Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/sinfo/parsers/DailyDischargeParser.java @ 9657:a79881a892c9

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Importer (s/u-info) extensions: depth-evolution: corrected directory name Bezug_aktueller_GlW, detecting and logging of wrong units, then cancelling, various checks of the plausibility of the meta data year values and cancelling in case of errors, detecting and logging missing change values, skipping those lines
author mschaefer
date Mon, 23 Mar 2020 15:26:50 +0100
parents abe069eb180c
children d86c7cb68b41
rev   line source
8971
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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.io.FilenameFilter;
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15 import java.text.DateFormat;
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16 import java.text.SimpleDateFormat;
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17 import java.util.ArrayList;
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18 import java.util.Date;
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19 import java.util.List;
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20 import java.util.regex.Matcher;
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21 import java.util.regex.Pattern;
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22
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23 import org.apache.log4j.Logger;
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24 import org.dive4elements.river.importer.Config;
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25 import org.dive4elements.river.importer.ImportRiver;
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26 import org.dive4elements.river.importer.common.AbstractParser;
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27 import org.dive4elements.river.importer.common.ParsingState;
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28 import org.dive4elements.river.importer.sinfo.importitem.DailyDischargeDayLineImport;
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29 import org.dive4elements.river.importer.sinfo.importitem.DailyDischargeSeriesImport;
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30 import org.dive4elements.river.model.sinfo.DailyDischarge;
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31 import org.dive4elements.river.model.sinfo.DailyDischargeValue;
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32
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33 /**
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34 * Reads and parses a daily discharge file
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35 *
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36 * @author Matthias Schäfer
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37 *
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38 */
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39 public class DailyDischargeParser extends AbstractParser<DailyDischarge, DailyDischargeValue, DailyDischargeDayLineImport, DailyDischargeSeriesImport> {
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40
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41 /***** FIELDS *****/
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42
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43 private static final Logger log = Logger.getLogger(DailyDischargeParser.class);
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44
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45 static final Pattern IMPORT_FILENAME = Pattern.compile("^(.+)_mittlerer_Tagesabfluss.csv", Pattern.CASE_INSENSITIVE);
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46
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47 private static final Pattern META_GAUGENAME = Pattern.compile("^#\\s*Stations-*Name:\\s*(\\S[^;]*).*", Pattern.CASE_INSENSITIVE);
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48
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49 private static final Pattern META_GAUGENUMBER = Pattern.compile("^#\\s*Stations-*Nummer:\\s*(\\S[^;]*).*", Pattern.CASE_INSENSITIVE);
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50
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51 private static final Pattern META_COLUMNTITLES = Pattern.compile("^#*\\s*Datum\\s*;\\s*Q.*", Pattern.CASE_INSENSITIVE);
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52
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53 private static final DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
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54
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55
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56 /***** CONSTRUCTORS *****/
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57
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58 public DailyDischargeParser(final File importPath, final File rootRelativePath, final ImportRiver river) {
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59 super(importPath, rootRelativePath, river);
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60 }
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61
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62
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63 /***** METHODS *****/
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64
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65 @Override
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66 protected Logger getLog() {
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67 return log;
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68 }
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69
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70 /**
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71 * Whether this import type shall be skipped
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72 */
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73 public static boolean shallSkip() {
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74 return Config.INSTANCE.skipSInfoDailyDischarge();
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75 }
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76
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77 /**
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78 * Creates a list of parsers for all daily discharge import files in a directory
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79 */
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80 public static List<DailyDischargeParser> createParsers(final File importDir, final File relativeDir, final ImportRiver river) {
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81 final List<DailyDischargeParser> parsers = new ArrayList<>();
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82 if (importDir.exists()) {
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83 final File[] files = importDir.listFiles(new FilenameFilter() {
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84 @Override
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85 public boolean accept(final File dir, final String name) {
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86 return IMPORT_FILENAME.matcher(name).matches();
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87 }
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88 });
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89 for (final File file : files)
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90 parsers.add(new DailyDischargeParser(file, new File(relativeDir, file.getName()), river));
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91 }
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92 return parsers;
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93 }
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94
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95 @Override
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96 protected KmMode kmMode() {
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97 return KmMode.NONE;
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98 }
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99
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100 @Override
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101 protected DailyDischargeSeriesImport createSeriesImport(final String filename) {
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102 return new DailyDischargeSeriesImport(filename);
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103 }
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104
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105 @Override
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106 protected DailyDischargeDayLineImport createKmLineImport(final Double km, final String[] values) {
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107 Date day = null;
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108 try {
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109 day = dateFormat.parse(values[0]);
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110 }
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111 catch (final Exception e) {
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112 logError("Invalid date in line " + this.in.getLineNumber());
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113 return null;
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114 }
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115 if (parseDoubleWithNull(values[1]) == null) {
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116 logError("Invalid discharge value in line " + this.in.getLineNumber());
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117 return null;
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118 }
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119 return new DailyDischargeDayLineImport(day, Double.valueOf(parseDoubleWithNull(values[1]).doubleValue()));
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120 }
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121
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122 @Override
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123 protected boolean handleMetaOther() {
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124 if (handleMetaGaugeName())
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125 return true;
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126 else if (handleMetaGaugeNumber())
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127 return true;
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128 else
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129 return false;
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130 }
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131
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132 private boolean handleMetaGaugeName() {
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133 final Matcher m = META_GAUGENAME.matcher(this.currentLine);
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134 if (m.matches()) {
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135 this.metaPatternsMatched.add(META_GAUGENAME);
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136 this.seriesHeader.setGaugeName(m.group(1).trim());
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137 return true;
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138 }
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139 return false;
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140 }
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141
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142 private boolean handleMetaGaugeNumber() {
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143 final Matcher m = META_GAUGENUMBER.matcher(this.currentLine);
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144 if (m.matches()) {
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145 this.metaPatternsMatched.add(META_GAUGENUMBER);
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146 this.seriesHeader.setGaugeNumber(Long.parseLong(m.group(1)));
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147 return true;
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148 }
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149 return false;
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150 }
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151
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152 @Override
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153 protected boolean handleMetaColumnTitles() {
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154 if (!META_COLUMNTITLES.matcher(this.currentLine).matches())
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155 return false;
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156 this.metaPatternsMatched.add(META_COLUMNTITLES);
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157 this.columnTitles.clear();
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158 final String[] titles = this.currentLine.split(SEPARATOR_CHAR, 0);
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159 for (int i = 0; i <= titles.length - 1; i++)
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160 this.columnTitles.add(titles[i].trim());
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161 this.seriesHeader.setGauge(this.river.getPeer().findGauge(this.seriesHeader.getGaugeNumber(), this.seriesHeader.getGaugeName()));
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162 if (this.seriesHeader.getGauge() == null) {
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163 logError("Gauge not found, file skipped");
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164 this.headerParsingState = ParsingState.STOP;
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165 }
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166 return true;
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167 }
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168 }
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