Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/parsers/MorphologicalWidthParser.java @ 9726:0a5239a1e46e 3.2.x
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author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 02 Mar 2022 10:26:50 +0100 |
parents | 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 |
9726 | 21 import org.apache.logging.log4j.Logger; |
22 import org.apache.logging.log4j.LogManager; | |
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23 |
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24 import org.dive4elements.river.importer.ImportMorphWidth; |
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25 import org.dive4elements.river.importer.ImportMorphWidthValue; |
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26 import org.dive4elements.river.importer.ImportUnit; |
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27 |
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28 |
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29 public class MorphologicalWidthParser extends LineParser { |
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30 |
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31 private static final Logger log = |
9726 | 32 LogManager.getLogger(MorphologicalWidthParser.class); |
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33 |
8856 | 34 public static final NumberFormat nf = NumberFormat.getInstance( |
35 DEFAULT_LOCALE); | |
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36 |
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37 public static final Pattern META_UNIT = |
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38 Pattern.compile("^Einheit: \\[(.*)\\].*"); |
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39 |
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40 protected List<ImportMorphWidth> morphWidths; |
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41 |
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42 protected ImportMorphWidth current; |
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43 |
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44 |
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45 public MorphologicalWidthParser() { |
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46 morphWidths = new ArrayList<ImportMorphWidth>(); |
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47 } |
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48 |
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49 |
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50 @Override |
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51 protected void reset() { |
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52 current = new ImportMorphWidth(); |
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53 } |
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54 |
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55 |
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56 @Override |
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57 protected void finish() { |
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58 if (current != null) { |
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59 morphWidths.add(current); |
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60 } |
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61 } |
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62 |
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63 |
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64 @Override |
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65 protected void handleLine(int lineNum, String line) { |
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66 if (line.startsWith(START_META_CHAR)) { |
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67 handleMetaLine(stripMetaLine(line)); |
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68 } |
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69 else { |
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70 handleDataLine(line); |
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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 handleMetaLine(String line) { |
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76 if (handleMetaUnit(line)) { |
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77 return; |
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78 } |
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79 else { |
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80 log.warn("MWP: Unknown meta line: '" + line + "'"); |
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81 } |
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82 } |
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83 |
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84 |
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85 protected boolean handleMetaUnit(String line) { |
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86 Matcher m = META_UNIT.matcher(line); |
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87 |
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88 if (m.matches()) { |
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89 String unit = m.group(1); |
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90 |
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91 current.setUnit(new ImportUnit(unit)); |
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92 |
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93 return true; |
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94 } |
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95 |
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96 return false; |
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97 } |
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98 |
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99 |
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100 protected void handleDataLine(String line) { |
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101 String[] vals = line.split(SEPERATOR_CHAR); |
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102 |
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103 if (vals == null || vals.length < 2) { |
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104 log.warn("MWP: skip invalid data line: '" + line + "'"); |
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105 return; |
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106 } |
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107 |
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108 try { |
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109 BigDecimal km = new BigDecimal(nf.parse(vals[0]).doubleValue()); |
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110 BigDecimal width = new BigDecimal(nf.parse(vals[1]).doubleValue()); |
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111 |
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112 String desc = vals.length > 2 ? vals[2] : null; |
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113 |
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114 current.addValue(new ImportMorphWidthValue( |
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115 km, |
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116 width, |
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117 desc |
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118 )); |
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119 } |
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120 catch (ParseException pe) { |
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121 log.warn("MWP: unparseable number in data row: " + line); |
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122 } |
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123 } |
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124 |
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125 |
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126 public List<ImportMorphWidth> getMorphologicalWidths() { |
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127 return morphWidths; |
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128 } |
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129 } |
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130 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |