Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/sinfo/parsers/ChannelParser.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 3b3c7513472e
children
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.util.ArrayList;
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15 import java.util.List;
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16 import java.util.regex.Matcher;
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17 import java.util.regex.Pattern;
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18
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19 import org.apache.log4j.Logger;
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20 import org.dive4elements.river.importer.Config;
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21 import org.dive4elements.river.importer.ImportRiver;
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22 import org.dive4elements.river.importer.common.AbstractParser;
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23 import org.dive4elements.river.importer.common.ParsingState;
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24 import org.dive4elements.river.importer.sinfo.importitem.ChannelKmLineImport;
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25 import org.dive4elements.river.importer.sinfo.importitem.ChannelSeriesImport;
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26 import org.dive4elements.river.model.sinfo.Channel;
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27 import org.dive4elements.river.model.sinfo.ChannelValue;
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28
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29 /**
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30 * Reads and parses a channel size file
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31 *
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32 * @author Matthias Schäfer
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33 *
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34 */
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35 public class ChannelParser extends AbstractParser<Channel, ChannelValue, ChannelKmLineImport, ChannelSeriesImport> {
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36
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37 /***** FIELDS *****/
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38
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39 private static final Logger log = Logger.getLogger(ChannelParser.class);
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40
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41 private static final Pattern IMPORT_FILENAME = Pattern.compile("Fahrrinne.*\\.csv", Pattern.CASE_INSENSITIVE);
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42
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43 private static final Pattern META_FIRST = Pattern.compile("^#\\sFahrrinne.*", Pattern.CASE_INSENSITIVE);
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44
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45 private static final Pattern META_YEARS = Pattern.compile("^#\\sZeitraum:\\s*([12]\\d\\d\\d)*\\s*-\\s*([12]\\d\\d\\d)*.*", Pattern.CASE_INSENSITIVE);
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46
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47 private static final Pattern WIDTH_COLUMNTITLE = Pattern.compile("Sollbreite\\s*\\[(.*)\\].*", Pattern.CASE_INSENSITIVE);
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48
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49 private static final Pattern DEPTH_COLUMNTITLE = Pattern.compile("Solltiefe\\s*\\[(.*)\\].*", Pattern.CASE_INSENSITIVE);
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50
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51 private int widthColIndex;
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52
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53 private int depthColIndex;
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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 ChannelParser(final File importPath, final File rootRelativePath, final ImportRiver river) {
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59 super(importPath, rootRelativePath, river);
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60 this.widthColIndex = -1;
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61 this.depthColIndex = -1;
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62 }
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63
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64
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65 /***** METHODS *****/
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66
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67 @Override
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68 protected Logger getLog() {
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69 return log;
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70 }
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71
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72 /**
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73 * Whether this import type shall be skipped
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74 */
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75 public static boolean shallSkip() {
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76 return Config.INSTANCE.skipSInfoChannel();
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77 }
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78
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79 /**
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80 * Creates a list of parsers for all channel import files in a directory
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81 */
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82 public static List<ChannelParser> createParsers(final File importDir, final File relativeDir, final ImportRiver river) {
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83 final List<ChannelParser> parsers = new ArrayList<>();
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84 if (importDir.exists())
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85 for (final File file : listFiles(importDir, IMPORT_FILENAME))
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86 parsers.add(new ChannelParser(file, new File(relativeDir, file.getName()), river));
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87 return parsers;
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88 }
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89
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90 @Override
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91 protected boolean handleMetaOther() {
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92 if (handleMetaFirst())
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93 return true;
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94 else if (handleMetaYears())
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95 return true;
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96 else
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97 return false;
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98 }
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99
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100 private boolean handleMetaFirst() {
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101 final Matcher m = META_FIRST.matcher(this.currentLine);
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102 if (m.matches()) {
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103 this.metaPatternsMatched.add(META_FIRST);
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104 return true;
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105 }
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106 return false;
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107 }
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108
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109 private boolean handleMetaYears() {
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110 final Matcher m = META_YEARS.matcher(this.currentLine);
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111 if (m.matches()) {
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112 this.metaPatternsMatched.add(META_YEARS);
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113 try {
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114 if (m.group(1) != null)
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115 this.seriesHeader.setYear_from(Integer.valueOf(m.group(1)));
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116 else
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117 throw new NumberFormatException();
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118 if (m.group(2) != null)
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119 this.seriesHeader.setYear_to(Integer.valueOf(m.group(2)));
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120 else
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121 throw new NumberFormatException();
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122 }
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123 catch (final Exception e) {
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124 logLineError("Invalid or missing start and/or end year");
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125 this.headerParsingState = ParsingState.STOP;
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126 }
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127 return true;
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128 }
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129 return false;
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130 }
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131
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132 @Override
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133 protected boolean handleMetaColumnTitles() {
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134 if (super.handleMetaColumnTitles()) {
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135 for (int i = 1; i <= this.columnTitles.size() - 1; i++) {
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136 if (DEPTH_COLUMNTITLE.matcher(this.columnTitles.get(i)).matches())
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137 this.depthColIndex = i;
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138 else if (WIDTH_COLUMNTITLE.matcher(this.columnTitles.get(i)).matches())
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139 this.widthColIndex = i;
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140 }
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141 if ((this.widthColIndex < 0) || (this.depthColIndex < 0)) {
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142 logLineError("Columns of width and/or depth values could not be identified, missing column title 'Sollbreite...'/'Sollhöhe...'");
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143 this.headerParsingState = ParsingState.STOP;
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144 }
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145 return true;
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146 }
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147 else
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148 return false;
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149 }
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150
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151 @Override
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152 protected ChannelSeriesImport createSeriesImport(final String filename) {
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153 return new ChannelSeriesImport(filename);
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154 }
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155
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156 @Override
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157 protected ChannelKmLineImport createKmLineImport(final Double km, final String[] values) {
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158 final Number width = parseDoubleCheckNull(values, this.widthColIndex);
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159 if ((width == null) || Double.isNaN(width.doubleValue())) {
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160 logLineError(INVALID_VALUE_ERROR_FORMAT, "width");
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161 return null;
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162 }
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163 final Number depth = parseDoubleCheckNull(values, this.depthColIndex);
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164 if ((depth == null) || Double.isNaN(depth.doubleValue())) {
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165 logLineError(INVALID_VALUE_ERROR_FORMAT, "depth");
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166 return null;
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167 }
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168 return new ChannelKmLineImport(km, width.doubleValue(), depth.doubleValue());
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169 }
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170 }
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