1 | package org.greenstone.gsdl3.util;
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2 |
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3 | import java.io.BufferedWriter;
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4 | import java.io.File;
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5 | import java.io.FileInputStream;
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6 | import java.io.FileOutputStream;
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7 | import java.io.FileWriter;
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8 | import java.nio.channels.FileChannel;
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9 | import java.util.ArrayList;
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10 | import java.util.HashMap;
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11 | import java.util.Vector;
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12 |
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13 | import javax.xml.parsers.DocumentBuilder;
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14 | import javax.xml.parsers.DocumentBuilderFactory;
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15 | import javax.xml.transform.Result;
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16 | import javax.xml.transform.Transformer;
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17 | import javax.xml.transform.TransformerFactory;
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18 | import javax.xml.transform.dom.DOMSource;
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19 | import javax.xml.transform.stream.StreamResult;
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20 |
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21 | import org.greenstone.gsdl3.core.MessageRouter;
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22 | import org.w3c.dom.Document;
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23 | import org.w3c.dom.Element;
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24 | import org.w3c.dom.Node;
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25 | import org.w3c.dom.NodeList;
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26 |
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27 | public class GSDocumentModel
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28 | {
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29 | //The two archive databases
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30 | protected static final String ARCHIVEINFSRC = "archiveinf-src";
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31 | protected static final String ARCHIVEINFDOC = "archiveinf-doc";
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32 |
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33 | //Set operations
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34 | public static final int OPERATION_REPLACE = 1;
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35 | public static final int OPERATION_INSERT_BEFORE = 2;
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36 | public static final int OPERATION_INSERT_AFTER = 3;
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37 | public static final int OPERATION_APPEND = 4;
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38 |
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39 | //Duplicate and move operations
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40 | public static final int OPERATION_TYPE_DOC_TO_DOC = 1;
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41 | public static final int OPERATION_TYPE_DOC_TO_SEC = 2;
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42 | public static final int OPERATION_TYPE_SEC_TO_DOC = 3;
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43 | public static final int OPERATION_TYPE_SEC_TO_SEC = 4;
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44 |
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45 | //Error codes
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46 | protected static final int NO_ERROR = 0;
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47 | protected static final int ERROR_OID_NOT_SPECIFIED = -1;
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48 | protected static final int ERROR_COLLECTION_NOT_SPECIFIED = -2;
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49 | protected static final int ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST = -3;
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50 | protected static final int ERROR_DESTINATION_DOCUMENT_OR_SECTION_DOES_NOT_EXIST = -4;
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51 | protected static final int ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS = -5;
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52 | protected static final int ERROR_COULD_NOT_DUPLICATE = -6;
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53 | protected static final int ERROR_COULD_NOT_MOVE = -7;
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54 | protected static final int ERROR_DOC_XML_COULD_NOT_BE_CREATED = -8;
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55 | protected static final int ERROR_EXCEPTION_CREATING_DOC_XML_FILE = -9;
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56 | protected static final int ERROR_METADATA_NAME_NOT_SPECIFIED = -10;
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57 | protected static final int ERROR_METADATA_VALUE_NOT_SPECIFIED = -11;
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58 | protected static final int ERROR_COULD_NOT_RETRIEVE_DOC_XML = -12;
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59 | protected static final int ERROR_COULD_NOT_WRITE_TO_DOC_XML = -13;
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60 | protected static final int ERROR_COULD_NOT_RETRIEVE_SECTION = -14;
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61 | protected static final int ERROR_COULD_NOT_OPEN_DATABASE = -15;
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62 | protected static final int ERROR_DATA_NOT_FOUND_IN_DATABASE = -16;
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63 | protected static final int ERROR_COULD_NOT_DELETE = -16;
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64 | protected static final int ERROR_OID_INCORRECT_FORMAT = -17;
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65 | protected static final int ERROR_INVALID_MERGE = -18;
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66 | protected static final int ERROR_INVALID_METADATA_POSITION = -19;
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67 | protected static final int ERROR_INVALID_SPLIT = -20;
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68 | protected static final int ERROR_DESTINATION_OID_NOT_SPECIFIED = -21;
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69 | protected static final HashMap<Integer, String> _errorMessageMap;
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70 |
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71 | static
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72 | {
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73 | //Corresponding error messages
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74 | HashMap<Integer, String> errorMessageMap = new HashMap<Integer, String>();
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75 | errorMessageMap.put(ERROR_OID_NOT_SPECIFIED, "OID not specified");
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76 | errorMessageMap.put(ERROR_COLLECTION_NOT_SPECIFIED, "Collection not specified");
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77 | errorMessageMap.put(ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST, "The specified source document or section does not exist");
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78 | errorMessageMap.put(ERROR_DESTINATION_DOCUMENT_OR_SECTION_DOES_NOT_EXIST, "The specified destination document or section does not exist");
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79 | errorMessageMap.put(ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS, "The specified destination document or section already exists");
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80 | errorMessageMap.put(ERROR_COULD_NOT_DUPLICATE, "There was an error duplicating document or section");
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81 | errorMessageMap.put(ERROR_COULD_NOT_MOVE, "There was an error moving document or section");
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82 | errorMessageMap.put(ERROR_DOC_XML_COULD_NOT_BE_CREATED, "The doc.xml file already exists or could not be created");
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83 | errorMessageMap.put(ERROR_EXCEPTION_CREATING_DOC_XML_FILE, "There was an exception while creating the doc.xml file");
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84 | errorMessageMap.put(ERROR_METADATA_NAME_NOT_SPECIFIED, "The name of the requested metadata was not specified");
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85 | errorMessageMap.put(ERROR_METADATA_VALUE_NOT_SPECIFIED, "The new value for this metadata was not specified");
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86 | errorMessageMap.put(ERROR_COULD_NOT_RETRIEVE_DOC_XML, "Could not retrieve the necessary doc.xml file");
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87 | errorMessageMap.put(ERROR_COULD_NOT_WRITE_TO_DOC_XML, "There was an error writing to the doc.xml file");
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88 | errorMessageMap.put(ERROR_COULD_NOT_RETRIEVE_SECTION, "There was an error retrieving the specified section from the doc.xml file");
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89 | errorMessageMap.put(ERROR_COULD_NOT_OPEN_DATABASE, "There was an error opening the archive database");
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90 | errorMessageMap.put(ERROR_DATA_NOT_FOUND_IN_DATABASE, "The specified information could not be found in the database");
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91 | errorMessageMap.put(ERROR_COULD_NOT_DELETE, "There was an error deleting this document");
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92 | errorMessageMap.put(ERROR_OID_INCORRECT_FORMAT, "The given OID was not in the correct format");
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93 | errorMessageMap.put(ERROR_INVALID_MERGE, "Merge can only be performed on two sections of the same level or a section and it's parent. Also the destination section cannot have any child sections");
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94 | errorMessageMap.put(ERROR_INVALID_METADATA_POSITION, "There is no metadata at the given position");
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95 | errorMessageMap.put(ERROR_INVALID_SPLIT, "A split at the given location is not possible, either the section does not have text or the split point does not exist");
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96 | errorMessageMap.put(ERROR_DESTINATION_OID_NOT_SPECIFIED, "The destination OID was not specified");
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97 | _errorMessageMap = errorMessageMap;
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98 | }
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99 |
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100 | protected int _errorStatus = NO_ERROR;
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101 |
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102 | protected String _siteHome;
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103 | protected Document _mainDoc;
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104 | protected MessageRouter _router;
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105 | protected HashMap<String, Document> _docCache = new HashMap<String, Document>();
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106 |
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107 | public GSDocumentModel(String siteHome, Document mainDocument, MessageRouter router)
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108 | {
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109 | _siteHome = siteHome;
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110 | _mainDoc = mainDocument;
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111 | _router = router;
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112 | }
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113 |
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114 | /**
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115 | * Can be used to create a document or create a section of a document
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116 | *
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117 | * @param oid
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118 | * is the identifier of the document/section to create.
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119 | * @param collection
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120 | * is the collection we want to create the document/section in.
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121 | */
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122 | public void documentCreate(String oid, String collection, String lang, String uid)
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123 | {
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124 | _errorStatus = NO_ERROR;
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125 | //If the collection is not specified then we cannot continue
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126 | if (collection == null || collection.equals(""))
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127 | {
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128 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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129 | return;
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130 | }
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131 |
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132 | //If the document does not have an OID specified then generate one
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133 | if (oid == null || oid.equals(""))
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134 | {
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135 | oid = generateOID();
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136 | }
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137 | else if (archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
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138 | {
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139 | _errorStatus = ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS;
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140 | return;
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141 | }
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142 |
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143 | //Check if the OID is the OID for a section
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144 | boolean section = false;
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145 | if (oid.contains("."))
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146 | {
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147 | section = true;
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148 | }
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149 |
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150 | if (!section)
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151 | {
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152 | File newDir = new File(_siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + oid);
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153 |
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154 | if (!newDir.exists())
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155 | {
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156 | newDir.mkdir();
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157 | }
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158 |
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159 | HashMap<String, ArrayList<String>> entries = new HashMap<String, ArrayList<String>>();
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160 | ArrayList<String> values = new ArrayList<String>();
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161 | values.add(oid + "/doc.xml");
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162 | entries.put("doc-file", values);
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163 |
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164 | //Write the new entry to the archive database
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165 | archiveWriteEntryToDatabase(oid, collection, entries, lang, uid);
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166 | if (_errorStatus != NO_ERROR)
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167 | {
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168 | return;
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169 | }
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170 |
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171 | //Create a basic doc.xml file to go in the new folder
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172 | documentXMLCreateDocXML(oid, collection, lang, uid);
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173 | }
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174 | else
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175 | {
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176 | documentXMLCreateSection(oid, collection, lang, uid);
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177 | }
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178 | }
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179 |
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180 | /**
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181 | * Can be used to delete a document or section
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182 | *
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183 | * @param oid
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184 | * is the identifier of the document/section to delete.
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185 | * @param collection
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186 | * is the collection to delete the document/section from.
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187 | */
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188 | public void documentDelete(String oid, String collection, String lang, String uid)
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189 | {
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190 | _errorStatus = NO_ERROR;
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191 | if (oid == null || oid.equals(""))
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192 | {
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193 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
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194 | return;
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195 | }
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196 | else if (collection == null || collection.equals(""))
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197 | {
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198 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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199 | return;
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200 | }
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201 |
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202 | if (!archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
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203 | {
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204 | _errorStatus = ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
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205 | return;
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206 | }
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207 |
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208 | //Check if the OID is the OID for a section
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209 | boolean section = false;
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210 | if (oid.contains("."))
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211 | {
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212 | section = true;
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213 | }
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214 |
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215 | if (!section)
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216 | {
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217 | File dirToDelete = new File(_siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + oid);
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218 |
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219 | if (!dirToDelete.exists() || !dirToDelete.isDirectory() || !deleteDirectory(dirToDelete))
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220 | {
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221 | _errorStatus = ERROR_COULD_NOT_DELETE;
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222 | return;
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223 | }
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224 |
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225 | //Remove the entry from the archive database
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226 | archiveRemoveEntryFromDatabase(oid, collection, lang, uid);
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227 | }
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228 | else
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229 | {
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230 | documentXMLDeleteSection(oid, collection, lang, uid);
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231 | }
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232 | }
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233 |
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234 | /**
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235 | * Can be used to copy a document or section from one place to another.
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236 | *
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237 | * @param oid
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238 | * is the identifier of the document/section that is to be
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239 | * copied.
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240 | * @param collection
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241 | * is the collection the source document resides in.
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242 | * @param newOID
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243 | * is the new identifier for the document/section (it cannot
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244 | * already exist).
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245 | * @param newCollection
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246 | * is the collection the new document/section will be copied to.
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247 | * If this is null then the collection parameter will be used
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248 | * instead.
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249 | */
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250 | public void documentDuplicate(String oid, String collection, String newOID, String newCollection, String lang, String uid)
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251 | {
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252 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
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253 | {
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254 | return;
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255 | }
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256 |
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257 | //If a new collection is not specified then assume the collection of the original document
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258 | if (newCollection == null || newCollection.equals(""))
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259 | {
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260 | newCollection = collection;
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261 | }
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262 |
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263 | //Generate an OID for the duplicate if we are not given one
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264 | if (newOID == null || newOID.equals(""))
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265 | {
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266 | _errorStatus = ERROR_DESTINATION_OID_NOT_SPECIFIED;
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267 | return;
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268 | }
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269 | else if (archiveCheckDocumentOrSectionExists(newOID, newCollection, lang, uid))
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270 | {
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271 | _errorStatus = ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS;
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272 | return;
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273 | }
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274 |
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275 | //Check what operation we are performing
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276 | int op = getOperation(oid, newOID);
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277 |
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278 | boolean requiresDatabaseEntry = false;
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279 | switch (op)
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280 | {
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281 | case OPERATION_TYPE_DOC_TO_DOC:
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282 | {
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283 | String archiveDir = archiveGetDocumentFilePath(oid, collection, lang, uid);
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284 | if (_errorStatus != NO_ERROR)
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285 | {
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286 | return;
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287 | }
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288 |
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289 | //Remove doc.xml from the file name
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290 | archiveDir = archiveDir.substring(0, archiveDir.lastIndexOf(File.separator));
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291 | File dirToDuplicate = new File(archiveDir);
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292 |
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293 | //This is possibly not the best way to name the new directory
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294 | File newDir = new File(archiveDir.substring(0, archiveDir.lastIndexOf(File.separator) + File.separator.length()) + newOID);
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295 |
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296 | if (dirToDuplicate.exists() && dirToDuplicate.isDirectory() && !newDir.exists())
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297 | {
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298 | if (!copyDirectory(dirToDuplicate, newDir))
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299 | {
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300 | _errorStatus = ERROR_COULD_NOT_DUPLICATE;
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301 | return;
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302 | }
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303 | }
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304 | requiresDatabaseEntry = true;
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305 | break;
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306 | }
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307 | case OPERATION_TYPE_DOC_TO_SEC:
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308 | {
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309 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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310 | Element originalSection = getTopLevelSectionElement(originalDocument);
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311 |
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312 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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313 | if (_errorStatus != NO_ERROR)
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314 | {
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315 | return;
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316 | }
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317 |
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318 | documentXMLSetSection(newOID, newCollection, originalSection, OPERATION_REPLACE, lang, uid);
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319 | break;
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320 | }
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321 | case OPERATION_TYPE_SEC_TO_DOC:
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322 | {
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323 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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324 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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325 |
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326 | documentCreate(newOID, newCollection, lang, uid);
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327 | if (_errorStatus != NO_ERROR)
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328 | {
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329 | return;
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330 | }
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331 |
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332 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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333 | if (_errorStatus != NO_ERROR)
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334 | {
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335 | return;
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336 | }
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337 |
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338 | documentXMLSetSection(newOID, newCollection, originalSection, OPERATION_REPLACE, lang, uid);
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339 |
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340 | requiresDatabaseEntry = true;
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341 | break;
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342 | }
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343 | case OPERATION_TYPE_SEC_TO_SEC:
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344 | {
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345 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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346 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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347 |
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348 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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349 | if (_errorStatus != NO_ERROR)
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350 | {
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351 | return;
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352 | }
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353 |
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354 | documentXMLSetSection(newOID, newCollection, originalSection, OPERATION_REPLACE, lang, uid);
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355 | break;
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356 | }
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357 | }
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358 |
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359 | if (requiresDatabaseEntry)
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360 | {
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361 | HashMap<String, ArrayList<String>> entries = new HashMap<String, ArrayList<String>>();
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362 | ArrayList<String> values = new ArrayList<String>();
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363 | values.add(newOID + "/doc.xml");
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364 | entries.put("doc-file", values);
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365 |
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366 | //Write the new entry to the archive database
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367 | archiveWriteEntryToDatabase(newOID, newCollection, entries, lang, uid);
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368 | }
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369 | }
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370 |
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371 | /**
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372 | * Can be used to acquire information about a given document or section.
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373 | *
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374 | * @param oid
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375 | * is the identifier of the document or section.
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376 | * @param collection
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377 | * is the collection the document or section resides in.
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378 | * @param requestedInfo
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379 | * is an array containing the various requests.
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380 | * @return This returns an array containing the requested information.
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381 | */
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382 | public String[] documentGetInformation(String oid, String collection, String[] requestedInfo, String lang, String uid)
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383 | {
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384 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
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385 | {
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386 | return null;
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387 | }
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388 |
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389 | for (int j = 0; j < requestedInfo.length; j++)
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390 | {
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391 | String currentRequest = requestedInfo[j];
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392 | //TODO: Decide what info requests are valid (e.g. number of sections etc.)
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393 | //-How many child/sibling sections
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394 | //-Metadata keys
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395 | }
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396 | //TODO: Implement
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397 | return null;
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398 | }
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399 |
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400 | /**
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401 | * Can be used to move a document or section from one place to another.
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402 | *
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403 | * @param oid
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404 | * is the identifier of the document/section to move.
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405 | * @param collection
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406 | * is the collection the source document resides in.
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407 | * @param newOID
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408 | * is the new identifer for the moved document.
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409 | * @param newCollection
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410 | * is the collection the new document/section will be moved to.
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411 | * If this is null then the collection parameter will be used
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412 | * instead.
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413 | */
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414 | public void documentMove(String oid, String collection, String newOID, String newCollection, String lang, String uid)
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415 | {
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416 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
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417 | {
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418 | return;
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419 | }
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420 |
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421 | documentDuplicate(oid, collection, newOID, newCollection, lang, uid);
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422 | if (_errorStatus != NO_ERROR)
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423 | {
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424 | return;
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425 | }
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426 |
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427 | documentDelete(oid, collection, lang, uid);
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428 | }
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429 |
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430 | /**
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431 | * Can be used to merge two parts of a document together. The sections must
|
---|
432 | * be in the same document at the same level (e.g. D11.1.2 and D11.1.3) or a
|
---|
433 | * section and it's parent (e.g. D11.1.2 and D11.1). Also, the destination
|
---|
434 | * section cannot have any child sections.
|
---|
435 | *
|
---|
436 | * @param oid
|
---|
437 | * the identifier of the section that is to be merged.
|
---|
438 | * @param collection
|
---|
439 | * the collection the section resides in.
|
---|
440 | * @param mergeOID
|
---|
441 | * the identifier of the section that the source section will be
|
---|
442 | * merged into.
|
---|
443 | */
|
---|
444 | public void documentMerge(String oid, String collection, String mergeOID, String lang, String uid)
|
---|
445 | {
|
---|
446 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
447 | {
|
---|
448 | return;
|
---|
449 | }
|
---|
450 |
|
---|
451 | if ((_errorStatus = checkOIDandCollection(mergeOID, collection, lang, uid)) != NO_ERROR)
|
---|
452 | {
|
---|
453 | return;
|
---|
454 | }
|
---|
455 |
|
---|
456 | int op = getOperation(oid, mergeOID);
|
---|
457 | if (op != OPERATION_TYPE_SEC_TO_SEC && op != OPERATION_TYPE_SEC_TO_DOC) //We allow SEC_TO_DOC in the case that someone wants to merge D11.1 with D11 (for example)
|
---|
458 | {
|
---|
459 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
460 | return;
|
---|
461 | }
|
---|
462 |
|
---|
463 | String[] sourceLevels = oid.split("\\.");
|
---|
464 | String[] destinationLevels = mergeOID.split("\\.");
|
---|
465 |
|
---|
466 | if (destinationLevels.length > sourceLevels.length)
|
---|
467 | {
|
---|
468 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
469 | return;
|
---|
470 | }
|
---|
471 |
|
---|
472 | for (int i = 0; i < sourceLevels.length - 1; i++)
|
---|
473 | {
|
---|
474 | if (i >= destinationLevels.length || !sourceLevels[i].equals(destinationLevels[i]))
|
---|
475 | {
|
---|
476 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
477 | return;
|
---|
478 | }
|
---|
479 | }
|
---|
480 |
|
---|
481 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
482 | if (docXML == null)
|
---|
483 | {
|
---|
484 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
485 | return;
|
---|
486 | }
|
---|
487 |
|
---|
488 | Element sourceSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
489 | Element destinationSection = getSectionBySectionNumber(docXML, getSectionFromOID(mergeOID));
|
---|
490 |
|
---|
491 | //Make sure the destination Section does not have any child Sections.
|
---|
492 | NodeList childSections = GSXML.getChildrenByTagName(destinationSection, GSXML.DOCXML_SECTION_ELEM);
|
---|
493 | if (childSections.getLength() != 0 && sourceLevels.length == destinationLevels.length)
|
---|
494 | {
|
---|
495 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
496 | return;
|
---|
497 | }
|
---|
498 |
|
---|
499 | //Get the children of the destination section so we can copy them to the source section before we overwrite the destination
|
---|
500 | NodeList childrenToKeep = destinationSection.getChildNodes();
|
---|
501 | ArrayList<Node> childList = new ArrayList<Node>();
|
---|
502 | for (int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
503 | {
|
---|
504 | //Need to put these in a list to make them easier to loop through as using a NodeList is messy
|
---|
505 | childList.add(childrenToKeep.item(i));
|
---|
506 | }
|
---|
507 |
|
---|
508 | //for(int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
509 | for (int i = 0; i < childList.size(); i++)
|
---|
510 | {
|
---|
511 | Node currentChild = childList.get(i);
|
---|
512 | //If the child is not a <Content> node then add it to source section
|
---|
513 | if (!currentChild.getNodeName().equals(GSXML.DOCXML_CONTENT_ELEM))
|
---|
514 | {
|
---|
515 | sourceSection.appendChild(currentChild);
|
---|
516 | continue;
|
---|
517 | }
|
---|
518 |
|
---|
519 | //Get the destination Section's Content node's text node, if it's empty then we don't need to worry about appending it
|
---|
520 | Node destinationTextNode = currentChild.getFirstChild();
|
---|
521 | if (destinationTextNode == null || destinationTextNode.getNodeValue() == null || destinationTextNode.getNodeValue().equals(""))
|
---|
522 | {
|
---|
523 | continue;
|
---|
524 | }
|
---|
525 |
|
---|
526 | //If the source Section does not have a content then directly append the destination content
|
---|
527 | Element sourceContent = (Element) GSXML.getChildByTagName(sourceSection, GSXML.DOCXML_CONTENT_ELEM);
|
---|
528 | if (sourceContent == null)
|
---|
529 | {
|
---|
530 | sourceSection.appendChild(currentChild);
|
---|
531 | continue;
|
---|
532 | }
|
---|
533 |
|
---|
534 | //If the source Section's Content is empty then again we can directly append the destination content
|
---|
535 | Node sourceTextNode = sourceContent.getFirstChild();
|
---|
536 | if (sourceTextNode == null || sourceTextNode.getNodeValue() == null || sourceTextNode.getNodeValue().equals(""))
|
---|
537 | {
|
---|
538 | sourceSection.appendChild(currentChild);
|
---|
539 | continue;
|
---|
540 | }
|
---|
541 |
|
---|
542 | //Otherwise, set the new content to be destination + source text in that order.
|
---|
543 | sourceTextNode.setNodeValue(destinationTextNode.getNodeValue() + " " + sourceTextNode.getNodeValue());
|
---|
544 | }
|
---|
545 |
|
---|
546 | documentXMLSetSection(mergeOID, collection, sourceSection, OPERATION_REPLACE, lang, uid);
|
---|
547 | if (_errorStatus != NO_ERROR)
|
---|
548 | {
|
---|
549 | return;
|
---|
550 | }
|
---|
551 |
|
---|
552 | documentXMLDeleteSection(oid, collection, lang, uid);
|
---|
553 | }
|
---|
554 |
|
---|
555 | /**
|
---|
556 | * Can be used to split a section into two sections (e.g. D11.2.1 will
|
---|
557 | * become D11.2.1 and D11.2.2). Any child section will belong to the second
|
---|
558 | * section (D11.2.2 in the example).
|
---|
559 | *
|
---|
560 | * @param oid
|
---|
561 | * is the identifer of the section to be split.
|
---|
562 | * @param collection
|
---|
563 | * is the collection the section resides in.
|
---|
564 | * @param splitPoint
|
---|
565 | * is the point in the text we want to split at.
|
---|
566 | */
|
---|
567 | public void documentSplit(String oid, String collection, int splitPoint, String lang, String uid)
|
---|
568 | {
|
---|
569 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
570 | {
|
---|
571 | return;
|
---|
572 | }
|
---|
573 |
|
---|
574 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
575 | if (docXML == null)
|
---|
576 | {
|
---|
577 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
578 | return;
|
---|
579 | }
|
---|
580 |
|
---|
581 | Element sectionToSplit = null;
|
---|
582 | if (!oid.contains("."))
|
---|
583 | {
|
---|
584 | sectionToSplit = getTopLevelSectionElement(docXML);
|
---|
585 | }
|
---|
586 | else
|
---|
587 | {
|
---|
588 | sectionToSplit = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
589 | }
|
---|
590 |
|
---|
591 | Element content = (Element) GSXML.getChildByTagName(sectionToSplit, GSXML.DOCXML_CONTENT_ELEM);
|
---|
592 | if (content == null)
|
---|
593 | {
|
---|
594 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
595 | return;
|
---|
596 | }
|
---|
597 |
|
---|
598 | Node textNode = content.getFirstChild();
|
---|
599 | if (textNode == null)
|
---|
600 | {
|
---|
601 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
602 | return;
|
---|
603 | }
|
---|
604 |
|
---|
605 | String text = textNode.getNodeValue();
|
---|
606 | if (splitPoint > text.length() - 2 || splitPoint < 1) //-1 would be the index of the last character, so the last valid split point is -2
|
---|
607 | {
|
---|
608 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
609 | return;
|
---|
610 | }
|
---|
611 |
|
---|
612 | String firstPart = text.substring(0, splitPoint);
|
---|
613 | String secondPart = text.substring(splitPoint);
|
---|
614 |
|
---|
615 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
616 | Element newContent = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
617 | Node newTextNode = docXML.createTextNode(firstPart);
|
---|
618 | newContent.appendChild(newTextNode);
|
---|
619 | newSection.appendChild(newContent);
|
---|
620 |
|
---|
621 | documentXMLSetSection(oid, collection, newSection, OPERATION_INSERT_BEFORE, lang, uid);
|
---|
622 | if (_errorStatus != NO_ERROR)
|
---|
623 | {
|
---|
624 | return;
|
---|
625 | }
|
---|
626 | textNode.setNodeValue(secondPart);
|
---|
627 |
|
---|
628 | //Write the new change back into the file
|
---|
629 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
630 | {
|
---|
631 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
632 | }
|
---|
633 | }
|
---|
634 |
|
---|
635 | /**
|
---|
636 | * Creates a basic doc.xml file with minimal contents.
|
---|
637 | *
|
---|
638 | * @param oid
|
---|
639 | * is the identifier of the document to be created.
|
---|
640 | * @param collection
|
---|
641 | * is the collection the new document will reside in.
|
---|
642 | */
|
---|
643 | public void documentXMLCreateDocXML(String oid, String collection, String lang, String uid)
|
---|
644 | {
|
---|
645 | _errorStatus = NO_ERROR;
|
---|
646 | try
|
---|
647 | {
|
---|
648 | Document docXML = null;
|
---|
649 |
|
---|
650 | String filePath = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
651 | File docFile = new File(filePath);
|
---|
652 | if (!docFile.exists() && !docFile.createNewFile())
|
---|
653 | {
|
---|
654 | _errorStatus = ERROR_DOC_XML_COULD_NOT_BE_CREATED;
|
---|
655 | return;
|
---|
656 | }
|
---|
657 |
|
---|
658 | BufferedWriter bw = new BufferedWriter(new FileWriter(docFile));
|
---|
659 | bw.write("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n");
|
---|
660 | bw.write("<!DOCTYPE Archive SYSTEM \"http://greenstone.org/dtd/Archive/1.0/Archive.dtd\">\n");
|
---|
661 | bw.write("<Archive>\n");
|
---|
662 | bw.write("</Archive>\n");
|
---|
663 | bw.close();
|
---|
664 |
|
---|
665 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
666 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
667 | docXML = db.parse(docFile);
|
---|
668 |
|
---|
669 | _docCache.put(oid + "__" + collection, docXML);
|
---|
670 | }
|
---|
671 | catch (Exception ex)
|
---|
672 | {
|
---|
673 | ex.printStackTrace();
|
---|
674 | _errorStatus = ERROR_EXCEPTION_CREATING_DOC_XML_FILE;
|
---|
675 | return;
|
---|
676 | }
|
---|
677 | }
|
---|
678 |
|
---|
679 | /**
|
---|
680 | * Gets a metadata value from a document or section.
|
---|
681 | *
|
---|
682 | * @param oid
|
---|
683 | * is the identifier of the section or document to get metadata
|
---|
684 | * from.
|
---|
685 | * @param collection
|
---|
686 | * is the collection the section or document resides in.
|
---|
687 | * @param metadataName
|
---|
688 | * is the name of metadata to retrieve
|
---|
689 | * @return an array of metadata elements containing the resquested metadata
|
---|
690 | */
|
---|
691 | public ArrayList<Element> documentXMLGetMetadata(String oid, String collection, String metadataName, String lang, String uid)
|
---|
692 | {
|
---|
693 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
694 | {
|
---|
695 | return null;
|
---|
696 | }
|
---|
697 | else if (metadataName == null || metadataName.equals(""))
|
---|
698 | {
|
---|
699 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
700 | return null;
|
---|
701 | }
|
---|
702 |
|
---|
703 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
704 | if (docXML == null)
|
---|
705 | {
|
---|
706 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
707 | return null;
|
---|
708 | }
|
---|
709 |
|
---|
710 | return getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
711 | }
|
---|
712 |
|
---|
713 | /**
|
---|
714 | *
|
---|
715 | * @param oid
|
---|
716 | * is the identifier of the document or section that is to have
|
---|
717 | * it's metadata set.
|
---|
718 | * @param collection
|
---|
719 | * is the collection the document/section resides in.
|
---|
720 | * @param metadataName
|
---|
721 | * is the name of the metadata value that is to be set.
|
---|
722 | * @param newMetadataValue
|
---|
723 | * is the new value of the metadata.
|
---|
724 | * @param position
|
---|
725 | * specifies the position of the value to set.
|
---|
726 | * @param operation
|
---|
727 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
728 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
729 | */
|
---|
730 | public void documentXMLSetMetadata(String oid, String collection, String metadataName, String newMetadataValue, int position, int operation, String lang, String uid)
|
---|
731 | {
|
---|
732 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
733 | {
|
---|
734 | return;
|
---|
735 | }
|
---|
736 | else if (metadataName == null || metadataName.equals(""))
|
---|
737 | {
|
---|
738 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
739 | return;
|
---|
740 | }
|
---|
741 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
742 | {
|
---|
743 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
744 | return;
|
---|
745 | }
|
---|
746 |
|
---|
747 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
748 | if (docXML == null)
|
---|
749 | {
|
---|
750 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
751 | return;
|
---|
752 | }
|
---|
753 |
|
---|
754 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
755 |
|
---|
756 | if (operation != OPERATION_APPEND && metadataElems.get(position) == null)
|
---|
757 | {
|
---|
758 | _errorStatus = ERROR_INVALID_METADATA_POSITION;
|
---|
759 | return;
|
---|
760 | }
|
---|
761 |
|
---|
762 | if (operation == OPERATION_REPLACE)
|
---|
763 | {
|
---|
764 | metadataElems.get(position).setNodeValue(newMetadataValue);
|
---|
765 | }
|
---|
766 | else if (operation == OPERATION_INSERT_BEFORE)
|
---|
767 | {
|
---|
768 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
769 | Element existingMetadata = metadataElems.get(position);
|
---|
770 |
|
---|
771 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
772 | }
|
---|
773 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
774 | {
|
---|
775 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
776 | Element existingMetadata = metadataElems.get(position + 1);
|
---|
777 |
|
---|
778 | if (existingMetadata != null)
|
---|
779 | {
|
---|
780 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
781 | }
|
---|
782 | else
|
---|
783 | {
|
---|
784 | existingMetadata = metadataElems.get(position);
|
---|
785 | existingMetadata.getParentNode().appendChild(newMetadata);
|
---|
786 | }
|
---|
787 | }
|
---|
788 | else
|
---|
789 | {
|
---|
790 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
791 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
792 | if (description == null)
|
---|
793 | {
|
---|
794 | description = docXML.createElement(GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
795 | section.appendChild(description);
|
---|
796 | }
|
---|
797 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
798 | description.appendChild(newMetadata);
|
---|
799 | }
|
---|
800 |
|
---|
801 | //Write the new change back into the file
|
---|
802 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
803 | {
|
---|
804 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
805 | }
|
---|
806 | }
|
---|
807 |
|
---|
808 | /**
|
---|
809 | * Can be used to delete metadata at a specific position in a document or
|
---|
810 | * section (such as the third author of a document).
|
---|
811 | *
|
---|
812 | * @param oid
|
---|
813 | * is the identifier of the document/section to delete metadata
|
---|
814 | * from.
|
---|
815 | * @param collection
|
---|
816 | * is the collection the document resides in.
|
---|
817 | * @param metadataName
|
---|
818 | * is the name of the metadata that is to have an item deleted.
|
---|
819 | * @param position
|
---|
820 | * is position of the item that is to be deleted.
|
---|
821 | */
|
---|
822 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, int position, String lang, String uid)
|
---|
823 | {
|
---|
824 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
825 | {
|
---|
826 | return;
|
---|
827 | }
|
---|
828 | else if (metadataName == null || metadataName.equals(""))
|
---|
829 | {
|
---|
830 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
831 | return;
|
---|
832 | }
|
---|
833 |
|
---|
834 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
835 | if (docXML == null)
|
---|
836 | {
|
---|
837 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
838 | return;
|
---|
839 | }
|
---|
840 |
|
---|
841 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
842 |
|
---|
843 | if (metadataElems.get(position) != null)
|
---|
844 | {
|
---|
845 | metadataElems.get(position).getParentNode().removeChild(metadataElems.get(position));
|
---|
846 | }
|
---|
847 | }
|
---|
848 |
|
---|
849 | /**
|
---|
850 | * Can be used to delete all the metadata with a specific name from a
|
---|
851 | * document or section (e.g. all of the authors).
|
---|
852 | *
|
---|
853 | * @param oid
|
---|
854 | * is the identifier of the document or section to delete the
|
---|
855 | * metadata from.
|
---|
856 | * @param collection
|
---|
857 | * is the collection the document resides in.
|
---|
858 | * @param metadataName
|
---|
859 | * is the name of the metadata to delete.
|
---|
860 | */
|
---|
861 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, String lang, String uid)
|
---|
862 | {
|
---|
863 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
864 | {
|
---|
865 | return;
|
---|
866 | }
|
---|
867 | else if (metadataName == null || metadataName.equals(""))
|
---|
868 | {
|
---|
869 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
870 | return;
|
---|
871 | }
|
---|
872 |
|
---|
873 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
874 | if (docXML == null)
|
---|
875 | {
|
---|
876 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
877 | return;
|
---|
878 | }
|
---|
879 |
|
---|
880 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
881 |
|
---|
882 | for (Element elem : metadataElems)
|
---|
883 | {
|
---|
884 | elem.getParentNode().removeChild(elem);
|
---|
885 | }
|
---|
886 | }
|
---|
887 |
|
---|
888 | /**
|
---|
889 | * Can be used to replace a specific metadata item of a given name, given
|
---|
890 | * it's value.
|
---|
891 | *
|
---|
892 | * @param oid
|
---|
893 | * is the document/section of the metadata that is to be
|
---|
894 | * replaced.
|
---|
895 | * @param collection
|
---|
896 | * is the collection the document resides in.
|
---|
897 | * @param metadataName
|
---|
898 | * is the name of the metadata to be replaced.
|
---|
899 | * @param oldMetadataValue
|
---|
900 | * is the old value of the metadata (the value that will be
|
---|
901 | * replaced).
|
---|
902 | * @param newMetadataValue
|
---|
903 | * is the new value of the metadata that will replace the old
|
---|
904 | * value.
|
---|
905 | */
|
---|
906 | public void documentXMLReplaceMetadata(String oid, String collection, String metadataName, String oldMetadataValue, String newMetadataValue, String lang, String uid)
|
---|
907 | {
|
---|
908 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
909 | {
|
---|
910 | return;
|
---|
911 | }
|
---|
912 | else if (metadataName == null || metadataName.equals(""))
|
---|
913 | {
|
---|
914 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
915 | return;
|
---|
916 | }
|
---|
917 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
918 | {
|
---|
919 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
920 | return;
|
---|
921 | }
|
---|
922 | else if (oldMetadataValue == null || oldMetadataValue.equals(""))
|
---|
923 | {
|
---|
924 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
925 | return;
|
---|
926 | }
|
---|
927 |
|
---|
928 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
929 | if (docXML == null)
|
---|
930 | {
|
---|
931 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
932 | return;
|
---|
933 | }
|
---|
934 |
|
---|
935 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
936 |
|
---|
937 | for (Element elem : metadataElems)
|
---|
938 | {
|
---|
939 | Node textNode = elem.getFirstChild();
|
---|
940 |
|
---|
941 | if (textNode != null && textNode.getNodeValue().equals(oldMetadataValue))
|
---|
942 | {
|
---|
943 | textNode.setNodeValue(newMetadataValue);
|
---|
944 | }
|
---|
945 | }
|
---|
946 |
|
---|
947 | //Write the new change back into the file
|
---|
948 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
949 | {
|
---|
950 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
951 | }
|
---|
952 | }
|
---|
953 |
|
---|
954 | /**
|
---|
955 | * Can be used to create a blank section.
|
---|
956 | *
|
---|
957 | * @param oid
|
---|
958 | * is the identifier of the section to be created.
|
---|
959 | * @param collection
|
---|
960 | * is the collection the document resides in.
|
---|
961 | */
|
---|
962 | public void documentXMLCreateSection(String oid, String collection, String lang, String uid)
|
---|
963 | {
|
---|
964 | _errorStatus = NO_ERROR;
|
---|
965 | if (oid == null || oid.equals(""))
|
---|
966 | {
|
---|
967 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
968 | return;
|
---|
969 | }
|
---|
970 | else if (collection == null || collection.equals(""))
|
---|
971 | {
|
---|
972 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
973 | return;
|
---|
974 | }
|
---|
975 |
|
---|
976 | if (oid.contains(".") && !archiveCheckDocumentOrSectionExists(oid.substring(0, oid.indexOf(".")), collection, lang, uid))
|
---|
977 | {
|
---|
978 | documentCreate(oid.substring(0, oid.indexOf(".")), collection, lang, uid);
|
---|
979 | if (_errorStatus != NO_ERROR)
|
---|
980 | {
|
---|
981 | return;
|
---|
982 | }
|
---|
983 | }
|
---|
984 |
|
---|
985 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
986 | if (docXML == null)
|
---|
987 | {
|
---|
988 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
989 | return;
|
---|
990 | }
|
---|
991 |
|
---|
992 | Element topLevel = docXML.getDocumentElement();
|
---|
993 | if (!oid.contains("."))
|
---|
994 | {
|
---|
995 | if (GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM) == null)
|
---|
996 | {
|
---|
997 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
998 | topLevel.appendChild(newSection);
|
---|
999 | }
|
---|
1000 | }
|
---|
1001 | else
|
---|
1002 | {
|
---|
1003 | int[] intLevels = null;
|
---|
1004 | try
|
---|
1005 | {
|
---|
1006 | intLevels = oidToSectionNumberArray(oid);
|
---|
1007 | }
|
---|
1008 | catch (Exception ex)
|
---|
1009 | {
|
---|
1010 | _errorStatus = ERROR_OID_INCORRECT_FORMAT;
|
---|
1011 | return;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | Element current = (Element) GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM);
|
---|
1015 | if (current == null)
|
---|
1016 | {
|
---|
1017 | Element topLevelSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1018 | topLevel.appendChild(topLevelSection);
|
---|
1019 | current = topLevelSection;
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | for (int currentLevelValue : intLevels)
|
---|
1023 | {
|
---|
1024 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1025 |
|
---|
1026 | if (sections.item(currentLevelValue - 1) == null)
|
---|
1027 | {
|
---|
1028 | Element latest = null;
|
---|
1029 | for (int j = 0; j < currentLevelValue - sections.getLength(); j++)
|
---|
1030 | {
|
---|
1031 | Element blankSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1032 | current.appendChild(blankSection);
|
---|
1033 | latest = blankSection;
|
---|
1034 | }
|
---|
1035 | current = latest;
|
---|
1036 | }
|
---|
1037 | else
|
---|
1038 | {
|
---|
1039 | current = (Element) sections.item(currentLevelValue - 1);
|
---|
1040 | }
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 |
|
---|
1044 | //Write the new change back into the file
|
---|
1045 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1046 | {
|
---|
1047 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1048 | }
|
---|
1049 | }
|
---|
1050 |
|
---|
1051 | /**
|
---|
1052 | * Can be used to delete an entire section.
|
---|
1053 | *
|
---|
1054 | * @param oid
|
---|
1055 | * is the identifier of the section to be deleted.
|
---|
1056 | * @param collection
|
---|
1057 | * is the collection the document resides in.
|
---|
1058 | */
|
---|
1059 | public void documentXMLDeleteSection(String oid, String collection, String lang, String uid)
|
---|
1060 | {
|
---|
1061 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1062 | {
|
---|
1063 | return;
|
---|
1064 | }
|
---|
1065 |
|
---|
1066 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1067 | if (docXML == null)
|
---|
1068 | {
|
---|
1069 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1070 | return;
|
---|
1071 | }
|
---|
1072 |
|
---|
1073 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1074 | if (section == null)
|
---|
1075 | {
|
---|
1076 | _errorStatus = ERROR_COULD_NOT_DELETE;
|
---|
1077 | return;
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 | section.getParentNode().removeChild(section);
|
---|
1081 |
|
---|
1082 | //Write the new change back into the file
|
---|
1083 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1084 | {
|
---|
1085 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1086 | }
|
---|
1087 | }
|
---|
1088 |
|
---|
1089 | /**
|
---|
1090 | * Can be used to get a section from a document.
|
---|
1091 | *
|
---|
1092 | * @param oid
|
---|
1093 | * is the identifier of the section to get.
|
---|
1094 | * @param collection
|
---|
1095 | * is the collection the document resides in.
|
---|
1096 | * @return the requested section.
|
---|
1097 | */
|
---|
1098 | public Element documentXMLGetSection(String oid, String collection, String lang, String uid)
|
---|
1099 | {
|
---|
1100 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1101 | {
|
---|
1102 | return null;
|
---|
1103 | }
|
---|
1104 |
|
---|
1105 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1106 | if (docXML == null)
|
---|
1107 | {
|
---|
1108 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1109 | return null;
|
---|
1110 | }
|
---|
1111 |
|
---|
1112 | Element section = null;
|
---|
1113 | if (!oid.contains("."))
|
---|
1114 | {
|
---|
1115 | section = getTopLevelSectionElement(docXML);
|
---|
1116 | }
|
---|
1117 | else
|
---|
1118 | {
|
---|
1119 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | if (section == null)
|
---|
1123 | {
|
---|
1124 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1125 | return null;
|
---|
1126 | }
|
---|
1127 |
|
---|
1128 | return section;
|
---|
1129 | }
|
---|
1130 |
|
---|
1131 | /**
|
---|
1132 | * Can be used to set an OID to the given section element.
|
---|
1133 | *
|
---|
1134 | * @param oid
|
---|
1135 | * is the identifier of the section to be set.
|
---|
1136 | * @param collection
|
---|
1137 | * is the collection the section will reside in.
|
---|
1138 | * @param newSection
|
---|
1139 | * is the new section element.
|
---|
1140 | * @param operation
|
---|
1141 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
1142 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
1143 | */
|
---|
1144 | public void documentXMLSetSection(String oid, String collection, Element newSection, int operation, String lang, String uid)
|
---|
1145 | {
|
---|
1146 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1147 | {
|
---|
1148 | return;
|
---|
1149 | }
|
---|
1150 |
|
---|
1151 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1152 | if (docXML == null)
|
---|
1153 | {
|
---|
1154 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1155 | return;
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 | Element existingSection = null;
|
---|
1159 | if (!oid.contains("."))
|
---|
1160 | {
|
---|
1161 | existingSection = getTopLevelSectionElement(docXML);
|
---|
1162 | }
|
---|
1163 | else
|
---|
1164 | {
|
---|
1165 | existingSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 | if (existingSection == null)
|
---|
1169 | {
|
---|
1170 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1171 | return;
|
---|
1172 | }
|
---|
1173 |
|
---|
1174 | Element importedSection = (Element) docXML.importNode(newSection, true);
|
---|
1175 |
|
---|
1176 | if (operation == OPERATION_APPEND)
|
---|
1177 | {
|
---|
1178 | existingSection.appendChild(importedSection);
|
---|
1179 | }
|
---|
1180 | else
|
---|
1181 | {
|
---|
1182 | Node sectionParent = existingSection.getParentNode();
|
---|
1183 |
|
---|
1184 | //Remove the attributes that are only there to help us find the section
|
---|
1185 | importedSection.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1186 | importedSection.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1187 |
|
---|
1188 | if (operation == OPERATION_INSERT_BEFORE || operation == OPERATION_REPLACE)
|
---|
1189 | {
|
---|
1190 | sectionParent.insertBefore(importedSection, existingSection);
|
---|
1191 | }
|
---|
1192 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
1193 | {
|
---|
1194 | Element sibling = (Element) existingSection.getNextSibling();
|
---|
1195 | if (sibling == null)
|
---|
1196 | {
|
---|
1197 | sectionParent.insertBefore(importedSection, sibling);
|
---|
1198 | }
|
---|
1199 | else
|
---|
1200 | {
|
---|
1201 | sectionParent.appendChild(importedSection);
|
---|
1202 | }
|
---|
1203 | }
|
---|
1204 |
|
---|
1205 | if (operation == OPERATION_REPLACE)
|
---|
1206 | {
|
---|
1207 | sectionParent.removeChild(existingSection);
|
---|
1208 | }
|
---|
1209 | }
|
---|
1210 |
|
---|
1211 | //Write the new change back into the file
|
---|
1212 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1213 | {
|
---|
1214 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1215 | return;
|
---|
1216 | }
|
---|
1217 | }
|
---|
1218 |
|
---|
1219 | /**
|
---|
1220 | * Gets the text of a given section as a string.
|
---|
1221 | *
|
---|
1222 | * @param oid
|
---|
1223 | * is the identifier of the section to get the text from.
|
---|
1224 | * @param collection
|
---|
1225 | * is the collection the document resides in.
|
---|
1226 | * @return the text from the section.
|
---|
1227 | */
|
---|
1228 | public String documentXMLGetText(String oid, String collection, String lang, String uid)
|
---|
1229 | {
|
---|
1230 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1231 | {
|
---|
1232 | return null;
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1236 | if (docXML == null)
|
---|
1237 | {
|
---|
1238 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1239 | return null;
|
---|
1240 | }
|
---|
1241 |
|
---|
1242 | Element section = null;
|
---|
1243 | if (!oid.contains("."))
|
---|
1244 | {
|
---|
1245 | section = getTopLevelSectionElement(docXML);
|
---|
1246 | }
|
---|
1247 | else
|
---|
1248 | {
|
---|
1249 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1250 | }
|
---|
1251 |
|
---|
1252 | if (section == null)
|
---|
1253 | {
|
---|
1254 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1255 | return null;
|
---|
1256 | }
|
---|
1257 |
|
---|
1258 | Element contentNode = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1259 | if (contentNode == null)
|
---|
1260 | {
|
---|
1261 | return null;
|
---|
1262 | }
|
---|
1263 |
|
---|
1264 | Node textNode = contentNode.getFirstChild();
|
---|
1265 | if (textNode == null)
|
---|
1266 | {
|
---|
1267 | return null;
|
---|
1268 | }
|
---|
1269 |
|
---|
1270 | return textNode.getNodeValue();
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 | /**
|
---|
1274 | * Sets the text of a given section using an element.
|
---|
1275 | *
|
---|
1276 | * @param oid
|
---|
1277 | * is the identifier of the section to set the text of.
|
---|
1278 | * @param collection
|
---|
1279 | * is the collection the document resides in.
|
---|
1280 | * @param newContent
|
---|
1281 | * is the new content element for the section.
|
---|
1282 | */
|
---|
1283 | public void documentXMLSetText(String oid, String collection, Element newContent, String lang, String uid)
|
---|
1284 | {
|
---|
1285 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1286 | {
|
---|
1287 | return;
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1291 | if (docXML == null)
|
---|
1292 | {
|
---|
1293 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1294 | return;
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | Element section = null;
|
---|
1298 | if (!oid.contains("."))
|
---|
1299 | {
|
---|
1300 | section = getTopLevelSectionElement(docXML);
|
---|
1301 | }
|
---|
1302 | else
|
---|
1303 | {
|
---|
1304 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1305 | }
|
---|
1306 |
|
---|
1307 | if (section == null)
|
---|
1308 | {
|
---|
1309 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1310 | return;
|
---|
1311 | }
|
---|
1312 |
|
---|
1313 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1314 |
|
---|
1315 | //Remove the attributes that are only there to help us find the content
|
---|
1316 | newContent.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1317 | newContent.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1318 |
|
---|
1319 | Element importedContent = (Element) docXML.importNode(newContent, true);
|
---|
1320 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1321 | if (existingContent == null)
|
---|
1322 | {
|
---|
1323 | section.appendChild(importedContent);
|
---|
1324 | }
|
---|
1325 | else
|
---|
1326 | {
|
---|
1327 | Node contentParent = existingContent.getParentNode();
|
---|
1328 |
|
---|
1329 | //Replace the old node in the document tree
|
---|
1330 | contentParent.insertBefore(importedContent, existingContent);
|
---|
1331 | contentParent.removeChild(existingContent);
|
---|
1332 | }
|
---|
1333 |
|
---|
1334 | //Write the new change back into the file
|
---|
1335 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1336 | {
|
---|
1337 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1338 | return;
|
---|
1339 | }
|
---|
1340 | }
|
---|
1341 |
|
---|
1342 | /**
|
---|
1343 | * Sets the text of a given section using a string.
|
---|
1344 | *
|
---|
1345 | * @param oid
|
---|
1346 | * is the identifier of the section to set the text of.
|
---|
1347 | * @param collection
|
---|
1348 | * is the collection the document resides in.
|
---|
1349 | * @param newContent
|
---|
1350 | * is the new text for the section.
|
---|
1351 | */
|
---|
1352 | public void documentXMLSetText(String oid, String collection, String newContent, String lang, String uid)
|
---|
1353 | {
|
---|
1354 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1355 | {
|
---|
1356 | return;
|
---|
1357 | }
|
---|
1358 |
|
---|
1359 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1360 | if (docXML == null)
|
---|
1361 | {
|
---|
1362 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1363 | return;
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | Element section = null;
|
---|
1367 | if (!oid.contains("."))
|
---|
1368 | {
|
---|
1369 | section = getTopLevelSectionElement(docXML);
|
---|
1370 | }
|
---|
1371 | else
|
---|
1372 | {
|
---|
1373 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | if (section == null)
|
---|
1377 | {
|
---|
1378 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1379 | return;
|
---|
1380 | }
|
---|
1381 |
|
---|
1382 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1383 |
|
---|
1384 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1385 | if (existingContent == null)
|
---|
1386 | {
|
---|
1387 | Element newContentElem = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
1388 | Node textNode = docXML.createTextNode(newContent);
|
---|
1389 | newContentElem.appendChild(textNode);
|
---|
1390 | }
|
---|
1391 | else
|
---|
1392 | {
|
---|
1393 | Node textNode = existingContent.getFirstChild();
|
---|
1394 | if (textNode != null)
|
---|
1395 | {
|
---|
1396 | textNode.setNodeValue(newContent);
|
---|
1397 | }
|
---|
1398 | else
|
---|
1399 | {
|
---|
1400 | existingContent.appendChild(docXML.createTextNode(newContent));
|
---|
1401 | }
|
---|
1402 | }
|
---|
1403 |
|
---|
1404 | //Write the new change back into the file
|
---|
1405 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1406 | {
|
---|
1407 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1408 | return;
|
---|
1409 | }
|
---|
1410 | }
|
---|
1411 |
|
---|
1412 | /**
|
---|
1413 | * Can be used to get the file path of the doc.xml file containing the given
|
---|
1414 | * OID.
|
---|
1415 | *
|
---|
1416 | * @param oid
|
---|
1417 | * is the identifier of the document/section to get the doc.xml
|
---|
1418 | * of.
|
---|
1419 | * @param collection
|
---|
1420 | * is the collection the document resides in.
|
---|
1421 | * @return the file path to the doc.xml file.
|
---|
1422 | */
|
---|
1423 | public String archiveGetDocumentFilePath(String oid, String collection, String lang, String uid)
|
---|
1424 | {
|
---|
1425 | _errorStatus = NO_ERROR;
|
---|
1426 |
|
---|
1427 | if (oid.contains("."))
|
---|
1428 | {
|
---|
1429 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1430 | }
|
---|
1431 |
|
---|
1432 | String assocFilePath = getDocFilePathFromDatabase(oid, collection, lang, uid);
|
---|
1433 | if (assocFilePath == null)
|
---|
1434 | {
|
---|
1435 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1436 | return null;
|
---|
1437 | }
|
---|
1438 |
|
---|
1439 | if (File.separator.equals("\\"))
|
---|
1440 | {
|
---|
1441 | assocFilePath = assocFilePath.replace("/", "\\");
|
---|
1442 | }
|
---|
1443 |
|
---|
1444 | String docFilePath = _siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + assocFilePath;
|
---|
1445 | return docFilePath;
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 | /**
|
---|
1449 | * Can be used to find the document that a specific source file is used in.
|
---|
1450 | *
|
---|
1451 | * @param srcFile
|
---|
1452 | * is the name of the source file.
|
---|
1453 | * @param collection
|
---|
1454 | * is the collection the source file resides in.
|
---|
1455 | * @return the OID of the document that the source file is used in.
|
---|
1456 | */
|
---|
1457 | public String archiveGetSourceFileOID(String srcFile, String collection, String lang, String uid)
|
---|
1458 | {
|
---|
1459 | _errorStatus = NO_ERROR;
|
---|
1460 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFSRC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1461 | if (coll_db == null)
|
---|
1462 | {
|
---|
1463 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1464 | return null;
|
---|
1465 | }
|
---|
1466 |
|
---|
1467 | DBInfo info = coll_db.getInfo(srcFile);
|
---|
1468 | if (info == null)
|
---|
1469 | {
|
---|
1470 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1471 | coll_db.closeDatabase();
|
---|
1472 | return null;
|
---|
1473 | }
|
---|
1474 |
|
---|
1475 | String oid = info.getInfo("oid");
|
---|
1476 |
|
---|
1477 | coll_db.closeDatabase();
|
---|
1478 | return oid;
|
---|
1479 | }
|
---|
1480 |
|
---|
1481 | /**
|
---|
1482 | * Checks to see if a document or section at a given OID exists.
|
---|
1483 | *
|
---|
1484 | * @param oid
|
---|
1485 | * is the identifier of the document/section to check.
|
---|
1486 | * @param collection
|
---|
1487 | * is the collection to search in.
|
---|
1488 | * @return true if the document/section exists, false otherwise.
|
---|
1489 | */
|
---|
1490 | public boolean archiveCheckDocumentOrSectionExists(String oid, String collection, String lang, String uid)
|
---|
1491 | {
|
---|
1492 | _errorStatus = NO_ERROR;
|
---|
1493 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1494 | if (coll_db == null)
|
---|
1495 | {
|
---|
1496 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1497 | return false;
|
---|
1498 | }
|
---|
1499 |
|
---|
1500 | boolean section = false;
|
---|
1501 | if (oid.contains("."))
|
---|
1502 | {
|
---|
1503 | section = true;
|
---|
1504 | }
|
---|
1505 |
|
---|
1506 | DBInfo info = null;
|
---|
1507 | if (section)
|
---|
1508 | {
|
---|
1509 | info = coll_db.getInfo(oid.substring(0, oid.indexOf(".")));
|
---|
1510 | }
|
---|
1511 | else
|
---|
1512 | {
|
---|
1513 | info = coll_db.getInfo(oid);
|
---|
1514 | }
|
---|
1515 | boolean exists = (info != null);
|
---|
1516 |
|
---|
1517 | coll_db.closeDatabase();
|
---|
1518 | if (section && exists)
|
---|
1519 | {
|
---|
1520 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1521 | if (getSectionBySectionNumber(docXML, getSectionFromOID(oid)) == null)
|
---|
1522 | {
|
---|
1523 | return false;
|
---|
1524 | }
|
---|
1525 | return true;
|
---|
1526 | }
|
---|
1527 |
|
---|
1528 | return exists;
|
---|
1529 | }
|
---|
1530 |
|
---|
1531 | /**
|
---|
1532 | * Can be used to write a series of entries to the document database.
|
---|
1533 | *
|
---|
1534 | * @param oid
|
---|
1535 | * is the key that the entries will be written to.
|
---|
1536 | * @param collection
|
---|
1537 | * is the collection whose database will be written to.
|
---|
1538 | * @param infoList
|
---|
1539 | * is the list of entries to write.
|
---|
1540 | */
|
---|
1541 | public void archiveWriteEntryToDatabase(String oid, String collection, HashMap<String, ArrayList<String>> infoList, String lang, String uid)
|
---|
1542 | {
|
---|
1543 | _errorStatus = NO_ERROR;
|
---|
1544 | if (oid == null || oid.equals(""))
|
---|
1545 | {
|
---|
1546 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1547 | return;
|
---|
1548 | }
|
---|
1549 | else if (collection == null || collection.equals(""))
|
---|
1550 | {
|
---|
1551 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1552 | return;
|
---|
1553 | }
|
---|
1554 |
|
---|
1555 | DBInfo info = new DBInfo();
|
---|
1556 |
|
---|
1557 | for (String s : infoList.keySet())
|
---|
1558 | {
|
---|
1559 | for (String v : infoList.get(s))
|
---|
1560 | {
|
---|
1561 | info.addInfo(s, v);
|
---|
1562 | }
|
---|
1563 | }
|
---|
1564 |
|
---|
1565 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1566 | if (coll_db == null)
|
---|
1567 | {
|
---|
1568 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1569 | return;
|
---|
1570 | }
|
---|
1571 | coll_db.setInfo(oid, info);
|
---|
1572 | coll_db.closeDatabase();
|
---|
1573 | }
|
---|
1574 |
|
---|
1575 | /**
|
---|
1576 | * Can be used to remove an entry from the document database.
|
---|
1577 | *
|
---|
1578 | * @param oid
|
---|
1579 | * is the key of the entry to erase.
|
---|
1580 | * @param collection
|
---|
1581 | * is the collection whose database will have the entry removed.
|
---|
1582 | */
|
---|
1583 | public void archiveRemoveEntryFromDatabase(String oid, String collection, String lang, String uid)
|
---|
1584 | {
|
---|
1585 | _errorStatus = NO_ERROR;
|
---|
1586 | if (oid == null || oid.equals(""))
|
---|
1587 | {
|
---|
1588 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1589 | return;
|
---|
1590 | }
|
---|
1591 | else if (collection == null || collection.equals(""))
|
---|
1592 | {
|
---|
1593 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1594 | return;
|
---|
1595 | }
|
---|
1596 |
|
---|
1597 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1598 | if (coll_db == null)
|
---|
1599 | {
|
---|
1600 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1601 | return;
|
---|
1602 | }
|
---|
1603 | coll_db.deleteKey(oid);
|
---|
1604 | coll_db.closeDatabase();
|
---|
1605 | }
|
---|
1606 |
|
---|
1607 | /**
|
---|
1608 | * Gets the list of associated files for a given document.
|
---|
1609 | * @param oid is the identifier that will be used to search for associated documents.
|
---|
1610 | * @param collection is the collection whose database will be searched.
|
---|
1611 | * @return the list of associated files.
|
---|
1612 | */
|
---|
1613 | public ArrayList<String> archiveGetAssociatedImportFiles(String oid, String collection, String lang, String uid)
|
---|
1614 | {
|
---|
1615 | _errorStatus = NO_ERROR;
|
---|
1616 | if (oid == null || oid.equals(""))
|
---|
1617 | {
|
---|
1618 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1619 | return null;
|
---|
1620 | }
|
---|
1621 | else if (collection == null || collection.equals(""))
|
---|
1622 | {
|
---|
1623 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1624 | return null;
|
---|
1625 | }
|
---|
1626 |
|
---|
1627 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1628 | if (coll_db == null)
|
---|
1629 | {
|
---|
1630 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1631 | return null;
|
---|
1632 | }
|
---|
1633 |
|
---|
1634 | DBInfo info = coll_db.getInfo(oid);
|
---|
1635 | if (info == null)
|
---|
1636 | {
|
---|
1637 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1638 | coll_db.closeDatabase();
|
---|
1639 | return null;
|
---|
1640 | }
|
---|
1641 |
|
---|
1642 | String srcFile = info.getInfo("src-file");
|
---|
1643 | Vector data = info.getMultiInfo("assoc-file");
|
---|
1644 |
|
---|
1645 | ArrayList<String> assocFiles = new ArrayList<String>();
|
---|
1646 | assocFiles.add(srcFile);
|
---|
1647 | for (String d : (Vector<String>) data)
|
---|
1648 | {
|
---|
1649 | assocFiles.add(d);
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 | coll_db.closeDatabase();
|
---|
1653 | return assocFiles;
|
---|
1654 | }
|
---|
1655 |
|
---|
1656 | /********************
|
---|
1657 | * Helper functions *
|
---|
1658 | *******************/
|
---|
1659 |
|
---|
1660 | public boolean checkError(Element elem, String methodName)
|
---|
1661 | {
|
---|
1662 | if (_errorMessageMap.get(_errorStatus) != null)
|
---|
1663 | {
|
---|
1664 | GSXML.addError(elem.getOwnerDocument(), elem, methodName + ": " + _errorMessageMap.get(_errorStatus), GSXML.ERROR_TYPE_SYNTAX);
|
---|
1665 | return true;
|
---|
1666 | }
|
---|
1667 |
|
---|
1668 | return false;
|
---|
1669 | }
|
---|
1670 |
|
---|
1671 | public String getSectionFromOID(String oid)
|
---|
1672 | {
|
---|
1673 | if (!oid.contains("."))
|
---|
1674 | {
|
---|
1675 | return null;
|
---|
1676 | }
|
---|
1677 | return oid.substring(oid.indexOf(".") + 1);
|
---|
1678 | }
|
---|
1679 |
|
---|
1680 | public Element createElementWithValue(Document doc, String nodeName, String name, String value)
|
---|
1681 | {
|
---|
1682 | Element metadataElem = doc.createElement(nodeName);
|
---|
1683 | metadataElem.setAttribute(GSXML.NAME_ATT, name);
|
---|
1684 | Node textNode = doc.createTextNode(value);
|
---|
1685 | metadataElem.appendChild(textNode);
|
---|
1686 | return metadataElem;
|
---|
1687 | }
|
---|
1688 |
|
---|
1689 | public int getOperation(String to, String from)
|
---|
1690 | {
|
---|
1691 | int op;
|
---|
1692 | if (!to.contains(".") && !from.contains("."))
|
---|
1693 | {
|
---|
1694 | op = OPERATION_TYPE_DOC_TO_DOC;
|
---|
1695 | }
|
---|
1696 | else if (!to.contains(".") && from.contains("."))
|
---|
1697 | {
|
---|
1698 | op = OPERATION_TYPE_DOC_TO_SEC;
|
---|
1699 | }
|
---|
1700 | else if (to.contains(".") && !from.contains("."))
|
---|
1701 | {
|
---|
1702 | op = OPERATION_TYPE_SEC_TO_DOC;
|
---|
1703 | }
|
---|
1704 | else
|
---|
1705 | {
|
---|
1706 | op = OPERATION_TYPE_SEC_TO_SEC;
|
---|
1707 | }
|
---|
1708 | return op;
|
---|
1709 | }
|
---|
1710 |
|
---|
1711 | public int[] oidToSectionNumberArray(String oid) throws Exception
|
---|
1712 | {
|
---|
1713 | String[] strLevels = oid.split("\\.");
|
---|
1714 | int[] intLevels = new int[strLevels.length - 1];
|
---|
1715 |
|
---|
1716 | for (int i = 1; i < strLevels.length; i++) //Start at 1 to avoid the document identifier part of the OID
|
---|
1717 | {
|
---|
1718 | intLevels[i - 1] = Integer.parseInt(strLevels[i]);
|
---|
1719 | }
|
---|
1720 |
|
---|
1721 | return intLevels;
|
---|
1722 | }
|
---|
1723 |
|
---|
1724 | public String getDocFilePathFromDatabase(String oid, String collection, String lang, String uid)
|
---|
1725 | {
|
---|
1726 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1727 | if (coll_db == null)
|
---|
1728 | {
|
---|
1729 | return null;
|
---|
1730 | }
|
---|
1731 | DBInfo info = coll_db.getInfo(oid);
|
---|
1732 | if (info == null)
|
---|
1733 | {
|
---|
1734 | return null;
|
---|
1735 | }
|
---|
1736 |
|
---|
1737 | String docFile = info.getInfo("doc-file");
|
---|
1738 | coll_db.closeDatabase();
|
---|
1739 | return docFile;
|
---|
1740 | }
|
---|
1741 |
|
---|
1742 | public boolean deleteDirectory(File current)
|
---|
1743 | {
|
---|
1744 | try
|
---|
1745 | {
|
---|
1746 | if (current == null || !current.exists())
|
---|
1747 | {
|
---|
1748 | return false;
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 | if (!current.isDirectory())
|
---|
1752 | {
|
---|
1753 | current.delete();
|
---|
1754 | return true;
|
---|
1755 | }
|
---|
1756 |
|
---|
1757 | for (File f : current.listFiles())
|
---|
1758 | {
|
---|
1759 | if (f.isDirectory())
|
---|
1760 | {
|
---|
1761 | deleteDirectory(f);
|
---|
1762 | }
|
---|
1763 | else
|
---|
1764 | {
|
---|
1765 | f.delete();
|
---|
1766 | }
|
---|
1767 | }
|
---|
1768 | current.delete();
|
---|
1769 | }
|
---|
1770 | catch (Exception ex)
|
---|
1771 | {
|
---|
1772 | return false;
|
---|
1773 | }
|
---|
1774 |
|
---|
1775 | return true;
|
---|
1776 | }
|
---|
1777 |
|
---|
1778 | public int checkOIDandCollection(String oid, String collection, String lang, String uid)
|
---|
1779 | {
|
---|
1780 | if (oid == null || oid.equals(""))
|
---|
1781 | {
|
---|
1782 | return ERROR_OID_NOT_SPECIFIED;
|
---|
1783 | }
|
---|
1784 |
|
---|
1785 | if (collection == null || collection.equals(""))
|
---|
1786 | {
|
---|
1787 | return ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1788 | }
|
---|
1789 |
|
---|
1790 | if (!archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
|
---|
1791 | {
|
---|
1792 | return ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
|
---|
1793 | }
|
---|
1794 | return NO_ERROR;
|
---|
1795 | }
|
---|
1796 |
|
---|
1797 | protected static String generateOID()
|
---|
1798 | {
|
---|
1799 | return "temp";
|
---|
1800 | }
|
---|
1801 |
|
---|
1802 | public boolean copyDirectory(File src, File dest)
|
---|
1803 | {
|
---|
1804 | if (src.isDirectory())
|
---|
1805 | {
|
---|
1806 | //If the destination directory does not exist then create it
|
---|
1807 | if (!dest.exists())
|
---|
1808 | {
|
---|
1809 | dest.mkdir();
|
---|
1810 | }
|
---|
1811 |
|
---|
1812 | //Get all the files in the directory
|
---|
1813 | String files[] = src.list();
|
---|
1814 | for (String file : files)
|
---|
1815 | {
|
---|
1816 | File srcFile = new File(src, file);
|
---|
1817 | File destFile = new File(dest, file);
|
---|
1818 |
|
---|
1819 | if (!copyDirectory(srcFile, destFile))
|
---|
1820 | {
|
---|
1821 | return false;
|
---|
1822 | }
|
---|
1823 | }
|
---|
1824 | }
|
---|
1825 | else
|
---|
1826 | {
|
---|
1827 | try
|
---|
1828 | {
|
---|
1829 | FileChannel in = new FileInputStream(src).getChannel();
|
---|
1830 | FileChannel out = new FileOutputStream(dest).getChannel();
|
---|
1831 |
|
---|
1832 | in.transferTo(0, in.size(), out);
|
---|
1833 |
|
---|
1834 | in.close();
|
---|
1835 | out.close();
|
---|
1836 | }
|
---|
1837 | catch (Exception ex)
|
---|
1838 | {
|
---|
1839 | ex.printStackTrace();
|
---|
1840 | return false;
|
---|
1841 | }
|
---|
1842 | }
|
---|
1843 | return true;
|
---|
1844 | }
|
---|
1845 |
|
---|
1846 | public Element getTopLevelSectionElement(Document docXML)
|
---|
1847 | {
|
---|
1848 | return (Element) GSXML.getChildByTagName(docXML.getDocumentElement(), GSXML.DOCXML_SECTION_ELEM);
|
---|
1849 | }
|
---|
1850 |
|
---|
1851 | public boolean writeXMLFile(Document doc, String oid, String collection, String lang, String uid)
|
---|
1852 | {
|
---|
1853 | try
|
---|
1854 | {
|
---|
1855 | DOMSource source = new DOMSource(doc);
|
---|
1856 |
|
---|
1857 | String test = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
1858 | File xmlFile = new File(test);
|
---|
1859 | Result result = new StreamResult(xmlFile);
|
---|
1860 |
|
---|
1861 | Transformer transformer = TransformerFactory.newInstance().newTransformer();
|
---|
1862 | transformer.transform(source, result);
|
---|
1863 | }
|
---|
1864 | catch (Exception ex)
|
---|
1865 | {
|
---|
1866 | return false;
|
---|
1867 | }
|
---|
1868 | return true;
|
---|
1869 | }
|
---|
1870 |
|
---|
1871 | public Document getDocXML(String oid, String collection, String lang, String uid)
|
---|
1872 | {
|
---|
1873 | if (oid.contains("."))
|
---|
1874 | {
|
---|
1875 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1876 | }
|
---|
1877 |
|
---|
1878 | Document docXML = null;
|
---|
1879 | if ((docXML = _docCache.get(oid + "__" + collection)) == null)
|
---|
1880 | {
|
---|
1881 | String filePath = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
1882 | File docFile = new File(filePath);
|
---|
1883 |
|
---|
1884 | if (!docFile.exists())
|
---|
1885 | {
|
---|
1886 | return null;
|
---|
1887 | }
|
---|
1888 |
|
---|
1889 | try
|
---|
1890 | {
|
---|
1891 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
1892 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
1893 | docXML = db.parse(docFile);
|
---|
1894 |
|
---|
1895 | _docCache.put(oid + "__" + collection, docXML);
|
---|
1896 | }
|
---|
1897 | catch (Exception ex)
|
---|
1898 | {
|
---|
1899 | return null;
|
---|
1900 | }
|
---|
1901 | }
|
---|
1902 | return docXML;
|
---|
1903 | }
|
---|
1904 |
|
---|
1905 | public ArrayList<Element> getMetadataElementsFromSection(Document docXML, String oid, String metadataName)
|
---|
1906 | {
|
---|
1907 | if (oid.contains("."))
|
---|
1908 | {
|
---|
1909 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1910 | return getMetadataElementsFromSection(section, metadataName);
|
---|
1911 | }
|
---|
1912 | else
|
---|
1913 | {
|
---|
1914 | return getMetadataElementsFromSection(getTopLevelSectionElement(docXML), metadataName);
|
---|
1915 | }
|
---|
1916 | }
|
---|
1917 |
|
---|
1918 | public ArrayList<Element> getMetadataElementsFromSection(Element section, String metadataName)
|
---|
1919 | {
|
---|
1920 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
1921 | if (description == null)
|
---|
1922 | {
|
---|
1923 | return null;
|
---|
1924 | }
|
---|
1925 |
|
---|
1926 | ArrayList<Element> elemList = new ArrayList<Element>();
|
---|
1927 | NodeList metadataNodes = GSXML.getChildrenByTagName(description, GSXML.DOCXML_METADATA_ELEM);
|
---|
1928 | for (int j = 0; j < metadataNodes.getLength(); j++)
|
---|
1929 | {
|
---|
1930 | //If this is a metadata element with the requested name then we have found what we are looking for
|
---|
1931 | if (((Element) metadataNodes.item(j)).getAttribute(GSXML.NAME_ATT).equals(metadataName))
|
---|
1932 | {
|
---|
1933 | elemList.add((Element) metadataNodes.item(j));
|
---|
1934 | }
|
---|
1935 | }
|
---|
1936 |
|
---|
1937 | return elemList;
|
---|
1938 | }
|
---|
1939 |
|
---|
1940 | public Element getSectionBySectionNumber(Document docXML, String sectionNum)
|
---|
1941 | {
|
---|
1942 | return getSectionBySectionNumber(getTopLevelSectionElement(docXML), sectionNum);
|
---|
1943 | }
|
---|
1944 |
|
---|
1945 | public Element getSectionBySectionNumber(Element current, String sectionNum)
|
---|
1946 | {
|
---|
1947 | if (sectionNum == null || sectionNum.equals(""))
|
---|
1948 | {
|
---|
1949 | return current;
|
---|
1950 | }
|
---|
1951 |
|
---|
1952 | try
|
---|
1953 | {
|
---|
1954 | String[] levels = sectionNum.split("\\.");
|
---|
1955 | int currentSectionNum = Integer.parseInt(levels[0]);
|
---|
1956 |
|
---|
1957 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1958 |
|
---|
1959 | if (levels.length > 1)
|
---|
1960 | {
|
---|
1961 | return getSectionBySectionNumber((Element) sections.item(currentSectionNum - 1), sectionNum.substring(sectionNum.indexOf(".") + 1));
|
---|
1962 | }
|
---|
1963 | else
|
---|
1964 | {
|
---|
1965 | return (Element) sections.item(currentSectionNum - 1);
|
---|
1966 | }
|
---|
1967 | }
|
---|
1968 | catch (Exception ex)
|
---|
1969 | {
|
---|
1970 | return null;
|
---|
1971 | }
|
---|
1972 | }
|
---|
1973 |
|
---|
1974 | public String getDatabaseTypeFromCollection(String collection, String lang, String uid)
|
---|
1975 | {
|
---|
1976 | //Find out what kind of database we have
|
---|
1977 | Element dbTypeMessage = _mainDoc.createElement(GSXML.MESSAGE_ELEM);
|
---|
1978 | Element dbTypeRequest = GSXML.createBasicRequest(_mainDoc, GSXML.REQUEST_TYPE_DESCRIBE, collection, lang, uid);
|
---|
1979 | dbTypeMessage.appendChild(dbTypeRequest);
|
---|
1980 | Element dbTypeResponse = (Element) _router.process(dbTypeMessage);
|
---|
1981 |
|
---|
1982 | String path = GSPath.appendLink(GSXML.RESPONSE_ELEM, GSXML.COLLECTION_ELEM);
|
---|
1983 | Element collectionElem = (Element) GSXML.getNodeByPath(dbTypeResponse, path);
|
---|
1984 |
|
---|
1985 | if (collectionElem != null)
|
---|
1986 | {
|
---|
1987 | return collectionElem.getAttribute(GSXML.DB_TYPE_ATT);
|
---|
1988 | }
|
---|
1989 | return "gdbm"; //The default collection database type
|
---|
1990 | }
|
---|
1991 |
|
---|
1992 | public SimpleCollectionDatabase openDatabase(String collection, String dbName, int readWrite, String lang, String uid)
|
---|
1993 | {
|
---|
1994 | //Find out what kind of database we have
|
---|
1995 | String databaseType = getDatabaseTypeFromCollection(collection, lang, uid);
|
---|
1996 | String dbExt = DBHelper.getDBExtFromDBType(databaseType);
|
---|
1997 |
|
---|
1998 | SimpleCollectionDatabase coll_db = new SimpleCollectionDatabase(databaseType);
|
---|
1999 | if (!coll_db.databaseOK())
|
---|
2000 | {
|
---|
2001 | System.err.println("Couldn't create the collection database of type " + databaseType);
|
---|
2002 | return null;
|
---|
2003 | }
|
---|
2004 |
|
---|
2005 | coll_db.openDatabase(_siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + dbName + dbExt, readWrite);
|
---|
2006 |
|
---|
2007 | return coll_db;
|
---|
2008 | }
|
---|
2009 | } |
---|