Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/WstParser.java @ 4198:1cdbd8a0c994
Added two new tables ClickableQDTable and ClickableWTable and made Ws and Qs clickable in historical discharge calculation.
The new tables define listener interfaces (clicked lower or upper icon) to listen to user clicks.
In addition to this, there is an enum ClickMode with NONE, SINGLE and RANGE options, which allows to
specifiy, which icons are displayed in the tables. NONE means no icon for user clicks, SINGLE has 1
icon, RANGE 2 icons for lower and upper.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 22 Oct 2012 13:31:25 +0200 |
parents | 0d27d02b1208 |
children | b09c095a0b7e |
rev | line source |
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1 package de.intevation.flys.importer.parsers; |
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2 |
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3 import java.util.ArrayList; |
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4 import java.util.HashSet; |
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5 |
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6 import java.io.File; |
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7 import java.io.IOException; |
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8 import java.io.LineNumberReader; |
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9 import java.io.InputStreamReader; |
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10 import java.io.FileInputStream; |
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11 |
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12 import java.text.NumberFormat; |
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13 |
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14 import org.apache.log4j.Logger; |
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15 |
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16 import de.intevation.flys.utils.StringUtil; |
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17 import de.intevation.flys.utils.DateGuesser; |
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18 |
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19 import java.util.regex.Pattern; |
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20 import java.util.regex.Matcher; |
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21 |
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22 import java.math.BigDecimal; |
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23 |
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24 import de.intevation.flys.importer.ImportWstQRange; |
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25 import de.intevation.flys.importer.ImportWstColumn; |
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26 import de.intevation.flys.importer.ImportTimeInterval; |
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27 import de.intevation.flys.importer.ImportRange; |
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28 import de.intevation.flys.importer.ImportUnit; |
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29 import de.intevation.flys.importer.ImportWst; |
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30 |
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31 public class WstParser |
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32 { |
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33 private static Logger log = Logger.getLogger(WstParser.class); |
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34 |
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35 public static final String COLUMN_BEZ_TEXT = "column-bez-text"; |
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36 public static final String COLUMN_BEZ_BREITE = "column-bez-breite"; |
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37 public static final String COLUMN_QUELLE = "column-quelle"; |
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38 public static final String COLUMN_DATUM = "column-datum"; |
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39 |
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40 public static final BigDecimal UNDEFINED_ZERO = |
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41 new BigDecimal(0.0); |
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42 public static final BigDecimal MIN_RANGE = |
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43 new BigDecimal(-Double.MAX_VALUE); |
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44 public static final BigDecimal MAX_RANGE = |
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45 new BigDecimal(Double.MAX_VALUE); |
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46 |
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47 public static final String ENCODING = "ISO-8859-1"; |
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48 |
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49 public static final Pattern UNIT_COMMENT = |
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50 Pattern.compile("\\*\\s*[kK][mM]\\s+(.+)"); |
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51 |
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52 public static final Pattern UNIT = |
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53 Pattern.compile("[^\\[]*\\[([^]]+)\\].*"); |
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54 |
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55 public static final BigDecimal INTERVAL_GAP = |
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56 new BigDecimal(0.00001); |
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57 |
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58 protected ImportWst wst; |
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59 |
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60 protected ImportRange lastRange; |
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61 |
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62 public WstParser() { |
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63 } |
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64 |
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65 public ImportWst getWst() { |
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66 return wst; |
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67 } |
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68 |
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69 public void setWst(ImportWst wst) { |
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70 this.wst = wst; |
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71 } |
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72 |
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73 public ImportTimeInterval guessDate(String string) { |
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74 try { |
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75 return new ImportTimeInterval( |
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76 DateGuesser.guessDate(string)); |
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77 } |
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78 catch (IllegalArgumentException iae) { |
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79 } |
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80 return null; |
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81 } |
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82 |
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83 public void parse(File file) throws IOException { |
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84 |
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85 log.info("Parsing WST file '" + file + "'"); |
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86 |
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87 wst = new ImportWst(file.getName()); |
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88 |
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89 LineNumberReader in = null; |
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90 try { |
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91 in = |
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92 new LineNumberReader( |
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93 new InputStreamReader( |
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94 new FileInputStream(file), ENCODING)); |
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95 |
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96 String input; |
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97 boolean first = true; |
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98 int columnCount = 0; |
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99 |
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100 String [] lsBezeichner = null; |
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101 String [] langBezeichner = null; |
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102 int [] colNaWidths = null; |
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103 String [] quellen = null; |
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104 String [] daten = null; |
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105 |
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106 BigDecimal [] aktAbfluesse = null; |
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107 BigDecimal [] firstAbfluesse = null; |
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108 |
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109 BigDecimal minKm = MAX_RANGE; |
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110 BigDecimal maxKm = MIN_RANGE; |
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111 |
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112 boolean columnHeaderChecked = false; |
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113 |
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114 String einheit = "Wasserstand [NN + m]"; |
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115 |
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116 HashSet<BigDecimal> kms = new HashSet<BigDecimal>(); |
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117 |
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118 while ((input = in.readLine()) != null) { |
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119 String line = input; |
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120 if (first) { // fetch number of columns |
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121 if ((line = line.trim()).length() == 0) { |
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122 continue; |
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123 } |
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124 try { |
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125 columnCount = Integer.parseInt(line); |
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126 if (columnCount <= 0) { |
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127 throw new NumberFormatException( |
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128 "number columns <= 0"); |
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129 } |
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130 log.debug("Number of columns: " + columnCount); |
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131 wst.setNumberColumns(columnCount); |
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132 lsBezeichner = new String[columnCount]; |
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133 } |
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|
134 catch (NumberFormatException nfe) { |
3662
0d27d02b1208
backend: Completed the error messages of the importer.
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135 log.warn("WST: invalid number.", nfe); |
1211
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136 continue; |
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137 } |
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138 first = false; |
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139 continue; |
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140 } |
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141 |
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142 line = line.replace(',', '.'); |
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143 |
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144 if (line.startsWith("*\u001f")) { |
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145 BigDecimal [] data = |
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146 parseLineAsDouble(line, columnCount, false, true); |
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147 |
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148 if (aktAbfluesse != null) { |
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149 addInterval(minKm, maxKm, aktAbfluesse); |
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150 minKm = MAX_RANGE; |
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151 maxKm = MIN_RANGE; |
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152 } |
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153 |
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|
154 aktAbfluesse = new BigDecimal[columnCount]; |
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155 log.debug("new q range: " + columnCount); |
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156 for (int i = 0; i < Math.min(columnCount, data.length); ++i) { |
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|
157 if (data[i] != null) { |
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|
158 log.debug(" column: " + data[i]); |
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|
159 aktAbfluesse[i] = data[i]; |
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|
160 } |
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|
161 } |
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|
162 |
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|
163 if (firstAbfluesse == null) { |
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|
164 firstAbfluesse = (BigDecimal [])aktAbfluesse.clone(); |
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|
165 } |
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|
166 continue; |
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|
167 } |
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|
168 |
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|
169 if (line.startsWith("*!")) { |
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170 String spezial = line.substring(2).trim(); |
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171 |
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|
172 if (spezial.length() == 0) { |
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|
173 continue; |
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|
174 } |
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175 |
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|
176 if (spezial.startsWith(COLUMN_BEZ_TEXT)) { |
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177 spezial = spezial.substring(COLUMN_BEZ_TEXT.length()).trim(); |
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|
178 if (spezial.length() == 0) { |
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|
179 continue; |
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|
180 } |
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|
181 langBezeichner = StringUtil.splitQuoted(spezial, '"'); |
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|
182 } |
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|
183 else if (spezial.startsWith(COLUMN_BEZ_BREITE)) { |
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|
184 spezial = spezial.substring(COLUMN_BEZ_BREITE.length()).trim(); |
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185 |
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|
186 if (spezial.length() == 0) { |
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|
187 continue; |
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|
188 } |
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|
189 |
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|
190 String[] split = spezial.split("\\s+"); |
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|
191 |
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|
192 colNaWidths = new int[split.length]; |
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|
193 for (int i=0; i < split.length; i++) { |
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|
194 colNaWidths[i] = Integer.parseInt(split[i]); |
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|
195 } |
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|
196 } |
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|
197 else if (spezial.startsWith(COLUMN_QUELLE)) { |
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|
198 if (spezial.length() == 0) { |
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|
199 continue; |
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|
200 } |
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|
201 quellen = StringUtil.splitQuoted(spezial, '"'); |
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|
202 } |
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|
203 else if (spezial.startsWith(COLUMN_DATUM)) { |
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|
204 spezial = spezial.substring(COLUMN_DATUM.length()).trim(); |
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|
205 if (spezial.length() == 0) { |
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changeset
|
206 continue; |
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changeset
|
207 } |
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changeset
|
208 daten = StringUtil.splitQuoted(spezial, '"'); |
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changeset
|
209 } |
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|
210 continue; |
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changeset
|
211 } |
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changeset
|
212 |
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changeset
|
213 if (line.length() < 11) { |
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|
214 continue; |
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changeset
|
215 } |
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|
216 |
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changeset
|
217 if (line.startsWith("*")) { |
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changeset
|
218 Matcher m = UNIT_COMMENT.matcher(line); |
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|
219 if (m.matches()) { |
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|
220 log.debug("unit comment found"); |
f08fe480092c
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|
221 // XXX: This hack is needed because desktop |
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|
222 // FLYS is broken figuring out the unit |
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changeset
|
223 String [] units = m.group(1).split("\\s{2,}"); |
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changeset
|
224 m = UNIT.matcher(units[0]); |
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changeset
|
225 einheit = m.matches() ? m.group(1) : units[0]; |
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|
226 log.debug("unit: " + einheit); |
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changeset
|
227 } |
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|
228 continue; |
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changeset
|
229 } |
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changeset
|
230 |
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changeset
|
231 if (firstAbfluesse != null) { |
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|
232 if (!columnHeaderChecked) { |
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233 int unknownCount = 0; |
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234 HashSet<String> uniqueColumnNames = |
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|
235 new HashSet<String>(); |
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|
236 for (int i = 0; i < lsBezeichner.length; ++i) { |
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|
237 if (lsBezeichner[i] == null |
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238 || lsBezeichner[i].length() == 0) { |
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|
239 double q = firstAbfluesse[i].doubleValue(); |
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240 if (q < 0.001) { |
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|
241 lsBezeichner[i] = |
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|
242 "<unbekannt #" + unknownCount + ">"; |
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|
243 ++unknownCount; |
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244 } |
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|
245 else { |
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|
246 lsBezeichner[i] = "Q="+format(q); |
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|
247 } |
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|
248 } |
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changeset
|
249 String candidate = lsBezeichner[i]; |
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|
250 int collision = 1; |
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|
251 while (!uniqueColumnNames.add(candidate)) { |
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252 candidate = lsBezeichner[i] + |
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|
253 " (" + collision + ")"; |
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254 ++collision; |
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255 } |
2357
2e18e12fac11
Added date guesser for WST columns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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2346
diff
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|
256 ImportWstColumn iwc = wst.getColumn(i); |
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Added date guesser for WST columns.
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diff
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|
257 iwc.setName(candidate); |
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|
258 iwc.setTimeInterval(guessDate(candidate)); |
1211
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259 } |
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|
260 columnHeaderChecked = true; |
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|
261 } |
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262 |
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|
263 BigDecimal [] data = |
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|
264 parseLineAsDouble(line, columnCount, true, false); |
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265 |
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|
266 BigDecimal kaem = data[0]; |
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|
267 |
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|
268 if (!kms.add(kaem)) { |
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changeset
|
269 log.warn( |
3662
0d27d02b1208
backend: Completed the error messages of the importer.
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diff
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|
270 "WST: km " + kaem + |
1211
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|
271 " (line " + in.getLineNumber() + |
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|
272 ") found more than once. -> ignored"); |
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|
273 continue; |
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|
274 } |
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|
275 |
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|
276 if (kaem.compareTo(minKm) < 0) { |
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|
277 minKm = kaem; |
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|
278 } |
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parents:
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changeset
|
279 if (kaem.compareTo(maxKm) > 0) { |
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parents:
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|
280 maxKm = kaem; |
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|
281 } |
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|
282 |
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|
283 // extract values |
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|
284 for (int i = 0; i < columnCount; ++i) { |
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changeset
|
285 addValue(kaem, data[i+1], i); |
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|
286 } |
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|
287 |
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changeset
|
288 } |
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changeset
|
289 else { // firstAbfluesse == null |
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changeset
|
290 if (langBezeichner != null) { |
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changeset
|
291 lsBezeichner = StringUtil.fitArray( |
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changeset
|
292 langBezeichner, lsBezeichner); |
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|
293 } |
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|
294 else if (colNaWidths != null) { |
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|
295 for (int j = 0, i = 0, N = input.length(); |
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changeset
|
296 j < colNaWidths.length && i < N; |
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|
297 i += colNaWidths[j++] |
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|
298 ) { |
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|
299 lsBezeichner[j] = input.substring( |
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changeset
|
300 i, i+colNaWidths[j]).trim(); |
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|
301 } |
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changeset
|
302 } |
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parents:
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changeset
|
303 else { |
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parents:
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changeset
|
304 // first column begins at position 8 in line |
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changeset
|
305 for (int i = 8, col = 0; i < input.length(); i += 9) { |
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diff
changeset
|
306 if ((i + 9) > input.length()) { |
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changeset
|
307 i = input.length() - 10; |
f08fe480092c
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changeset
|
308 } |
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parents:
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changeset
|
309 // one column header is 9 chars wide |
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changeset
|
310 lsBezeichner[col++] = |
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changeset
|
311 input.substring(i, i + 9).trim(); |
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|
312 |
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changeset
|
313 if (col == lsBezeichner.length) { |
f08fe480092c
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diff
changeset
|
314 break; |
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parents:
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changeset
|
315 } |
f08fe480092c
Moved file parsers to separate package.
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parents:
diff
changeset
|
316 } |
f08fe480092c
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parents:
diff
changeset
|
317 } |
f08fe480092c
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parents:
diff
changeset
|
318 } |
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Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
319 |
f08fe480092c
Moved file parsers to separate package.
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parents:
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changeset
|
320 } |
2346
f834b411ca57
Added db table, model class and importer stuff for units.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1211
diff
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|
321 |
f834b411ca57
Added db table, model class and importer stuff for units.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1211
diff
changeset
|
322 wst.setUnit(new ImportUnit(einheit)); |
f834b411ca57
Added db table, model class and importer stuff for units.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1211
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|
323 |
1211
f08fe480092c
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parents:
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|
324 addInterval(minKm, maxKm, aktAbfluesse); |
f08fe480092c
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parents:
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changeset
|
325 } |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
326 finally { |
f08fe480092c
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changeset
|
327 if (in != null) { |
f08fe480092c
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changeset
|
328 in.close(); |
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diff
changeset
|
329 } |
f08fe480092c
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parents:
diff
changeset
|
330 } |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
331 } |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
332 |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
333 protected void addValue(BigDecimal km, BigDecimal w, int index) { |
f08fe480092c
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parents:
diff
changeset
|
334 if (w != null) { |
f08fe480092c
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parents:
diff
changeset
|
335 ImportWstColumn column = wst.getColumn(index); |
f08fe480092c
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parents:
diff
changeset
|
336 column.addColumnValue(km, w); |
f08fe480092c
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parents:
diff
changeset
|
337 } |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
338 } |
f08fe480092c
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parents:
diff
changeset
|
339 |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
340 private static final NumberFormat NF = getNumberFormat(); |
f08fe480092c
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changeset
|
341 |
f08fe480092c
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parents:
diff
changeset
|
342 private static final NumberFormat getNumberFormat() { |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
343 NumberFormat nf = NumberFormat.getInstance(); |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
344 nf.setMinimumFractionDigits(2); |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
345 nf.setMaximumFractionDigits(2); |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
346 return nf; |
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parents:
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changeset
|
347 } |
f08fe480092c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
348 |
f08fe480092c
Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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349 protected static String format(double value) { |
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350 return NF.format(value); |
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351 } |
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352 |
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353 protected void addInterval( |
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354 BigDecimal from, |
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355 BigDecimal to, |
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356 BigDecimal [] values |
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357 ) { |
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358 log.debug("addInterval: " + from + " " + to); |
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359 |
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360 if (values == null || from == MAX_RANGE) { |
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361 return; |
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362 } |
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363 |
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364 if (to.compareTo(from) < 0) { |
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365 BigDecimal t = from; from = to; to = t; |
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366 } |
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367 |
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368 ImportRange range = new ImportRange(from, to); |
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369 |
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370 // little workaround to make the q ranges tightly fit. |
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371 // Leave a very small gap to ensure that the range queries |
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372 // still work. |
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373 |
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374 if (lastRange != null) { |
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375 double d1 = Math.abs( |
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376 lastRange.getB().doubleValue() - range.getA().doubleValue()); |
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377 double d2 = Math.abs( |
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378 range.getB().doubleValue() - lastRange.getA().doubleValue()); |
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379 |
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380 if (d1 < d2) { |
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381 lastRange.setB(range.getA().subtract(INTERVAL_GAP)); |
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382 } |
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383 else { |
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384 range.setA(lastRange.getB().subtract(INTERVAL_GAP)); |
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385 } |
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386 } |
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387 |
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388 for (int i = 0; i < values.length; ++i) { |
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389 ImportWstColumn column = wst.getColumn(i); |
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390 ImportWstQRange wstQRange = new ImportWstQRange(range, values[i]); |
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391 column.addColumnQRange(wstQRange); |
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392 } |
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393 |
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394 lastRange = range; |
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395 } |
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396 |
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397 private static final BigDecimal [] parseLineAsDouble( |
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398 String line, |
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399 int count, |
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400 boolean bStation, |
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401 boolean bParseEmptyAsZero |
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402 ) { |
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403 String [] tokens = parseLine(line, count, bStation); |
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404 |
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405 BigDecimal [] doubles = new BigDecimal[tokens.length]; |
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406 |
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407 for (int i = 0; i < doubles.length; ++i) { |
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408 String token = tokens[i].trim(); |
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409 if (token.length() != 0) { |
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410 doubles[i] = new BigDecimal(token); |
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411 } |
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412 else if (bParseEmptyAsZero) { |
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413 doubles[i] = UNDEFINED_ZERO; |
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414 } |
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415 } |
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416 |
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417 return doubles; |
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418 } |
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419 |
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420 private static String [] parseLine( |
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421 String line, |
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422 int tokenCount, |
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423 boolean bParseStation |
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424 ) { |
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425 ArrayList<String> strings = new ArrayList<String>(); |
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426 |
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|
427 if (bParseStation) { |
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428 if (line.length() < 8) { |
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429 throw new IllegalArgumentException("station too short"); |
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430 } |
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|
431 strings.add(line.substring(0, 8)); |
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432 } |
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|
433 |
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|
434 int pos = 9; |
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changeset
|
435 for (int i = 0; i < tokenCount; ++i) { |
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changeset
|
436 if (line.length() >= pos + 8) { |
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|
437 strings.add(line.substring(pos, pos + 8)); |
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|
438 } |
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|
439 else { |
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|
440 strings.add(""); |
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|
441 } |
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|
442 pos += 9; |
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|
443 } |
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|
444 |
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|
445 return strings.toArray(new String[strings.size()]); |
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|
446 } |
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|
447 } |
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|
448 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |