Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/AnnotationsParser.java @ 3329:cc8fc6b29649

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Store sq relations into database after parsing. flys-backend/trunk@4647 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 13 Jun 2012 08:12:00 +0000
parents ff70ff6c0629
children b2aac19a8982
rev   line source
1211
f08fe480092c Moved file parsers to separate package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.importer.parsers;
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2
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3 import java.util.HashMap;
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4 import java.util.TreeSet;
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5 import java.util.List;
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6 import java.util.ArrayList;
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7
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8 import java.io.IOException;
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9 import java.io.File;
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10 import java.io.LineNumberReader;
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11 import java.io.InputStreamReader;
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12 import java.io.FileInputStream;
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13
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14 import java.math.BigDecimal;
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15
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16 import org.apache.log4j.Logger;
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17
1234
c5c48f52dc7b Removed FileTools that has been moved to artifacts-common module.
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18 import de.intevation.artifacts.common.utils.FileTools;
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19
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20 import de.intevation.flys.importer.ImportAnnotation;
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21 import de.intevation.flys.importer.ImportRange;
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22 import de.intevation.flys.importer.ImportEdge;
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23 import de.intevation.flys.importer.ImportAnnotationType;
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24 import de.intevation.flys.importer.ImportAttribute;
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25 import de.intevation.flys.importer.ImportPosition;
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26
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27 public class AnnotationsParser
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28 {
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29 private static Logger log = Logger.getLogger(AnnotationsParser.class);
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30
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31 public static final String ENCODING = "ISO-8859-1";
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32
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33 public static final String [] TO_SCAN = {
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34 "Basisdaten",
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35 "Streckendaten",
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36 "../Morphologie/Streckendaten"
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37 };
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38
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39 protected HashMap<String, ImportAttribute> attributes;
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40 protected HashMap<String, ImportPosition> positions;
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41 protected TreeSet<ImportAnnotation> annotations;
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42 protected AnnotationClassifier classifier;
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43
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44 public AnnotationsParser() {
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45 this(null);
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46 }
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47
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48 public AnnotationsParser(AnnotationClassifier classifier) {
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49 attributes = new HashMap<String, ImportAttribute>();
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50 positions = new HashMap<String, ImportPosition>();
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51 annotations = new TreeSet<ImportAnnotation>();
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52 this.classifier = classifier;
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53 }
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54
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55 public void parseFile(File file) throws IOException {
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56 log.info("parsing km file: '" + file + "'");
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57
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58 ImportAnnotationType defaultIAT = null;
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59
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60 if (classifier != null) {
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61 defaultIAT = classifier.classifyFile(
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62 file.getName(),
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63 classifier.getDefaultType());
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64 }
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65
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66 LineNumberReader in = null;
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67 try {
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68 in =
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69 new LineNumberReader(
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70 new InputStreamReader(
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71 new FileInputStream(file), ENCODING));
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72
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73 String line = null;
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74 while ((line = in.readLine()) != null) {
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75 if ((line = line.trim()).length() == 0
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76 || line.startsWith("*")) {
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77 continue;
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78 }
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79
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80 String [] parts = line.split("\\s*;\\s*");
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81
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82 if (parts.length < 3) {
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83 log.warn("not enough columns in line "
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84 + in.getLineNumber());
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85 continue;
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86 }
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87
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88 ImportPosition position = positions.get(parts[0]);
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89 if (position == null) {
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90 position = new ImportPosition(parts[0]);
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91 positions.put(parts[0], position);
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92 }
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93
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94 ImportAttribute attribute = attributes.get(parts[1]);
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95 if (attribute == null) {
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96 attribute = new ImportAttribute(parts[1]);
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97 attributes.put(parts[1], attribute);
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98 }
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99
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100 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*");
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101
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102 BigDecimal from, to;
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103
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104 try {
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105 from = new BigDecimal(r[0]);
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106 to = r.length < 2 ? null : new BigDecimal(r[1]);
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107 if (to != null && from.compareTo(to) > 0) {
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108 BigDecimal t = from; from = to; to = t;
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109 }
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110 }
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111 catch (NumberFormatException nfe) {
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112 log.warn("invalid number in line " + in.getLineNumber());
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113 continue;
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114 }
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115
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116 ImportEdge edge = null;
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117
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118 if (parts.length == 4) { // Only 'Unterkante'
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119 try {
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120 edge = new ImportEdge(
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121 null,
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122 new BigDecimal(parts[3].trim().replace(',', '.')));
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123 }
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124 catch (NumberFormatException nfe) {
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125 log.warn("cannot parse 'Unterkante' in line " +
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126 in.getLineNumber());
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127 }
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128 }
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129 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante'
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130 String bottom = parts[3].trim().replace(',', '.');
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131 String top = parts[4].trim().replace(',', '.');
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132 try {
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133 BigDecimal b = bottom.length() == 0
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134 ? null
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135 : new BigDecimal(bottom);
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136 BigDecimal t = top.length() == 0
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137 ? null
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138 : new BigDecimal(top);
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139 edge = new ImportEdge(t, b);
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140 }
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141 catch (NumberFormatException nfe) {
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142 log.warn(
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143 "cannot parse 'Unterkante' or 'Oberkante' in line "
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144 + in.getLineNumber());
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145 }
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146 }
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147
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148 ImportRange range = new ImportRange(from, to);
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149
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150 ImportAnnotationType type = classifier != null
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151 ? classifier.classifyDescription(line, defaultIAT)
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152 : null;
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153
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154 ImportAnnotation annotation = new ImportAnnotation(
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155 attribute, position, range, edge, type);
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156
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157 if (!annotations.add(annotation)) {
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158 log.warn("duplicated annotation '" + parts[0] +
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159 "' in line " + in.getLineNumber());
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160 }
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161 }
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162 }
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163 finally {
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164 if (in != null) {
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165 in.close();
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166 }
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167 }
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168 }
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169
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170 public void parse(File root) throws IOException {
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171
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172 for (String toScan: TO_SCAN) {
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173 File directory = FileTools.repair(new File(root, toScan));
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174 if (!directory.isDirectory()) {
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175 log.warn("'" + directory + "' is not a directory.");
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176 continue;
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177 }
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178 File [] files = directory.listFiles();
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179 if (files == null) {
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180 log.warn("cannot list directory '" + directory + "'");
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181 continue;
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182 }
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183
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184 for (File file: files) {
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185 if (file.isFile() && file.canRead()
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186 && file.getName().toLowerCase().endsWith(".km")) {
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187 parseFile(file);
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188 }
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189 }
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190 } // for all directories to scan
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191 }
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192
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193 public List<ImportAnnotation> getAnnotations() {
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194 return new ArrayList<ImportAnnotation>(annotations);
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195 }
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196 }
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197 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org