Mercurial > hg > IndexMetaContextualizer

annotate src/main/java/de/mpiwg/indexmeta/IndexMetaParser.java @ 8:9ce7979fd037

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Implementation Data Provider
author Jorge Urzua <jurzua@mpiwg-berlin.mpg.de>
date Wed, 24 Apr 2013 10:34:23 +0200
parents 7d231e4e86e5
children
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1 package de.mpiwg.indexmeta;
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2
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3 import java.io.File;
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4 import java.io.FilenameFilter;
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5 import java.util.ArrayList;
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6 import java.util.List;
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7
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8 import javax.xml.parsers.DocumentBuilder;
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9 import javax.xml.parsers.DocumentBuilderFactory;
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10 import javax.xml.xpath.XPath;
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11 import javax.xml.xpath.XPathConstants;
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12 import javax.xml.xpath.XPathExpression;
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13 import javax.xml.xpath.XPathFactory;
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14
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15 import org.apache.commons.lang.StringUtils;
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16 import org.w3c.dom.Document;
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17 import org.w3c.dom.Element;
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18 import org.w3c.dom.Node;
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19 import org.w3c.dom.NodeList;
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20
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21 import de.mpiwg.indexmeta.bo.Contextualization;
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22
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23 public class IndexMetaParser {
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25 public static String indexMetaFile = "index.meta";
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26 public static String annotatedIndexMetaFile = "index.meta.annot";
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28 /*
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29 public static List<Contextualization> getCtxItems(String filePath){
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30 List<Contextualization> rs = new ArrayList<Contextualization>();
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31
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32 try {
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33 File file = new File("/Users/jurzua/Projects/workspace/contextualization/data/index.meta/01index.meta.anno.xml");
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34
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35 if(file.isFile()){
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36 rs = getCtxItemsFromFile(file, rs);
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37 }else if(file.isDirectory()){
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38 rs = getCtxItemsFromDirectory(file, rs);
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39 }
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40
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41 } catch (Exception e) {
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42 e.printStackTrace();
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43 }
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44
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45 return rs;
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46 }
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47 */
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48
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49 public static List<Contextualization> getCtxFromDirectory(String directory){
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50 List<Contextualization> rs = new ArrayList<Contextualization>();
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51
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52 try {
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53 File file = new File(directory);
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54 rs = getCtxItemsFromDirectory(file, rs);
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55 } catch (Exception e) {
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56 e.printStackTrace();
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57 }
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58
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59 return rs;
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60 }
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61
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62 public static List<Contextualization> getCtxFromResource(String indexMetaResource){
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63 List<Contextualization> rs = new ArrayList<Contextualization>();
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64
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65 try {
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66 File file = new File(indexMetaResource);
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67 rs = getCtxItemsFromIndexMetaResource(file, rs);
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68 } catch (Exception e) {
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69 e.printStackTrace();
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70 }
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71
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72 return rs;
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73 }
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74
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76
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77 private static List<Contextualization> getCtxItemsFromDirectory(File directory, List<Contextualization> rs) throws Exception{
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78 String canonicalPath = directory.getCanonicalPath();
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79 System.out.println(canonicalPath);
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80
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81 File[] files = directory.listFiles();
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82
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83 for(File indexMetaResource : files){
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84
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85 if(indexMetaResource.isDirectory()){
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86 rs = getCtxItemsFromIndexMetaResource(indexMetaResource, rs);
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87 }
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88 }
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89 return rs;
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90 }
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91
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92 private static List<Contextualization> getCtxItemsFromIndexMetaResource(File indexMetaResource, List<Contextualization> rs){
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93
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94 System.out.print("Working on: " + indexMetaResource.getName());
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95
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96 File[] list0 = indexMetaResource.listFiles(indexMetaFilter);
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97 File annotatedFile = null;
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98
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99 if(list0.length != 0){
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100 System.out.print("\tFound: " + indexMetaFile);
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101 File[] list1 = indexMetaResource.listFiles(annotatedIndexMetaFilter);
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102 if(list1.length == 0){
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103 //create annotated file
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104 System.out.print("\tAnnotated no found");
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105 try{
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106 annotatedFile = AnnotateIndexMeta.xmlParse(list0[0].getAbsolutePath(), null);
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107 }catch (Exception e) {
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108 e.printStackTrace();
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109 }
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110
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111 }else{
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112 annotatedFile = list1[0];
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113 }
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114 }
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115 rs = getCtxItemsFromFile(annotatedFile, rs, indexMetaResource.getName());
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116
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117 System.out.println();
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118
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119 return rs;
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120 }
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121
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122 private static List<Contextualization> getCtxItemsFromFile(File file, List<Contextualization> rs, String indexMetaId){
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123
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124 try {
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125 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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126 DocumentBuilder builder = factory.newDocumentBuilder();
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127 Document doc = builder.parse(file);
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128
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129
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130 for(String ctxElement : Contextualization.contextualizableList){}
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131
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132 List<Node> nodes = getNodeList(doc, Contextualization.AUTHOR);
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133 for(Node node : nodes){
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134 Contextualization ctx = getCtx(node, indexMetaId);
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135 if(ctx != null){
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136 rs.add(ctx);
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137 }
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138 }
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139
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140 nodes = getNodeList(doc, Contextualization.CITY);
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141 for(Node node : nodes){
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142 Contextualization ctx = getCtx(node, indexMetaId);
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143 if(ctx != null){
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144 rs.add(ctx);
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145 }
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146 }
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147 } catch (Exception e) {
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148 e.printStackTrace();
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149 }
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150
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151
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152 return rs;
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153 }
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154
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155
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156 public static List<Node> getNodeList(Document doc, String tagName){
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157 List<Node> rs = new ArrayList<Node>();
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158
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159 try {
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160 XPathFactory xPathfactory = XPathFactory.newInstance();
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161 XPath xpath = xPathfactory.newXPath();
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162 XPathExpression expr = xpath.compile("//" + tagName);
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163
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164 Object result = expr.evaluate(doc, XPathConstants.NODESET);
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165
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166 NodeList nodes = (NodeList) result;
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167 for (int i = 0; i < nodes.getLength(); i++) {
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168 Node node = nodes.item(i);
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169 rs.add(node);
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170 }
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171 } catch (Exception e) {
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172 e.printStackTrace();
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173 }
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174
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175 return rs;
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176
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177 }
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178
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179 public static Contextualization getCtx(Node node, String indexMetaId){
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180 if(node instanceof Element){
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181 try{
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182 Element elem = (Element)node;
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183 Contextualization ctx = new Contextualization();
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184 ctx.setIndexMetaId(indexMetaId);
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185 ctx.setType(elem.getNodeName());
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186 ctx.setElementId(elem.getAttribute("context-id"));
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187
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188 Node child = elem.getFirstChild();
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189 if(child != null){
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190 ctx.setContent(child.getNodeValue());
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191 }
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192 return ctx;
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193 }catch (Exception e) {
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194 e.printStackTrace();
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195 }
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196 }
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197
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198
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199 return null;
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200 }
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201
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202 public static void main(String[] args){
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203
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204 //--/Volumes/online_permanent/library
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205 //getCtxItems("/Users/jurzua/Projects/workspace/contextualization/data/index.meta/01index.meta");
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206 List<Contextualization> rs = getCtxFromDirectory("/Users/jurzua/Projects/max-planck/index_meta/library");
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207 //List<Contextualization> rs = getCtxFromResource("/Users/jurzua/Projects/max-planck/index_meta/library/BB1RH90M");
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208
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209 for(Contextualization ctx : rs){
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210 System.out.println(ctx.toString());
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211 }
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212
0
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213 }
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214
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215 public static void printXpathResult(Object result){
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216 NodeList nodes = (NodeList) result;
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217 for (int i = 0; i < nodes.getLength(); i++) {
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218 Node node = nodes.item(i);
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219 if(node instanceof Element){
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220 Element e = (Element)node;
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221
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222 System.out.println("Local Name= " + node.getLocalName());
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223 System.out.println("Value= " + node.getNodeValue());
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224 System.out.println("Name= " + node.getNodeName());
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225 System.out.println("getFirstChild value= " + node.getFirstChild().getNodeValue());
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226 System.out.println(node);
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227 }
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228 }
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229 }
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230
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231 private static FilenameFilter indexMetaFilter = new FilenameFilter() {
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232 public boolean accept(File directory, String fileName) {
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233 return StringUtils.equals(fileName, indexMetaFile);
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234 }
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235 };
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236
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237 private static FilenameFilter annotatedIndexMetaFilter = new FilenameFilter() {
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238 public boolean accept(File directory, String fileName) {
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239 return StringUtils.equals(fileName, annotatedIndexMetaFile);
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240 }
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241 };
0
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242 }