Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/timeseries/TimeSeriesVectorOutputState.java @ 1115:f953c9a559d8

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Added license file and license headers. gnv-artifacts/trunk@1260 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Nov 2010 17:46:55 +0000
parents 846b2b70b2e0
children
rev   line source
1115
f953c9a559d8 Added license file and license headers.
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1 /*
f953c9a559d8 Added license file and license headers.
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2 * Copyright (c) 2010 by Intevation GmbH
f953c9a559d8 Added license file and license headers.
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3 *
f953c9a559d8 Added license file and license headers.
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4 * This program is free software under the LGPL (>=v2.1)
f953c9a559d8 Added license file and license headers.
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5 * Read the file LGPL.txt coming with the software for details
f953c9a559d8 Added license file and license headers.
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.state.timeseries;
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10
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11 import au.com.bytecode.opencsv.CSVWriter;
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12
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13 import de.intevation.artifacts.CallContext;
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14
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15 import de.intevation.gnv.artifacts.cache.CacheFactory;
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16
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17 import de.intevation.gnv.chart.Chart;
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18 import de.intevation.gnv.chart.ChartLabels;
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19 import de.intevation.gnv.chart.TimeSeriesVectorChart;
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20
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21 import de.intevation.gnv.exports.DefaultExport;
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22 import de.intevation.gnv.exports.DefaultProfile;
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23 import de.intevation.gnv.exports.Export;
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24 import de.intevation.gnv.exports.Export.Profile;
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25 import de.intevation.gnv.exports.SimpleOdvDataCollector;
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26
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27 import de.intevation.gnv.geobackend.base.Result;
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28
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29 import de.intevation.gnv.utils.VectorDataProcessor;
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30
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31 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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32 import de.intevation.gnv.state.exception.StateException;
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33
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34 import de.intevation.gnv.statistics.Statistics;
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35 import de.intevation.gnv.statistics.TimeseriesVectorStatistics;
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36
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37 import java.io.IOException;
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38 import java.io.OutputStream;
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39
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40 import java.util.Collection;
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41 import java.util.Locale;
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42 import java.util.Map;
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43
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44 import net.sf.ehcache.Cache;
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45
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46 import org.apache.log4j.Logger;
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47
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48 import org.jfree.chart.ChartTheme;
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49
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50 /**
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51 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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52 */
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53 public class TimeSeriesVectorOutputState extends TimeSeriesOutputState {
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54
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55 private static Logger logger =
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56 Logger.getLogger(TimeSeriesVectorOutputState.class);
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57
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58 public static final String[] RESULT_COLUMNS = {
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59 "YORDINATE", "XORDINATE", "GROUP1", "GROUP2", "GROUP3", "GAPID", "SERIES"
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60 };
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61
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62 public static final String[] ODV_COLUMN_HEADERS = {
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63 "Cruise",
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64 "Station",
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65 "Type",
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66 "yyyy-mm-dd hh:mm",
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67 "Lon (°E)",
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68 "Lat (°N)",
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69 "Bot. Depth [m]",
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70 "Depth [m]",
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71 "QF",
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72 "XComponent",
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73 "QF",
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74 "YComponent",
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75 "QF",
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76 "ZComponent",
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77 "QF",
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78 "Speed",
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79 "QF",
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80 "Direction",
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81 "QF"
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82 };
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83
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84 public static final String[] ODV_PROFILE_NAMES = {
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85 "CRUISE",
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86 "STATION",
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87 "TYPE",
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88 "TIMEVALUE",
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89 "SHAPE",
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90 "BOTDEPTH",
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91 "DEPTH",
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92 "QF",
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93 "XCOMPONENT",
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94 "QF",
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95 "YCOMPONENT",
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96 "QF",
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97 "ZCOMPONENT",
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98 "QF",
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99 "SPEED",
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100 "QF",
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101 "DIRECTION",
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102 "QF"};
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103
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104 public TimeSeriesVectorOutputState() {
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105 }
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106
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107
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108 @Override
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109 protected Object getChartResult(String uuid, CallContext callContext) {
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110 logger.debug("OutputStateBase.getChartResult");
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111 CacheFactory factory = CacheFactory.getInstance();
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112
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113 if (factory.isInitialized()) {
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114 // we use a cache
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115 logger.info("Using cache.");
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116 Cache cache = factory.getCache();
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117 String key = "chart_" + getHash();
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118
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119 net.sf.ehcache.Element value = cache.get(key);
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120 if (value != null) {
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121 logger.debug("Found element in cache.");
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122 return value.getObjectValue();
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123 }
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124 else {
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125 logger.debug("Element not in cache, we ask the database");
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126 Collection<Result> res = (Collection<Result>)getData(queryID);
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127 res = VectorDataProcessor.process(res, RESULT_COLUMNS);
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128 cache.put(new net.sf.ehcache.Element(key, res));
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129
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130 return res;
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131 }
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132 }
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133 else {
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134 // we don't use a cache, so we have to query the database every
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135 // single time
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136 logger.info("Not using a cache.");
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137 return VectorDataProcessor.process(
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138 getData(queryID), RESULT_COLUMNS);
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139 }
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140 }
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141
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142
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143 @Override
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144 protected Chart getChart(
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145 ChartLabels chartLables,
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146 ChartTheme theme,
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147 Collection parameters,
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148 Collection measurements,
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149 Collection dates,
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150 Object result,
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151 Locale locale,
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152 String uuid,
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153 boolean linesVisible,
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154 boolean shapesVisible,
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155 CallContext callContext
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156 ) {
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157 Chart chart = new TimeSeriesVectorChart(
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158 chartLables,
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159 theme,
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160 parameters,
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161 measurements,
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162 dates,
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163 (Collection)result,
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164 timeGapDefinitions,
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165 locale,
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166 linesVisible,
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167 shapesVisible
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168 );
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169 chart.generateChart();
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170
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171 return chart;
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172 }
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173
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174
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175 @Override
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176 protected Chart[] getHistograms(
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177 String uuid,
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178 CallContext callContext,
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179 Collection<KeyValueDescibeData> parameters,
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180 Collection<KeyValueDescibeData> measurements,
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181 Collection<KeyValueDescibeData> dates,
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182 Map requestParameter
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183 ) {
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184 Collection results = (Collection) getChartResult(uuid, callContext);
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185 ChartTheme theme = createStyle(callContext);
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186
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187 return VectorDataProcessor.getHistograms(
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188 uuid, callContext, results, theme, requestParameter);
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189 }
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190
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191
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192 @Override
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193 protected void createODV(
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194 OutputStream outputStream, Collection result, String uuid)
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195 throws IOException, StateException
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196 {
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197 logger.info("Start exporting " + result.size() + " items to odv.");
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198 Export export = new DefaultExport(
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199 new SimpleOdvDataCollector(ODV_PROFILE_NAMES));
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200
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201 Profile profile = new DefaultProfile(
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202 ODV_COLUMN_HEADERS,
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203 '\t',
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204 CSVWriter.NO_QUOTE_CHARACTER,
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205 CSVWriter.NO_ESCAPE_CHARACTER,
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206 "ODV",
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207 "ISO-8859-1");
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208
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209 export.create(profile, outputStream, result);
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210 }
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211
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212
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213 protected Statistics getStatisticsGenerator() {
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214 return new TimeseriesVectorStatistics();
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215 }
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216 }
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217 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org