Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/StaFileParser.java @ 6004:ec54bb4fe407

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Importer: use gauge official number as identifier, not name
author Tom Gottfried <tom.gottfried@intevation.de>
date Mon, 13 May 2013 11:14:38 +0200
parents 4c3ccf2b0304
children 53d08f33d094
rev   line source
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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 Pattern QWTD_ =
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46 Pattern.compile("\\s*([^\\s]+)\\s+([^\\s]+)\\s+([" +
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47 Pattern.quote(TYPES) + "]).*");
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48
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49 // TODO: To be extented.
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50 private static final Pattern MAIN_VALUE = Pattern.compile(
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51 "^(HQ|MHW|GLQ|NMQ|HQEXT)(\\d*)$");
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52
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53 private static boolean isMainValue(String s) {
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54 s = s.replace(" ", "").toUpperCase();
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55 return MAIN_VALUE.matcher(s).matches();
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56 }
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57
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58
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59 public static final class NameAndTimeInterval {
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60 private String name;
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61 private ImportTimeInterval timeInterval;
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62
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63 public NameAndTimeInterval(String name) {
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64 this(name, null);
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65 }
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66
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67 public NameAndTimeInterval(String name, ImportTimeInterval timeInterval) {
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68 this.name = name;
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69 this.timeInterval = timeInterval;
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70 }
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71
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72 public String getName() {
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73 return name;
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74 }
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75
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76 public ImportTimeInterval getTimeInterval() {
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77 return timeInterval;
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78 }
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79
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80 @Override
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81 public String toString() {
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82 return "name: " + name + " time interval: " + timeInterval;
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83 }
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84 } // class NameAndTimeInterval
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85
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86 public StaFileParser() {
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87 }
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88
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89 public boolean parse(ImportGauge gauge) throws IOException {
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90
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91 File file = gauge.getStaFile();
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92
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93 log.info("parsing STA file: " + file);
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94 LineNumberReader in = null;
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95 try {
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96 in =
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97 new LineNumberReader(
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98 new InputStreamReader(
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99 new FileInputStream(file), ENCODING));
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100
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101 String line = in.readLine();
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102
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103 if (line == null) {
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104 log.warn("STA file is empty.");
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105 return false;
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106 }
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107
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108 if (line.length() < 37) {
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109 log.warn("First line in STA file is too short.");
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110 return false;
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111 }
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112
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113 String gaugeName = line.substring(16, 35).trim();
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114
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115 Long gaugeNumber = null;
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116
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117 String gaugeNumberString = line.substring(8, 16).trim();
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118
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119 try {
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120 gaugeNumber = Long.parseLong(gaugeNumberString);
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121 }
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122 catch (NumberFormatException nfe) {
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123 log.warn("STA: gauge number '" + gaugeNumberString +
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124 "' is not a valid long number.");
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125 }
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126
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127 gauge.setName(gaugeName);
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128 gauge.setOfficialNumber(gaugeNumber);
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129
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130 if (log.isDebugEnabled()) {
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131 log.debug(
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
132 "name/number: '" + gaugeName + "' '" + gaugeNumber + "'");
fe89d6cf55fb Added support for official gauge numbers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1211
diff changeset
133 }
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
134
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
135 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
136
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
137 if (values.length < 2) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
138 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
139 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
140 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
141 gauge.setAeo(new BigDecimal(values[0].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
142 gauge.setDatum(new BigDecimal(values[1].replace(",", ".")));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
145 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
146 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
147 }
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 line = in.readLine();
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 if (line == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152 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
153 return false;
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
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
156 if (line.length() < 36) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
157 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
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 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
162 gauge.setStation(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
163 new BigDecimal(line.substring(29, 36).trim()));
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 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
166 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
167 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
168 }
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 // overread the next six lines
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 for (int i = 0; i < 6; ++i) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 if ((line = in.readLine()) == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
173 log.warn("STA file is too short");
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
174 return false;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
175 }
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
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 HashMap<String, ImportMainValueType> types =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
179 new HashMap<String, ImportMainValueType>();
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 ArrayList<ImportNamedMainValue> namedMainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
182 new ArrayList<ImportNamedMainValue>();
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 ArrayList<ImportMainValue> mainValues =
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
185 new ArrayList<ImportMainValue>();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
186
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
187 while ((line = in.readLine()) != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
188 Matcher m = QWTD_.matcher(line);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
189 if (m.matches()) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
190 BigDecimal value;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 try {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192 value = new BigDecimal(m.group(2).replace(",", "."));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
193 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 catch (NumberFormatException nfe) {
3660
976ead36192d backend: Mention backend warnings in importer.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2377
diff changeset
195 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
196 + in.getLineNumber());
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
197 continue;
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 String typeString = m.group(3);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
200 log.debug("\t type: " + typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
201 ImportMainValueType type = types.get(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 if (type == null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
203 type = new ImportMainValueType(typeString);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204 types.put(typeString, type);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
205 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
206 String name = m.group(1);
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
207 NameAndTimeInterval nat = parseName(name);
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 ImportNamedMainValue namedMainValue =
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
209 new ImportNamedMainValue(type, nat.getName());
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210 namedMainValues.add(namedMainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
212 ImportMainValue mainValue = new ImportMainValue(
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
213 gauge,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
214 namedMainValue,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
215 value,
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
216 nat.getTimeInterval());
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
217
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
218 mainValues.add(mainValue);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
219 }
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 else {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 // TODO: treat as a comment
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 gauge.setMainValueTypes(
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
225 new ArrayList<ImportMainValueType>(types.values()));
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
226 gauge.setNamedMainValues(namedMainValues);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
227 gauge.setMainValues(mainValues);
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 finally {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
230 if (in != null) {
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
231 in.close();
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
232 }
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 log.info("finished parsing STA file: " + file);
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
235 return true;
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
236 }
5735
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
237
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
238 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
239 List<String> result = new ArrayList<String>();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
240
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
241 unbracket(name, 0, result);
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 int length = result.size();
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
244
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
245 if (length < 1) { // Should not happen.
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
246 return new NameAndTimeInterval(name);
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
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
249 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
250 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
251 }
c75be5205a69 Backend: Parse time intervals for main values.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5691
diff changeset
252
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
253 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
254
5902
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
255 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
256 ImportTimeInterval timeInterval = null;
5735
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 String datePart = result.get(1).trim();
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
259 if (isMainValue(datePart)) { // e.g. W(HQ100)
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
260 type += "(" + datePart + ")";
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
261 timeInterval = null;
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
262 }
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
263 else {
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5844
diff changeset
264 timeInterval = getTimeInterval(result.get(1).trim());
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265
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266 if (timeInterval == null) { // No date at all.
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267 type = name;
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268 }
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269 }
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270
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271 return new NameAndTimeInterval(type, timeInterval);
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272 }
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273
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274 if (length == 3) { // e.g W(Q(1994)) or W(Q(1994 - 1999))
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275
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276 String type =
5902
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277 result.get(0).trim() + "(" +
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278 result.get(1).trim() + ")";
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279
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280 ImportTimeInterval timeInterval = getTimeInterval(
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281 result.get(2).trim());
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282
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283 if (timeInterval == null) { // No date at all.
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284 type = name;
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285 }
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286
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287 return new NameAndTimeInterval(type, timeInterval);
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288 }
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289
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290 // more than 3 elements return unmodified.
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291
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292 return new NameAndTimeInterval(name);
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293 }
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294
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295 private static ImportTimeInterval getTimeInterval(String datePart) {
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296
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297 int minus = datePart.indexOf('-');
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298
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299 if (minus < 0) { // '-' not found
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300
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301 Date date = null;
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302 try {
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303 date = DateGuesser.guessDate(datePart);
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304 }
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305 catch (IllegalArgumentException iae) {
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306 log.warn("STA: Invalid date '" + datePart + "'");
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307 return null;
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308 }
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309
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310 return new ImportTimeInterval(date);
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311 }
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312
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313 // Found '-' so we have <from> - <to>
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314 String startPart = datePart.substring(0, minus).trim();
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315 String endPart = datePart.substring(minus).trim();
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316
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317 Date startDate = null;
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318 Date endDate = null;
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319
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320 try {
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321 startDate = DateGuesser.guessDate(startPart);
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322 }
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323 catch (IllegalArgumentException iae) {
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324 log.warn("STA: Invalid start date '" + startPart + "'");
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325 }
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diff changeset
326
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diff changeset
327 try {
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328 endDate = DateGuesser.guessDate(endPart);
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329 }
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330 catch (IllegalArgumentException iae) {
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331 log.warn("STA: Invalid end date '" + endPart + "'");
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332 }
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diff changeset
333
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diff changeset
334 if (startDate == null) {
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diff changeset
335 log.warn("STA: Need start date.");
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336 return null;
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337 }
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338
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339 return new ImportTimeInterval(startDate, endDate);
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340 }
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341
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342 private static int unbracket(String s, int index, List<String> result) {
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343 StringBuilder sb = new StringBuilder();
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344 int length = s.length();
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diff changeset
345 while (index < length) {
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346 char c = s.charAt(index);
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347 switch (c) {
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diff changeset
348 case '(':
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diff changeset
349 index = unbracket(s, index+1, result);
5735
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350 break;
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diff changeset
351 case ')':
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diff changeset
352 result.add(0, sb.toString());
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diff changeset
353 return index+1;
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diff changeset
354 default:
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diff changeset
355 sb.append(c);
5737
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diff changeset
356 ++index;
5735
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diff changeset
357 }
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diff changeset
358 }
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diff changeset
359 result.add(0, sb.toString());
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diff changeset
360
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diff changeset
361 return index;
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diff changeset
362 }
5902
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363
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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diff changeset
364 /*
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diff changeset
365 public static void main(String [] args) {
24f9c5146384 Backend: Fixed recognition of main values in STA parser.
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diff changeset
366 for (String arg: args) {
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diff changeset
367 NameAndTimeInterval nti = parseName(arg);
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diff changeset
368 System.out.println(arg + " -> " + nti);
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diff changeset
369 }
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diff changeset
370 }
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diff changeset
371 */
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
372 }
f08fe480092c Moved file parsers to separate package.
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parents:
diff changeset
373 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org