Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/parsers/MorphologicalWidthParser.java @ 6285:f55a99fe5ce3
Whitespace correction and cminor ruft code removal.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Wed, 12 Jun 2013 10:43:30 +0200 |
parents | 4c3ccf2b0304 |
children | 5e38e2924c07 |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.importer.parsers; |
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10 |
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11 import java.math.BigDecimal; |
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12 |
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13 import java.text.NumberFormat; |
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14 import java.text.ParseException; |
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15 |
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16 import java.util.ArrayList; |
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17 import java.util.List; |
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18 import java.util.regex.Matcher; |
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19 import java.util.regex.Pattern; |
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20 |
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21 import org.apache.log4j.Logger; |
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22 |
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23 import org.dive4elements.river.importer.ImportMorphWidth; |
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24 import org.dive4elements.river.importer.ImportMorphWidthValue; |
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25 import org.dive4elements.river.importer.ImportUnit; |
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26 |
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27 |
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28 public class MorphologicalWidthParser extends LineParser { |
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29 |
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30 private static final Logger log = |
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31 Logger.getLogger(MorphologicalWidthParser.class); |
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32 |
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33 public static final NumberFormat nf = NumberFormat.getInstance(DEFAULT_LOCALE); |
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34 |
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35 public static final Pattern META_UNIT = |
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36 Pattern.compile("^Einheit: \\[(.*)\\].*"); |
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37 |
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38 protected List<ImportMorphWidth> morphWidths; |
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39 |
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40 protected ImportMorphWidth current; |
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41 |
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42 |
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43 public MorphologicalWidthParser() { |
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44 morphWidths = new ArrayList<ImportMorphWidth>(); |
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45 } |
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46 |
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47 |
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48 @Override |
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49 protected void reset() { |
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50 current = new ImportMorphWidth(); |
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51 } |
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52 |
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53 |
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54 @Override |
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55 protected void finish() { |
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56 if (current != null) { |
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57 morphWidths.add(current); |
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58 } |
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59 } |
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60 |
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61 |
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62 @Override |
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63 protected void handleLine(int lineNum, String line) { |
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64 if (line.startsWith(START_META_CHAR)) { |
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65 handleMetaLine(stripMetaLine(line)); |
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66 } |
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67 else { |
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68 handleDataLine(line); |
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69 } |
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70 } |
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71 |
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72 |
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73 protected void handleMetaLine(String line) { |
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74 if (handleMetaUnit(line)) { |
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75 return; |
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76 } |
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77 else { |
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78 log.warn("MWP: Unknown meta line: '" + line + "'"); |
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79 } |
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80 } |
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81 |
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82 |
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83 protected boolean handleMetaUnit(String line) { |
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84 Matcher m = META_UNIT.matcher(line); |
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85 |
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86 if (m.matches()) { |
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87 String unit = m.group(1); |
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88 |
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89 current.setUnit(new ImportUnit(unit)); |
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90 |
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91 return true; |
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92 } |
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93 |
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94 return false; |
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95 } |
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96 |
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97 |
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98 protected void handleDataLine(String line) { |
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99 String[] vals = line.split(SEPERATOR_CHAR); |
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100 |
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101 if (vals == null || vals.length < 2) { |
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102 log.warn("MWP: skip invalid data line: '" + line + "'"); |
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103 return; |
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104 } |
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105 |
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106 try { |
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107 BigDecimal km = new BigDecimal(nf.parse(vals[0]).doubleValue()); |
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108 BigDecimal width = new BigDecimal(nf.parse(vals[1]).doubleValue()); |
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109 |
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110 String desc = vals.length > 2 ? vals[2] : null; |
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111 |
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112 current.addValue(new ImportMorphWidthValue( |
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113 km, |
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114 width, |
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115 desc |
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116 )); |
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117 } |
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118 catch (ParseException pe) { |
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119 log.warn("MWP: unparseable number in data row: " + line); |
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120 } |
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121 } |
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122 |
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123 |
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124 public List<ImportMorphWidth> getMorphologicalWidths() { |
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125 return morphWidths; |
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126 } |
0a536eb5d668
Added parser for parsing morphological widths.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
127 } |
0a536eb5d668
Added parser for parsing morphological widths.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |