Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/PorosityParser.java @ 7862:cdef048c4ac5

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Fixed porosity importer. Find existing db entries and parse values from string, not via double.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 08 May 2014 13:48:45 +0200
parents 02711de579cc
children d9d2bd78eff6
rev   line source
7840
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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 org.dive4elements.river.importer.ImportDepth;
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12 import org.dive4elements.river.importer.ImportPorosity;
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13 import org.dive4elements.river.importer.ImportPorosityValue;
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14 import org.dive4elements.river.importer.ImportSedimentDensity;
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15 import org.dive4elements.river.importer.ImportSedimentDensityValue;
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16 import org.dive4elements.river.importer.ImportTimeInterval;
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17
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18 import java.io.File;
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19 import java.io.IOException;
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20
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21 import java.math.BigDecimal;
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22
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23 import java.text.NumberFormat;
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24 import java.text.ParseException;
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25
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26 import java.util.ArrayList;
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27 import java.util.Date;
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28 import java.util.List;
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29
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30 import java.util.regex.Matcher;
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31 import java.util.regex.Pattern;
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32
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33 import org.apache.log4j.Logger;
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34
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35 public class PorosityParser extends LineParser {
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36
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37 private static final Logger log =
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38 Logger.getLogger(PorosityParser.class);
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39
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40 public static final NumberFormat nf =
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41 NumberFormat.getInstance(DEFAULT_LOCALE);
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42
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43 public static final Pattern META_DEPTH =
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44 Pattern.compile("^Tiefe: (\\w++)-(\\w++)( (\\w++))?.*");
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45
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46 public static final Pattern META_TIMEINTERVAL =
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47 Pattern.compile("^Zeitraum: (\\d{4})-(\\d{4}).*");
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48
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49 protected List<ImportPorosity> porosities;
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50
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51 protected ImportPorosity current;
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52
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53 protected String currentDescription;
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54
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55 public PorosityParser() {
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56 porosities = new ArrayList<ImportPorosity>();
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57 }
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58
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59
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60 @Override
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61 public void parse(File file) throws IOException {
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62 currentDescription = file.getName();
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63
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64 super.parse(file);
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65 }
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66
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67
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68 @Override
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69 protected void reset() {
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70 current = new ImportPorosity(currentDescription);
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71 }
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72
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73
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74 @Override
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75 protected void finish() {
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76 if (current != null) {
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77 porosities.add(current);
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78 }
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79 }
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80
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81
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82 @Override
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83 protected void handleLine(int lineNum, String line) {
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84 if (line.startsWith(START_META_CHAR)) {
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85 handleMetaLine(stripMetaLine(line));
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86 }
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87 else {
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88 handleDataLine(line);
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89 }
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90 }
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91
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92
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93 protected void handleMetaLine(String line) {
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94 if (handleMetaDepth(line)) {
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95 return;
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96 }
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97 if (handleMetaTimeInterval(line)) {
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98 return;
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99 }
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100 log.warn("Unknown meta line: '" + line + "'");
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101 }
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102
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103 protected boolean handleMetaTimeInterval(String line) {
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104 Matcher m = META_TIMEINTERVAL.matcher(line);
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105
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106 if (m.matches()) {
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107 String lo = m.group(1);
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108 String up = m.group(2);
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109
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110 log.debug("Found time interval: " + lo + " - " + up);
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111
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112 try {
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113 int lower = Integer.valueOf(lo);
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114 int upper = Integer.valueOf(up);
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115
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116 Date fromYear = LineParser.getStartDateFromYear(lower);
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117 Date toYear = LineParser.getEndDateFromYear(upper);
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118
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119 current.setTimeInterval(new ImportTimeInterval(fromYear, toYear));
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120 }
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121 catch (NumberFormatException e) {
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122 log.warn("PP: could not parse timeinterval", e);
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123 }
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124
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125 return true;
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126 }
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127
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128 return false;
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129 }
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130
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131 protected boolean handleMetaDepth(String line) {
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132 Matcher m = META_DEPTH.matcher(line);
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133
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134 if (m.matches()) {
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135 String lo = m.group(1);
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136 String up = m.group(2);
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137
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138 log.info("Found porosity depth: " + lo + " - " + up + " cm");
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139
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140 ImportDepth depth = null;
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141 try {
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142 depth = new ImportDepth(
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143 new BigDecimal(lo),
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144 new BigDecimal(up)
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145 );
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146 }
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147 catch (NumberFormatException nfe) {
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148 log.warn("Unparsable number for depth: " + line, nfe);
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149 }
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150
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151 if (depth != null) {
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152 current.setDepth(depth);
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153 return true;
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154 }
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155 return false;
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156 }
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157 else {
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158 log.debug("Meta line doesn't contain depth information: " + line);
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159 }
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160
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161 return false;
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162 }
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163
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164 protected void handleDataLine(String line) {
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165 String[] vals = line.split(SEPERATOR_CHAR);
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166 log.debug("handle line: " + line);
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167
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168 if (vals == null || vals.length < 3) {
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169 log.warn("skip invalid data line: '" + line + "'");
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170 return;
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171 }
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172
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173 BigDecimal km = null;
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174 BigDecimal shoreOffset = null;
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175 BigDecimal porosity = null;
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176 vals[0] = vals[0].replace(",", ".");
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177 vals[2] = vals[2].replace(",", ".");
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178 try {
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179 km = new BigDecimal(vals[0]);
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180 porosity = new BigDecimal(vals[2]);
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181 if (!vals[1].isEmpty()) {
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182 vals[1] = vals[1].replace(",", ".");
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183 shoreOffset = new BigDecimal(vals[1]);
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184 }
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185 }
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186 catch(NumberFormatException nfe) {
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187 log.warn("Unparsable number in line: " + line, nfe);
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188 }
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189
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190 if (km == null || porosity == null) {
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191 log.warn("PP: No km nor porosity given. Skip line");
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192 return;
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193 }
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194 log.debug("add new value.");
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195 current.addValue(new ImportPorosityValue(
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196 km,
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197 shoreOffset,
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198 porosity,
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199 currentDescription));
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200 }
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201
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202
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203 public List<ImportPorosity> getPorosities() {
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204 return porosities;
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205 }
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206 }
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207 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org