Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/WaterlevelDifferencesParser.java @ 4198:1cdbd8a0c994

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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>
date Mon, 22 Oct 2012 13:31:25 +0200
parents f63b39799d2d
children 016616df35dc
rev   line source
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a1402c16152f Added a parser and importer classes used to import waterlevel differences.
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1 package de.intevation.flys.importer.parsers;
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2
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3 import java.io.File;
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4 import java.io.IOException;
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5 import java.text.NumberFormat;
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6 import java.text.ParseException;
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7 import java.util.ArrayList;
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8 import java.util.List;
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9 import java.util.regex.Matcher;
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10 import java.util.regex.Pattern;
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11
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12 import org.apache.log4j.Logger;
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13
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14 import de.intevation.flys.importer.ImportUnit;
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15 import de.intevation.flys.importer.ImportWaterlevelDifference;
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16 import de.intevation.flys.importer.ImportWaterlevelDifferenceColumn;
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17 import de.intevation.flys.importer.ImportWaterlevelDifferenceValue;
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18
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19
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20 public class WaterlevelDifferencesParser extends LineParser {
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21
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22 private static final Logger log =
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23 Logger.getLogger(WaterlevelDifferencesParser.class);
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24
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25 private static final NumberFormat nf =
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26 NumberFormat.getInstance(DEFAULT_LOCALE);
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27
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28 public static final Pattern META_UNIT =
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29 Pattern.compile("^Einheit: \\[(.*)\\].*");
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30
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31
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32 private List<ImportWaterlevelDifference> differences;
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33
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34 private ImportWaterlevelDifferenceColumn[] columns;
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35
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36 private ImportWaterlevelDifference current;
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37
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38
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39 public WaterlevelDifferencesParser() {
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40 differences = new ArrayList<ImportWaterlevelDifference>();
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41 }
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42
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43
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44 public List<ImportWaterlevelDifference> getDifferences() {
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45 return differences;
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46 }
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47
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48
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49 @Override
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50 public void parse(File file) throws IOException {
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51 current = new ImportWaterlevelDifference(file.getName());
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52
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53 super.parse(file);
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54 }
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55
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56
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57 @Override
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58 protected void reset() {
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59 }
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60
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61
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62 @Override
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63 protected void finish() {
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64 if (columns != null && current != null) {
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65 for (ImportWaterlevelDifferenceColumn col: columns) {
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66 current.addValue(col);
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67 }
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68
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69 differences.add(current);
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70 }
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71
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72 current = null;
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73 columns = null;
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74 }
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75
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76 @Override
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77 protected void handleLine(int lineNum, String line) {
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78 if (line.startsWith(START_META_CHAR)) {
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79 handleMetaLine(stripMetaLine(line));
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80 }
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81 else {
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82 handleDataLine(line);
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83 }
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84 }
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85
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86
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87 private void handleMetaLine(String meta) {
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88 if (handleMetaUnit(meta)) {
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89 return;
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90 }
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91 else {
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92 handleMetaColumnNames(meta);
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93 }
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94 }
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95
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96
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97 private boolean handleMetaUnit(String meta) {
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98 Matcher m = META_UNIT.matcher(meta);
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99
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100 if (m.matches()) {
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101 String unit = m.group(1);
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102 log.debug("Found unit: '" + unit + "'");
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103
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104 current.setUnit(new ImportUnit(unit));
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105
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106 return true;
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107 }
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108
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109 return false;
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110 }
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111
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112
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113 private boolean handleMetaColumnNames(String meta) {
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114 Pattern META_COLUMN_NAMES = Pattern.compile("Fluss-km;(.*)");
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115 Matcher m = META_COLUMN_NAMES.matcher(meta);
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116
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117 if (m.matches()) {
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118 String colStr = m.group(1);
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119 String[] cols = colStr.split(SEPERATOR_CHAR);
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120
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121 log.debug("Found " + cols.length + " columns.");
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122
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123 initColumns(cols);
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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
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132 private void initColumns(String[] cols) {
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133 columns = new ImportWaterlevelDifferenceColumn[cols.length];
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134
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135 for (int i = 0; i < cols.length; i++) {
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136 String name = cols[i].replace("\"", "");
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137
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138 log.debug("Create new column '" + name + "'");
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139 columns[i] = new ImportWaterlevelDifferenceColumn(name);
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140 }
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141 }
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142
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143
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144 private void handleDataLine(String line) {
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145 String[] cols = line.split(SEPERATOR_CHAR);
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146
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147 if (cols == null || cols.length < 2) {
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148 log.warn("skip invalid waterlevel line: '" + line + "'");
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149 return;
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150 }
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151
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152 try {
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153 Double station = nf.parse(cols[0]).doubleValue();
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154
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155 for (int i = 0; i < columns.length; i++) {
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156 int idx = i+1;
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157
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158 if (idx >= cols.length) {
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159 log.warn("Insufficient column numbers: " + line);
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160 continue;
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161 }
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162
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163 String value = cols[idx];
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164
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165 try {
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166 columns[i].addValue(new ImportWaterlevelDifferenceValue(
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167 station,
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168 nf.parse(value).doubleValue()
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169 ));
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170 }
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171 catch (ParseException pe) {
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172 log.warn("Error while parsing value: '" + value + "'");
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173 }
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174 }
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175 }
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176 catch (ParseException pe) {
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177 log.warn("Error while parsing station: '" + line + "'");
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178 }
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179 }
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180 }
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181 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org