Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/AnnotationClassifier.java @ 4198:1cdbd8a0c994
Added two new tables ClickableQDTable and ClickableWTable and made Ws and Qs clickable in historical discharge calculation.
The new tables define listener interfaces (clicked lower or upper icon) to listen to user clicks.
In addition to this, there is an enum ClickMode with NONE, SINGLE and RANGE options, which allows to
specifiy, which icons are displayed in the tables. NONE means no icon for user clicks, SINGLE has 1
icon, RANGE 2 icons for lower and upper.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 22 Oct 2012 13:31:25 +0200 |
parents | 0d27d02b1208 |
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1 package de.intevation.flys.importer.parsers; |
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2 |
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3 import org.w3c.dom.Document; |
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4 import org.w3c.dom.NodeList; |
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5 import org.w3c.dom.Element; |
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6 |
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7 import javax.xml.xpath.XPathConstants; |
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8 |
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9 import java.util.Map; |
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10 import java.util.HashMap; |
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11 import java.util.List; |
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12 import java.util.ArrayList; |
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13 |
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14 import java.util.regex.Pattern; |
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15 import java.util.regex.Matcher; |
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16 |
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17 import org.apache.log4j.Logger; |
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18 |
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19 import de.intevation.artifacts.common.utils.XMLUtils; |
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20 |
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21 import de.intevation.flys.importer.ImportAnnotationType; |
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22 import de.intevation.flys.importer.Importer; |
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23 |
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24 public class AnnotationClassifier |
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25 { |
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26 private static Logger log = Logger.getLogger(Importer.class); |
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27 |
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28 public static final String TYPES_XPATH = |
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29 "/annotation/types/type"; |
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30 |
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31 public static final String FILE_PATTERNS_XPATH = |
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32 "/annotation/patterns/file"; |
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33 |
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34 public static final String DESCRIPTION_PATTERNS_XPATH = |
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35 "/annotation/patterns/line"; |
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36 |
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37 |
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38 public static class Pair { |
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39 |
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40 protected Pattern pattern; |
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41 protected ImportAnnotationType annType; |
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42 |
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43 public Pair(Pattern pattern, ImportAnnotationType annType) { |
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44 this.pattern = pattern; |
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45 this.annType = annType; |
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46 } |
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47 |
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48 public ImportAnnotationType match(String s) { |
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49 Matcher m = pattern.matcher(s); |
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50 return m.matches() ? annType : null; |
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51 } |
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52 } // class Pair |
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53 |
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54 |
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55 protected Map<String, ImportAnnotationType> types; |
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56 protected List<Pair> filePatterns; |
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57 protected List<Pair> descPatterns; |
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58 |
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59 protected ImportAnnotationType defaultType; |
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60 |
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61 public AnnotationClassifier() { |
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62 } |
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63 |
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64 public AnnotationClassifier(Document rules) { |
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65 types = new HashMap<String, ImportAnnotationType>(); |
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66 filePatterns = new ArrayList<Pair>(); |
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67 descPatterns = new ArrayList<Pair>(); |
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68 |
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69 buildRules(rules); |
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70 } |
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71 |
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72 protected void buildRules(Document rules) { |
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73 buildTypes(rules); |
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74 buildFilePatterns(rules); |
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75 buildDescriptionPatterns(rules); |
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76 } |
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77 |
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78 protected void buildTypes(Document rules) { |
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79 |
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80 NodeList typeList = (NodeList)XMLUtils.xpath( |
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81 rules, |
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82 TYPES_XPATH, |
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83 XPathConstants.NODESET, |
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84 null); |
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85 |
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86 if (typeList == null) { |
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87 log.info("no rules found."); |
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88 return; |
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89 } |
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90 |
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91 for (int i = 0, N = typeList.getLength(); i < N; ++i) { |
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92 Element typeElement = (Element)typeList.item(i); |
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93 String name = typeElement.getAttribute("name"); |
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94 if (name.length() == 0) { |
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95 log.warn("ANNCLASS: rule has no name"); |
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96 continue; |
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97 } |
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98 |
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99 ImportAnnotationType aic = new ImportAnnotationType(name); |
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100 |
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101 types.put(name, aic); |
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102 |
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103 if (typeElement.getAttribute("default").equals("true")) { |
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104 defaultType = aic; |
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105 } |
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106 } |
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107 } |
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108 |
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109 protected void buildFilePatterns(Document rules) { |
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110 |
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111 NodeList patternList = (NodeList)XMLUtils.xpath( |
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112 rules, |
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113 FILE_PATTERNS_XPATH, |
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114 XPathConstants.NODESET, |
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115 null); |
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116 |
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117 if (patternList == null) { |
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118 log.info("no file patterns found."); |
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119 return; |
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120 } |
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121 |
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122 for (int i = 0, N = patternList.getLength(); i < N; ++i) { |
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123 Element element = (Element)patternList.item(i); |
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124 Pair pair = buildPair(element); |
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125 if (pair != null) { |
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126 filePatterns.add(pair); |
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127 } |
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128 } |
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129 } |
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130 |
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131 protected void buildDescriptionPatterns(Document rules) { |
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132 |
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133 NodeList patternList = (NodeList)XMLUtils.xpath( |
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134 rules, |
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135 DESCRIPTION_PATTERNS_XPATH, |
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136 XPathConstants.NODESET, |
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137 null); |
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138 |
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139 if (patternList == null) { |
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140 log.info("no line patterns found."); |
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141 return; |
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142 } |
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143 |
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144 for (int i = 0, N = patternList.getLength(); i < N; ++i) { |
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145 Element element = (Element)patternList.item(i); |
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146 Pair pair = buildPair(element); |
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147 if (pair != null) { |
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148 descPatterns.add(pair); |
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149 } |
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150 } |
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151 } |
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152 |
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153 protected Pair buildPair(Element element) { |
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154 String pattern = element.getAttribute("pattern"); |
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155 String type = element.getAttribute("type"); |
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156 |
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157 if (pattern.length() == 0) { |
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158 log.warn("ANNCLASS: pattern has no 'pattern' attribute."); |
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159 return null; |
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160 } |
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161 |
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162 if (type.length() == 0) { |
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163 log.warn("ANNCLASS: pattern has no 'type' attribute."); |
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164 return null; |
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165 } |
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166 |
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167 ImportAnnotationType annType = types.get(type); |
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168 |
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169 if (annType == null) { |
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170 log.warn("ANNCLASS: pattern has unknown type '" + type + "'"); |
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171 return null; |
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172 } |
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173 |
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174 Pattern p; |
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175 |
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176 try { |
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177 p = Pattern.compile(pattern, |
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178 Pattern.CASE_INSENSITIVE|Pattern.UNICODE_CASE); |
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179 } |
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180 catch (IllegalArgumentException iae) { |
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181 log.warn("ANNCLASS: pattern '" + pattern + "' is invalid.", iae); |
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182 return null; |
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183 } |
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184 |
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185 return new Pair(p, annType); |
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186 } |
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187 |
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188 public ImportAnnotationType getDefaultType() { |
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189 return defaultType; |
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190 } |
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191 |
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192 public ImportAnnotationType classifyFile(String filename) { |
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193 return classifyFile(filename, null); |
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194 } |
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195 |
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|
196 public ImportAnnotationType classifyFile( |
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197 String filename, |
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|
198 ImportAnnotationType def |
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|
199 ) { |
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|
200 if (filename.toLowerCase().endsWith(".km")) { |
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201 filename = filename.substring(0, filename.length()-3); |
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202 } |
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203 |
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204 for (Pair pair: filePatterns) { |
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205 ImportAnnotationType annType = pair.match(filename); |
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|
206 if (annType != null) { |
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207 return annType; |
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|
208 } |
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|
209 } |
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|
210 |
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|
211 return def; |
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|
212 } |
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|
213 |
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|
214 public ImportAnnotationType classifyDescription(String description) { |
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215 return classifyDescription(description, null); |
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|
216 } |
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|
217 |
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|
218 public ImportAnnotationType classifyDescription( |
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|
219 String description, |
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|
220 ImportAnnotationType def |
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|
221 ) { |
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|
222 for (Pair pair: descPatterns) { |
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|
223 ImportAnnotationType annType = pair.match(description); |
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|
224 if (annType != null) { |
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|
225 return annType; |
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|
226 } |
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|
227 } |
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228 |
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|
229 return def; |
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|
230 } |
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|
231 } |
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|
232 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |