Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/timeseries/TimeSeriesOutputTransition.java @ 91:bd284d8306db

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Added Support for Patameters in OutputModes gnv-artifacts/trunk@135 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Fri, 25 Sep 2009 14:37:10 +0000
parents 6bdef6e590d6
children 13402ac8d8fe
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.transition.timeseries;
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5
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6 import java.awt.Color;
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7 import java.awt.Dimension;
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8 import java.io.IOException;
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9 import java.io.OutputStream;
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10 import java.io.OutputStreamWriter;
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11 import java.util.Collection;
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12 import java.util.Iterator;
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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 au.com.bytecode.opencsv.CSVWriter;
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17
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18 import de.intevation.gnv.chart.ChartFactory;
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19 import de.intevation.gnv.chart.ChartLabels;
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20 import de.intevation.gnv.chart.ChartStyle;
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21 import de.intevation.gnv.chart.exception.TechnicalChartException;
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22 import de.intevation.gnv.geobackend.base.Result;
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23 import de.intevation.gnv.transition.InputData;
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24 import de.intevation.gnv.transition.OutputTransitionBase;
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25 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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26 import de.intevation.gnv.transition.describedata.NamedCollection;
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27 import de.intevation.gnv.transition.exception.TransitionException;
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28
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29 /**
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30 * @author Tim Englich <tim.englich@intevation.de>
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31 *
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32 */
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33 public class TimeSeriesOutputTransition extends OutputTransitionBase{
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34
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35 /**
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36 * The UID of this Class
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37 */
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38 private static final long serialVersionUID = 4178407570503098858L;
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39
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40 /**
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41 * the logger, used to log exceptions and additonaly information
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42 */
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43 private static Logger log = Logger.getLogger(TimeSeriesOutputTransition.class);
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44
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45 protected String domainLable = "Zeit [UTC]";
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46
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47 /**
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48 * Constructor
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49 */
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50 public TimeSeriesOutputTransition() {
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51 super();
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52 }
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53
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54 /**
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55 * @see de.intevation.gnv.transition.Transition#validate()
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56 */
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57 public boolean validate() {
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58 return true;
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59 }
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60
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61 /**
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62 * @see de.intevation.gnv.transition.OutputTransition#out(java.lang.String, java.util.Collection, java.io.OutputStream)
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63 */
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64 public void out(String outputMode, Collection<InputData> inputData, OutputStream outputStream) throws TransitionException {
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65 log.debug("TimeSeriesOutputTransition.out");
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66 try {
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67 this.advance();
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68 if (outputMode.equalsIgnoreCase("chart")){
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69 log.debug("Chart will be generated.");
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70 int chartWidth = 600;
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71 int chartHeight = 400;
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72 try {
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73 if (inputData != null){
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74 Iterator<InputData> it = inputData.iterator();
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75 while (it.hasNext()){
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76 InputData ip = it.next();
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77 if (ip.getName().equalsIgnoreCase("width")){
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78 chartWidth = Integer.parseInt(ip.getValue());
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79 }else if (ip.getName().equalsIgnoreCase("height")){
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80 chartHeight = Integer.parseInt(ip.getValue());
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81 }
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82 }
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83 }
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84 } catch (NumberFormatException e) {
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85 log.error(e,e);
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86 throw new TransitionException(e);
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87 }
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88 Collection<KeyValueDescibeData> parameters = this.getParameters();
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89 Collection<KeyValueDescibeData> measurements = this.getMeasurements();
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90 ChartStyle chartStyle = this.creatStyle(chartWidth,chartHeight);
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91 ChartLabels chartLables = new ChartLabels(this.getSelectedFeatureName(),this.domainLable);
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92 this.createChart(outputStream, parameters, measurements,
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93 chartStyle, chartLables);
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94 }else if (outputMode.equalsIgnoreCase("csv")){
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95 log.debug("CSV-File will be generated.");
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96 if(this.chartResult != null){
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97 CSVWriter writer = new CSVWriter(new OutputStreamWriter(outputStream,"ISO-8859-1"), ','); // USE THIS ENCODING BECAUSE OF PROBLEMS WITH EXCEL AND UTF-8
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98 Iterator<Result>it = this.chartResult.iterator();
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99 while (it.hasNext()){
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100 Result result = it.next();
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101 int i = 0;
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102 String[] entries = new String[5];
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103 entries[i++] = result.getString("XORDINATE");
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104 entries[i++] = result.getString("YORDINATE");
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105 entries[i++] = result.getString("GROUP1");
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106 entries[i++] = result.getString("GROUP2");
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107 entries[i++] = result.getString("GROUP3");
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108 writer.writeNext(entries);
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109 }
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110 writer.close();
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111 }else{
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112 log.error("No Data given for generation an CSV-File.");
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113 throw new TransitionException("No Data given for generation an CSV-File.");
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114 }
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115 }
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116 } catch (IOException e) {
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117 log.error(e,e);
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118 throw new TransitionException(e);
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119 } catch (TechnicalChartException e) {
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120 log.error(e,e);
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121 throw new TransitionException(e);
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122 }
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123 }
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124
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125
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126 protected String getSelectedFeatureName(){
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127 String collectionName = "featureid"; // TODO: Konfigurierbar machen
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128 Collection<KeyValueDescibeData> values = this.getCollection(collectionName);
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129 if (values != null){
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130 Iterator<KeyValueDescibeData> it = values.iterator();
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131 while(it.hasNext()){
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132 KeyValueDescibeData data = it.next();
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133 if (data.isSelected()){
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134 return data.getValue();
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135 }
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136 }
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137 }
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138 return null;
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139 }
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140 /**
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141 * @param outputStream
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142 * @param parameters
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143 * @param measurements
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144 * @param timeSeriesName
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145 * @param chartStyle
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146 * @param chartLables
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147 * @throws IOException
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148 * @throws TechnicalChartException
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149 */
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150 protected void createChart(OutputStream outputStream,
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151 Collection<KeyValueDescibeData> parameters,
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152 Collection<KeyValueDescibeData> measurements,
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153 ChartStyle chartStyle, ChartLabels chartLables) throws IOException,
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154 TechnicalChartException {
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155 ChartFactory chartFactory = new ChartFactory();
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156 chartFactory.createSimpleTimeSeriesChart(chartLables, chartStyle,
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157 parameters, measurements,
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158 outputStream, this.chartResult);
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159 }
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160
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161 /**
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162 * @see de.intevation.gnv.transition.TransitionBase#purifyResult(java.util.Collection)
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163 */
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164 @Override
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165 protected void purifyResult(Collection<Result> result) {
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166 this.chartResult = result;
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167 }
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168
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169 protected ChartStyle creatStyle(int witdh, int height){
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170 // TODO Konfigurierbar machen
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171 de.intevation.gnv.chart.Insets lInsets = new de.intevation.gnv.chart.Insets(5d, 5d, 5d, 5d);
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172 Dimension lChartSize = new Dimension(witdh, height);
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173 return new ChartStyle(Color.white, new Color(230, 230, 230), Color.white, Color.white, true, true, lInsets, lChartSize);
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174 }
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175
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176 protected Collection<KeyValueDescibeData> getParameters(){
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177 String collectionName = "parameterid"; // TODO: Konfigurierbar machen
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178 return this.getCollection(collectionName);
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179 }
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180
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181 protected Collection<KeyValueDescibeData> getMeasurements(){
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182 String collectionName = "measurementid"; // TODO: Konfigurierbar machen
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183 return this.getCollection(collectionName);
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184 }
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185
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186 /**
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187 * @param collectionName
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188 * @return
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189 */
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190 protected Collection<KeyValueDescibeData> getCollection(
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191 String collectionName) {
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192 Iterator<Object> it = this.descibeData.iterator();
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193 while (it.hasNext()){
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194
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195 Object o = it.next();
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196
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197 if (o instanceof NamedCollection<?>){
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198 NamedCollection<KeyValueDescibeData> nc = (NamedCollection<KeyValueDescibeData>)o;
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199 if (nc.getName().equals(collectionName)){
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200 return nc;
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201 }
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202 }
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203 }
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204 return null;
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205 }
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206 }
http://dive4elements.wald.intevation.org