Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/sinfo/parsers/SelectedAdditionalParser.java @ 8988:ae76f618d990

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Checks added for missing import directory
author mschaefer
date Sun, 08 Apr 2018 18:09:32 +0200
parents bf8a9df86f32
children
rev   line source
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1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10
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11 package org.dive4elements.river.importer.sinfo.parsers;
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12
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13 import java.io.File;
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14 import java.io.FileInputStream;
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15 import java.io.IOException;
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16 import java.io.InputStreamReader;
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17 import java.io.LineNumberReader;
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18 import java.io.Serializable;
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19 import java.util.ArrayList;
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20 import java.util.HashMap;
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21 import java.util.List;
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22
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23 import org.apache.log4j.Logger;
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24 import org.dive4elements.river.importer.Config;
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25 import org.dive4elements.river.importer.ImportRiver;
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26 import org.dive4elements.river.importer.ImporterSession;
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27 import org.dive4elements.river.importer.common.AbstractParser;
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28 import org.dive4elements.river.importer.common.ImportParser;
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29 import org.dive4elements.river.model.River;
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30 import org.dive4elements.river.model.Wst;
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31 import org.hibernate.Query;
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32 import org.hibernate.SQLQuery;
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33 import org.hibernate.Session;
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34
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35 /**
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36 * Reads and parses a selected WST additionals link file
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37 *
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38 * @author Matthias Schäfer
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39 *
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40 */
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41 public class SelectedAdditionalParser implements ImportParser {
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42
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43 /***** FIELDS *****/
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44
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45 private static final Logger log = Logger.getLogger(SelectedAdditionalParser.class);
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46
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47 private static final String IMPORT_FILENAME = "Zus_Laengsschnitte.txt";
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48
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49 private enum SelectionType {
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50 WITH_Q("Q", "with discharge"), //
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51 WITHOUT_Q("W", "without discharge");
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52
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53 private final String key;
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54 private final String logText;
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55
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56 SelectionType(final String key, final String logText) {
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57 this.key = key;
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58 this.logText = logText;
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59 }
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60
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61 public String getKey() {
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62 return this.key;
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63 }
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64
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65 public String getLogText() {
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66 return this.logText;
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67 }
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68
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69 public static SelectionType parse(final String path) {
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70 if (path.toLowerCase().endsWith(".wst"))
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71 return WITH_Q;
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72 else
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73 return WITHOUT_Q;
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74 }
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75 }
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76
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77 private final File importPath;
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78
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79 private final File rootRelativePath;
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80
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81 private final ImportRiver river;
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82
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83 private final HashMap<String, SelectionType> links;
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84
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85
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86 /***** CONSTRUCTORS *****/
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87
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88 public SelectedAdditionalParser(final File importPath, final File rootRelativePath, final ImportRiver river) {
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89 this.importPath = importPath;
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90 this.rootRelativePath = rootRelativePath;
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91 this.river = river;
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92 this.links = new HashMap<>();
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93 }
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94
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95
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96 /***** METHODS *****/
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97
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98 /**
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99 * Whether this import type shall be skipped
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100 */
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101 public static boolean shallSkip() {
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102 return Config.INSTANCE.skipSInfoSelectedAdditional();
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103 }
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104
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105 /**
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106 * Creates a list of parsers for all selected additionals import files in a directory
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107 */
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108 public static List<SelectedAdditionalParser> createParsers(final File importDir, final File relativeDir, final ImportRiver river) {
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109 final List<SelectedAdditionalParser> parsers = new ArrayList<>();
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110 final File importFile = new File(importDir, IMPORT_FILENAME);
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111 if (importFile.exists())
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112 parsers.add(new SelectedAdditionalParser(importFile, new File(relativeDir, IMPORT_FILENAME), river));
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113 return parsers;
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114 }
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115
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116 @Override
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117 public void parse() throws IOException {
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118 this.links.clear();
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119 log.info("Parse '... " + this.rootRelativePath + "'");
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120 LineNumberReader in = null;
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121 try {
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122 in = new LineNumberReader(new InputStreamReader(new FileInputStream(this.importPath), AbstractParser.ENCODING));
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123 String line;
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124 while (true) {
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125 line = in.readLine();
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126 if (line == null)
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127 break;
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128 if (!line.trim().isEmpty() && !line.trim().startsWith(AbstractParser.START_META_CHAR) && !this.links.containsKey(line.trim()))
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129 this.links.put(line.trim(), SelectionType.parse(line.trim()));
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130 }
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131 log.info("Number of file links found: " + this.links.size());
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132 }
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133 finally {
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134 if (in != null)
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135 in.close();
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136 }
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137 }
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138
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139 @Override
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140 public void store() {
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141 final Session session = ImporterSession.getInstance().getDatabaseSession();
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142 final SQLQuery reset = session.createSQLQuery("UPDATE wsts SET sinfo_selection = NULL WHERE (river_id=:river_id) AND (kind=1)"
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143 + " AND (sinfo_selection IS NOT NULL)");
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144 reset.setParameter("river_id", this.river.getPeer().getId());
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145 reset.executeUpdate();
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146 final Query query = session.createQuery("FROM Wst WHERE (river=:river) AND (kind=1) AND (lower(description) LIKE :path)");
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147 query.setParameter("river", this.river.getPeer());
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148 int count = 0;
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149 for (final String wstfile : this.links.keySet()) {
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150 count += updateWst(session, query, this.river.getPeer(), wstfile, this.links.get(wstfile));
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151 }
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152 log.info("Updated " + count + " wsts for selected additionals");
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153 }
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154
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155 private int updateWst(final Session session, final Query query, final River river, final String path, final SelectionType selectionType) {
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156 final String pathPattern = path.toLowerCase().replace('/', '_').replace('\\', '_');
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157 query.setParameter("path", pathPattern);
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158 final List<Wst> rows = query.list();
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159 if (rows.isEmpty()) {
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160 log.warn("Wst not found for description '" + path + "'" + ";" + this.rootRelativePath);
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161 return 0;
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162 } else {
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163 final Wst wst = rows.get(0);
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164 wst.setSInfoSelection(selectionType.getKey());
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165 final Serializable id = session.save(wst);
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166 return 1;
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167 }
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168 }
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169 }
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