annotate flys-backend/src/main/java/org/dive4elements/river/importer/parsers/AnnotationsParser.java @ 5829:18619c1e7c2a

Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 11:54:36 +0200
parents dfb26b03b179
children
rev   line source
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18619c1e7c2a Repaired internal references.
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parents: 5828
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1 package org.dive4elements.river.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
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18 import org.dive4elements.artifacts.common.utils.FileTools;
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19
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20 import org.dive4elements.river.importer.ImportAnnotation;
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21 import org.dive4elements.river.importer.ImportRange;
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22 import org.dive4elements.river.importer.ImportEdge;
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23 import org.dive4elements.river.importer.ImportAnnotationType;
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24 import org.dive4elements.river.importer.ImportAttribute;
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25 import org.dive4elements.river.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 ".." + File.separator +
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37 "Morphologie" + File.separator + "Streckendaten"
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38 };
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39
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40 protected HashMap<String, ImportAttribute> attributes;
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41 protected HashMap<String, ImportPosition> positions;
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42 protected TreeSet<ImportAnnotation> annotations;
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43 protected AnnotationClassifier classifier;
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44
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45 public AnnotationsParser() {
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46 this(null);
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47 }
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48
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49 public AnnotationsParser(AnnotationClassifier classifier) {
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50 attributes = new HashMap<String, ImportAttribute>();
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51 positions = new HashMap<String, ImportPosition>();
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52 annotations = new TreeSet<ImportAnnotation>();
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53 this.classifier = classifier;
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54 }
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55
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56 public void parseFile(File file) throws IOException {
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57 log.info("parsing km file: '" + file + "'");
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58
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59 ImportAnnotationType defaultIAT = null;
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60
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61 if (classifier != null) {
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62 defaultIAT = classifier.classifyFile(
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63 file.getName(),
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64 classifier.getDefaultType());
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65 }
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66
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67 LineNumberReader in = null;
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68 try {
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69 in =
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70 new LineNumberReader(
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71 new InputStreamReader(
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72 new FileInputStream(file), ENCODING));
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73
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74 String line = null;
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75 while ((line = in.readLine()) != null) {
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76 if ((line = line.trim()).length() == 0
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77 || line.startsWith("*")) {
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78 continue;
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79 }
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80
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81 String [] parts = line.split("\\s*;\\s*");
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82
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83 if (parts.length < 3) {
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84 log.warn("ANN: not enough columns in line "
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85 + in.getLineNumber());
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86 continue;
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87 }
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88
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89 ImportPosition position = positions.get(parts[0]);
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90 if (position == null) {
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91 position = new ImportPosition(parts[0]);
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92 positions.put(parts[0], position);
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93 }
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94
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95 ImportAttribute attribute = attributes.get(parts[1]);
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96 if (attribute == null) {
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97 attribute = new ImportAttribute(parts[1]);
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98 attributes.put(parts[1], attribute);
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99 }
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100
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101 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*");
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102
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103 BigDecimal from, to;
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104
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105 try {
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106 from = new BigDecimal(r[0]);
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107 to = r.length < 2 ? null : new BigDecimal(r[1]);
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108 if (to != null && from.compareTo(to) > 0) {
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109 BigDecimal t = from; from = to; to = t;
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110 }
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111 }
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112 catch (NumberFormatException nfe) {
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113 log.warn("ANN: invalid number in line " + in.getLineNumber());
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114 continue;
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115 }
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116
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117 ImportEdge edge = null;
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118
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119 if (parts.length == 4) { // Only 'Unterkante'
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120 try {
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121 edge = new ImportEdge(
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122 null,
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123 new BigDecimal(parts[3].trim().replace(',', '.')));
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124 }
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125 catch (NumberFormatException nfe) {
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126 log.warn("ANN: cannot parse 'Unterkante' in line " +
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127 in.getLineNumber());
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128 }
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129 }
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130 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante'
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131 String bottom = parts[3].trim().replace(',', '.');
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132 String top = parts[4].trim().replace(',', '.');
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133 try {
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134 BigDecimal b = bottom.length() == 0
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135 ? null
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136 : new BigDecimal(bottom);
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137 BigDecimal t = top.length() == 0
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138 ? null
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139 : new BigDecimal(top);
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140 edge = new ImportEdge(t, b);
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141 }
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142 catch (NumberFormatException nfe) {
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143 log.warn(
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144 "ANN: cannot parse 'Unterkante' or 'Oberkante' in line "
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145 + in.getLineNumber());
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146 }
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147 }
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148
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149 ImportRange range = new ImportRange(from, to);
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150
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151 ImportAnnotationType type = classifier != null
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152 ? classifier.classifyDescription(line, defaultIAT)
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153 : null;
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154
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155 ImportAnnotation annotation = new ImportAnnotation(
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156 attribute, position, range, edge, type);
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157
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158 if (!annotations.add(annotation)) {
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159 log.info("ANN: duplicated annotation '" + parts[0] +
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160 "' in line " + in.getLineNumber());
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161 }
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162 }
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163 }
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164 finally {
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165 if (in != null) {
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166 in.close();
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167 }
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168 }
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169 }
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170
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171 public void parse(File root) throws IOException {
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172
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173 for (String toScan: TO_SCAN) {
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174 File directory = FileTools.repair(new File(root, toScan));
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175 if (!directory.isDirectory()) {
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176 log.warn("ANN: '" + directory + "' is not a directory.");
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177 continue;
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178 }
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179 File [] files = directory.listFiles();
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180 if (files == null) {
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181 log.warn("ANN: cannot list directory '" + directory + "'");
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182 continue;
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183 }
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184
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185 for (File file: files) {
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186 if (file.isFile() && file.canRead()
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187 && file.getName().toLowerCase().endsWith(".km")) {
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188 parseFile(file);
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189 }
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190 }
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191 } // for all directories to scan
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192 }
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193
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194 public List<ImportAnnotation> getAnnotations() {
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195 return new ArrayList<ImportAnnotation>(annotations);
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196 }
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197 }
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198 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org