Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/WaterlevelParser.java @ 6282:62dca91ca229

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Switch wst-kind of waterlevel/-differences (7 and 6).
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 12 Jun 2013 10:26:45 +0200
parents 4c3ccf2b0304
children 550cb41d37d9
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
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 java.io.File;
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12 import java.io.IOException;
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13 import java.math.BigDecimal;
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14 import java.text.NumberFormat;
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15 import java.text.ParseException;
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16 import java.util.ArrayList;
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17 import java.util.List;
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18 import java.util.regex.Matcher;
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19 import java.util.regex.Pattern;
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20
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21 import org.apache.log4j.Logger;
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22
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23 import org.dive4elements.river.importer.ImportUnit;
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24
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25 import org.dive4elements.river.importer.ImportRange;
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26 import org.dive4elements.river.importer.ImportWst;
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27 import org.dive4elements.river.importer.ImportWstColumn;
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28 import org.dive4elements.river.importer.ImportWstColumnValue;
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29 import org.dive4elements.river.importer.ImportWstQRange;
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30
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31
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32 /**
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33 * Parse CSV Waterlevel files.
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34 * As these waterlevels are probably used in fixation analysis
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35 * only, functionality to export them to "fixation"-wsts
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36 * has been added (the ImportWaterlevel*- stuff is actually
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37 * not needed to do so.)
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38 */
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39 public class WaterlevelParser extends LineParser {
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40
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41 private static final Logger log = Logger.getLogger(WaterlevelParser.class);
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42
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43 private static final NumberFormat nf =
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44 NumberFormat.getInstance(DEFAULT_LOCALE);
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45
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46 private static final Pattern META_Q_RANGE =
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47 Pattern.compile("Abfluss\\s\\[(.*)\\];(.*)");
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48
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49 public static final Pattern META_UNIT =
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50 Pattern.compile("^Einheit: \\[(.*)\\].*");
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51
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52 private List<ImportWst> waterlevels;
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53
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54 private ImportWst current;
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55
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56 /** The Waterlevel-Wst s will always have but one column. */
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57 private ImportWstColumn column;
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58
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59 /** The current (incomplete) Q Range. */
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60 private ImportWstQRange currentQRange;
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61
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62 /** The current (incomplete) km range for Q Range. */
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63 private ImportRange currentRange;
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64
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65 private String currentDescription;
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66
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67
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68 public WaterlevelParser() {
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69 waterlevels = new ArrayList<ImportWst>();
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70 }
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71
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72
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73 public List<ImportWst> getWaterlevels() {
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74 return waterlevels;
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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 public void parse(File file) throws IOException {
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80 currentDescription = file.getName();
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81
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82 super.parse(file);
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83 }
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84
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85
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86 @Override
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87 protected void reset() {
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88 currentQRange = null;
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89 current = new ImportWst(currentDescription);
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90 current.setNumberColumns(1);
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91 column = current.getColumn(0);
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92 column.setName(currentDescription);
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93 column.setDescription(currentDescription);
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94 current.setKind(7);
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95 }
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96
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97
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98 @Override
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99 protected void finish() {
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100 if (current != null) {
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101 if (currentQRange != null) {
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102 List<ImportWstColumnValue> cValues = column.getColumnValues();
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103 // Set end of range to last station.
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104 currentRange.setB(cValues.get(cValues.size() -1).getPosition());
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105 currentQRange.setRange(currentRange);
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106 column.addColumnQRange(currentQRange);
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107 }
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108
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109 waterlevels.add(current);
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110 }
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111 }
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112
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113 @Override
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114 protected void handleLine(int lineNum, String line) {
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115 if (line.startsWith(START_META_CHAR)) {
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116 handleMetaLine(stripMetaLine(line));
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117 return;
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118 }
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119 else if (handleQRange(line)) {
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120 return;
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121 }
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122 else {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
123 handleDataLine(line);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
124 return;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
125 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
126 }
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
127
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
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128
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
129 private void handleMetaLine(String meta) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
130 Matcher m = META_UNIT.matcher(meta);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
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131
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
132 if (m.matches()) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
133 String unit = m.group(1);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
134 log.debug("Found unit: '" + unit + "'");
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
135
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
136 current.setUnit(new ImportUnit(unit));
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
137 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
138 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
139
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
140
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
141 private boolean handleQRange(String line) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
142 Matcher m = META_Q_RANGE.matcher(line);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
143
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
144 if (m.matches()) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
145 String unitStr = m.group(1);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
146 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
147 try {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
148 if (currentQRange != null) {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
149 // Finish off the last one.
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
150 List<ImportWstColumnValue> cValues = column.getColumnValues();
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
151 // 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
152 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
153 currentQRange.setRange(currentRange);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
154 column.addColumnQRange(currentQRange);
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
155 }
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
156 currentQRange = new ImportWstQRange(null,
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
157 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
158 currentRange = new ImportRange();
2845
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 log.debug("Found new Q range: Q=" + valueStr);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
161
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
162 return true;
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 catch (ParseException pe) {
5490
b3dd14fc13a6 Parsers: do not call warnings error
Tom Gottfried <tom.gottfried@intevation.de>
parents: 5264
diff changeset
165 log.warn("Unparseable Q range: '" + line + "'");
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
166 }
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
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
169 return false;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
170 }
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 private void handleDataLine(String line) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
174 String[] cols = line.split(SEPERATOR_CHAR);
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
175
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
176 if (cols == null || cols.length < 2) {
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
177 log.warn("skip invalid waterlevel line: '" + line + "'");
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
178 return;
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
179 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
180
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
181 try {
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
182 // 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
183 Double station = nf.parse(cols[0]).doubleValue();
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
184 Double value = nf.parse(cols[1]).doubleValue();
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
185
5240
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
186 BigDecimal stationBD = new BigDecimal(station);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
187
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
188 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
189
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
190 if (currentRange.getA() == null) {
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
191 currentRange.setA(stationBD);
9c024718bffb WaterlevelParser: Use Wst-structures directly (instead of Waterlevel*).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5231
diff changeset
192 }
2845
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
193 }
a65b5b0ade6f Completed the MINFO waterlevel import.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2844
diff changeset
194 catch (ParseException pe) {
5490
b3dd14fc13a6 Parsers: do not call warnings error
Tom Gottfried <tom.gottfried@intevation.de>
parents: 5264
diff changeset
195 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
196 }
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
197 }
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
198 }
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
199 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org