Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/AnnotationsParser.java @ 3326:ff70ff6c0629
Improved the import process to read MINFO specific 'Messstellen'.
flys-backend/trunk@4644 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 12 Jun 2012 13:45:19 +0000 |
parents | c5c48f52dc7b |
children | b2aac19a8982 |
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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 "../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 : |