Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/MorphologicalWidthParser.java @ 8989:2693bfaf503d

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Fixed several BigDecimal(double) creations by BigDecimal(String) parsing to avoid unnecessary decimal digits
author mschaefer
date Mon, 09 Apr 2018 09:07:00 +0200
parents 5e38e2924c07
children c43d8c1a4455
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 import java.text.NumberFormat;
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13 import java.util.ArrayList;
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14 import java.util.List;
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15 import java.util.regex.Matcher;
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16 import java.util.regex.Pattern;
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17
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18 import org.apache.log4j.Logger;
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19 import org.dive4elements.river.importer.ImportMorphWidth;
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20 import org.dive4elements.river.importer.ImportMorphWidthValue;
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21 import org.dive4elements.river.importer.ImportUnit;
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22 import org.dive4elements.river.importer.common.AbstractParser;
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23
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24
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25 public class MorphologicalWidthParser extends LineParser {
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26
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27 private static final Logger log =
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28 Logger.getLogger(MorphologicalWidthParser.class);
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29
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30 public static final NumberFormat nf = NumberFormat.getInstance(
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31 DEFAULT_LOCALE);
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32
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33 public static final Pattern META_UNIT =
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34 Pattern.compile("^Einheit: \\[(.*)\\].*");
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35
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36 protected List<ImportMorphWidth> morphWidths;
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37
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38 protected ImportMorphWidth current;
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39
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40
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41 public MorphologicalWidthParser() {
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42 this.morphWidths = new ArrayList<>();
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43 }
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44
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45
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46 @Override
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47 protected void reset() {
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48 this.current = new ImportMorphWidth();
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49 }
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50
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51
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52 @Override
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53 protected void finish() {
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54 if (this.current != null) {
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55 this.morphWidths.add(this.current);
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56 }
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57 }
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58
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59
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60 @Override
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61 protected void handleLine(final int lineNum, final String line) {
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62 if (line.startsWith(START_META_CHAR)) {
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63 handleMetaLine(stripMetaLine(line));
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64 }
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65 else {
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66 handleDataLine(line);
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67 }
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68 }
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69
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70
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71 protected void handleMetaLine(final String line) {
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72 if (handleMetaUnit(line)) {
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73 return;
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74 }
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75 else {
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76 log.warn("MWP: Unknown meta line: '" + line + "'");
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77 }
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78 }
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79
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80
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81 protected boolean handleMetaUnit(final String line) {
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82 final Matcher m = META_UNIT.matcher(line);
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83
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84 if (m.matches()) {
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85 final String unit = m.group(1);
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86
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87 this.current.setUnit(new ImportUnit(unit));
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88
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89 return true;
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90 }
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91
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92 return false;
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93 }
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94
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95
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96 protected void handleDataLine(final String line) {
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97 final String[] vals = line.split(SEPERATOR_CHAR);
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98
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99 if (vals == null || vals.length < 2) {
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100 log.warn("MWP: skip invalid data line: '" + line + "'");
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101 return;
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102 }
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103
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104 try {
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105 final BigDecimal km = AbstractParser.parseDecimal(vals[0]);
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106 final BigDecimal width = AbstractParser.parseDecimal(vals[1]);
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107
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108 final String desc = vals.length > 2 ? vals[2] : null;
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109
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110 this.current.addValue(new ImportMorphWidthValue(
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111 km,
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112 width,
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113 desc
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114 ));
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115 }
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116 catch (final NumberFormatException pe) {
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117 log.warn("MWP: unparseable number in data row: " + line);
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118 }
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119 }
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120
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121
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122 public List<ImportMorphWidth> getMorphologicalWidths() {
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123 return this.morphWidths;
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124 }
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125 }
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126 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org