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1 package de.mpiwg.itgroup.indexMeta2RDF;
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2
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3
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4 /*
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5 * Copyright 2000-2004 The Apache Software Foundation
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6 *
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7 * Licensed under the Apache License, Version 2.0 (the "License");
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8 * you may not use this file except in compliance with the License.
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9 * You may obtain a copy of the License at
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10 *
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11 * http://www.apache.org/licenses/LICENSE-2.0
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12 *
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13 * Unless required by applicable law or agreed to in writing, software
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * See the License for the specific language governing permissions and
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17 * limitations under the License.
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18 *
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19 */
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20
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21 import java.io.File;
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22 import java.io.FileInputStream;
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23 import java.io.IOException;
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24 import java.util.ArrayList;
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25 import java.util.Enumeration;
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26 import java.util.Iterator;
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27 import java.util.List;
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28 import java.util.Stack;
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29 import java.util.Vector;
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30
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31
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32
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33 import org.apache.log4j.Logger;
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34 import org.jdom.Document;
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35 import org.jdom.JDOMException;
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36 import org.jdom.input.SAXBuilder;
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37
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38
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39 /**
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40 * An iterator which iterates through the contents of a java directory. The
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41 * iterator should be created with the directory at the root of the Java
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42 * namespace.
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43 *
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44 */
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45 public class IndexMetaIterator implements Iterator<String> {
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46
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47 private File rootFolder;
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48 private File currentFolder;
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49 private Stack<String> stack;
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50 private ArrayList<String>filter; //Array of paths which shouldn'T be indexed
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51
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52 public IndexMetaIterator(File rootFolder) throws IOException{
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53
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54 filter = new ArrayList<String>();
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55 filter.add("/mpiwg/online/permanent/SudanRockArt"); // TODO: make this configurable
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56
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57 this.rootFolder=rootFolder;
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58 this.currentFolder=rootFolder;
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59 this.stack = new Stack<String>();
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60
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61 for (String f:rootFolder.list()){
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62 String fn = rootFolder.getCanonicalPath()+"/"+f;
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63 if (!filter.contains(fn)){
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64 if (!f.equals("")){ // FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
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65 stack.push(fn);}
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66 else {
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67 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with charakters I cannot read!" );
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68 }
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69 }
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70 }
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71 }
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72 @Override
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73 public boolean hasNext() {
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74 // TODO Auto-generated method stub
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75 return !stack.isEmpty();
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76 }
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77
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78 @Override
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79 public String next() {
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80 // TODO Auto-generated method stub
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81 String nextFile = stack.pop();
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82 while(!nextFile.endsWith(".meta") && !stack.isEmpty()){
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83 System.out.println("CHECK_________"+nextFile);
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84
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85
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86 if(!nextFile.endsWith("pageimg")){ //skip pageimg
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87
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88
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89 File nf = new File(nextFile);
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90
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91
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92 if(nf.isDirectory()){
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93 String[] ls = nf.list();
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94 if (ls==null){
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95 return null;
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96 }
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97 for (String f:ls){
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98 String fn;
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99 try {
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100 if (!f.startsWith(".")){
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101 fn = nf.getCanonicalPath()+"/"+f;
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102 if (!filter.contains(fn)){
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103 if (!f.equals("")) {// FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
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104 stack.push(fn);}
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105 else {
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106 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with characters I cannot read!" );
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107 }
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108
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109 }
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110 }
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111 } catch (IOException e) {
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112 // TODO Auto-generated catch block
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113 e.printStackTrace();
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114 }
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115
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116 }
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117 }
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118 }
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119
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120 nextFile = stack.pop();
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121
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122 }
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123 if (!nextFile.endsWith(".meta")) //der letzte Eintrag muss noch gretrennt getestet werden.
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124 nextFile = null;
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125 System.out.println("FOUND:"+nextFile);
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126
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127 if (nextFile!=null)
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128 return nextFile;
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129
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130 return null;
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131 }
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132
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133
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134 @Override
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135 public void remove() {
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136 // TODO Auto-generated method stub
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137
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138 }
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139
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140
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141
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142 }
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143
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144
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145
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