Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/StaFileParser.java @ 5954:f944cc25484c

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STA parser: Spaces after gauge name given in spec are sometimes used for gauge name, so parse them
author Tom Gottfried <tom.gottfried@intevation.de>
date Wed, 08 May 2013 18:21:27 +0200
parents 24f9c5146384
children b819209732a0
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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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 // TODO: To be extented.
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53 private static final Pattern MAIN_VALUE = Pattern.compile(
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54 "^(HQ|MHW|GLQ|NMQ|HQEXT)(\\d*)$");
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55
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56 private static boolean isMainValue(String s) {
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57 s = s.replace(" ", "").toUpperCase();
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58 return MAIN_VALUE.matcher(s).matches();
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59 }
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60
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61
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62 public static final class NameAndTimeInterval {
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63 private String name;
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64 private ImportTimeInterval timeInterval;
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65
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66 public NameAndTimeInterval(String name) {
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67 this(name, null);
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68 }
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69
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70 public NameAndTimeInterval(String name, ImportTimeInterval timeInterval) {
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71 this.name = name;
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72 this.timeInterval = timeInterval;
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73 }
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74
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75 public String getName() {
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76 return name;
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77 }
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78
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79 public ImportTimeInterval getTimeInterval() {
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80 return timeInterval;
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81 }
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82
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83 @Override
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84 public String toString() {
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85 return "name: " + name + " time interval: " + timeInterval;
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86 }
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87 } // class NameAndTimeInterval
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88
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89 public StaFileParser() {
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90 }
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91
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92 public boolean parse(ImportGauge gauge) throws IOException {
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93
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94 File file = gauge.getStaFile();
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95
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96 log.info("parsing STA file: " + file);
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97 LineNumberReader in = null;
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98 try {
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99 in =
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100 new LineNumberReader(
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101 new InputStreamReader(
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102 new FileInputStream(file), ENCODING));
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103
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104 String line = in.readLine();
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105
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106 if (line == null) {
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107 log.warn("STA file is empty.");
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108 return false;
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109 }
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110
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111 if (line.length() < 37) {
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112 log.warn("First line in STA file is too short.");
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113 return false;
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114 }
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115
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116 String gaugeName = line.substring(16, 35).trim();
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117
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118 Long gaugeNumber = null;
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119
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120 if (!NOT_PARSE_GAUGE_NUMBERS) {
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121 String gaugeNumberString = line.substring(8, 16).trim();
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122
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123 try {
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124 gaugeNumber = Long.parseLong(gaugeNumberString);
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125 }
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126 catch (NumberFormatException nfe) {
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127 log.warn("STA: '" + gaugeNumberString +
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128 "' is not a valid long number.");
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129 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
130 }
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
131
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
132 gauge.setName(gaugeName);
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
133 gauge.setOfficialNumber(gaugeNumber);
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
134
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
135 if (log.isDebugEnabled()) {
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
136 log.debug(
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
137 "name/number: '" + gaugeName + "' '" + gaugeNumber + "'");
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
138 }
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 String [] values = line.substring(38).trim().split("\\s+", 2);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 if (values.length < 2) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
143 log.warn("STA: Not enough columns for aeo and datum.");
1211
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 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 gauge.setAeo(new BigDecimal(values[0].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
147 gauge.setDatum(new BigDecimal(values[1].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
148 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
149 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
150 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
151 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 line = in.readLine();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
155
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 if (line == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
157 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
158 return false;
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
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
161 if (line.length() < 36) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
162 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
163 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
164 }
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 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
167 gauge.setStation(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 new BigDecimal(line.substring(29, 36).trim()));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
169 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
170 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
171 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
172 return false;
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
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 // overread the next six lines
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 for (int i = 0; i < 6; ++i) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 if ((line = in.readLine()) == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 log.warn("STA file is too short");
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
180 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
181 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
183 HashMap<String, ImportMainValueType> types =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
184 new HashMap<String, ImportMainValueType>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186 ArrayList<ImportNamedMainValue> namedMainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 new ArrayList<ImportNamedMainValue>();
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 ArrayList<ImportMainValue> mainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 new ArrayList<ImportMainValue>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 while ((line = in.readLine()) != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 Matcher m = QWTD_.matcher(line);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 if (m.matches()) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195 BigDecimal value;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
196 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 value = new BigDecimal(m.group(2).replace(",", "."));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
198 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
199 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
200 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
201 + in.getLineNumber());
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 continue;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 String typeString = m.group(3);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 log.debug("\t type: " + typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206 ImportMainValueType type = types.get(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207 if (type == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 type = new ImportMainValueType(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 types.put(typeString, type);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 String name = m.group(1);
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
212 NameAndTimeInterval nat = parseName(name);
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 ImportNamedMainValue namedMainValue =
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
214 new ImportNamedMainValue(type, nat.getName());
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 namedMainValues.add(namedMainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
216
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
217 ImportMainValue mainValue = new ImportMainValue(
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
218 gauge,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
219 namedMainValue,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
220 value,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
221 nat.getTimeInterval());
1211
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 mainValues.add(mainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
224 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 else {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 // TODO: treat as a comment
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
228 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
229 gauge.setMainValueTypes(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230 new ArrayList<ImportMainValueType>(types.values()));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
231 gauge.setNamedMainValues(namedMainValues);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 gauge.setMainValues(mainValues);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
233 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
234 finally {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 if (in != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236 in.close();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
237 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
238 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
239 log.info("finished parsing STA file: " + file);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
240 return true;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
241 }
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
242
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
243 protected static NameAndTimeInterval parseName(String name) {
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
244 List<String> result = new ArrayList<String>();
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 unbracket(name, 0, result);
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
247
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
248 int length = result.size();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
249
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
250 if (length < 1) { // Should not happen.
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
251 return new NameAndTimeInterval(name);
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
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
254 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
255 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
256 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
257
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
258 if (length == 2) { // e.g. HQ(1994) or HQ(1994 - 1999)
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
259
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
260 String type = result.get(0).trim();
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
261 ImportTimeInterval timeInterval = null;
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
262
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
263 String datePart = result.get(1).trim();
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diff changeset
264 if (isMainValue(datePart)) { // e.g. W(HQ100)
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diff changeset
265 type += "(" + datePart + ")";
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diff changeset
266 timeInterval = null;
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diff changeset
267 }
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diff changeset
268 else {
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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diff changeset
269 timeInterval = getTimeInterval(result.get(1).trim());
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270
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diff changeset
271 if (timeInterval == null) { // No date at all.
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272 type = name;
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273 }
5735
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274 }
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275
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276 return new NameAndTimeInterval(type, timeInterval);
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277 }
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278
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diff changeset
279 if (length == 3) { // e.g W(Q(1994)) or W(Q(1994 - 1999))
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280
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281 String type =
5902
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diff changeset
282 result.get(0).trim() + "(" +
5735
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283 result.get(1).trim() + ")";
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284
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diff changeset
285 ImportTimeInterval timeInterval = getTimeInterval(
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diff changeset
286 result.get(2).trim());
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diff changeset
287
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diff changeset
288 if (timeInterval == null) { // No date at all.
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diff changeset
289 type = name;
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290 }
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291
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292 return new NameAndTimeInterval(type, timeInterval);
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293 }
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294
5736
ab4419948655 Backend: Forgot to handle the unlikely case that there are more than 2 nested brackets in main values.
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diff changeset
295 // more than 3 elements return unmodified.
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diff changeset
296
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297 return new NameAndTimeInterval(name);
5735
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298 }
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299
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300 private static ImportTimeInterval getTimeInterval(String datePart) {
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301
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
302 int minus = datePart.indexOf('-');
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diff changeset
303
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diff changeset
304 if (minus < 0) { // '-' not found
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305
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diff changeset
306 Date date = null;
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diff changeset
307 try {
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diff changeset
308 date = DateGuesser.guessDate(datePart);
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diff changeset
309 }
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diff changeset
310 catch (IllegalArgumentException iae) {
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diff changeset
311 log.warn("STA: Invalid date '" + datePart + "'");
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diff changeset
312 return null;
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diff changeset
313 }
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diff changeset
314
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diff changeset
315 return new ImportTimeInterval(date);
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diff changeset
316 }
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diff changeset
317
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diff changeset
318 // Found '-' so we have <from> - <to>
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diff changeset
319 String startPart = datePart.substring(0, minus).trim();
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diff changeset
320 String endPart = datePart.substring(minus).trim();
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diff changeset
321
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diff changeset
322 Date startDate = null;
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diff changeset
323 Date endDate = null;
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diff changeset
324
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diff changeset
325 try {
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diff changeset
326 startDate = DateGuesser.guessDate(startPart);
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diff changeset
327 }
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
328 catch (IllegalArgumentException iae) {
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
329 log.warn("STA: Invalid start date '" + startPart + "'");
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diff changeset
330 }
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
331
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
332 try {
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diff changeset
333 endDate = DateGuesser.guessDate(endPart);
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diff changeset
334 }
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
335 catch (IllegalArgumentException iae) {
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
336 log.warn("STA: Invalid end date '" + endPart + "'");
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parents: 5691
diff changeset
337 }
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
338
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
339 if (startDate == null) {
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
340 log.warn("STA: Need start date.");
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diff changeset
341 return null;
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parents: 5691
diff changeset
342 }
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
343
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
344 return new ImportTimeInterval(startDate, endDate);
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diff changeset
345 }
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
346
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diff changeset
347 private static int unbracket(String s, int index, List<String> result) {
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diff changeset
348 StringBuilder sb = new StringBuilder();
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diff changeset
349 int length = s.length();
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
350 while (index < length) {
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
351 char c = s.charAt(index);
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
352 switch (c) {
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diff changeset
353 case '(':
5738
54077c9c9305 Backend: Fix Stack overflow.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5737
diff changeset
354 index = unbracket(s, index+1, result);
5735
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
355 break;
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
356 case ')':
c75be5205a69 Backend: Parse time intervals for main values.
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diff changeset
357 result.add(0, sb.toString());
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
358 return index+1;
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
359 default:
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
360 sb.append(c);
5737
ce002608992d Backend: Forget to increment index.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5736
diff changeset
361 ++index;
5735
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parents: 5691
diff changeset
362 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
363 }
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
364 result.add(0, sb.toString());
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
365
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
366 return index;
c75be5205a69 Backend: Parse time intervals for main values.
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parents: 5691
diff changeset
367 }
5902
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diff changeset
368
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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parents: 5844
diff changeset
369 /*
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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diff changeset
370 public static void main(String [] args) {
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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parents: 5844
diff changeset
371 for (String arg: args) {
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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parents: 5844
diff changeset
372 NameAndTimeInterval nti = parseName(arg);
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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parents: 5844
diff changeset
373 System.out.println(arg + " -> " + nti);
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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parents: 5844
diff changeset
374 }
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
375 }
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
376 */
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
377 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
378 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org