Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/sinfo/parsers/DailyDischargeParser.java @ 9012:abe069eb180c

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Import of vegetation zones added
author mschaefer
date Wed, 18 Apr 2018 07:43:55 +0200
parents ae76f618d990
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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