Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.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 bed9735adf84
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.horizontalcrosssection;
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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 import de.intevation.gnv.chart.Chart;
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20 import de.intevation.gnv.chart.ChartLabels;
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21 import de.intevation.gnv.geobackend.base.Result;
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22 import de.intevation.gnv.state.exception.StateException;
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23 import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
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24 import de.intevation.gnv.statistics.Statistics;
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25
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26 /**
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27 * @author Tim Englich <tim.englich@intevation.de>
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28 *
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29 */
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30 public class HorizontalCrossSectionMeshOutputState
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31 extends TimeSeriesOutputState {
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32
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33 private static Logger log = Logger
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34 .getLogger(HorizontalCrossSectionMeshOutputState.class);
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35
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36 /**
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37 * The UID of this Class
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38 */
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39 private static final long serialVersionUID = 3233620652465061860L;
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40
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41 /**
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42 * Constructor
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43 */
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44 public HorizontalCrossSectionMeshOutputState() {
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45 super();
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46 super.domainLable = "chart.horizontalcrosssection.title.xaxis";
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47 }
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48
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49 @Override
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50 protected Chart getChart(
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51 ChartLabels chartLables,
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52 ChartTheme theme,
335
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53 Collection parameters,
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54 Collection measurements,
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55 Collection dates,
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56 Collection result,
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57 Locale locale,
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58 String uuid,
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59 boolean linesVisible,
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60 boolean shapesVisible
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61 ) {
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62 Chart chart = null;
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63
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64 if (CACHE_CHART) {
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65 log.info("Try to get horizontalcrosssection chart from cache.");
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66 chart = (Chart) getChartFromCache(uuid);
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67 }
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68
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69 if (chart != null)
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70 return chart;
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71
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72 log.info("Chart not in cache yet.");
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73
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74 log.warn("This sort of chart is not implemented yet.");
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75 /* TODO Implement a special chart for this sort of charts.
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76 chart = new HorizontalProfileChart(
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77 chartLables,
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78 chartTheme,
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79 parameters,
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80 measurements,
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81 result,
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82 dates,
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83 locale
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84 );
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85 chart.generateChart();
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86
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87 if (CACHE_CHART) {
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88 log.info("Put chart into cache.");
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89 purifyChart(chart, uuid);
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90 }
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91 */
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92
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93 return chart;
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94 }
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95
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96
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97 /**
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98 * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
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99 */
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100 @Override
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101 protected Statistics getStatisticsGenerator() {
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102 return null; //Statistiken werden nicht f�r diesen Out-Typ unterst�tzt.
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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#createCSV(java.io.OutputStream,
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107 * java.util.Collection)
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108 */
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109 @Override
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110 protected void createCSV(OutputStream outputStream,
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111 Collection<Result> chartResult)
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112 throws UnsupportedEncodingException,
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113 IOException,
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114 StateException {
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115 if (chartResult != null) {
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116 try {
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117 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
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118 outputStream, "ISO-8859-1"), ',');
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119 // USE THIS ENCODING BECAUSE OF
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120 // PROBLEMS WITH EXCEL AND UTF-8
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121 Iterator<Result> it = chartResult.iterator();
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122 while (it.hasNext()) {
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123 Result result = it.next();
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124 int i = 0;
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125 String[] entries = new String[5];
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126 entries[i++] = result.getString("SHAPE");
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127 entries[i++] = result.getString("YORDINATE");
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128 entries[i++] = result.getString("IPOSITION");
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129 entries[i++] = result.getString("JPOSITION");
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130 entries[i++] = result.getString("KPOSITION");
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131 writer.writeNext(entries);
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132 }
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133 writer.close();
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134 } catch (Exception e) {
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135 log.error(e,e);
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136 throw new StateException(
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137 "Exception occured while parsing an Point from WKT.");
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138 }
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139 } else {
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140 log.error("No Data given for generating an CSV-File.");
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141 throw new StateException(
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142 "No Data given for generating an CSV-File.");
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143 }
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144 }
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145
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146 }
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