Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/StaFileParser.java @ 5844:4dd33b86dc61

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Added header to river backend.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 26 Apr 2013 08:25:41 +0200
parents 5aa05a7a34b7
children 24f9c5146384
rev   line source
5844
4dd33b86dc61 Added header to river backend.
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.io.LineNumberReader;
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14 import java.io.FileInputStream;
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15 import java.io.InputStreamReader;
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16
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17 import java.math.BigDecimal;
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18
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19 import java.util.regex.Pattern;
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20 import java.util.regex.Matcher;
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21
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22 import java.util.Date;
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23 import java.util.HashMap;
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24 import java.util.ArrayList;
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25 import java.util.List;
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26
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27 import org.apache.log4j.Logger;
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28
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29 import org.dive4elements.river.importer.ImportMainValueType;
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30 import org.dive4elements.river.importer.ImportMainValue;
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31 import org.dive4elements.river.importer.ImportNamedMainValue;
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32 import org.dive4elements.river.importer.ImportGauge;
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33 import org.dive4elements.river.importer.ImportTimeInterval;
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34 import org.dive4elements.river.utils.DateGuesser;
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35
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36 public class StaFileParser
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37 {
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38 private static Logger log = Logger.getLogger(StaFileParser.class);
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39
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40 public static final String ENCODING = "ISO-8859-1";
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41
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42 public static final String TYPES =
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43 System.getProperty("flys.backend.main.value.types", "QWTD");
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44
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45 public static final boolean NOT_PARSE_GAUGE_NUMBERS =
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46 Boolean.getBoolean("flys.backend.sta.not.parse.gauge.numbers");
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47
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48 public static final Pattern QWTD_ =
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49 Pattern.compile("\\s*([^\\s]+)\\s+([^\\s]+)\\s+([" +
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50 Pattern.quote(TYPES) + "]).*");
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51
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52 public static final class NameAndTimeInterval {
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53 private String name;
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54 private ImportTimeInterval timeInterval;
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55
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56 public NameAndTimeInterval(String name) {
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57 this(name, null);
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58 }
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59
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60 public NameAndTimeInterval(String name, ImportTimeInterval timeInterval) {
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61 this.name = name;
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62 this.timeInterval = timeInterval;
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63 }
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64
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65 public String getName() {
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66 return name;
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67 }
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68
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69 public ImportTimeInterval getTimeInterval() {
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70 return timeInterval;
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71 }
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72 } // class NameAndTimeInterval
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73
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74 public StaFileParser() {
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75 }
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76
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77 public boolean parse(ImportGauge gauge) throws IOException {
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78
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79 File file = gauge.getStaFile();
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80
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81 log.info("parsing STA file: " + file);
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82 LineNumberReader in = null;
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83 try {
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84 in =
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85 new LineNumberReader(
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86 new InputStreamReader(
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87 new FileInputStream(file), ENCODING));
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88
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89 String line = in.readLine();
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90
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91 if (line == null) {
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92 log.warn("STA file is empty.");
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93 return false;
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94 }
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95
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96 if (line.length() < 37) {
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97 log.warn("First line in STA file is too short.");
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98 return false;
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99 }
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100
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101 String gaugeName = line.substring(16, 28).trim();
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102
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103 Long gaugeNumber = null;
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104
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105 if (!NOT_PARSE_GAUGE_NUMBERS) {
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106 String gaugeNumberString = line.substring(8, 16).trim();
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107
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108 try {
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109 gaugeNumber = Long.parseLong(gaugeNumberString);
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110 }
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111 catch (NumberFormatException nfe) {
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112 log.warn("STA: '" + gaugeNumberString +
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113 "' is not a valid long number.");
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114 }
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115 }
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116
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117 gauge.setName(gaugeName);
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118 gauge.setOfficialNumber(gaugeNumber);
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119
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120 if (log.isDebugEnabled()) {
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121 log.debug(
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122 "name/number: '" + gaugeName + "' '" + gaugeNumber + "'");
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123 }
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124
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125 String [] values = line.substring(38).trim().split("\\s+", 2);
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126
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127 if (values.length < 2) {
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128 log.warn("STA: Not enough columns for aeo and datum.");
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129 }
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130 try {
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parents:
diff changeset
131 gauge.setAeo(new BigDecimal(values[0].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
132 gauge.setDatum(new BigDecimal(values[1].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
133 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
135 log.warn("STA: cannot parse aeo or datum.");
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
136 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 line = in.readLine();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 if (line == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 log.warn("STA file has not enough lines");
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 if (line.length() < 36) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
147 log.warn("STA: second line is too short");
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
150
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 gauge.setStation(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 new BigDecimal(line.substring(29, 36).trim()));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
156 log.warn("STA: parsing of the datum of the gauge failed");
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
158 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
159
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
160 // overread the next six lines
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 for (int i = 0; i < 6; ++i) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 if ((line = in.readLine()) == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 log.warn("STA file is too short");
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
165 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
166 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 HashMap<String, ImportMainValueType> types =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 new HashMap<String, ImportMainValueType>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 ArrayList<ImportNamedMainValue> namedMainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 new ArrayList<ImportNamedMainValue>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 ArrayList<ImportMainValue> mainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 new ArrayList<ImportMainValue>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 while ((line = in.readLine()) != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 Matcher m = QWTD_.matcher(line);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 if (m.matches()) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 BigDecimal value;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 value = new BigDecimal(m.group(2).replace(",", "."));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
185 log.warn("STA: value not parseable in line "
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 + in.getLineNumber());
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 continue;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 String typeString = m.group(3);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 log.debug("\t type: " + typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 ImportMainValueType type = types.get(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 if (type == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 type = new ImportMainValueType(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 types.put(typeString, type);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 String name = m.group(1);
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
197 NameAndTimeInterval nat = parseName(name);
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 ImportNamedMainValue namedMainValue =
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
199 new ImportNamedMainValue(type, nat.getName());
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 namedMainValues.add(namedMainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
202 ImportMainValue mainValue = new ImportMainValue(
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
203 gauge,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
204 namedMainValue,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
205 value,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
206 nat.getTimeInterval());
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 mainValues.add(mainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 else {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 // TODO: treat as a comment
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 gauge.setMainValueTypes(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 new ArrayList<ImportMainValueType>(types.values()));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216 gauge.setNamedMainValues(namedMainValues);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217 gauge.setMainValues(mainValues);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 finally {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 if (in != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 in.close();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
223 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 log.info("finished parsing STA file: " + file);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 return true;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 }
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
227
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
228 protected NameAndTimeInterval parseName(String name) {
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
229 List<String> result = new ArrayList<String>();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
230
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
231 unbracket(name, 0, result);
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
232
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
233 int length = result.size();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
234
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
235 if (length < 1) { // Should not happen.
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
236 return new NameAndTimeInterval(name);
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
237 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
238
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
239 if (length == 1) { // No date at all -> use first part.
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
240 return new NameAndTimeInterval(result.get(0).trim());
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
241 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
242
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
243 if (length == 2) { // e.g. W(1994) or W(1994 - 1999)
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
244 String type = result.get(0).trim();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
245
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
246 ImportTimeInterval timeInterval = getTimeInterval(
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
247 result.get(1).trim());
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
248
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
249 if (timeInterval == null) { // No date at all.
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
250 type = name;
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
251 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
252
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
253 return new NameAndTimeInterval(type, timeInterval);
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
254 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
255
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
256 if (length == 3) { // e.g W(Q(1994)) or W(Q(1994 - 1999))
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
257
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
258 String type =
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
259 result.get(0).trim() + "(" +
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
260 result.get(1).trim() + ")";
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
261
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
262 ImportTimeInterval timeInterval = getTimeInterval(
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
263 result.get(2).trim());
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
264
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
265 if (timeInterval == null) { // No date at all.
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266 type = name;
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267 }
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268
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269 return new NameAndTimeInterval(type, timeInterval);
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270 }
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271
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272 // more than 3 elements return unmodified.
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273
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274 return new NameAndTimeInterval(name);
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275 }
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276
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277 private static ImportTimeInterval getTimeInterval(String datePart) {
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278
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279 int minus = datePart.indexOf('-');
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280
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281 if (minus < 0) { // '-' not found
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282
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283 Date date = null;
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284 try {
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285 date = DateGuesser.guessDate(datePart);
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286 }
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287 catch (IllegalArgumentException iae) {
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288 log.warn("STA: Invalid date '" + datePart + "'");
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289 return null;
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290 }
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291
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292 return new ImportTimeInterval(date);
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293 }
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294
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295 // Found '-' so we have <from> - <to>
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296 String startPart = datePart.substring(0, minus).trim();
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297 String endPart = datePart.substring(minus).trim();
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298
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299 Date startDate = null;
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300 Date endDate = null;
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301
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302 try {
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303 startDate = DateGuesser.guessDate(startPart);
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304 }
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305 catch (IllegalArgumentException iae) {
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306 log.warn("STA: Invalid start date '" + startPart + "'");
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307 }
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308
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309 try {
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310 endDate = DateGuesser.guessDate(endPart);
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311 }
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312 catch (IllegalArgumentException iae) {
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313 log.warn("STA: Invalid end date '" + endPart + "'");
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314 }
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315
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316 if (startDate == null) {
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317 log.warn("STA: Need start date.");
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318 return null;
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319 }
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320
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321 return new ImportTimeInterval(startDate, endDate);
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322 }
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323
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324 private static int unbracket(String s, int index, List<String> result) {
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325 StringBuilder sb = new StringBuilder();
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326 int length = s.length();
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327 while (index < length) {
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328 char c = s.charAt(index);
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329 switch (c) {
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330 case '(':
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331 index = unbracket(s, index+1, result);
5735
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332 break;
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333 case ')':
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334 result.add(0, sb.toString());
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335 return index+1;
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336 default:
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337 sb.append(c);
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338 ++index;
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339 }
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340 }
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341 result.add(0, sb.toString());
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342
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343 return index;
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344 }
1211
f08fe480092c Moved file parsers to separate package.
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345 }
f08fe480092c Moved file parsers to separate package.
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346 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org