Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/sinfo/parsers/CollisionParser.java @ 9578:3dfcb6e1c4d6

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Use of SessionHolder replaced by ImporterSession if query executed in the importer
author mschaefer
date Tue, 11 Dec 2018 14:40:36 +0100
parents abe069eb180c
children 67a42c9c46a7
rev   line source
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1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10
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11 package org.dive4elements.river.importer.sinfo.parsers;
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12
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13 import java.io.File;
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14 import java.text.DateFormat;
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15 import java.text.SimpleDateFormat;
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16 import java.util.ArrayList;
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17 import java.util.Date;
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18 import java.util.EnumMap;
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19 import java.util.HashMap;
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20 import java.util.List;
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21 import java.util.regex.Matcher;
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22 import java.util.regex.Pattern;
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23
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24 import org.apache.log4j.Logger;
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25 import org.dive4elements.river.importer.Config;
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26 import org.dive4elements.river.importer.ImportRiver;
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27 import org.dive4elements.river.importer.ImporterSession;
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28 import org.dive4elements.river.importer.common.AbstractParser;
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29 import org.dive4elements.river.importer.common.ParsingState;
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30 import org.dive4elements.river.importer.sinfo.importitem.CollisionKmLineImport;
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31 import org.dive4elements.river.importer.sinfo.importitem.CollisionSeriesImport;
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32 import org.dive4elements.river.importer.sinfo.importitem.CollisionTypeImport;
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33 import org.dive4elements.river.model.sinfo.Collision;
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34 import org.dive4elements.river.model.sinfo.CollisionType;
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35 import org.dive4elements.river.model.sinfo.CollisionValue;
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36
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37 /**
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38 * Reads and parses a collision file
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39 *
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40 * @author Matthias Schäfer
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41 *
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42 */
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43 public class CollisionParser extends AbstractParser<Collision, CollisionValue, CollisionKmLineImport, CollisionSeriesImport> {
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44
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45 /***** FIELDS *****/
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46
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47 private static final Logger log = Logger.getLogger(CollisionParser.class);
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48
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49 private static final Pattern META_YEAR = Pattern.compile("^#\\sJahr:\\s*([12]\\d\\d\\d).*", Pattern.CASE_INSENSITIVE);
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50
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51 private enum ColTitlePattern {
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52 DATE("Datum.*"), //
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53 GAUGE_W("Pegelstand\\s*\\[(.*)\\].*"), //
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54 GAUGE_NAME("Bezugspegel.*"), //
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55 TYPE("Unfallart.*");
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56
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57 private final Pattern pattern;
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58
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59 ColTitlePattern(final String regexp) {
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60 this.pattern = Pattern.compile(regexp, Pattern.CASE_INSENSITIVE);
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61 }
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62
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63 public Pattern getPattern() {
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64 return this.pattern;
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65 }
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66 }
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67
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68 private static final DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
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69
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70 private final EnumMap<ColTitlePattern, Integer> cols = new EnumMap<>(ColTitlePattern.class);
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71
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72 private final HashMap<String, CollisionTypeImport> types;
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73
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74
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75 /***** CONSTRUCTORS *****/
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76
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77 public CollisionParser(final File importPath, final File rootRelativePath, final ImportRiver river) {
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78 super(importPath, rootRelativePath, river);
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79 this.types = new HashMap<>();
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80 for (final CollisionType type : CollisionType.getTypes(ImporterSession.getInstance().getDatabaseSession()))
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81 this.types.put(type.getName().trim().toLowerCase(), new CollisionTypeImport(type.getName()));
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82 }
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83
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84
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85 /***** METHODS *****/
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86
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87 @Override
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88 protected Logger getLog() {
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89 return log;
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90 }
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91
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92 /**
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93 * Whether this import type shall be skipped
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94 */
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95 public static boolean shallSkip() {
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96 return Config.INSTANCE.skipSInfoCollision();
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97 }
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98
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99 /**
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100 * Creates a list of parsers for all collision import files in a directory
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101 */
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102 public static List<CollisionParser> createParsers(final File importDir, final File relativeDir, final ImportRiver river) {
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103 final List<CollisionParser> parsers = new ArrayList<>();
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104 if (importDir.exists()) {
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105 for (final File file : listFiles(importDir, ".csv"))
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106 parsers.add(new CollisionParser(file, new File(relativeDir, file.getName()), river));
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107 }
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108 return parsers;
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109 }
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110
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111 @Override
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112 protected CollisionSeriesImport createSeriesImport(final String filename) {
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113 return new CollisionSeriesImport(filename);
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114 }
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115
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116 @Override
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117 protected KmMode kmMode() {
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118 return KmMode.DUPLICATES;
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119 }
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120
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121 @Override
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122 protected boolean handleMetaOther() {
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123 if (handleMetaYear())
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124 return true;
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125 else
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126 return false;
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127 }
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128
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129 private boolean handleMetaYear() {
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130 final Matcher m = META_YEAR.matcher(this.currentLine);
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131 if (m.matches()) {
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132 this.metaPatternsMatched.add(META_YEAR);
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133 this.seriesHeader.setYear(Integer.parseInt(m.group(1)));
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134 return true;
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135 }
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136 return false;
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137 }
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138
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139 @Override
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140 protected boolean handleMetaColumnTitles() {
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141 if (!super.handleMetaColumnTitles())
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142 return false;
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143 for (final ColTitlePattern col : ColTitlePattern.values())
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144 this.cols.put(col, -1);
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145 for (int i = 1; i <= this.columnTitles.size() - 1; i++) {
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146 for (final ColTitlePattern col : ColTitlePattern.values()) {
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147 if (col.getPattern().matcher(this.columnTitles.get(i)).matches()) {
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148 this.cols.put(col, i);
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149 break;
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150 }
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151 }
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152 }
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153 if (this.cols.get(ColTitlePattern.DATE) < 0)
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154 logWarning("Column of the event dates could not be identified, missing column title 'Datum'");
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155 if (this.cols.get(ColTitlePattern.TYPE) < 0) {
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156 logError("Column of the collision types could not be identified, missing column title 'Unfallart'");
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157 this.headerParsingState = ParsingState.STOP;
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158 return false;
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159 }
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160 if (!this.metaPatternsMatched.contains(META_YEAR)) {
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161 logError("Required meta info for the year is missing");
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162 this.headerParsingState = ParsingState.STOP;
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163 }
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164 return true;
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165 }
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166
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167 @Override
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168 protected CollisionKmLineImport createKmLineImport(final Double km, final String[] values) {
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169 Date eventDate = null;
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170 try {
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171 eventDate = dateFormat.parse(values[this.cols.get(ColTitlePattern.DATE)]);
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172 }
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173 catch (final Exception e) {
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174 logError("Invalid date in line " + this.in.getLineNumber());
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175 return null;
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176 }
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177 final String typeName = values[this.cols.get(ColTitlePattern.TYPE)].trim();
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178 final String typeKey = typeName.toLowerCase();
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179 CollisionTypeImport type = null;
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180 if (this.types.containsKey(typeKey))
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181 type = this.types.get(typeKey);
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182 else {
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183 type = new CollisionTypeImport(typeName);
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184 this.types.put(typeKey, type);
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185 }
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186 String gaugeName = null;
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187 if (this.cols.get(ColTitlePattern.GAUGE_NAME) >= 0)
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188 gaugeName = values[this.cols.get(ColTitlePattern.GAUGE_NAME)].trim();
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189 double gaugeW = Double.NaN;
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190 if (this.cols.get(ColTitlePattern.GAUGE_W) >= 0)
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191 gaugeW = parseDoubleWithNull(values[this.cols.get(ColTitlePattern.GAUGE_W)]).doubleValue();
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192 return new CollisionKmLineImport(km, type, eventDate, gaugeName, gaugeW);
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193 }
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194 }
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