Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/parsers/AnnotationsParser.java @ 9650:a2a42a6bac6b

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Importer (s/u-info) extensions: outer try/catch for parse and log of line no, catching parsing exception if not enough value fields, parsing error and warning log messages with line number, detecting and rejecting duplicate data series, better differentiation between error and warning log messages
author mschaefer
date Mon, 23 Mar 2020 14:57:03 +0100
parents 5e38e2924c07
children 0a5239a1e46e
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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 "
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122 + in.getLineNumber());
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123 continue;
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124 }
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125
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126 ImportEdge edge = null;
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127
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128 if (parts.length == 4) { // Only 'Unterkante'
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129 try {
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130 edge = new ImportEdge(
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131 null,
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132 new BigDecimal(parts[3].trim().replace(',', '.')));
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133 }
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134 catch (NumberFormatException nfe) {
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135 log.warn("ANN: cannot parse 'Unterkante' in line " +
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136 in.getLineNumber());
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137 }
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138 }
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139 else if (parts.length > 4) { // 'Unterkante' and 'Oberkante'
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140 String bottom = parts[3].trim().replace(',', '.');
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141 String top = parts[4].trim().replace(',', '.');
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142 try {
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143 BigDecimal b = bottom.length() == 0
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144 ? null
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145 : new BigDecimal(bottom);
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146 BigDecimal t = top.length() == 0
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147 ? null
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148 : new BigDecimal(top);
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149 edge = new ImportEdge(t, b);
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150 }
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151 catch (NumberFormatException nfe) {
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152 log.warn(
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153 "ANN: cannot parse 'Unterkante' or 'Oberkante' "
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154 + "in line "
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155 + in.getLineNumber());
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156 }
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157 }
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158
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159 ImportRange range = new ImportRange(from, to);
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160
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161 ImportAnnotationType type = classifier != null
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162 ? classifier.classifyDescription(line, defaultIAT)
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163 : null;
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164
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165 ImportAnnotation annotation = new ImportAnnotation(
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166 attribute, position, range, edge, type);
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167
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168 if (!annotations.add(annotation)) {
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169 log.info("ANN: duplicated annotation '" + parts[0] +
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170 "' in line " + in.getLineNumber());
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171 }
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172 }
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173 }
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174 finally {
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175 if (in != null) {
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176 in.close();
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177 }
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178 }
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179 }
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180
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181 public void parse(File root) throws IOException {
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182
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183 for (String toScan: TO_SCAN) {
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184 File directory = FileTools.repair(new File(root, toScan));
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185 if (!directory.isDirectory()) {
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186 log.warn("ANN: '" + directory + "' is not a directory.");
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187 continue;
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188 }
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189 File [] files = directory.listFiles();
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190 if (files == null) {
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191 log.warn("ANN: cannot list directory '" + directory + "'");
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192 continue;
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193 }
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194
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195 for (File file: files) {
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196 if (file.isFile() && file.canRead()
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197 && file.getName().toLowerCase().endsWith(".km")) {
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198 parseFile(file);
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199 }
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200 }
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201 } // for all directories to scan
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202 }
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203
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204 public List<ImportAnnotation> getAnnotations() {
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205 return new ArrayList<ImportAnnotation>(annotations);
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206 }
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207 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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208 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org