1 | package org.greenstone.gsdl3.gs3build;
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2 |
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3 | import java.util.Date;
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4 | import java.util.Calendar;
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5 | import java.util.List;
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6 | import java.util.ArrayList;
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7 | import java.util.Map;
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8 | import java.util.HashMap;
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9 | import java.util.Iterator;
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10 | import java.util.GregorianCalendar;
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11 |
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12 | import java.io.File;
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13 | import java.io.IOException;
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14 | import java.io.FileOutputStream;
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15 | import java.io.BufferedWriter;
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16 | import java.io.OutputStreamWriter;
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17 |
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18 | import java.net.URL;
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19 | import java.net.URLEncoder;
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20 |
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21 | import java.sql.*;
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22 |
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23 | import javax.xml.parsers.*;
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24 |
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25 | import org.w3c.dom.Document;
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26 | import org.w3c.dom.Element;
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27 | import org.w3c.dom.NamedNodeMap;
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28 | import org.w3c.dom.Node;
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29 | import org.w3c.dom.NodeList;
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30 | import org.w3c.dom.Text;
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31 |
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32 | import org.xml.sax.SAXException;
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33 | import org.xml.sax.SAXParseException;
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34 |
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35 | import org.greenstone.gsdl3.gs3build.database.*;
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36 | import org.greenstone.gsdl3.gs3build.collection.*;
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37 | import org.greenstone.gsdl3.gs3build.classifier.*;
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38 | import org.greenstone.gsdl3.gs3build.indexers.*;
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39 | import org.greenstone.gsdl3.gs3build.doctypes.RecogniserInterface;
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40 |
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41 | import org.greenstone.gsdl3.gs3build.util.DOMUtils;
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42 | import org.greenstone.gsdl3.gs3build.util.URLTools;
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43 |
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44 | import org.greenstone.gsdl3.util.GSFile;
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45 | import org.greenstone.gsdl3.util.GSXML;
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46 | import org.greenstone.gsdl3.util.XMLConverter;
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47 |
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48 | /**
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49 | * Store and hold collection-level configuration information for a collection.
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50 | * This should be used by BuildManager to work out which classes, etc. to load
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51 | * at build time, and as a repository for the collection-level metadata, and
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52 | * a means of loading and saving the same to a file or database, as is seen
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53 | * fit in the final development of gs3.
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54 | */
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55 |
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56 | public class CollectionManager
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57 | {
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58 | GregorianCalendar lastBuildDate; // pretty obvious
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59 | String adminEmail; // the email address of the administrator of the
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60 | // collection
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61 | int buildDocNo; // used to generate document identifiers
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62 | CollectionMetadata metadata; // collection-level metadata
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63 | GS3SQLConnection database; // the database to store everything in
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64 | String collectionHome;
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65 | String siteHome;
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66 | String collectionName;
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67 | String qualifiedCollectionName; // used as the database name
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68 |
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69 | BuildManager buildManager;
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70 |
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71 | class CollectionClassifier
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72 | { URL file;
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73 | String type;
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74 | List fields;
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75 | String sort;
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76 | String className;
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77 |
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78 | public CollectionClassifier(URL parentURL, String type, String className, Node node)
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79 | { this.type = type;
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80 | this.className = className;
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81 | this.fields = new ArrayList();
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82 |
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83 | NodeList children = node.getChildNodes();
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84 | for (int c = 0; c < children.getLength(); c ++) {
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85 | Node child = children.item(c);
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86 |
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87 | if (child.getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {
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88 | String name = child.getNodeName();
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89 |
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90 | if (name.equals("file")) {
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91 | NamedNodeMap atts = children.item(c).getAttributes();
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92 | Node attribute = atts.getNamedItem("URL");
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93 | String urlString = attribute.getNodeValue();
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94 | if (urlString == null)
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95 | continue;
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96 |
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97 | System.out.println("Path is" + parentURL.getPath());
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98 | System.out.println("Host is" + parentURL.getHost());
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99 | System.out.println(urlString);
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100 |
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101 | try {
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102 | URL url = new URL(parentURL, urlString);
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103 | this.file = url;
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104 | System.out.println(url);
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105 | }
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106 | catch (java.net.MalformedURLException malEx) {
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107 | System.out.println(malEx);
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108 | }
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109 | }
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110 | else if (name.equals("field")) {
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111 | String fieldName = DOMUtils.getNodeChildText(children.item(c));
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112 | this.fields.add(fieldName.toString());
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113 | }
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114 | else if (name.equals("sort")) {
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115 | String sortName = DOMUtils.getNodeChildText(children.item(c));
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116 | this.sort = sortName;
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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 |
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122 | public ClassifierInterface getClassifier()
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123 | { ClassifierInterface classifier = null;
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124 |
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125 | if (this.type == null) {
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126 | return null;
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127 | }
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128 | System.out.println("Creating a classifier of type " + this.type.toLowerCase());
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129 |
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130 | if (this.type.toLowerCase().equals("hierarchy")) {
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131 | System.out.println(" hierarchy file is " + this.file);
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132 | classifier = new HierarchyClassifier(this.className, this.file, this.fields, this.sort);
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133 | }
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134 | else if (this.type.toLowerCase().equals("azlist")) {
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135 | classifier = new AZListClassifier(this.className, this.fields);
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136 | }
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137 |
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138 | return classifier;
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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 | * Create the collection manager for a given collection
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144 | *
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145 | * @param site the name of the site
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146 | * @param collection <code>String</code> the name of the collection
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147 | */
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148 | public CollectionManager(String site, String collection) {
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149 |
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150 | String gsdl3Root = System.getProperty("GSDL3HOME");
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151 | if (gsdl3Root == null) {
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152 | System.out.println("Error: Unable to locate GSDL3HOME");
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153 | System.exit(1);
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154 | //return;
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155 | }
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156 |
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157 | this.siteHome = GSFile.siteHome(gsdl3Root, site);
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158 | File site_dir = new File(this.siteHome);
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159 | System.out.println(site_dir);
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160 | if (!site_dir.exists()) {
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161 | System.out.println("Error: Non-existant site ("+site+") specified");
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162 | System.exit(1);
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163 | }
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164 | site_dir = null;
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165 | this.collectionHome = GSFile.collectionBaseDir(this.siteHome, collection);
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166 |
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167 | File collect_dir = new File(this.collectionHome);
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168 | if (!collect_dir.exists()) {
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169 | System.out.println("Error: Non-existant collection ("+collection+") specified in site "+site);
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170 | System.exit(1);
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171 | }
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172 | collect_dir = null;
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173 |
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174 | this.collectionName = collection;
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175 | this.qualifiedCollectionName = site+"_"+collection;
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176 |
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177 | this.database = GS3SQLConnectionFactory.getGS3SQLConnection(this.qualifiedCollectionName);
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178 | /* if (this.database != null) {
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179 | this.database.clearCollection(collection);
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180 | this.database = null;
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181 | }
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182 | */
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183 | if (this.database == null) {
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184 | this.database = GS3SQLConnectionFactory.getGS3SQLConnection("test");
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185 | boolean success = this.database.initCollection(this.qualifiedCollectionName);
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186 | if (!success) {
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187 | System.err.println("couldn't init collection " + this.qualifiedCollectionName);
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188 | System.exit(1);
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189 | }
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190 | }
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191 |
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192 | this.metadata = new CollectionMetadata();
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193 |
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194 | File buildDirectory = new File(getBuildDirectory());
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195 | if (!buildDirectory.exists()) {
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196 | buildDirectory.mkdir();
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197 | }
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198 | if (!buildDirectory.isDirectory()) {
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199 | System.err.println("Unable to open directory " + buildDirectory + " for writing");
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200 | System.exit(1);
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201 | }
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202 |
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203 | File archiveDirectory = new File(getArchiveDirectory());
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204 | if (!archiveDirectory.exists()) {
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205 | archiveDirectory.mkdir();
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206 | }
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207 | if (!archiveDirectory.isDirectory()) {
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208 | System.err.println("Unable to open directory " + archiveDirectory + " for writing");
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209 | System.exit(1);
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210 | }
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211 |
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212 | this.buildDocNo = 1;
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213 |
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214 | try {
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215 | GS3SQLSelect select = new GS3SQLSelect("build");
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216 | select.addField("*");
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217 | this.database.execute(select.toString());
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218 | ResultSet results = this.database.getResultSet();
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219 | if (results != null &&
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220 | results.first()) {
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221 | System.out.println("Reading all keys");
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222 | do {
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223 | String key = results.getString("buildKey");
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224 | String value = results.getString("buildValue");
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225 |
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226 | if (key.equals("NextSeqNo")) {
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227 | this.buildDocNo = Integer.parseInt(value);
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228 | }
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229 | else if (key.equals("lastBuildDate")) {
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230 | int year, month, day;
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231 | year = Integer.parseInt(value.substring(0, 4));
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232 | month = Integer.parseInt(value.substring(4, 6)) - 1; // -1 because Gregorian Calendar perversely treats January as 0, etc.
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233 | day = Integer.parseInt(value.substring(6, 8));
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234 |
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235 | this.lastBuildDate = new GregorianCalendar(year, month, day);
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236 | }
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237 | } while (results.next());
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238 | }
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239 | }
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240 | catch (SQLException ex)
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241 | { System.out.println(ex);
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242 | }
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243 | }
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244 |
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245 | public void setBuildManager(BuildManager build_man)
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246 | { this.buildManager = build_man;
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247 | }
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248 |
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249 | private void configureBrowsers(Node node, File etcFile)
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250 | { CollectionClassifier classifier = null;
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251 | URL etcURL = null;
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252 |
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253 | etcURL = URLTools.getFileURL(etcFile);
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254 |
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255 | NodeList children = node.getChildNodes();
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256 | for (int c = 0; c < children.getLength(); c ++)
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257 | { // assume that non-element children are irrelevant
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258 | if (children.item(c).getNodeType() != org.w3c.dom.Node.ELEMENT_NODE)
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259 | { continue;
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260 | }
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261 |
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262 | String name = children.item(c).getNodeName();
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263 | System.out.println(name);
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264 |
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265 | if (name.equals(GSXML.CLASSIFIER_ELEM))
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266 | { NamedNodeMap atts = children.item(c).getAttributes();
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267 |
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268 | // get the type attribute
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269 | Node attribute = atts.getNamedItem(GSXML.TYPE_ATT);
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270 | if (attribute == null) {
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271 | continue;
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272 | }
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273 | String type = attribute.getNodeValue();
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274 |
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275 | // get the type attribute
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276 | attribute = atts.getNamedItem(GSXML.NAME_ATT);
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277 | if (attribute == null) {
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278 | continue;
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279 | }
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280 | String className = attribute.getNodeValue();
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281 |
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282 | classifier = new CollectionClassifier(etcURL, type, className, children.item(c));
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283 |
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284 | System.out.println("Found classifier " + type);
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285 |
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286 | // attach the classifier
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287 | ClassifierInterface classify = classifier.getClassifier();
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288 | this.buildManager.getClassifierManager().addClassifier(classify);
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289 | }
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290 | }
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291 | }
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292 |
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293 | public void configureCollection()
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294 | { File collectionConfig = new File(GSFile.collectionConfigFile(this.collectionHome));
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295 |
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296 | // get the File and read it in
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297 | try
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298 | {
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299 | DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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300 | DocumentBuilder builder = factory.newDocumentBuilder();
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301 | Document document = builder.parse(collectionConfig);
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302 |
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303 | // TODO: report an error
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304 | if (document == null)
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305 | {
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306 | }
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307 |
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308 | // now parse the manager file...
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309 | Element rootElement = document.getDocumentElement();
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310 |
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311 | if (rootElement.getTagName() != GSXML.COLLECTION_CONFIG_ELEM)
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312 | { // TODO: throw exception
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313 | }
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314 |
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315 | System.out.println("Configuring collection");
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316 |
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317 | NodeList children = rootElement.getChildNodes();
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318 | for (int c = 0; c < children.getLength(); c ++)
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319 | { // assume that non-element children are irrelevant
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320 | if (children.item(c).getNodeType() != org.w3c.dom.Node.ELEMENT_NODE)
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321 | { continue;
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322 | }
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323 |
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324 | String name = children.item(c).getNodeName();
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325 |
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326 | // the name is a plugin element
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327 |
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328 | if (name.equals(GSXML.RECOGNISE_ELEM)) {
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329 | System.out.println("recognise elem");
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330 |
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331 | NodeList doc_types = ((Element)children.item(c)).getElementsByTagName(GSXML.DOC_TYPE_ELEM);
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332 | for(int i=0; i<doc_types.getLength(); i++) {
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333 | Element doc_type = (Element)doc_types.item(i);
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334 | String type = doc_type.getAttribute(GSXML.NAME_ATT);
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335 | System.err.println("adding recogniser, type "+type);
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336 | RecogniserInterface ri = this.buildManager.getRecogniserManager().addRecogniser(type);
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337 | if (ri != null) {
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338 | ri.configure(doc_type);
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339 | }
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340 | }
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341 | } else if (name.equals(GSXML.SEARCH_ELEM)) {
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342 | // pick up attributes from the <search> tag now...
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343 | NamedNodeMap searchAttributes = children.item(c).getAttributes();
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344 | Node searchAttribute = searchAttributes.getNamedItem(GSXML.TYPE_ATT);
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345 | String searchType = null;
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346 | if (searchAttribute != null) {
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347 | searchType = searchAttribute.getNodeValue();
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348 | } else {
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349 | System.out.println("no "+GSXML.TYPE_ATT+" attribute found for the "+GSXML.SEARCH_ELEM+" element, assuming mg");
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350 | searchType = MGIndexer.MG_INDEX_TYPE;
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351 | }
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352 |
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353 | searchAttribute = searchAttributes.getNamedItem(GSXML.NAME_ATT);
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354 | String searchName = null;
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355 | if (searchAttribute != null) {
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356 | searchName = searchAttribute.getNodeValue();
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357 | }
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358 | if (searchName == null) {
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359 | searchName = "idx"; // need to modify this if we have two search elements with no names
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360 | }
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361 | // create the pertinent indexer...
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362 | IndexerInterface indexer = IndexerFactory.makeIndexer(searchType, searchName);
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363 |
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364 | if (indexer == null) {
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365 | continue;
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366 | }
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367 |
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368 | // configure the indexer
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369 | indexer.configure(children.item(c));
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370 |
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371 | // install it into the build manager
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372 | this.buildManager.addIndexer(indexer);
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373 | }
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374 | else if (name.equals(GSXML.BROWSE_ELEM))
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375 | { this.configureBrowsers(children.item(c), collectionConfig);
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376 | }
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377 | // TODO: other elements - make a factory-method approach here...
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378 | else
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379 | {
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380 | }
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381 | }
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382 | }
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383 | catch (FactoryConfigurationError e) {
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384 | System.out.println(e);
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385 | }
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386 | catch (ParserConfigurationException ex) {
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387 | System.out.println(ex);
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388 | }
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389 | catch (SAXException ex) {
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390 | System.out.println(ex);
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391 | }
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392 | catch (IOException ex)
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393 | {
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394 | System.out.println(ex);
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395 | }
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396 |
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397 | System.out.println("<<<Obtaining database>>>>");
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398 | }
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399 |
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400 | public String getEtcDirectory()
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401 | { return GSFile.collectionEtcDir(this.collectionHome);
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402 | }
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403 |
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404 | public String getImportDirectory()
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405 | { return GSFile.collectionImportDir(this.collectionHome);
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406 | }
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407 |
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408 | public String getBuildDirectory()
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409 | { return GSFile.collectionBuildDir(this.collectionHome);
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410 | }
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411 |
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412 | public String getArchiveDirectory()
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413 | { return GSFile.collectionArchiveDir(this.collectionHome);
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414 | }
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415 |
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416 | public GS3SQLConnection getDatabase()
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417 | {
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418 | return this.database;
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419 | }
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420 |
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421 | public Date getBuildDate()
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422 | { return this.lastBuildDate.getTime();
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423 | }
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424 |
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425 | public void startBuild()
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426 | { GregorianCalendar today = new GregorianCalendar();
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427 |
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428 | if (this.lastBuildDate != null)
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429 | { // if the build date is different to the last build date, then reset the build
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430 | // document number
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431 | if (today.get(Calendar.YEAR) != this.lastBuildDate.get(Calendar.YEAR) ||
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432 | today.get(Calendar.MONTH) != this.lastBuildDate.get(Calendar.MONTH) ||
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433 | today.get(Calendar.DAY_OF_MONTH) != this.lastBuildDate.get(Calendar.DAY_OF_MONTH))
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434 | { this.buildDocNo = 1;
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435 | }
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436 | else
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437 | { System.out.println("Continuing build sequence from " + this.buildDocNo);
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438 | }
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439 | }
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440 | this.lastBuildDate = today;
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441 | }
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442 |
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443 | public void endBuild()
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444 | {
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445 | // here we write out the build config file
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446 | // create the xml for the buildConfig
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447 | XMLConverter converter = new XMLConverter();
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448 | Document doc = converter.newDOM();
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449 | Element build_config = doc.createElement(GSXML.COLLECTION_BUILD_ELEM);
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450 | Element meta_list = doc.createElement(GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
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451 | build_config.appendChild(meta_list);
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452 | Element service_list = doc.createElement(GSXML.SERVICE_CLASS_ELEM+GSXML.LIST_MODIFIER);
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453 | build_config.appendChild(service_list);
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454 |
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455 | // the document structure and metadata retrieval will use GS3REtrieve service, so add it in here
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456 | Element base_retrieve_service = doc.createElement(GSXML.SERVICE_CLASS_ELEM);
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457 | base_retrieve_service.setAttribute(GSXML.NAME_ATT, "GS3Retrieve");
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458 | service_list.appendChild(base_retrieve_service);
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459 | // ask the indexers to add stuff into the service rack list
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460 | this.buildManager.getIndexerManager().addServiceDescriptions(service_list);
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461 | this.buildManager.getClassifierManager().addServiceDescriptions(service_list);
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462 | // get the String
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463 | String build_config_string = converter.getString(build_config);
|
---|
464 | // write it to the file
|
---|
465 | try {
|
---|
466 | File build_config_file = new File(GSFile.collectionBuildConfigFileBuilding(this.collectionHome));
|
---|
467 | BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(build_config_file), "UTF-8"));
|
---|
468 | writer.write(build_config_string, 0, build_config_string.length());
|
---|
469 | writer.close();
|
---|
470 | } catch (Exception e) {
|
---|
471 | System.err.println("CollectionManager.endBuild() Error while trying to output the buildConfig.xml file.");
|
---|
472 | System.err.println(e.getMessage());
|
---|
473 | }
|
---|
474 |
|
---|
475 | // Update build date information
|
---|
476 | GS3SQLDelete remove = new GS3SQLDelete("build");
|
---|
477 | // GS3SQLWhere where = new GS3SQLWhere(new GS3SQLWhereItem("buildKey", "=", "NextSeqNo"));
|
---|
478 | // rem
|
---|
479 | this.database.execute(remove.toString());
|
---|
480 |
|
---|
481 | GS3SQLInsert insert = new GS3SQLInsert("build");
|
---|
482 | insert.addValue("buildKey", "NextSeqNo");
|
---|
483 | insert.addValue("buildValue", Integer.toString(this.buildDocNo));
|
---|
484 | this.database.execute(insert.toString());
|
---|
485 |
|
---|
486 | insert = new GS3SQLInsert("build");
|
---|
487 | insert.addValue("buildKey", "lastBuildDate");
|
---|
488 | insert.addValue("buildValue", getDateString(this.lastBuildDate));
|
---|
489 | this.database.execute(insert.toString());
|
---|
490 |
|
---|
491 | // Do tail of build output
|
---|
492 | Date startDate = this.lastBuildDate.getTime();
|
---|
493 | Date date = new Date();
|
---|
494 |
|
---|
495 | long startTime = startDate.getTime();
|
---|
496 | long endTime = date.getTime();
|
---|
497 |
|
---|
498 | long difference = ((endTime - startTime) + 500) / 1000;
|
---|
499 |
|
---|
500 | System.out.println("Build completed");
|
---|
501 | System.out.println("---------------");
|
---|
502 | System.out.println("Total Documents: " + this.getCollectionMetadata("gsdl3", "documentCount"));
|
---|
503 | System.out.println("Total Time : " + (difference / 60) + " min. " + (difference % 60) + " secs.");
|
---|
504 | }
|
---|
505 |
|
---|
506 | private static String getDateString(GregorianCalendar date)
|
---|
507 | { StringBuffer dateString = new StringBuffer();
|
---|
508 |
|
---|
509 | int value;
|
---|
510 | dateString.append(date.get(Calendar.YEAR));
|
---|
511 |
|
---|
512 | // the use of month is a little odd, hence the following
|
---|
513 | // code. Calendar.MONTH yields 0 = January, 1 = February,
|
---|
514 | // etc. hence there is a '+1' added to the month to make
|
---|
515 | // it into January = 1, etc., and the padding is altered
|
---|
516 | // correspondingly.
|
---|
517 | value = date.get(Calendar.MONTH);
|
---|
518 | if (value < 9)
|
---|
519 | { dateString.append("0");
|
---|
520 | }
|
---|
521 | dateString.append(value + 1);
|
---|
522 | value = date.get(Calendar.DAY_OF_MONTH);
|
---|
523 | if (value < 10)
|
---|
524 | dateString.append("0");
|
---|
525 | dateString.append(value);
|
---|
526 |
|
---|
527 | return dateString.toString();
|
---|
528 | }
|
---|
529 |
|
---|
530 | public String getNextDocumentID()
|
---|
531 | { StringBuffer ID = new StringBuffer(getDateString(this.lastBuildDate));
|
---|
532 |
|
---|
533 | int value = this.buildDocNo;
|
---|
534 | this.buildDocNo ++;
|
---|
535 |
|
---|
536 | ID.append(":");
|
---|
537 | ID.append(Integer.toString(value));
|
---|
538 | return ID.toString();
|
---|
539 | }
|
---|
540 |
|
---|
541 | public int getDocumentNumber()
|
---|
542 | { this.buildDocNo ++;
|
---|
543 | return this.buildDocNo - 1;
|
---|
544 | }
|
---|
545 |
|
---|
546 | /**
|
---|
547 | * Get the collection metadata item in the given namespace
|
---|
548 | *
|
---|
549 | * @param <code>String</code> the namespace
|
---|
550 | * @param <code>String</code> the label of the metadata
|
---|
551 | */
|
---|
552 | public String getCollectionMetadata(String namespace, String label)
|
---|
553 | { return this.metadata.getCollectionMetadata(namespace, label).get(0).toString();
|
---|
554 | }
|
---|
555 |
|
---|
556 | /**
|
---|
557 | * Set the collection metadata item in the given namespace
|
---|
558 | *
|
---|
559 | * @param <code>String</code> the namespace
|
---|
560 | * @param <code>String</code> the label
|
---|
561 | * @param <code>String</code> the value
|
---|
562 | */
|
---|
563 | public void setCollectionMetadata(String namespace, String label, String value)
|
---|
564 | { this.metadata.setCollectionMetadata(namespace, label, value);
|
---|
565 | }
|
---|
566 |
|
---|
567 | public String getCollectionName() {
|
---|
568 | return collectionName;
|
---|
569 | }
|
---|
570 | }
|
---|
571 |
|
---|