1 | package org.honours.agents;
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2 |
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3 | import java.awt.Color;
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4 | import java.io.BufferedWriter;
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5 | import java.io.File;
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6 | import java.io.FileInputStream;
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7 | import java.io.FileOutputStream;
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8 | import java.io.FileWriter;
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9 | import java.util.ArrayList;
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10 | import java.util.List;
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11 |
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12 | import org.expeditee.agents.DefaultAgent;
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13 | import org.expeditee.gui.Frame;
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14 | import org.expeditee.gui.MessageBay;
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15 |
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16 | import org.honours.Main;
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17 | import org.honours.collection.*;
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18 | import org.honours.greenstone.CollectionContentEditor;
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19 | import org.honours.greenstone.CollectionCustomizer;
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20 |
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21 | /**
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22 | * This agent sends a collection (represented by an
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23 | * Expeditee frameset) back to Greenstone.
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24 | * @author Korii Scrivener
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25 | */
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26 | public class CollectionToGreenstone extends DefaultAgent {
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27 |
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28 | private static String COLLECTIONS_HOME;
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29 | private static String _collection;
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30 | private static String _collectionPath;
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31 | private static List<String[]> _filesToMove = new ArrayList<String[]>();
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32 |
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33 |
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34 | public static void addFileToMove(String filename, String assocfilepath){
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35 | _filesToMove.add(new String[]{filename,assocfilepath});
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36 | }
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37 |
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38 | public Frame process(Frame frame){
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39 |
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40 | //Check if frame belongs to a collection and then obtain a
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41 | //collection object.
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42 | Collection collection = Collection.findCollection(frame);
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43 |
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44 | if(collection == null){
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45 | MessageBay.errorMessage("Error: No collection could be obtained for" + frame.getFramesetName() +
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46 | ". GSDL exporter is now stopping.");
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47 | return null;
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48 | }
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49 |
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50 | _collection = collection.getName();
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51 |
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52 |
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53 | //Check if GSDL is set.
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54 | if(Main.GSDL_HOME != null){
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55 | COLLECTIONS_HOME = Main.GSDL_HOME + File.separator + "sites" + File.separator + "localsite" + File.separator + "collect";
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56 | _collectionPath = COLLECTIONS_HOME + File.separator + _collection;
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57 | }else{
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58 | MessageBay.errorMessage("ERROR: No Greenstone environment variable set. Now stopping");
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59 | return null;
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60 | }
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61 |
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62 | File collectionFolder = new File(COLLECTIONS_HOME + File.separator + _collection);
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63 |
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64 | if(collectionFolder.isDirectory())
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65 | rebuildCollection(collection);
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66 |
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67 | MessageBay.displayMessage("Success: Collection has been successfully edited & rebuilt", Color.green);
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68 |
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69 | return null;
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70 | }
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71 |
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72 | /**
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73 | * Rebuild the Greenstone collection.
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74 | * @param collection
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75 | */
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76 | private void rebuildCollection(Collection collection){
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77 | try{
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78 | CollectionCustomizer customizer = CollectionCustomizer.getInstance(_collectionPath);
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79 |
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80 | CollectionContentEditor contentEditor = null;
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81 |
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82 | //loop through all the items in the collection and read their matching frames.
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83 | for(int i = 0; i < collection.getItems().size(); i++){
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84 |
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85 | CollectionItem currCI = collection.getItems().get(i);
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86 | Frame currCiFrame = currCI.getFrame();
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87 |
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88 | if(currCiFrame == null)
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89 | continue;
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90 |
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91 | contentEditor = new CollectionContentEditor(currCI,_collectionPath);
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92 |
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93 | if(i == 0)
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94 | customizer.customize(currCI);
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95 |
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96 | contentEditor.editCollectionItems();
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97 | }
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98 |
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99 | build();
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100 | CollectionCustomizer.reset();
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101 |
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102 | /*sleep to give time for collection to be rebuilt before
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103 | *proceeding to move files to index/assoc/assocfilepath directory. Otherwise
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104 | *if you try to move files while rebuilding is still going, they will just be removed.
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105 | *This is done for moving/adding extra files. Maybe it would be better to add them elsewhere
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106 | *i.e. an "images folder...*/
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107 | Thread.sleep(45000);
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108 |
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109 | //move any images to index/assoc folder in GSDL once building is completed.
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110 | moveFiles();
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111 |
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112 | _filesToMove = new ArrayList<String[]>();
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113 |
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114 | }catch(Exception e){
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115 | e.printStackTrace();
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116 | return;
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117 | }
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118 | }
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119 |
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120 | /**
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121 | * Method to move files currently not part of collection (e.g. images)
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122 | * to the collection's index/assoc/assocfilepath directory.
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123 | */
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124 | private static void moveFiles()
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125 | {
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126 | try{
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127 |
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128 | String newPath = _collectionPath + File.separator + "index" + File.separator + "assoc" + File.separator;
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129 |
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130 | for(int i =0; i < _filesToMove.size(); i++){
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131 | String f = _filesToMove.get(i)[0];
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132 | String a = _filesToMove.get(i)[1];
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133 |
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134 | newPath += a + File.separator;
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135 |
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136 | File origFile = new File(f);
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137 | if(origFile.exists()){
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138 | FileInputStream fis = new FileInputStream(origFile);
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139 | newPath += origFile.getName();
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140 |
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141 | FileOutputStream fos = new FileOutputStream(newPath);
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142 |
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143 | byte[] buf = new byte[fis.available()];
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144 | fis.read(buf);
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145 | fos.write(buf);
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146 | }
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147 |
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148 | newPath = _collectionPath + File.separator + "index" + File.separator + "assoc" + File.separator;
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149 | }
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150 | }catch(Exception e){
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151 | e.printStackTrace();
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152 | }
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153 | }
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154 |
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155 |
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156 | /**
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157 | * Run batch script to rebuild collection.
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158 | */
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159 | private void build(){
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160 |
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161 | try{
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162 | //"cmd /c start .../build.bat"
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163 | String command = "cmd /c start collectionBuilder.bat";
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164 | createBatchFile();
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165 | Runtime.getRuntime().exec(command);
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166 | }
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167 | catch(Exception e){
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168 | MessageBay.errorMessage("ERROR: Failed to build collection.");
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169 | e.printStackTrace();
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170 | return;
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171 | }
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172 | }
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173 |
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174 | /**
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175 | * Method to create batch file which runs when
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176 | * we want to export a frameset to Greenstone and
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177 | * rebuild the matching collection.
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178 | */
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179 | private void createBatchFile(){
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180 |
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181 | StringBuffer cmds = new StringBuffer("");
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182 | cmds.append("@echo off\n");
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183 |
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184 | //TODO: Change this so it uses a relative path to GSDL.
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185 | String chdir = "C:\\Research\\Pei-Jones-Taonga\\expeditee-svn\\images\\greenstone3-svn4";
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186 | cmds.append("chdir \"" + ((chdir != null) ? chdir : "") + "\"\n");
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187 | cmds.append("call \"./gs3-setup.bat\"\n");
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188 |
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189 | cmds.append("perl -S buildcol.pl -verbosity 5 -site localsite " + _collection + "\n");
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190 | //cmds.append("perl -S incremental-rebuild.pl -verbosity 5 -site localsite " + _collection + "\n");
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191 | cmds.append("perl -S activate.pl -site localsite " + _collection + "\n");
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192 | cmds.append("pause\n");
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193 | cmds.append("exit\n");
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194 |
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195 | try{
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196 | FileWriter fwriter = new FileWriter("collectionBuilder.bat");
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197 | BufferedWriter out = new BufferedWriter(fwriter);
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198 | out.write(cmds.toString());
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199 | out.close();
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200 | }catch(Exception e){
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201 | e.printStackTrace();
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202 | return;
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203 | }
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204 | }
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205 |
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206 | }
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