Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/MeasurementStationsParser.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 8fbc0649da13
children c43d8c1a4455
rev   line source
5844
4dd33b86dc61 Added header to river backend.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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7 */
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8
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Sascha L. Teichmann <teichmann@intevation.de>
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9 package org.dive4elements.river.importer.parsers;
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10
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11 import java.text.ParseException;
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12 import java.util.ArrayList;
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13 import java.util.Date;
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14 import java.util.List;
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15
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16 import org.apache.log4j.Logger;
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17 import org.dive4elements.river.importer.ImportMeasurementStation;
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18 import org.dive4elements.river.importer.ImportRange;
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19 import org.dive4elements.river.importer.ImportTimeInterval;
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mschaefer
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20 import org.dive4elements.river.importer.common.AbstractParser;
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21 import org.dive4elements.river.model.MeasurementStation;
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22
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23
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24 public class MeasurementStationsParser extends LineParser {
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25
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26 public static class MeasurementStationParserException extends Exception {
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27
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28 private static final long serialVersionUID = 1L;
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29
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30 public MeasurementStationParserException(final String msg) {
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31 super(msg);
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32 }
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33 }
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34
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35 public static final int MIN_COLUMNS = 9;
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36
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37 public static final int MAX_COMMENT_LENGTH = 512;
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38
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39 private static final Logger log = Logger
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40 .getLogger(MeasurementStationsParser.class);
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41
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42 private List<ImportMeasurementStation> measurementStations;
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43 private ImportMeasurementStation current;
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44
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45 @Override
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46 protected void reset() {
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47 this.measurementStations = new ArrayList<>();
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48 }
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49
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50 @Override
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51 protected void finish() {
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52 }
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53
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54 @Override
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55 protected void handleLine(final int lineNum, final String line) {
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56 if (line == null || line.startsWith(START_META_CHAR)) {
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57 log.info("skip meta information at line " + lineNum);
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58 return;
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59 }
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60
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61 try {
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62 this.current = new ImportMeasurementStation();
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63 handleDataLine(lineNum, line);
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64 this.measurementStations.add(this.current);
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65 }
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66 catch (final MeasurementStationParserException e) {
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67 log.warn("Problem in line " + lineNum + ": " + e.getMessage());
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68 }
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69 }
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70
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71 public List<ImportMeasurementStation> getMeasurementStations() {
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72 return this.measurementStations;
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73 }
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74
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75 protected void handleDataLine(final int lineNum, final String line)
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76 throws MeasurementStationParserException {
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77 final String[] cols = line.split(SEPERATOR_CHAR);
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78
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79 if (cols == null || cols.length < MIN_COLUMNS) {
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80 final int num = cols != null ? cols.length : 0;
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81 throw new MeasurementStationParserException("Not enough columns: "
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82 + num);
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83 }
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84
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85 this.current.name = getName(cols, lineNum);
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86 this.current.range = getRange(cols, lineNum);
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87 this.current.measurementType = getMeasurementType(cols, lineNum);
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88 this.current.riverside = getRiverside(cols, lineNum);
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89 this.current.gauge = getGauge(cols, lineNum);
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90 this.current.observationTimerange = getObservationTimerange(cols, lineNum);
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91 this.current.operator = getOperator(cols, lineNum);
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92 this.current.comment = getComment(cols, lineNum);
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93 }
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94
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95 protected String getName(final String[] cols, final int lineNum)
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96 throws MeasurementStationParserException {
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97 if (cols[0] == null || cols[0].length() == 0) {
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98 throw new MeasurementStationParserException("invalid name in line "
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99 + lineNum);
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100 }
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101
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102 return cols[0];
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103 }
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104
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105 protected ImportRange getRange(final String[] cols, final int lineNum) {
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106 final String from = cols[1];
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107 final String to = cols[4];
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108 if (from == null || from.length() == 0) {
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109 log.error("No station found in line" + lineNum);
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110 return null;
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111 }
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112
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113 try {
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114 if (to == null || to.length() == 0) {
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115 log.warn("No end km found in line " + lineNum);
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116 return new ImportRange(AbstractParser.parseDecimal(from));
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117 }
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118
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119 try {
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120 return new ImportRange(AbstractParser.parseDecimal(from), AbstractParser.parseDecimal(to));
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121 }
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122 catch (final NumberFormatException e) {
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123 log.warn("Unparseable end km in line " + lineNum +
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124 ". Error: " + e.getMessage());
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125 return new ImportRange(AbstractParser.parseDecimal(from));
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126 }
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127
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128 }
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129 catch (final NumberFormatException e) {
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130 log.error("Unparseable station in line " + lineNum +
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131 ". Error: " + e.getMessage());
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132 return null;
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133 }
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134 }
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135
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136 protected String getMeasurementType(final String[] cols, final int lineNum)
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137 throws MeasurementStationParserException {
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138 final String mtype = cols[2].trim();
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139 if (!(MeasurementStation.MEASUREMENT_TYPE_BEDLOAD.equals(mtype) ||
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140 MeasurementStation.MEASUREMENT_TYPE_SUSP.equals(mtype))) {
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141 throw new MeasurementStationParserException(
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142 "invalid measurement type in line " + lineNum);
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143 }
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144
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145 return mtype;
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146 }
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147
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148 protected String getRiverside(final String[] cols, final int lineNum) {
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149 final String col = cols[3];
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150 if (col == null || col.length() == 0) {
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151 log.warn("No river side given in line " + lineNum);
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152 }
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153 return col;
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154 }
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155
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156 protected String getGauge(final String[] cols, final int lineNum) {
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157 final String col = cols[5];
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158 if (col == null || col.length() == 0) {
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159 log.warn("Invalid gauge found in line " + lineNum);
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160 }
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161 return col;
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162 }
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163
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164 protected ImportTimeInterval getObservationTimerange(
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165 final String[] cols,
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166 final int lineNum
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167 ) {
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168 final String col = cols[7];
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169 if (col == null || col.length() == 0) {
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170 log.warn("Observation time invalid in line " + lineNum);
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171 return null;
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172 }
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173
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174 try {
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175 final Date date = getDate(col);
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176
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177 if (date != null) {
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178 return new ImportTimeInterval(date);
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179 }
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180 log.warn("Observation time invalid in line " + lineNum);
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181 }
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182 catch (final ParseException pe) {
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183 log.warn("Unparseable observation time '" + col +
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184 "' in line " + lineNum);
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185 }
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186 return null;
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187 }
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188
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189 protected String getOperator(final String[] cols, final int lineNum) {
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190 final String col = cols[8];
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191 if (col == null || col.length() == 0) {
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192 log.warn("No operator given in line " + lineNum);
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193 }
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194 return col;
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195 }
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196
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197 protected String getComment(final String[] cols, final int lineNum) {
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198 if (cols.length > MIN_COLUMNS) {
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199 final String col = cols[9];
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200 if (col.length() > MAX_COMMENT_LENGTH) {
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201 log.warn("Comment in line " + lineNum +
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202 " longer than allowed " + MAX_COMMENT_LENGTH +
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203 " characters. Truncated.");
8412
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204 return col.substring(0, MAX_COMMENT_LENGTH);
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205 }
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206 return col;
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diff changeset
207 }
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208 return null;
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209 }
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210 }
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