Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/AnnotationsParser.java @ 2809:f283212966e8
Finished work on MINFO bed heights (single).
flys-backend/trunk@4221 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 12 Apr 2012 10:42:46 +0000 |
parents | c5c48f52dc7b |
children | ff70ff6c0629 |
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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 |
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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 }; |
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37 |
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38 protected HashMap<String, ImportAttribute> attributes; |
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39 protected HashMap<String, ImportPosition> positions; |
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40 protected TreeSet<ImportAnnotation> annotations; |
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41 protected AnnotationClassifier classifier; |
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42 |
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43 public AnnotationsParser() { |
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44 this(null); |
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45 } |
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46 |
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47 public AnnotationsParser(AnnotationClassifier classifier) { |
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48 attributes = new HashMap<String, ImportAttribute>(); |
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49 positions = new HashMap<String, ImportPosition>(); |
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50 annotations = new TreeSet<ImportAnnotation>(); |
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51 this.classifier = classifier; |
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52 } |
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53 |
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54 public void parseFile(File file) throws IOException { |
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55 log.info("parsing km file: '" + file + "'"); |
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56 |
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57 ImportAnnotationType defaultIAT = null; |
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58 |
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59 if (classifier != null) { |
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60 defaultIAT = classifier.classifyFile( |
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61 file.getName(), |
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62 classifier.getDefaultType()); |
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63 } |
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64 |
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65 LineNumberReader in = null; |
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66 try { |
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67 in = |
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68 new LineNumberReader( |
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69 new InputStreamReader( |
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70 new FileInputStream(file), ENCODING)); |
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71 |
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72 String line = null; |
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73 while ((line = in.readLine()) != null) { |
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74 if ((line = line.trim()).length() == 0 |
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75 || line.startsWith("*")) { |
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76 continue; |
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77 } |
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78 |
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79 String [] parts = line.split("\\s*;\\s*"); |
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80 |
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81 if (parts.length < 3) { |
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82 log.warn("not enough columns in line " |
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83 + in.getLineNumber()); |
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84 continue; |
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85 } |
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86 |
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87 ImportPosition position = positions.get(parts[0]); |
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88 if (position == null) { |
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89 position = new ImportPosition(parts[0]); |
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90 positions.put(parts[0], position); |
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91 } |
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92 |
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93 ImportAttribute attribute = attributes.get(parts[1]); |
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94 if (attribute == null) { |
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95 attribute = new ImportAttribute(parts[1]); |
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96 attributes.put(parts[1], attribute); |
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97 } |
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98 |
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99 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*"); |
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100 |
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101 BigDecimal from, to; |
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102 |
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103 try { |
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104 from = new BigDecimal(r[0]); |
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105 to = r.length < 2 ? null : new BigDecimal(r[1]); |
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106 if (to != null && from.compareTo(to) > 0) { |
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107 BigDecimal t = from; from = to; to = t; |
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108 } |
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109 } |
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110 catch (NumberFormatException nfe) { |
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111 log.warn("invalid number in line " + in.getLineNumber()); |
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112 continue; |
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113 } |
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114 |
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115 ImportEdge edge = null; |
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116 |
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117 if (parts.length == 4) { // Only 'Unterkante' |
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118 try { |
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119 edge = new ImportEdge( |
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120 null, |
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121 new BigDecimal(parts[3].trim().replace(',', '.'))); |
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122 } |
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123 catch (NumberFormatException nfe) { |
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124 log.warn("cannot parse 'Unterkante' in line " + |
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125 in.getLineNumber()); |
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126 } |
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127 } |
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128 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante' |
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129 String bottom = parts[3].trim().replace(',', '.'); |
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130 String top = parts[4].trim().replace(',', '.'); |
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131 try { |
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132 BigDecimal b = bottom.length() == 0 |
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133 ? null |
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134 : new BigDecimal(bottom); |
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135 BigDecimal t = top.length() == 0 |
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136 ? null |
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137 : new BigDecimal(top); |
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138 edge = new ImportEdge(t, b); |
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139 } |
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140 catch (NumberFormatException nfe) { |
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141 log.warn( |
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142 "cannot parse 'Unterkante' or 'Oberkante' in line " |
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143 + in.getLineNumber()); |
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144 } |
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145 } |
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146 |
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147 ImportRange range = new ImportRange(from, to); |
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148 |
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149 ImportAnnotationType type = classifier != null |
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150 ? classifier.classifyDescription(line, defaultIAT) |
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151 : null; |
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152 |
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153 ImportAnnotation annotation = new ImportAnnotation( |
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154 attribute, position, range, edge, type); |
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155 |
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156 if (!annotations.add(annotation)) { |
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157 log.warn("duplicated annotation '" + parts[0] + |
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158 "' in line " + in.getLineNumber()); |
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159 } |
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160 } |
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161 } |
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162 finally { |
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163 if (in != null) { |
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164 in.close(); |
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165 } |
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166 } |
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167 } |
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168 |
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169 public void parse(File root) throws IOException { |
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170 |
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171 for (String toScan: TO_SCAN) { |
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172 File directory = FileTools.repair(new File(root, toScan)); |
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173 if (!directory.isDirectory()) { |
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174 log.warn("'" + directory + "' is not a directory."); |
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175 continue; |
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176 } |
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177 File [] files = directory.listFiles(); |
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178 if (files == null) { |
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179 log.warn("cannot list directory '" + directory + "'"); |
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180 continue; |
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181 } |
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182 |
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183 for (File file: files) { |
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184 if (file.isFile() && file.canRead() |
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185 && file.getName().toLowerCase().endsWith(".km")) { |
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186 parseFile(file); |
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187 } |
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188 } |
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189 } // for all directories to scan |
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190 } |
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191 |
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192 public List<ImportAnnotation> getAnnotations() { |
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193 return new ArrayList<ImportAnnotation>(annotations); |
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194 } |
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195 } |
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196 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |