Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/WaterlevelExporter.java @ 394:b9175ddea49b
Filled the discharge curve exporter (CSV) with code - now, it generates a CSV export with the computed discharge curve data.
flys-artifacts/trunk@1820 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 04 May 2011 10:10:11 +0000 |
parents | 5d6988836f01 |
children | 340dc41a7ea3 |
rev | line source |
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1 package de.intevation.flys.exports; |
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2 |
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3 import java.io.OutputStream; |
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4 import java.util.ArrayList; |
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5 import java.util.List; |
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6 |
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7 import org.w3c.dom.Document; |
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8 |
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9 import org.apache.log4j.Logger; |
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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.Artifact; |
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14 import de.intevation.artifacts.CallContext; |
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15 |
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16 import de.intevation.flys.artifacts.WINFOArtifact; |
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17 import de.intevation.flys.artifacts.model.WQKms; |
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18 |
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19 |
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20 /** |
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21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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22 */ |
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23 public class WaterlevelExporter extends AbstractExporter { |
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24 |
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25 /** The logger used in this exporter.*/ |
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26 private static Logger logger = Logger.getLogger(WaterlevelExporter.class); |
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27 |
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28 |
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29 /** The storage that contains all WQKms objects for the different facets.*/ |
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30 protected List<WQKms[]> data; |
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31 |
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32 |
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33 public void init(Document request, OutputStream out, CallContext context) { |
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34 logger.debug("WaterlevelExporter.init"); |
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35 |
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36 super.init(request, out, context); |
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37 |
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38 this.data = new ArrayList<WQKms[]>(); |
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39 } |
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40 |
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41 |
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42 protected void addData(Artifact artifact) { |
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43 data.add(getWaterlevelData(artifact)); |
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44 } |
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45 |
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46 |
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47 /** |
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48 * Returns the waterlevel data computed by the WINFOArtifact. |
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49 * |
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50 * @param artifact The WINFOArtifact. |
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51 * |
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52 * @return the computed waterlevel data. |
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53 */ |
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54 protected WQKms[] getWaterlevelData(Artifact artifact) { |
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55 WINFOArtifact winfoArtifact = (WINFOArtifact) artifact; |
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56 WQKms[] wqkms = winfoArtifact.getWaterlevelData(); |
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57 |
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58 logger.debug("Got " + wqkms.length + " WQKms objects."); |
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59 |
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60 return wqkms; |
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61 } |
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62 |
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63 |
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64 protected void writeCSVData(CSVWriter writer) { |
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65 logger.info("WaterlevelExporter.writeData"); |
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66 |
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67 for (WQKms[] tmp: data) { |
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68 for (WQKms wqkms: tmp) { |
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69 wQKms2CSV(writer, wqkms); |
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70 } |
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71 } |
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72 } |
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73 |
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74 |
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75 protected void wQKms2CSV(CSVWriter writer, WQKms wqkms) { |
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76 logger.debug("WaterlevelExporter.wQKms2CSV"); |
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77 |
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78 int size = wqkms.size(); |
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79 double[] result = new double[3]; |
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80 |
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81 for (int i = 0; i < size; i ++) { |
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82 result = wqkms.get(i, result); |
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83 |
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84 writer.writeNext(new String[] { |
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85 Double.toString(result[2]), |
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86 Double.toString(result[0]), |
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87 Double.toString(result[1]) |
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88 }); |
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89 } |
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90 } |
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91 } |
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92 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |