter;
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9 import java.io.UnsupportedEncodingException;
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10 import java.util.Collection;
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11 import java.util.Iterator;
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12 import java.util.Locale;
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13
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14 import org.apache.log4j.Logger;
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15
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16 import org.jfree.chart.ChartTheme;
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17
335
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18 import au.com.bytecode.opencsv.CSVWriter;
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19
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20 import com.vividsolutions.jts.geom.Point;
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21 import com.vividsolutions.jts.io.ParseException;
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22 import com.vividsolutions.jts.io.WKTReader;
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23
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24 import de.intevation.gnv.chart.Chart;
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25 import de.intevation.gnv.chart.ChartLabels;
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26 import de.intevation.gnv.chart.ChartStyle;
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27 import de.intevation.gnv.chart.VerticalCrossSectionChartFactory;
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28 import de.intevation.gnv.chart.exception.TechnicalChartException;
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29 import de.intevation.gnv.geobackend.base.Result;
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30 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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31 import de.intevation.gnv.state.exception.StateException;
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32 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
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33 import de.intevation.gnv.statistics.Statistics;
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34 import de.intevation.gnv.statistics.VerticalProfileStatistics;
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35
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36 /**
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37 * @author Tim Englich <tim.englich@intevation.de>
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38 *
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39 */
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40 public class VerticalCrossSectionOutputState extends TimeSeriesOutputState {
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41
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42 private static Logger log = Logger
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43 .getLogger(VerticalCrossSectionOutputState.class);
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44
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45 /**
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46 * The UID of this Class
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47 */
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48 private static final long serialVersionUID = 3233620652465061860L;
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49
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50 /**
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51 * Constructor
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52 */
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53 public VerticalCrossSectionOutputState() {
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54 super();
343
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55 super.domainLable = "chart.verticalcrosssection.title.xaxis";
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56 }
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57
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58 @Override
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59 protected Chart getChart(
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60 ChartLabels chartLables,
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61 ChartTheme theme,
335
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62 Collection parameters,
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63 Collection measurements,
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64 Collection dates,
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65 Collection result,
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66 Locale locale,
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67 String uuid,
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68 boolean linesVisible,
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69 boolean shapesVisible
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70 ) {
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71 Chart chart = null;
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72
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73 if (CACHE_CHART) {
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74 log.info("Try to get verticalcrosssection chart from cache.");
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75 chart = (Chart) getChartFromCache(uuid);
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76 }
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77
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78 if (chart != null)
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79 return chart;
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80
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81 log.info("Chart not in cache yet.");
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82
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83 log.warn("This sort of chart is not implemented yet.");
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84 /* TODO Implement a special chart for this sort of charts.
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85 chart = new VerticalProfileChart(
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86 chartLables,
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87 chartTheme,
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88 parameters,
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89 measurements,
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90 result,
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91 dates,
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92 locale
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93 );
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94 chart.generateChart();
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95
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96 if (CACHE_CHART) {
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97 log.info("Put chart into cache.");
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98 purifyChart(chart, uuid);
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99 }
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100 */
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101
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102 return chart;
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103 }
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104
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105 /**
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106 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createChart(java.io.OutputStream,
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107 * java.util.Collection, java.util.Collection, java.lang.String,
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108 * de.intevation.gnv.chart.ChartStyle,
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109 * de.intevation.gnv.chart.ChartLabels)
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110 */
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111 /*
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112 @Override
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113 protected void createChart(OutputStream outputStream,
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114 Collection<KeyValueDescibeData> parameters,
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115 Collection<KeyValueDescibeData> measurements,
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116 Collection<KeyValueDescibeData> dates,
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117 ChartStyle chartStyle, ChartLabels chartLables,
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118 String uuid) throws IOException,
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119 TechnicalChartException {
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120 new VerticalCrossSectionChartFactory().createProfileChart(chartLables,
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121 chartStyle, parameters, measurements, dates, outputStream, this
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122 .getChartResult(uuid));
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123 }
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124 */
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125
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126 /**
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127 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
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128 */
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129 @Override
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130 protected Statistics getStatisticsGenerator() {
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131 return new VerticalProfileStatistics();
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132 }
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133
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134 /**
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135 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createCSV(java.io.OutputStream, java.util.Collection)
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136 */
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137 @Override
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138 protected void createCSV(OutputStream outputStream,
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139 Collection<Result> chartResult)
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140 throws UnsupportedEncodingException,
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141 IOException,
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142 StateException {
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143 if (chartResult != null) {
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144 try {
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145 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
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146 outputStream, "ISO-8859-1"), ',');
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147 // USE THIS ENCODING BECAUSE OF
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148 // PROBLEMS WITH EXCEL AND UTF-8
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149 Iterator<Result> it = chartResult.iterator();
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150 WKTReader wktReader = new WKTReader();
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151 while (it.hasNext()) {
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152 Result result = it.next();
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153 int i = 0;
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154 String[] entries = new String[9];
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155 Point p = (Point)wktReader.read(result.getString("SHAPE"));
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156 entries[i++] = ""+p.getX();
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157 entries[i++] = ""+p.getY();
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158 entries[i++] = result.getString("Z");
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159 entries[i++] = result.getString("YORDINATE");
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160 entries[i++] = result.getString("GROUP1");
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161 entries[i++] = result.getString("GROUP2");
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162 entries[i++] = result.getString("IPOSITION");
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163 entries[i++] = result.getString("JPOSITION");
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164 entries[i++] = result.getString("KPOSITION");
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165 writer.writeNext(entries);
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166 }
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167 writer.close();
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168 } catch (ParseException e) {
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169 log.error(e,e);
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170 throw new StateException(
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171 "Exception occured while parsing an Point from WKT.");
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172 }
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173 } else {
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174 log.error("No Data given for generating an CSV-File.");
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175 throw new StateException(
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176 "No Data given for generating an CSV-File.");
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177 }
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178 }
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179
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180 }
http://dive4elements.wald.intevation.org