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1 package de.mpiwg.itgroup.eSciDoc.foxridge;
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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 import de.mpiwg.itgroup.eSciDoc.echoObjects.ECHOObject;
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39 import de.mpiwg.itgroup.eSciDoc.echoObjects.ECHORessource;
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40
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41 /**
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42 * An iterator which iterates through the contents of a java directory. The
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43 * iterator should be created with the directory at the root of the Java
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44 * namespace.
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45 *
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46 */
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47 public class IndexMetaIterator implements Iterator<ECHOObject> {
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48
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49 private File rootFolder;
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50 private File currentFolder;
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51 private Stack<String> stack;
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52 private ArrayList<String>filter; //Array of paths which shouldn'T be indexed
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53
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54 public IndexMetaIterator(File rootFolder) throws IOException{
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55
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56 filter = new ArrayList<String>();
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57 filter.add("/mpiwg/online/permanent/SudanRockArt"); // TODO: make this configurable
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58
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59 this.rootFolder=rootFolder;
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60 this.currentFolder=rootFolder;
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61 this.stack = new Stack<String>();
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62
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63 for (String f:rootFolder.list()){
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64 String fn = rootFolder.getCanonicalPath()+"/"+f;
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65 if (!filter.contains(fn)){
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66 if (!f.equals("")){ // FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
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67 stack.push(fn);}
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68 else {
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69 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with charakters I cannot read!" );
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70 }
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71 }
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72 }
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73 }
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74 @Override
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75 public boolean hasNext() {
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76 // TODO Auto-generated method stub
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77 return !stack.isEmpty();
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78 }
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79
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80 @Override
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81 public ECHOObject next() {
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82 // TODO Auto-generated method stub
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83 String nextFile = stack.pop();
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84 while(!nextFile.endsWith(".meta") && !stack.isEmpty()){
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85 System.out.println("CHECK_________"+nextFile);
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86
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87
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88 if(!nextFile.endsWith("pageimg") & !nextFile.endsWith("pages") & !nextFile.endsWith("pagesHi") & !nextFile.endsWith("pagesLo")
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89 & !nextFile.endsWith("pageimg")){ //skip pageimg
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90
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91 File nf = new File(nextFile);
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92
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93 if(nf.isDirectory()){
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94 String[] filesInDirectory=nf.list();
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95 if (filesInDirectory != null){
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96 for (String f:filesInDirectory){
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97 String fn;
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98 try {
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99 if (!f.startsWith(".")){
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100 fn = nf.getCanonicalPath()+"/"+f;
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101 if (!filter.contains(fn)){
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102 if (!f.equals("")) {// FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
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103 stack.push(fn);}
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104 else {
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105 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with characters I cannot read!" );
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106 }
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107
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108 }
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109 }
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110 } catch (IOException e) {
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111 // TODO Auto-generated catch block
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112 e.printStackTrace();
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113 }
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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 try {
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127 if (nextFile!=null)
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128 return createECHOObject(new File(nextFile));
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129 } catch (JDOMException e) {
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130 // TODO Auto-generated catch block
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131 e.printStackTrace();
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132 } catch (IOException e) {
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133 // TODO Auto-generated catch block
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134 e.printStackTrace();
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135 } catch (Exception e) {
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136 // TODO Auto-generated catch block
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137 e.printStackTrace();
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138 }
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139 return null;
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140 }
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141
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142 private ECHOObject createECHOObject(File nextFile) throws Exception {
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143
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144 //Document doc = new SAXBuilder().build(nextFile);
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145 try{
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146 FoxridgeRessource er = new FoxridgeRessource(nextFile.getParentFile().getName(),nextFile.getParentFile().getAbsolutePath(),null);
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147
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148 er.metaData = er.correctML(nextFile.getAbsolutePath());
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149 //er.pid=er.getPid(); //TODO: not needed any more?
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150 er.echoUrl=er.metaData; //TODO find a better solution, what to present here, z.b. texttool-tag auswerten.
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151 return er;
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152 } catch (Exception e) {
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153 // TODO Auto-generated catch block
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154 e.printStackTrace();
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155 throw new Exception();
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156 }
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157 }
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158 @Override
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159 public void remove() {
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160 // TODO Auto-generated method stub
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161
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162 }
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163
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164
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165
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166 }
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