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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.util.ArrayList;
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5 import java.util.List;
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6
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7 import javax.xml.parsers.DocumentBuilder;
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8 import javax.xml.parsers.DocumentBuilderFactory;
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9 import javax.xml.xpath.XPath;
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10 import javax.xml.xpath.XPathConstants;
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11 import javax.xml.xpath.XPathExpression;
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12 import javax.xml.xpath.XPathFactory;
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13
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14 import org.w3c.dom.Document;
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15 import org.w3c.dom.Element;
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16 import org.w3c.dom.Node;
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17 import org.w3c.dom.NodeList;
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18
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19 import de.mpiwg.indexmeta.bo.Contextualization;
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20
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21 public class IndexMetaParser {
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22
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23
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24 public static List<Contextualization> getCtxItems(String filePath){
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25 List<Contextualization> rs = new ArrayList<Contextualization>();
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26
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27 try {
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28 File file = new File("/Users/jurzua/Projects/workspace/contextualization/data/index.meta/01index.meta.anno.xml");
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29
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30 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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31 DocumentBuilder builder = factory.newDocumentBuilder();
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32 Document doc = builder.parse(file);
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33
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34 List<Node> nodes = getNodeList(doc, Contextualization.AUTHOR);
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35 for(Node node : nodes){
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36 Contextualization ctx = getCtx(node, "XX");
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37 if(ctx != null){
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38 rs.add(ctx);
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39 }
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40 }
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41
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42 nodes = getNodeList(doc, Contextualization.CITY);
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43 for(Node node : nodes){
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44 Contextualization ctx = getCtx(node, "XX");
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45 if(ctx != null){
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46 rs.add(ctx);
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47 }
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48 }
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49
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50 for(Contextualization ctx : rs){
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51 System.out.println(ctx.toString());
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52 }
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53
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54 } catch (Exception e) {
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55 e.printStackTrace();
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56 }
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57
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58 return rs;
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59 }
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60
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61 public static List<Node> getNodeList(Document doc, String tagName){
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62 List<Node> rs = new ArrayList<Node>();
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63
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64 try {
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65 XPathFactory xPathfactory = XPathFactory.newInstance();
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66 XPath xpath = xPathfactory.newXPath();
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67 XPathExpression expr = xpath.compile("//" + tagName);
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68
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69 Object result = expr.evaluate(doc, XPathConstants.NODESET);
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70
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71 NodeList nodes = (NodeList) result;
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72 for (int i = 0; i < nodes.getLength(); i++) {
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73 Node node = nodes.item(i);
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74 rs.add(node);
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75 }
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76 } catch (Exception e) {
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77 e.printStackTrace();
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78 }
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79
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80 return rs;
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81
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82 }
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83
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84 public static Contextualization getCtx(Node node, String indexMetaId){
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85 if(node instanceof Element){
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86 try{
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87 Element elem = (Element)node;
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88 Contextualization ctx = new Contextualization();
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89 ctx.setIndexMetaId(indexMetaId);
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90 ctx.setType(elem.getNodeName());
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91 ctx.setElementId(elem.getAttribute("context-id"));
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92
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93 Node child = elem.getFirstChild();
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94 if(child != null){
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95 ctx.setContent(child.getNodeValue());
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96 }
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97 return ctx;
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98 }catch (Exception e) {
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99 e.printStackTrace();
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100 }
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101 }
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102
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103
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104 return null;
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105 }
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106
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107 public static void main(String[] args){
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108
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109 getCtxItems("/Users/jurzua/Projects/workspace/contextualization/data/index.meta/01index.meta");
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110 }
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111
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112 public static void printXpathResult(Object result){
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113 NodeList nodes = (NodeList) result;
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114 for (int i = 0; i < nodes.getLength(); i++) {
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115 Node node = nodes.item(i);
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116 if(node instanceof Element){
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117 Element e = (Element)node;
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118
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119 System.out.println("Local Name= " + node.getLocalName());
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120 System.out.println("Value= " + node.getNodeValue());
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121 System.out.println("Name= " + node.getNodeName());
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122 System.out.println("getFirstChild value= " + node.getFirstChild().getNodeValue());
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123 System.out.println(node);
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124 }
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125 }
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126 }
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127 }
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