Mercurial > dive4elements > river

annotate flys-backend/src/main/java/org/dive4elements/river/importer/parsers/WaterlevelParser.java @ 5829:18619c1e7c2a

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Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 11:54:36 +0200
parents dfb26b03b179
children
rev   line source
5829
18619c1e7c2a Repaired internal references.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5828
diff changeset
1 package org.dive4elements.river.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.math.BigDecimal;
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6 import java.text.NumberFormat;
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7 import java.text.ParseException;
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8 import java.util.ArrayList;
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9 import java.util.List;
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10 import java.util.regex.Matcher;
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11 import java.util.regex.Pattern;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.dive4elements.river.importer.ImportUnit;
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16
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17 import org.dive4elements.river.importer.ImportRange;
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18 import org.dive4elements.river.importer.ImportWst;
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19 import org.dive4elements.river.importer.ImportWstColumn;
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20 import org.dive4elements.river.importer.ImportWstColumnValue;
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21 import org.dive4elements.river.importer.ImportWstQRange;
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22
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23
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24 /**
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25 * Parse CSV Waterlevel files.
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26 * As these waterlevels are probably used in fixation analysis
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27 * only, functionality to export them to "fixation"-wsts
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28 * has been added (the ImportWaterlevel*- stuff is actually
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29 * not needed to do so.)
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30 */
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31 public class WaterlevelParser extends LineParser {
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32
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33 private static final Logger log = Logger.getLogger(WaterlevelParser.class);
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34
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35 private static final NumberFormat nf =
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36 NumberFormat.getInstance(DEFAULT_LOCALE);
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37
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38 private static final Pattern META_Q_RANGE =
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39 Pattern.compile("Abfluss\\s\\[(.*)\\];(.*)");
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40
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41 public static final Pattern META_UNIT =
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42 Pattern.compile("^Einheit: \\[(.*)\\].*");
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43
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44 private List<ImportWst> waterlevels;
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45
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46 private ImportWst current;
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47
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48 /** The Waterlevel-Wst s will always have but one column. */
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49 private ImportWstColumn column;
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50
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51 /** The current (incomplete) Q Range. */
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52 private ImportWstQRange currentQRange;
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53
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54 /** The current (incomplete) km range for Q Range. */
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55 private ImportRange currentRange;
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56
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57 private String currentDescription;
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58
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59
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60 public WaterlevelParser() {
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61 waterlevels = new ArrayList<ImportWst>();
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62 }
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63
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64
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65 public List<ImportWst> getWaterlevels() {
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66 return waterlevels;
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67 }
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68
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69
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70 @Override
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71 public void parse(File file) throws IOException {
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72 currentDescription = file.getName();
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73
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74 super.parse(file);
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75 }
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76
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77
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78 @Override
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79 protected void reset() {
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80 currentQRange = null;
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81 current = new ImportWst(currentDescription);
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82 current.setNumberColumns(1);
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83 column = current.getColumn(0);
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84 column.setName(currentDescription);
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85 column.setDescription(currentDescription);
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86 current.setKind(6);
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87 }
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88
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89
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90 @Override
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91 protected void finish() {
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92 if (current != null) {
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93 if (currentQRange != null) {
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94 List<ImportWstColumnValue> cValues = column.getColumnValues();
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95 // Set end of range to last station.
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96 currentRange.setB(cValues.get(cValues.size() -1).getPosition());
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97 currentQRange.setRange(currentRange);
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98 column.addColumnQRange(currentQRange);
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99 }
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100
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101 waterlevels.add(current);
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102 }
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103 }
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104
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105 @Override
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106 protected void handleLine(int lineNum, String line) {
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107 if (line.startsWith(START_META_CHAR)) {
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108 handleMetaLine(stripMetaLine(line));
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109 return;
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110 }
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111 else if (handleQRange(line)) {
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112 return;
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113 }
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114 else {
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115 handleDataLine(line);
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116 return;
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117 }
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118 }
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119
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120
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121 private void handleMetaLine(String meta) {
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122 Matcher m = META_UNIT.matcher(meta);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
123
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
124 if (m.matches()) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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125 String unit = m.group(1);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
126 log.debug("Found unit: '" + unit + "'");
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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127
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
128 current.setUnit(new ImportUnit(unit));
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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129 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
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130 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
131
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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132
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
133 private boolean handleQRange(String line) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
134 Matcher m = META_Q_RANGE.matcher(line);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
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135
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
136 if (m.matches()) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
137 String unitStr = m.group(1);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
138 String valueStr = m.group(2);
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
139 try {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
140 if (currentQRange != null) {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
141 // Finish off the last one.
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
142 List<ImportWstColumnValue> cValues = column.getColumnValues();
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
143 // Set end of range to last station.
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
144 currentRange.setB(cValues.get(cValues.size() -1).getPosition());
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
145 currentQRange.setRange(currentRange);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
146 column.addColumnQRange(currentQRange);
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
147 }
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
148 currentQRange = new ImportWstQRange(null,
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
149 new BigDecimal(nf.parse(valueStr).doubleValue()));
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
150 currentRange = new ImportRange();
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
151
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
152 log.debug("Found new Q range: Q=" + valueStr);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
153
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
154 return true;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
155 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
156 catch (ParseException pe) {
5490
b3dd14fc13a6 Parsers: do not call warnings error
Tom Gottfried <tom.gottfried@intevation.de>
parents: 5264
diff changeset
157 log.warn("Unparseable Q range: '" + line + "'");
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
158 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
159 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
160
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
161 return false;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
162 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
163
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
164
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
165 private void handleDataLine(String line) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
166 String[] cols = line.split(SEPERATOR_CHAR);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
167
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
168 if (cols == null || cols.length < 2) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
169 log.warn("skip invalid waterlevel line: '" + line + "'");
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
170 return;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
171 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
172
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
173 try {
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
174 // Store the value and remember the position for QRange, if needed.
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
175 Double station = nf.parse(cols[0]).doubleValue();
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
176 Double value = nf.parse(cols[1]).doubleValue();
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
177
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
178 BigDecimal stationBD = new BigDecimal(station);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
179
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
180 column.addColumnValue(stationBD, new BigDecimal(value));
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
181
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
182 if (currentRange.getA() == null) {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
183 currentRange.setA(stationBD);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
184 }
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
185 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
186 catch (ParseException pe) {
5490
b3dd14fc13a6 Parsers: do not call warnings error
Tom Gottfried <tom.gottfried@intevation.de>
parents: 5264
diff changeset
187 log.warn("Unparseable number in data row: " + line);
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
188 }
2844
c4db0f75a94a Prepared the importer to import MINFO specific waterlevel values and added a stub for a parser.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
189 }
c4db0f75a94a Prepared the importer to import MINFO specific waterlevel values and added a stub for a parser.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
190 }
c4db0f75a94a Prepared the importer to import MINFO specific waterlevel values and added a stub for a parser.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
191 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org