Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/SedimentDensityParser.java @ 5565:a44a3f997ec8

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Cleanup whitespace. Removed unused variable.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Apr 2013 09:03:34 +0200
parents a2da78fdbec0
children
rev   line source
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3febaed762b8 Added new parser (stub) to read MINFO sediment density files; prepared import process to handle those files.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.importer.parsers;
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2
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a2da78fdbec0 Removed obsolete imports.
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3 import de.intevation.flys.importer.ImportDepth;
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4 import de.intevation.flys.importer.ImportSedimentDensity;
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5 import de.intevation.flys.importer.ImportSedimentDensityValue;
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6
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7 import java.io.File;
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8 import java.io.IOException;
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9
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10 import java.math.BigDecimal;
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11
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12 import java.text.NumberFormat;
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13 import java.text.ParseException;
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15 import java.util.ArrayList;
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16 import java.util.List;
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17
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18 import java.util.regex.Matcher;
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19 import java.util.regex.Pattern;
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21 import org.apache.log4j.Logger;
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23 public class SedimentDensityParser extends LineParser {
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25 private static final Logger log =
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26 Logger.getLogger(SedimentDensityParser.class);
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27
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a44a3f997ec8 Cleanup whitespace. Removed unused variable.
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28 public static final NumberFormat nf =
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29 NumberFormat.getInstance(DEFAULT_LOCALE);
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30
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31 public static final Pattern META_DEPTH =
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32 Pattern.compile("^Tiefe: (\\w++)-(\\w++)( (\\w++))?.*");
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33
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34 protected List<ImportSedimentDensity> sedimentDensities;
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35
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36 protected ImportSedimentDensity current;
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37
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38 protected String currentDescription;
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39
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41 public SedimentDensityParser() {
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42 sedimentDensities = new ArrayList<ImportSedimentDensity>();
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43 }
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45
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46 @Override
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47 public void parse(File file) throws IOException {
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48 currentDescription = file.getName();
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49
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50 super.parse(file);
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51 }
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52
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53
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54 @Override
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55 protected void reset() {
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56 current = new ImportSedimentDensity(currentDescription);
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57 }
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60 @Override
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61 protected void finish() {
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62 if (current != null) {
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63 sedimentDensities.add(current);
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64 }
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65 }
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68 @Override
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69 protected void handleLine(int lineNum, String line) {
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70 if (line.startsWith(START_META_CHAR)) {
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71 handleMetaLine(stripMetaLine(line));
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72 }
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73 else {
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74 handleDataLine(line);
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75 }
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76 }
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77
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78
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79 protected void handleMetaLine(String line) {
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80 if (handleMetaDepth(line)) {
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81 return;
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82 }
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83 else {
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84 log.warn("Unknown meta line: '" + line + "'");
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85 }
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86 }
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87
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88
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89 protected boolean handleMetaDepth(String line) {
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90 Matcher m = META_DEPTH.matcher(line);
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91
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92 if (m.matches()) {
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93 String lo = m.group(1);
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94 String up = m.group(2);
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95
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96 log.info("Found sediment density depth: " + lo + " - " + up + " cm");
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97
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98 try {
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99 ImportDepth depth = new ImportDepth(
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100 new BigDecimal(nf.parse(lo).doubleValue()),
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101 new BigDecimal(nf.parse(up).doubleValue())
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102 );
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103
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104 current.setDepth(depth);
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105
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106 return true;
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107 }
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108 catch (ParseException pe) {
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109 log.warn("Unparseable numbers in: '" + line + "'");
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110 }
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111 }
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112 else {
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113 log.debug("Meta line doesn't contain depth information: " + line);
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114 }
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115
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116 return false;
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117 }
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118
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119
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120 protected void handleDataLine(String line) {
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121 String[] vals = line.split(SEPERATOR_CHAR);
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122
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123 if (vals == null || vals.length < 3) {
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124 log.warn("skip invalid data line: '" + line + "'");
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125 return;
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126 }
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127
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128 BigDecimal km = null;
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129 BigDecimal shoreOffset = null;
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130 BigDecimal density = null;
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131 try {
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132 km = new BigDecimal(nf.parse(vals[0]).doubleValue());
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133 density = new BigDecimal(nf.parse(vals[2]).doubleValue());
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134 if (!vals[1].isEmpty()) {
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135 shoreOffset = new BigDecimal(nf.parse(vals[1]).doubleValue());
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136 }
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137 }
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138 catch (ParseException pe) {
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139 log.warn("Unparseable numbers in '" + line + "'");
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140 }
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141
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142 if (km == null || density == null) {
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143 log.warn("SDP: No km nor density given. Skip line");
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144 return;
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145 }
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146
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147 BigDecimal year = null;
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148
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149 current.addValue(new ImportSedimentDensityValue(
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150 km,
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151 shoreOffset,
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152 density,
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153 year,
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154 currentDescription));
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155 }
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156
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157
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158 public List<ImportSedimentDensity> getSedimentDensities() {
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159 return sedimentDensities;
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160 }
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161 }
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162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org