Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/parsers/WstParser.java @ 6505:128ab9169db1 double-precision
merged changes from default into double-precision branch
author | Tom Gottfried <tom.gottfried@intevation.de> |
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date | Fri, 28 Jun 2013 17:03:48 +0200 |
parents | 55a2f9e0d6ab 7664ab97b4c7 |
children | f4fb7e38a288 |
rev | line source |
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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.util.ArrayList; |
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12 import java.util.HashSet; |
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13 |
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14 import java.io.File; |
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15 import java.io.IOException; |
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16 import java.io.LineNumberReader; |
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17 import java.io.InputStreamReader; |
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18 import java.io.FileInputStream; |
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19 |
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20 import java.text.NumberFormat; |
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21 |
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22 import org.apache.log4j.Logger; |
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23 |
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24 import org.dive4elements.river.utils.StringUtil; |
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25 import org.dive4elements.river.utils.DateGuesser; |
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26 |
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27 import java.util.regex.Pattern; |
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28 import java.util.regex.Matcher; |
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29 |
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30 import java.math.BigDecimal; |
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31 |
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32 import org.dive4elements.river.importer.ImportWstQRange; |
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33 import org.dive4elements.river.importer.ImportWstColumn; |
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34 import org.dive4elements.river.importer.ImportTimeInterval; |
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35 import org.dive4elements.river.importer.ImportRange; |
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36 import org.dive4elements.river.importer.ImportUnit; |
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37 import org.dive4elements.river.importer.ImportWst; |
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38 |
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39 public class WstParser |
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40 { |
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41 private static Logger log = Logger.getLogger(WstParser.class); |
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42 |
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43 public static final String COLUMN_BEZ_TEXT = "column-bez-text"; |
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44 public static final String COLUMN_BEZ_BREITE = "column-bez-breite"; |
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45 public static final String COLUMN_QUELLE = "column-quelle"; |
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46 public static final String COLUMN_DATUM = "column-datum"; |
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47 |
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48 public static final BigDecimal UNDEFINED_ZERO = |
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49 new BigDecimal(0.0); |
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50 public static final BigDecimal MIN_RANGE = |
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51 new BigDecimal(-Double.MAX_VALUE); |
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52 public static final BigDecimal MAX_RANGE = |
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53 new BigDecimal(Double.MAX_VALUE); |
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54 |
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55 public static final String ENCODING = "ISO-8859-1"; |
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56 |
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57 public static final Pattern UNIT_COMMENT = |
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58 Pattern.compile("\\*\\s*[kK][mM]\\s+(.+)"); |
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59 |
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60 public static final Pattern UNIT = |
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61 Pattern.compile("[^\\[]*\\[([^]]+)\\].*"); |
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62 |
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63 public static final double INTERVAL_GAP = 0.00001d; |
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64 |
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65 protected ImportWst wst; |
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66 |
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67 protected ImportRange lastRange; |
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68 |
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69 public WstParser() { |
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70 } |
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71 |
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72 public WstParser(ImportWst wst) { |
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73 this.wst = wst; |
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74 } |
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75 |
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76 public ImportWst getWst() { |
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77 return wst; |
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78 } |
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79 |
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80 public void setWst(ImportWst wst) { |
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81 this.wst = wst; |
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82 } |
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83 |
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84 public static ImportTimeInterval guessDate(String string) { |
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85 try { |
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86 return new ImportTimeInterval( |
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87 DateGuesser.guessDate(string)); |
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88 } |
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89 catch (IllegalArgumentException iae) { |
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90 log.warn("WST: String '" + string + |
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91 "' could not be interpreted as valid timestamp"); |
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92 } |
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93 return null; |
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94 } |
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95 |
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96 public void parse(File file) throws IOException { |
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97 |
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98 log.info("Parsing WST file '" + file + "'"); |
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99 |
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100 if (wst == null) { |
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101 wst = new ImportWst(file.getName()); |
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102 } |
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103 else { |
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104 wst.setDescription(file.getName()); |
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105 } |
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106 |
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107 LineNumberReader in = |
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108 new LineNumberReader( |
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109 new InputStreamReader( |
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110 new FileInputStream(file), ENCODING)); |
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111 try { |
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112 String input; |
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113 boolean first = true; |
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114 int columnCount = 0; |
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115 |
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116 String [] lsBezeichner = null; |
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117 String [] langBezeichner = null; |
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118 int [] colNaWidths = null; |
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119 String [] quellen = null; |
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120 String [] daten = null; |
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121 |
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122 BigDecimal [] aktAbfluesse = null; |
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123 BigDecimal [] firstAbfluesse = null; |
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124 |
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125 BigDecimal minKm = MAX_RANGE; |
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126 BigDecimal maxKm = MIN_RANGE; |
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127 BigDecimal kmHist1 = null; |
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128 BigDecimal kmHist2 = null; |
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129 |
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130 boolean columnHeaderChecked = false; |
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131 |
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132 String einheit = "Wasserstand [NN + m]"; |
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133 |
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134 HashSet<BigDecimal> kms = new HashSet<BigDecimal>(); |
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135 |
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136 while ((input = in.readLine()) != null) { |
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137 String line = input; |
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138 if (first) { // fetch number of columns |
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139 if ((line = line.trim()).length() == 0) { |
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140 continue; |
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141 } |
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142 try { |
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143 columnCount = Integer.parseInt(line); |
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144 if (columnCount <= 0) { |
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145 throw new NumberFormatException( |
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146 "number of columns <= 0"); |
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147 } |
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148 log.debug("Number of columns: " + columnCount); |
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149 wst.setNumberColumns(columnCount); |
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150 lsBezeichner = new String[columnCount]; |
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151 } |
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152 catch (NumberFormatException nfe) { |
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153 log.warn("WST: invalid number.", nfe); |
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154 continue; |
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155 } |
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156 first = false; |
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157 continue; |
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158 } |
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159 |
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160 line = line.replace(',', '.'); |
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161 |
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162 if (line.startsWith("*\u001f")) { |
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163 BigDecimal [] data = |
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164 parseLineAsDouble(line, columnCount, false, true); |
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165 |
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166 if (aktAbfluesse != null) { |
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167 if (kmHist1 != null && kmHist2 != null |
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168 && kmHist1.compareTo(kmHist2) < 0) { |
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169 BigDecimal t = minKm; minKm = maxKm; maxKm = t; |
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170 } |
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171 addInterval(minKm, maxKm, aktAbfluesse); |
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172 minKm = MAX_RANGE; |
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173 maxKm = MIN_RANGE; |
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174 } |
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175 |
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176 aktAbfluesse = new BigDecimal[columnCount]; |
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177 log.debug("new q range: " + columnCount); |
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178 for (int i = 0; i < Math.min(columnCount, data.length); ++i) { |
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179 if (data[i] != null) { |
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180 log.debug(" column: " + data[i]); |
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181 aktAbfluesse[i] = data[i]; |
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182 } |
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|
183 } |
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184 |
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185 if (firstAbfluesse == null) { |
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186 firstAbfluesse = (BigDecimal [])aktAbfluesse.clone(); |
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187 } |
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188 continue; |
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|
189 } |
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190 |
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191 if (line.startsWith("*!")) { |
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192 String spezial = line.substring(2).trim(); |
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193 |
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194 if (spezial.length() == 0) { |
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|
195 continue; |
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|
196 } |
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197 |
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198 if (spezial.startsWith(COLUMN_BEZ_TEXT)) { |
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199 spezial = spezial.substring(COLUMN_BEZ_TEXT.length()).trim(); |
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200 if (spezial.length() == 0) { |
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|
201 continue; |
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|
202 } |
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|
203 langBezeichner = StringUtil.splitQuoted(spezial, '"'); |
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204 } |
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|
205 else if (spezial.startsWith(COLUMN_BEZ_BREITE)) { |
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|
206 spezial = spezial.substring(COLUMN_BEZ_BREITE.length()).trim(); |
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|
207 |
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|
208 if (spezial.length() == 0) { |
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|
209 continue; |
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|
210 } |
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|
211 |
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|
212 String[] split = spezial.split("\\s+"); |
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|
213 |
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|
214 colNaWidths = new int[split.length]; |
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|
215 for (int i=0; i < split.length; i++) { |
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|
216 colNaWidths[i] = Integer.parseInt(split[i]); |
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|
217 } |
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|
218 } |
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|
219 else if (spezial.startsWith(COLUMN_QUELLE)) { |
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|
220 if (spezial.length() == 0) { |
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|
221 continue; |
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|
222 } |
6504
7664ab97b4c7
Backend: Store source of a wst column if available.
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|
223 quellen = StringUtil.splitQuoted(spezial, '"'); |
1211
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|
224 } |
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|
225 else if (spezial.startsWith(COLUMN_DATUM)) { |
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226 spezial = spezial.substring(COLUMN_DATUM.length()).trim(); |
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|
227 if (spezial.length() == 0) { |
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228 continue; |
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229 } |
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230 daten = StringUtil.splitQuoted(spezial, '"'); |
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231 } |
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232 continue; |
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233 } |
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234 |
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235 if (line.length() < 11) { |
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236 continue; |
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237 } |
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238 |
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239 if (line.startsWith("*")) { |
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240 Matcher m = UNIT_COMMENT.matcher(line); |
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241 if (m.matches()) { |
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242 log.debug("unit comment found"); |
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243 // XXX: This hack is needed because desktop |
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244 // FLYS is broken figuring out the unit |
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245 String [] units = m.group(1).split("\\s{2,}"); |
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246 m = UNIT.matcher(units[0]); |
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247 einheit = m.matches() ? m.group(1) : units[0]; |
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248 log.debug("unit: " + einheit); |
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249 } |
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250 continue; |
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251 } |
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252 |
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253 if (firstAbfluesse != null) { |
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254 if (!columnHeaderChecked) { |
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255 int unknownCount = 0; |
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256 HashSet<String> uniqueColumnNames = |
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257 new HashSet<String>(); |
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258 if (langBezeichner != null) { |
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259 // use column name from '*!column-bez-text'-line |
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260 lsBezeichner = StringUtil.fitArray( |
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261 langBezeichner, lsBezeichner); |
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262 } |
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263 for (int i = 0; i < lsBezeichner.length; ++i) { |
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264 if (lsBezeichner[i] == null |
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265 || lsBezeichner[i].length() == 0) { |
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266 // generate alternative column names |
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267 double q = firstAbfluesse[i].doubleValue(); |
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268 if (q < 0.001) { |
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269 lsBezeichner[i] = |
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270 "<unbekannt #" + unknownCount + ">"; |
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271 ++unknownCount; |
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272 } |
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273 else { |
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274 lsBezeichner[i] = "Q="+format(q); |
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275 } |
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276 } |
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277 String candidate = lsBezeichner[i]; |
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278 int collision = 1; |
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279 while (!uniqueColumnNames.add(candidate)) { |
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280 candidate = lsBezeichner[i] + |
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281 " (" + collision + ")"; |
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282 ++collision; |
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283 } |
2357
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284 ImportWstColumn iwc = wst.getColumn(i); |
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285 iwc.setName(candidate); |
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286 if (quellen != null && i < quellen.length) { |
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287 iwc.setSource(quellen[i]); |
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288 } |
5558 | 289 String potentialDate = daten != null && i < daten.length |
290 ? daten[i] | |
291 : candidate; | |
292 iwc.setTimeInterval(guessDate(potentialDate)); | |
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293 } |
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294 columnHeaderChecked = true; |
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295 } |
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296 |
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297 BigDecimal [] data = |
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298 parseLineAsDouble(line, columnCount, true, false); |
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299 |
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300 BigDecimal kaem = data[0]; |
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301 |
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302 if (!kms.add(kaem)) { |
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303 log.warn( |
3662
0d27d02b1208
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304 "WST: km " + kaem + |
1211
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305 " (line " + in.getLineNumber() + |
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306 ") found more than once. -> ignored"); |
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307 continue; |
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|
308 } |
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309 |
5544
12f4d088f088
WST importer: Cosmetics.
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310 kmHist2 = kmHist1; |
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311 kmHist1 = kaem; |
5543
732a8bd44650
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312 |
1211
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313 if (kaem.compareTo(minKm) < 0) { |
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314 minKm = kaem; |
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315 } |
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316 if (kaem.compareTo(maxKm) > 0) { |
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317 maxKm = kaem; |
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318 } |
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319 |
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320 // extract values |
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321 for (int i = 0; i < columnCount; ++i) { |
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322 addValue(kaem, data[i+1], i); |
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323 } |
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324 |
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|
325 } |
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|
326 else { // firstAbfluesse == null |
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327 if (langBezeichner != null) { |
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328 // nothing to do |
1211
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329 } |
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330 else if (colNaWidths != null) { |
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331 for (int j = 0, i = 0, N = input.length(); |
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332 j < colNaWidths.length && i < N; |
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333 i += colNaWidths[j++] |
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|
334 ) { |
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|
335 lsBezeichner[j] = input.substring( |
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336 i, i+colNaWidths[j]).trim(); |
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|
337 } |
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|
338 } |
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|
339 else { |
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340 // first column begins at position 8 in line |
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341 for (int i = 8, col = 0; i < input.length(); i += 9) { |
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342 if ((i + 9) > input.length()) { |
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|
343 i = input.length() - 10; |
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|
344 } |
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345 // one column header is 9 chars wide |
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346 lsBezeichner[col++] = |
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|
347 input.substring(i, i + 9).trim(); |
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|
348 |
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|
349 if (col == lsBezeichner.length) { |
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|
350 break; |
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parents:
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|
351 } |
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Moved file parsers to separate package.
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parents:
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|
352 } |
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Moved file parsers to separate package.
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parents:
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|
353 } |
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parents:
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|
354 } |
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|
355 |
5542
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Wst Parser: Another attempt to fix the order of the Q ranges.
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|
356 } // for all lines in WST file |
2346
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Added db table, model class and importer stuff for units.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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|
357 |
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Added db table, model class and importer stuff for units.
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|
358 wst.setUnit(new ImportUnit(einheit)); |
5544
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WST importer: Cosmetics.
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|
359 |
12f4d088f088
WST importer: Cosmetics.
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|
360 if (kmHist1 != null && kmHist2 != null |
12f4d088f088
WST importer: Cosmetics.
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|
361 && kmHist1.compareTo(kmHist2) < 0) { |
12f4d088f088
WST importer: Cosmetics.
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|
362 BigDecimal t = minKm; minKm = maxKm; maxKm = t; |
12f4d088f088
WST importer: Cosmetics.
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|
363 } |
1211
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364 addInterval(minKm, maxKm, aktAbfluesse); |
5542
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Wst Parser: Another attempt to fix the order of the Q ranges.
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|
365 |
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Wst Parser: Another attempt to fix the order of the Q ranges.
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|
366 fixRangesOrder(); |
1211
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|
367 } |
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changeset
|
368 finally { |
6337
224d7c4b5291
Backend: Create ImportWsts for official lines expicitly. They are going to be somewhat special. Removed some cruft from the WstParser.
Sascha L. Teichmann <teichmann@intevation.de>
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diff
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|
369 in.close(); |
1211
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|
370 } |
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Moved file parsers to separate package.
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changeset
|
371 } |
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|
372 |
5542
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|
373 protected void fixRangesOrder() { |
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Wst Parser: Another attempt to fix the order of the Q ranges.
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|
374 wst.fixRangesOrder(); |
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|
375 } |
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|
376 |
1211
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377 protected void addValue(BigDecimal km, BigDecimal w, int index) { |
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378 if (w != null) { |
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|
379 ImportWstColumn column = wst.getColumn(index); |
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changeset
|
380 column.addColumnValue(km, w); |
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|
381 } |
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parents:
diff
changeset
|
382 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
383 |
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parents:
diff
changeset
|
384 private static final NumberFormat NF = getNumberFormat(); |
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diff
changeset
|
385 |
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parents:
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changeset
|
386 private static final NumberFormat getNumberFormat() { |
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parents:
diff
changeset
|
387 NumberFormat nf = NumberFormat.getInstance(); |
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parents:
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changeset
|
388 nf.setMinimumFractionDigits(2); |
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parents:
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changeset
|
389 nf.setMaximumFractionDigits(2); |
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parents:
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changeset
|
390 return nf; |
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parents:
diff
changeset
|
391 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
392 |
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parents:
diff
changeset
|
393 protected static String format(double value) { |
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parents:
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|
394 return NF.format(value); |
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Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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changeset
|
395 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
396 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
397 protected void addInterval( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
398 BigDecimal from, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
399 BigDecimal to, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
400 BigDecimal [] values |
f08fe480092c
Moved file parsers to separate package.
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parents:
diff
changeset
|
401 ) { |
f08fe480092c
Moved file parsers to separate package.
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parents:
diff
changeset
|
402 log.debug("addInterval: " + from + " " + to); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
403 |
5795
202a73ce6704
WST-Parser: Avoid trying to set MIN_RANGE when actually no stations are given
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
5558
diff
changeset
|
404 if (values == null || from == MAX_RANGE || from == MIN_RANGE) { |
1211
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
405 return; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
406 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
407 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
408 ImportRange range = new ImportRange(from, to); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
409 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
410 // little workaround to make the q ranges tightly fit. |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
411 // Leave a very small gap to ensure that the range queries |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
412 // still work. |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
413 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
414 if (lastRange != null) { |
5541
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
3662
diff
changeset
|
415 double a1 = lastRange.getA().doubleValue(); |
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
3662
diff
changeset
|
416 double b1 = lastRange.getB().doubleValue(); |
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
3662
diff
changeset
|
417 double a2 = range.getA().doubleValue(); |
1211
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Moved file parsers to separate package.
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parents:
diff
changeset
|
418 |
5541
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
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parents:
3662
diff
changeset
|
419 if (a1 < b1) { |
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
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parents:
3662
diff
changeset
|
420 lastRange.setB(new BigDecimal(a2 - INTERVAL_GAP)); |
1211
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
421 } |
5541
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
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parents:
3662
diff
changeset
|
422 else { // a1 >= b1 |
b09c095a0b7e
WST Importer: Potential fix for tighten gaps between Q ranges.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
3662
diff
changeset
|
423 lastRange.setB(new BigDecimal(a2 + INTERVAL_GAP)); |
1211
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
424 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
425 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
426 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
427 for (int i = 0; i < values.length; ++i) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
428 ImportWstColumn column = wst.getColumn(i); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
429 ImportWstQRange wstQRange = new ImportWstQRange(range, values[i]); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
430 column.addColumnQRange(wstQRange); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
431 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
432 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
433 lastRange = range; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
434 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
435 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
436 private static final BigDecimal [] parseLineAsDouble( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
437 String line, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
438 int count, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
439 boolean bStation, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
440 boolean bParseEmptyAsZero |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
441 ) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
442 String [] tokens = parseLine(line, count, bStation); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
443 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
444 BigDecimal [] doubles = new BigDecimal[tokens.length]; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
445 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
446 for (int i = 0; i < doubles.length; ++i) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
447 String token = tokens[i].trim(); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
448 if (token.length() != 0) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
449 doubles[i] = new BigDecimal(token); |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
450 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
451 else if (bParseEmptyAsZero) { |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
452 doubles[i] = UNDEFINED_ZERO; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
453 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
454 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
455 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
456 return doubles; |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
457 } |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
458 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
459 private static String [] parseLine( |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
460 String line, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
461 int tokenCount, |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
462 boolean bParseStation |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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463 ) { |
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464 ArrayList<String> strings = new ArrayList<String>(); |
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465 |
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466 if (bParseStation) { |
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467 if (line.length() < 8) { |
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468 throw new IllegalArgumentException("station too short"); |
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469 } |
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470 strings.add(line.substring(0, 8)); |
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471 } |
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472 |
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473 int pos = 9; |
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474 for (int i = 0; i < tokenCount; ++i) { |
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475 if (line.length() >= pos + 8) { |
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476 strings.add(line.substring(pos, pos + 8)); |
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477 } |
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478 else { |
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479 strings.add(""); |
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480 } |
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481 pos += 9; |
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482 } |
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483 |
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484 return strings.toArray(new String[strings.size()]); |
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485 } |
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486 } |
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487 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |