Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/parsers/AnnotationsParser.java @ 5856:c7b6561af370
it's worth more than a warning if the import is likely to fail
author | Tom Gottfried <tom.gottfried@intevation.de> |
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date | Fri, 26 Apr 2013 19:12:13 +0200 |
parents | 4dd33b86dc61 |
children | 4c3ccf2b0304 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.importer.parsers; |
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10 |
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11 import java.util.HashMap; |
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12 import java.util.TreeSet; |
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13 import java.util.List; |
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14 import java.util.ArrayList; |
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15 |
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16 import java.io.IOException; |
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17 import java.io.File; |
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18 import java.io.LineNumberReader; |
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19 import java.io.InputStreamReader; |
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20 import java.io.FileInputStream; |
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21 |
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22 import java.math.BigDecimal; |
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23 |
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24 import org.apache.log4j.Logger; |
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25 |
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26 import org.dive4elements.artifacts.common.utils.FileTools; |
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27 |
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28 import org.dive4elements.river.importer.ImportAnnotation; |
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29 import org.dive4elements.river.importer.ImportRange; |
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30 import org.dive4elements.river.importer.ImportEdge; |
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31 import org.dive4elements.river.importer.ImportAnnotationType; |
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32 import org.dive4elements.river.importer.ImportAttribute; |
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33 import org.dive4elements.river.importer.ImportPosition; |
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34 |
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35 public class AnnotationsParser |
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36 { |
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37 private static Logger log = Logger.getLogger(AnnotationsParser.class); |
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38 |
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39 public static final String ENCODING = "ISO-8859-1"; |
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40 |
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41 public static final String [] TO_SCAN = { |
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42 "Basisdaten", |
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43 "Streckendaten", |
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44 ".." + File.separator + |
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45 "Morphologie" + File.separator + "Streckendaten" |
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46 }; |
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47 |
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48 protected HashMap<String, ImportAttribute> attributes; |
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49 protected HashMap<String, ImportPosition> positions; |
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50 protected TreeSet<ImportAnnotation> annotations; |
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51 protected AnnotationClassifier classifier; |
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52 |
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53 public AnnotationsParser() { |
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54 this(null); |
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55 } |
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56 |
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57 public AnnotationsParser(AnnotationClassifier classifier) { |
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58 attributes = new HashMap<String, ImportAttribute>(); |
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59 positions = new HashMap<String, ImportPosition>(); |
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60 annotations = new TreeSet<ImportAnnotation>(); |
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61 this.classifier = classifier; |
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62 } |
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63 |
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64 public void parseFile(File file) throws IOException { |
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65 log.info("parsing km file: '" + file + "'"); |
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66 |
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67 ImportAnnotationType defaultIAT = null; |
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68 |
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69 if (classifier != null) { |
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70 defaultIAT = classifier.classifyFile( |
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71 file.getName(), |
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72 classifier.getDefaultType()); |
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73 } |
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74 |
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75 LineNumberReader in = null; |
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76 try { |
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77 in = |
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78 new LineNumberReader( |
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79 new InputStreamReader( |
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80 new FileInputStream(file), ENCODING)); |
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81 |
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82 String line = null; |
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83 while ((line = in.readLine()) != null) { |
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84 if ((line = line.trim()).length() == 0 |
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85 || line.startsWith("*")) { |
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86 continue; |
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87 } |
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88 |
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89 String [] parts = line.split("\\s*;\\s*"); |
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90 |
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91 if (parts.length < 3) { |
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92 log.warn("ANN: not enough columns in line " |
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93 + in.getLineNumber()); |
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94 continue; |
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95 } |
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96 |
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97 ImportPosition position = positions.get(parts[0]); |
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98 if (position == null) { |
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99 position = new ImportPosition(parts[0]); |
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100 positions.put(parts[0], position); |
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101 } |
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102 |
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103 ImportAttribute attribute = attributes.get(parts[1]); |
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104 if (attribute == null) { |
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105 attribute = new ImportAttribute(parts[1]); |
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106 attributes.put(parts[1], attribute); |
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107 } |
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108 |
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109 String [] r = parts[2].replace(",", ".").split("\\s*#\\s*"); |
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110 |
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111 BigDecimal from, to; |
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112 |
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113 try { |
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114 from = new BigDecimal(r[0]); |
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115 to = r.length < 2 ? null : new BigDecimal(r[1]); |
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116 if (to != null && from.compareTo(to) > 0) { |
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117 BigDecimal t = from; from = to; to = t; |
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118 } |
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119 } |
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120 catch (NumberFormatException nfe) { |
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121 log.warn("ANN: invalid number in line " + in.getLineNumber()); |
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122 continue; |
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123 } |
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124 |
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125 ImportEdge edge = null; |
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126 |
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127 if (parts.length == 4) { // Only 'Unterkante' |
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128 try { |
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129 edge = new ImportEdge( |
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130 null, |
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131 new BigDecimal(parts[3].trim().replace(',', '.'))); |
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132 } |
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133 catch (NumberFormatException nfe) { |
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134 log.warn("ANN: cannot parse 'Unterkante' in line " + |
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135 in.getLineNumber()); |
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136 } |
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137 } |
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138 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante' |
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139 String bottom = parts[3].trim().replace(',', '.'); |
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140 String top = parts[4].trim().replace(',', '.'); |
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141 try { |
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142 BigDecimal b = bottom.length() == 0 |
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143 ? null |
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144 : new BigDecimal(bottom); |
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145 BigDecimal t = top.length() == 0 |
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146 ? null |
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147 : new BigDecimal(top); |
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148 edge = new ImportEdge(t, b); |
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149 } |
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150 catch (NumberFormatException nfe) { |
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151 log.warn( |
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152 "ANN: cannot parse 'Unterkante' or 'Oberkante' in line " |
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153 + in.getLineNumber()); |
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154 } |
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155 } |
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156 |
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157 ImportRange range = new ImportRange(from, to); |
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158 |
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159 ImportAnnotationType type = classifier != null |
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160 ? classifier.classifyDescription(line, defaultIAT) |
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161 : null; |
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162 |
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163 ImportAnnotation annotation = new ImportAnnotation( |
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164 attribute, position, range, edge, type); |
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165 |
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166 if (!annotations.add(annotation)) { |
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167 log.info("ANN: duplicated annotation '" + parts[0] + |
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168 "' in line " + in.getLineNumber()); |
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169 } |
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170 } |
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171 } |
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172 finally { |
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173 if (in != null) { |
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174 in.close(); |
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175 } |
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176 } |
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177 } |
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178 |
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179 public void parse(File root) throws IOException { |
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180 |
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181 for (String toScan: TO_SCAN) { |
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182 File directory = FileTools.repair(new File(root, toScan)); |
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183 if (!directory.isDirectory()) { |
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184 log.warn("ANN: '" + directory + "' is not a directory."); |
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185 continue; |
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186 } |
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187 File [] files = directory.listFiles(); |
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188 if (files == null) { |
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189 log.warn("ANN: cannot list directory '" + directory + "'"); |
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190 continue; |
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191 } |
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192 |
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193 for (File file: files) { |
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194 if (file.isFile() && file.canRead() |
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195 && file.getName().toLowerCase().endsWith(".km")) { |
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196 parseFile(file); |
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197 } |
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198 } |
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199 } // for all directories to scan |
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200 } |
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201 |
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202 public List<ImportAnnotation> getAnnotations() { |
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203 return new ArrayList<ImportAnnotation>(annotations); |
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204 } |
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205 } |
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206 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |