Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ComputedDischargeCurveExporter.java @ 416:340dc41a7ea3

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The CSV exports will now have headers. flys-artifacts/trunk@1880 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 10 May 2011 13:18:03 +0000
parents b9175ddea49b
children e0fec407a280
rev   line source
392
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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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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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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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 ComputedDischargeCurveExporter 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 =
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27 Logger.getLogger(ComputedDischargeCurveExporter.class);
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28
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29 public static final String CSV_W_HEADER =
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30 "export.computed.discharge.curve.csv.header.w";
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31
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32 public static final String CSV_Q_HEADER =
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33 "export.computed.discharge.curve.csv.header.q";
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34
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35 public static final String DEFAULT_CSV_W_HEADER = "W [NN + m]";
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36 public static final String DEFAULT_CSV_Q_HEADER = "Q [m³/s]";
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39 protected List<WQKms> data;
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42 public void init(Document request, OutputStream out, CallContext context) {
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43 logger.debug("ComputedDischargeCurveExporter.init");
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45 super.init(request, out, context);
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47 this.data = new ArrayList<WQKms>();
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48 }
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51 protected void addData(Artifact artifact) {
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52 WINFOArtifact winfoArtifact = (WINFOArtifact) artifact;
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53 data.add(winfoArtifact.getComputedDischargeCurveData());
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54 }
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57 protected void writeCSVData(CSVWriter writer) {
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58 logger.info("ComputedDischargeCurveExporter.writeData");
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59
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60 writeCSVHeader(writer);
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61
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62 double[] res = new double[3];
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64 for (WQKms wqkms: data) {
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65 int size = wqkms.size();
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66
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67 for (int i = 0; i < size; i++) {
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68 res = wqkms.get(i, res);
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70 writer.writeNext(new String[] {
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71 Double.toString(res[0]),
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72 Double.toString(res[1])
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73 });
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74 }
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75 }
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76 }
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78
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79 protected void writeCSVHeader(CSVWriter writer) {
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80 logger.debug("ComputedDischargeCurveExporter.writeCSVHeader");
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81
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82 writer.writeNext(new String[] {
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83 msg(CSV_W_HEADER, DEFAULT_CSV_W_HEADER),
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84 msg(CSV_Q_HEADER, DEFAULT_CSV_Q_HEADER)
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85 });
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86 }
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87 }
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org