Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/MorphologicalWidthParser.java @ 8856:5e38e2924c07 3.2.x

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Fix code style.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:12:01 +0100
parents 4c3ccf2b0304
children 2693bfaf503d 0a5239a1e46e
rev   line source
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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(
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34 DEFAULT_LOCALE);
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35
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36 public static final Pattern META_UNIT =
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37 Pattern.compile("^Einheit: \\[(.*)\\].*");
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38
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39 protected List<ImportMorphWidth> morphWidths;
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40
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41 protected ImportMorphWidth current;
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42
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43
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44 public MorphologicalWidthParser() {
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45 morphWidths = new ArrayList<ImportMorphWidth>();
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46 }
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47
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48
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49 @Override
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50 protected void reset() {
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51 current = new ImportMorphWidth();
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52 }
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53
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54
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55 @Override
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56 protected void finish() {
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57 if (current != null) {
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58 morphWidths.add(current);
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59 }
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60 }
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61
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62
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63 @Override
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64 protected void handleLine(int lineNum, String line) {
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65 if (line.startsWith(START_META_CHAR)) {
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66 handleMetaLine(stripMetaLine(line));
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67 }
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68 else {
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69 handleDataLine(line);
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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 protected void handleMetaLine(String line) {
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75 if (handleMetaUnit(line)) {
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76 return;
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77 }
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78 else {
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79 log.warn("MWP: Unknown meta line: '" + line + "'");
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80 }
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81 }
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82
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83
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84 protected boolean handleMetaUnit(String line) {
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85 Matcher m = META_UNIT.matcher(line);
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86
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87 if (m.matches()) {
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88 String unit = m.group(1);
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89
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90 current.setUnit(new ImportUnit(unit));
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91
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92 return true;
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93 }
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94
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95 return false;
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96 }
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97
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98
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99 protected void handleDataLine(String line) {
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100 String[] vals = line.split(SEPERATOR_CHAR);
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101
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102 if (vals == null || vals.length < 2) {
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103 log.warn("MWP: skip invalid data line: '" + line + "'");
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104 return;
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105 }
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106
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107 try {
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108 BigDecimal km = new BigDecimal(nf.parse(vals[0]).doubleValue());
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109 BigDecimal width = new BigDecimal(nf.parse(vals[1]).doubleValue());
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110
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111 String desc = vals.length > 2 ? vals[2] : null;
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112
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113 current.addValue(new ImportMorphWidthValue(
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114 km,
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115 width,
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116 desc
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117 ));
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118 }
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119 catch (ParseException pe) {
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120 log.warn("MWP: unparseable number in data row: " + line);
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121 }
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122 }
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123
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124
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125 public List<ImportMorphWidth> getMorphologicalWidths() {
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126 return morphWidths;
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127 }
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128 }
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org