Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/AtFileParser.java @ 9726:0a5239a1e46e 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Wed, 02 Mar 2022 10:26:50 +0100
parents 9d2e69f971f5
children
rev   line source
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4dd33b86dc61 Added header to river backend.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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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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7 */
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8
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9 package org.dive4elements.river.importer.parsers;
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10
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11 import java.io.FileNotFoundException;
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12 import java.io.BufferedReader;
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13 import java.io.File;
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14 import java.io.FileInputStream;
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15 import java.io.InputStreamReader;
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16 import java.io.IOException;
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17 import java.math.BigDecimal;
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18
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19 import org.apache.logging.log4j.Logger;
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20 import org.apache.logging.log4j.LogManager;
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21
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22 import org.dive4elements.river.importer.ImportDischargeTable;
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23 import org.dive4elements.river.importer.ImportDischargeTableValue;
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24
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25 import java.util.regex.Pattern;
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26 import java.util.regex.Matcher;
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27
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28 import java.util.Date;
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29 import java.util.Calendar;
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30
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31 import org.dive4elements.river.importer.ImportTimeInterval;
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32
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33 /** Parse *.at (Abflusstafeln?) files. */
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34 public class AtFileParser {
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35
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36 public static final String ENCODING = "ISO-8859-1";
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37
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38 private static Logger log = LogManager.getLogger(AtFileParser.class);
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39
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40 // regular expression from hell to find out time range
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41 public static final Pattern DATE_LINE = Pattern.compile(
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42 "^\\*\\s*Abflu[^t]+tafel?\\s*([^\\d]+)" +
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43 "(\\d{1,2})?\\.?(\\d{1,2})?\\.?(\\d{2,4})\\s*(?:(?:bis)|-)?\\s*" +
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44 "(?:(\\d{1,2})?\\.?(\\d{1,2})?\\.?(\\d{2,4}))?\\s*.*$");
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45
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46 public AtFileParser() {
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47 }
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48
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49
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50 public ImportDischargeTable parse(File file) throws IOException {
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51 return parse(file, "", 0);
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52 }
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53
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54 public ImportDischargeTable parse(
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55 File file,
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56 String prefix,
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57 int kind
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58 )
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59 throws IOException {
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60
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61 log.info("parsing AT file: " + file);
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62
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63 BufferedReader br = null;
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64
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65 String line = null;
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66
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67 boolean beginning = true;
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68
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69 ImportDischargeTable dischargeTable =
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70 new ImportDischargeTable(kind, prefix + file.getName());
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71
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72 Date from = null;
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73 Date to = null;
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74
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75 try {
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76 br = new BufferedReader(
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77 new InputStreamReader(
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78 new FileInputStream(file), ENCODING));
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79
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80 while ((line = br.readLine()) != null) {
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81
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82 String tmp = line.trim();
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83
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84 if (tmp.length() == 0) {
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85 continue;
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86 }
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87
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88 Matcher m = DATE_LINE.matcher(tmp);
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89 if (m.matches()) {
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90 from = guessDate(m.group(2), m.group(3), m.group(4));
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91 to = guessDate(m.group(5), m.group(6), m.group(7));
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92 if (from == null) {
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93 Date t = from; from = to; to = t;
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94 }
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95 continue;
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96 }
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97
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98 if (tmp.startsWith("#! name=")) {
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99 // XXX Skip the name, because we don't know where to save
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100 // it at the moment
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101
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102 //String name = tmp.substring(8);
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103 continue;
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104 }
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105
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106 if (tmp.startsWith("#") || tmp.startsWith("*")) {
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107 continue;
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108 }
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109
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110 String[] splits = tmp.replace(',', '.').split("\\s+");
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111
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112 if ((splits.length < 2) || (splits.length > 11)) {
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113 log.warn("Found an invalid row in the AT file.");
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114 continue;
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115 }
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116
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117 String strW = splits[0].trim();
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118 double W = Double.parseDouble(strW);
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119
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120 /* shift is used to differenciate between lines with
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121 * exactly 10 Qs and lines with less than 10 Qs. The shift
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122 * is only modified when it is the first line.
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123 */
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124 int shift = -1;
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125
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126 if (splits.length != 11 && beginning) {
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127 shift = 10 - splits.length;
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128 }
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129
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130
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131 for (int i = 1; i < splits.length; i++) {
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132 double iW = W + shift + i;
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133 double iQ = Double.parseDouble(splits[i].trim());
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134
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135 dischargeTable.addDischargeTableValue(
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136 new ImportDischargeTableValue(
6255
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137 new BigDecimal(iQ),
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138 new BigDecimal(iW)));
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139 }
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140
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141 beginning = false;
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142 }
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143 }
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144 catch (NumberFormatException pe) {
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145 log.warn("AT: invalid number " + pe.getMessage());
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146 }
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147 catch (FileNotFoundException fnfe) {
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148 log.error(fnfe.getMessage());
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149 }
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150 finally {
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151 if (br != null) {
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152 br.close();
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153 }
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parents:
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154 }
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155
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156 if (from != null) {
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diff changeset
157 if (to != null && from.compareTo(to) > 0) {
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158 Date t = from; from = to; to = t;
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159 }
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160 log.info("from: " + from + " to: " + to);
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161 ImportTimeInterval interval = new ImportTimeInterval(from, to);
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162 dischargeTable.setTimeInterval(interval);
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163 }
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164
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165 log.info("Finished parsing AT file: " + file);
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166
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167 return dischargeTable;
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168 }
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169
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170 public static Date guessDate(String day, String month, String year) {
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171 // TODO evaluate whether DateGuesser class can do that.
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172 if (day == null && month == null && year == null) {
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173 return null;
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174 }
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175
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176 log.debug("day: " + day + " month: " + month + " year: " + year);
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177
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178 int dayI = 15;
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179 if (day != null) {
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180 try {
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181 dayI = Integer.parseInt(day.trim());
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182 }
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183 catch (NumberFormatException nfe) {
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184 }
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185 }
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186
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187 int monthI = 6;
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188 if (month != null) {
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diff changeset
189 try {
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diff changeset
190 monthI = Integer.parseInt(month.trim());
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191 }
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diff changeset
192 catch (NumberFormatException nfe) {
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193 }
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194 }
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195
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196 int yearI = 1900;
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197 if (year != null) {
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198 try {
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diff changeset
199 yearI = Integer.parseInt(year.trim());
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200 if (yearI < 100) {
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parents:
diff changeset
201 if (yearI < 20) {
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parents:
diff changeset
202 yearI += 2000;
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diff changeset
203 }
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diff changeset
204 else {
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diff changeset
205 yearI += 1900;
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parents:
diff changeset
206 }
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parents:
diff changeset
207 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 }
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parents:
diff changeset
209 catch (NumberFormatException nfe) {
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parents:
diff changeset
210 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 Calendar cal = Calendar.getInstance();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 cal.set(yearI, monthI-1, dayI, 12, 0, 0);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 long ms = cal.getTimeInMillis();
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
216 cal.setTimeInMillis(ms - ms%1000);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 return cal.getTime();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 }
5331
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
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parents: 5330
diff changeset
219
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
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parents: 5330
diff changeset
220
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
221 /** Parse one or more files, (useful for debugging), */
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
222 public static void main(String [] args) {
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
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parents: 5330
diff changeset
223
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
224 AtFileParser parser = new AtFileParser();
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
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parents: 5330
diff changeset
225
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
226 try {
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
227 for (String arg: args) {
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
228 parser.parse(new File(arg));
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
229 }
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
230 } catch(Exception e) {
8200
9d2e69f971f5 sed -i src/**/*.java 's/logger/log/g'
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parents: 7447
diff changeset
231 log.error("Exception caught " + e);
5331
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
232 }
95af0f3aabfb AtFileParser, README: Added main-method for AT-File-Parsing debugging, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5330
diff changeset
233 }
1211
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parents:
diff changeset
234 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org