Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/AnnotationsParser.java @ 4777:34398f424cfd
W80Parser: Return null if no year set to behave like other parsers and avoid
building a (wrong) TimeSpan object.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 07 Jan 2013 11:55:46 +0100 |
parents | 0d27d02b1208 |
children | c0bdbe24c115 |
rev | line source |
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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 ".." + 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.warn("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 : |