Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/profile/horizontal/HorizontalProfileOutputTransition.java @ 177:08b8b79b30ff

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Integrated special CSV-Export for HorizontalProfiles gnv-artifacts/trunk@221 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Thu, 15 Oct 2009 12:43:46 +0000
parents 7fb9441dd8af
children f2c76f35da5a
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.profile.horizontal;
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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
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13 import org.apache.log4j.Logger;
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14
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15 import au.com.bytecode.opencsv.CSVWriter;
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16
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17 import com.vividsolutions.jts.geom.Point;
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18 import com.vividsolutions.jts.io.ParseException;
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19 import com.vividsolutions.jts.io.WKTReader;
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20
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21 import de.intevation.gnv.chart.ChartLabels;
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22 import de.intevation.gnv.chart.ChartStyle;
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23 import de.intevation.gnv.chart.HorizontalProfileChartFactory;
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24 import de.intevation.gnv.chart.exception.TechnicalChartException;
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25 import de.intevation.gnv.geobackend.base.Result;
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26 import de.intevation.gnv.statistics.HorizontalProfileStatistics;
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27 import de.intevation.gnv.statistics.Statistics;
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28 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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29 import de.intevation.gnv.transition.exception.TransitionException;
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30 import de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition;
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31
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32 /**
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33 * @author Tim Englich <tim.englich@intevation.de>
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34 *
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35 */
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36 public class HorizontalProfileOutputTransition extends
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37 TimeSeriesOutputTransition {
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38 /**
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39 * The UID of this class
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40 */
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41 private static final long serialVersionUID = 4401516087492028840L;
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42
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43 private static Logger log = Logger
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44 .getLogger(HorizontalProfileOutputTransition.class);
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45 /**
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46 * Constructor
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47 */
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48 public HorizontalProfileOutputTransition() {
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49 super();
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50 super.domainLable = "Messungen [m]";
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51 }
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52
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53 /**
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54 * @see de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition#createChart(java.io.OutputStream,
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55 * java.util.Collection, java.util.Collection, java.lang.String,
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56 * de.intevation.gnv.chart.ChartStyle,
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57 * de.intevation.gnv.chart.ChartLabels)
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58 */
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59 @Override
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60 protected void createChart(OutputStream outputStream,
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61 Collection<KeyValueDescibeData> parameters,
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62 Collection<KeyValueDescibeData> measurements,
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63 ChartStyle chartStyle, ChartLabels chartLables,
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64 String uuid) throws IOException,
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65 TechnicalChartException {
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66 HorizontalProfileChartFactory chartFactory = new HorizontalProfileChartFactory();
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67 chartFactory.createProfileChart(chartLables, chartStyle, parameters,
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68 measurements, outputStream, this.getChartResult(uuid));
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69 }
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70
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71 /**
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72 * @see de.intevation.gnv.transition.timeseries.TimeSeriesOutputTransition#getStatisticsGenerator()
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73 */
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74 @Override
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75 protected Statistics getStatisticsGenerator() {
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76 return new HorizontalProfileStatistics();
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77 }
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78
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79 @Override
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80 protected void createCSV(OutputStream outputStream,
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81 Collection<Result> chartResult)
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82 throws UnsupportedEncodingException,
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83 IOException,
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84 TransitionException {
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85
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86 if (chartResult != null) {
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87 try {
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88 CSVWriter writer = new CSVWriter(new OutputStreamWriter(
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89 outputStream, "ISO-8859-1"), ',');
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90 // USE THIS ENCODING BECAUSE OF
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91 // PROBLEMS WITH EXCEL AND UTF-8
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92 Iterator<Result> it = chartResult.iterator();
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93 WKTReader wktReader = new WKTReader();
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94 while (it.hasNext()) {
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95 Result result = it.next();
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96 int i = 0;
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97 String[] entries = new String[6];
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98 Point p = (Point)wktReader.read(result.getString("SHAPE"));
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99 entries[i++] = ""+p.getX();
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100 entries[i++] = ""+p.getY();
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101 entries[i++] = result.getString("YORDINATE");
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102 entries[i++] = result.getString("GROUP1");
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103 entries[i++] = result.getString("GROUP2");
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104 entries[i++] = result.getString("GROUP3");
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105 writer.writeNext(entries);
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106 }
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107 writer.close();
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108 } catch (ParseException e) {
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109 log.error(e,e);
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110 throw new TransitionException(
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111 "Exception occured while parsing an Point from WKT.");
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112 }
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113 } else {
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114 log.error("No Data given for generation an CSV-File.");
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115 throw new TransitionException(
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116 "No Data given for generation an CSV-File.");
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117 }
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118 }
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119
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120
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121
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122 }
http://dive4elements.wald.intevation.org