Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/exports/SimpleOdvDataCollector.java @ 771:a0e63136954e

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Added and repaired javadoc in de.intevation.gnv.exports package. gnv-artifacts/trunk@827 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 25 Mar 2010 09:01:14 +0000
parents e964a3d8f7bc
children 9a828e5a2390
rev   line source
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1 package de.intevation.gnv.exports;
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2
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3 import java.util.Date;
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4 import java.text.DateFormat;
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5 import java.text.SimpleDateFormat;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import com.vividsolutions.jts.io.ParseException;
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10 import com.vividsolutions.jts.geom.Point;
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11
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12 import de.intevation.gnv.geobackend.base.Result;
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13 import de.intevation.gnv.state.exception.StateException;
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14
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15 /**
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16 * This class is a specialization of {@link ShapeDataCollector} and turns
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17 * furthermore a given datetime string into a specific format.
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18 *
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19 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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20 */
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21 public class SimpleOdvDataCollector
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22 extends ShapeDataCollector
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23 {
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24 /**
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25 * Logger used for logging with log4j.
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26 */
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27 private static Logger log = Logger.getLogger(SimpleOdvDataCollector.class);
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28
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29 /**
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30 * Constant field which defines the source format of a given datetime.
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31 */
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32 public static final String SRC_FORMAT = "yyyy.MM.dd HH:mm:ss";
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34 /**
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35 * Constant field which defines the target format of a given datetime.
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36 */
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37 public static final String DEST_FORMAT = "yyyy-MM-dd HH:mm";
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38
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39 /**
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40 * Source format.
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41 */
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42 public static DateFormat srcFormat = new SimpleDateFormat(SRC_FORMAT);
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44 /**
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45 * Target format.
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46 */
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47 public static DateFormat destFormat = new SimpleDateFormat(DEST_FORMAT);
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48
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49 /**
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50 * Constructor
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51 *
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52 * @param names See {@link #names}
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53 */
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54 public SimpleOdvDataCollector(String[] names) {
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55 super(names);
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56 }
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57
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58 /**
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59 * Given datetime values which corresponds to the attribute key 'TIMEVALUE'
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60 * are transformed from {@link #SRC_FORMAT} into {@link #DEST_FORMAT}.
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61 *
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62 * @see de.intevation.gnv.exports.Export.DataCollector#getData(Result)
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63 */
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64 public String[] getData(Result result)
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65 throws StateException
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66 {
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67 if (rd == null)
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68 init(result);
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69
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70 try {
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71 String [] entries = new String[names.length+1];
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72 int j = 0;
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73 for (int i = 0; i < names.length; i++) {
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74
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75 if (names[i].equals("SHAPE")) {
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76 Point p = (Point)wktReader.read(result.getString("SHAPE"));
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77
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78 entries[j++] = ""+p.getX();
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79 entries[j++] = ""+p.getY();
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80 }
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81 // Change the datetime format from yyyy.MM.dd HH:mm:ss to
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82 // yyyy-MM-dd HH:mm
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83 else if (names[i].equals("TIMEVALUE")) {
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84 Date source = srcFormat.parse(result.getString(names[i]));
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85 entries[j++] = destFormat.format(source);
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86 }
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87 else {
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88 entries[j++] = result.getString(names[i]);
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89 }
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90 }
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91
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92 return entries;
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93 }
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94 catch (ParseException pe) {
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95 log.error(pe, pe);
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96 throw new StateException(
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97 "Error occured while parsing source data.");
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98 }
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99 catch (java.text.ParseException pe) {
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100 log.error(pe, pe);
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101 throw new StateException(
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102 "Error occured while parsing source data.");
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103 }
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104 }
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105 }
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106 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org