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.io.IOException;
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9 | import java.nio.channels.FileChannel;
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10 | import java.util.ArrayList;
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11 | import java.util.HashMap;
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12 | import java.util.Vector;
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13 |
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14 | import javax.xml.parsers.DocumentBuilder;
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15 | import javax.xml.parsers.DocumentBuilderFactory;
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16 | import javax.xml.transform.Result;
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17 | import javax.xml.transform.Transformer;
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18 | import javax.xml.transform.TransformerFactory;
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19 | import javax.xml.transform.dom.DOMSource;
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20 | import javax.xml.transform.stream.StreamResult;
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21 |
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22 | import org.greenstone.gsdl3.core.MessageRouter;
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23 | import org.w3c.dom.Document;
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24 | import org.w3c.dom.Element;
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25 | import org.w3c.dom.Node;
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26 | import org.w3c.dom.NodeList;
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27 |
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28 | public class GSDocumentModel
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29 | {
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30 | //The two archive databases
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31 | protected static final String ARCHIVEINFSRC = "archiveinf-src";
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32 | protected static final String ARCHIVEINFDOC = "archiveinf-doc";
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33 |
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34 | //Set operations
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35 | public static final int OPERATION_REPLACE = 1;
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36 | public static final int OPERATION_INSERT_BEFORE = 2;
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37 | public static final int OPERATION_INSERT_AFTER = 3;
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38 | public static final int OPERATION_APPEND = 4;
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39 |
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40 | //Duplicate and move operations
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41 | public static final int OPERATION_TYPE_DOC_TO_DOC = 1;
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42 | public static final int OPERATION_TYPE_DOC_TO_SEC = 2;
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43 | public static final int OPERATION_TYPE_SEC_TO_DOC = 3;
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44 | public static final int OPERATION_TYPE_SEC_TO_SEC = 4;
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45 |
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46 | //Error codes
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47 | public static final int NO_ERROR = 0;
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48 | public static final int ERROR_OID_NOT_SPECIFIED = -1;
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49 | public static final int ERROR_COLLECTION_NOT_SPECIFIED = -2;
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50 | public static final int ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST = -3;
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51 | public static final int ERROR_DESTINATION_DOCUMENT_OR_SECTION_DOES_NOT_EXIST = -4;
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52 | public static final int ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS = -5;
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53 | public static final int ERROR_COULD_NOT_DUPLICATE = -6;
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54 | public static final int ERROR_COULD_NOT_MOVE = -7;
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55 | public static final int ERROR_DOC_XML_COULD_NOT_BE_CREATED = -8;
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56 | public static final int ERROR_EXCEPTION_CREATING_DOC_XML_FILE = -9;
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57 | public static final int ERROR_METADATA_NAME_NOT_SPECIFIED = -10;
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58 | public static final int ERROR_METADATA_VALUE_NOT_SPECIFIED = -11;
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59 | public static final int ERROR_COULD_NOT_RETRIEVE_DOC_XML = -12;
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60 | public static final int ERROR_COULD_NOT_WRITE_TO_DOC_XML = -13;
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61 | public static final int ERROR_COULD_NOT_RETRIEVE_SECTION = -14;
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62 | public static final int ERROR_COULD_NOT_OPEN_DATABASE = -15;
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63 | public static final int ERROR_DATA_NOT_FOUND_IN_DATABASE = -16;
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64 | public static final int ERROR_COULD_NOT_DELETE = -16;
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65 | public static final int ERROR_OID_INCORRECT_FORMAT = -17;
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66 | public static final int ERROR_INVALID_MERGE = -18;
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67 | public static final int ERROR_INVALID_METADATA_POSITION = -19;
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68 | public static final int ERROR_INVALID_SPLIT = -20;
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69 | public static final int ERROR_DESTINATION_OID_NOT_SPECIFIED = -21;
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70 | public static final HashMap<Integer, String> _errorMessageMap;
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71 |
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72 | static
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73 | {
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74 | //Corresponding error messages
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75 | HashMap<Integer, String> errorMessageMap = new HashMap<Integer, String>();
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76 | errorMessageMap.put(ERROR_OID_NOT_SPECIFIED, "OID not specified");
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77 | errorMessageMap.put(ERROR_COLLECTION_NOT_SPECIFIED, "Collection not specified");
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78 | errorMessageMap.put(ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST, "The specified source document or section does not exist");
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79 | errorMessageMap.put(ERROR_DESTINATION_DOCUMENT_OR_SECTION_DOES_NOT_EXIST, "The specified destination document or section does not exist");
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80 | errorMessageMap.put(ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS, "The specified destination document or section already exists");
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81 | errorMessageMap.put(ERROR_COULD_NOT_DUPLICATE, "There was an error duplicating document or section");
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82 | errorMessageMap.put(ERROR_COULD_NOT_MOVE, "There was an error moving document or section");
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83 | errorMessageMap.put(ERROR_DOC_XML_COULD_NOT_BE_CREATED, "The doc.xml file already exists or could not be created");
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84 | errorMessageMap.put(ERROR_EXCEPTION_CREATING_DOC_XML_FILE, "There was an exception while creating the doc.xml file");
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85 | errorMessageMap.put(ERROR_METADATA_NAME_NOT_SPECIFIED, "The name of the requested metadata was not specified");
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86 | errorMessageMap.put(ERROR_METADATA_VALUE_NOT_SPECIFIED, "The new value for this metadata was not specified");
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87 | errorMessageMap.put(ERROR_COULD_NOT_RETRIEVE_DOC_XML, "Could not retrieve the necessary doc.xml file");
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88 | errorMessageMap.put(ERROR_COULD_NOT_WRITE_TO_DOC_XML, "There was an error writing to the doc.xml file");
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89 | errorMessageMap.put(ERROR_COULD_NOT_RETRIEVE_SECTION, "There was an error retrieving the specified section from the doc.xml file");
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90 | errorMessageMap.put(ERROR_COULD_NOT_OPEN_DATABASE, "There was an error opening the archive database");
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91 | errorMessageMap.put(ERROR_DATA_NOT_FOUND_IN_DATABASE, "The specified information could not be found in the database");
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92 | errorMessageMap.put(ERROR_COULD_NOT_DELETE, "There was an error deleting this document");
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93 | errorMessageMap.put(ERROR_OID_INCORRECT_FORMAT, "The given OID was not in the correct format");
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94 | 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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95 | errorMessageMap.put(ERROR_INVALID_METADATA_POSITION, "There is no metadata at the given position");
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96 | 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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97 | errorMessageMap.put(ERROR_DESTINATION_OID_NOT_SPECIFIED, "The destination OID was not specified");
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98 | _errorMessageMap = errorMessageMap;
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99 | }
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100 |
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101 | protected int _errorStatus = NO_ERROR;
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102 |
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103 | protected String _siteHome;
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104 | protected Document _mainDoc;
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105 | protected MessageRouter _router;
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106 | protected HashMap<String, Document> _docCache = new HashMap<String, Document>();
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107 |
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108 | public GSDocumentModel(String siteHome, Document mainDocument, MessageRouter router)
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109 | {
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110 | _siteHome = siteHome;
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111 | _mainDoc = mainDocument;
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112 | _router = router;
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113 | }
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114 |
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115 | /**
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116 | * Can be used to create a document or create a section of a document
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117 | *
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118 | * @param oid
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119 | * is the identifier of the document/section to create.
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120 | * @param collection
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121 | * is the collection we want to create the document/section in.
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122 | */
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123 | public void documentCreate(String oid, String collection, String lang, String uid)
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124 | {
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125 | _errorStatus = NO_ERROR;
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126 | //If the collection is not specified then we cannot continue
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127 | if (collection == null || collection.equals(""))
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128 | {
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129 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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130 | return;
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131 | }
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132 |
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133 | //If the document does not have an OID specified then generate one
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134 | if (oid == null || oid.equals(""))
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135 | {
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136 | oid = generateOID();
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137 | }
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138 | else if (archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
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139 | {
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140 | _errorStatus = ERROR_DESTINATION_DOCUMENT_OR_SECTION_ALREADY_EXISTS;
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141 | return;
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142 | }
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143 |
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144 | //Check if the OID is the OID for a section
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145 | boolean section = false;
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146 | if (oid.contains("."))
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147 | {
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148 | section = true;
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149 | }
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150 |
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151 | if (!section)
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152 | {
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153 | File newDir = new File(_siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + oid);
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154 |
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155 | if (!newDir.exists())
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156 | {
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157 | newDir.mkdir();
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158 | }
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159 |
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160 | HashMap<String, ArrayList<String>> entries = new HashMap<String, ArrayList<String>>();
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161 | ArrayList<String> values = new ArrayList<String>();
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162 | values.add(oid + "/doc.xml");
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163 | entries.put("doc-file", values);
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164 |
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165 | //Write the new entry to the archive database
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166 | archiveWriteEntryToDatabase(oid, collection, entries, lang, uid);
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167 | if (_errorStatus != NO_ERROR)
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168 | {
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169 | return;
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170 | }
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171 |
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172 | //Create a basic doc.xml file to go in the new folder
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173 | documentXMLCreateDocXML(oid, collection, lang, uid);
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174 | }
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175 | else
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176 | {
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177 | documentXMLCreateSection(oid, collection, lang, uid);
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178 | }
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179 | }
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180 |
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181 | /**
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182 | * Can be used to delete a document or section
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183 | *
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184 | * @param oid
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185 | * is the identifier of the document/section to delete.
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186 | * @param collection
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187 | * is the collection to delete the document/section from.
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188 | */
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189 | public void documentDelete(String oid, String collection, String lang, String uid)
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190 | {
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191 | _errorStatus = NO_ERROR;
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192 | if (oid == null || oid.equals(""))
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193 | {
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194 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
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195 | return;
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196 | }
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197 | else if (collection == null || collection.equals(""))
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198 | {
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199 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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200 | return;
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201 | }
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202 |
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203 | if (!archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
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204 | {
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205 | _errorStatus = ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
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206 | return;
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207 | }
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208 |
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209 | //Check if the OID is the OID for a section
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210 | boolean section = false;
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211 | if (oid.contains("."))
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212 | {
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213 | section = true;
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214 | }
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215 |
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216 | if (!section)
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217 | {
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218 | File dirToDelete = new File(_siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + oid);
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219 |
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220 | if (!dirToDelete.exists() || !dirToDelete.isDirectory() || !deleteDirectory(dirToDelete))
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221 | {
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222 | _errorStatus = ERROR_COULD_NOT_DELETE;
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223 | return;
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224 | }
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225 |
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226 | //Remove the entry from the archive database
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227 | archiveRemoveEntryFromDatabase(oid, collection, lang, uid);
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228 | }
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229 | else
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230 | {
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231 | documentXMLDeleteSection(oid, collection, lang, uid);
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232 | }
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233 | }
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234 |
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235 | /**
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236 | * Can be used to copy a document or section from one place to another.
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237 | *
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238 | * @param oid
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239 | * is the identifier of the document/section that is to be
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240 | * copied.
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241 | * @param collection
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242 | * is the collection the source document resides in.
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243 | * @param newOID
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244 | * is the new identifier for the document/section (it cannot
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245 | * already exist).
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246 | * @param newCollection
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247 | * is the collection the new document/section will be copied to.
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248 | * If this is null then the collection parameter will be used
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249 | * instead.
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250 | */
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251 | public void documentMoveOrDuplicate(String oid, String collection, String newOID, String newCollection, int operation, boolean move, String lang, String uid)
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252 | {
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253 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
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254 | {
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255 | return;
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256 | }
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257 |
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258 | //If a new collection is not specified then assume the collection of the original document
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259 | if (newCollection == null || newCollection.equals(""))
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260 | {
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261 | newCollection = collection;
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262 | }
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263 |
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264 | //Generate an OID for the duplicate if we are not given one
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265 | if (newOID == null || newOID.equals(""))
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266 | {
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267 | _errorStatus = ERROR_DESTINATION_OID_NOT_SPECIFIED;
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268 | return;
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269 | }
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270 |
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271 | boolean requiresDatabaseEntry = false;
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272 | int operationType = getOperation(oid, newOID);
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273 | switch (operationType)
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274 | {
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275 | case OPERATION_TYPE_DOC_TO_DOC:
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276 | {
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277 | String archiveDir = archiveGetDocumentFilePath(oid, collection, lang, uid);
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278 | if (_errorStatus != NO_ERROR)
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279 | {
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280 | return;
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281 | }
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282 |
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283 | //Remove doc.xml from the file name
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284 | archiveDir = archiveDir.substring(0, archiveDir.lastIndexOf(File.separator));
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285 | File dirToDuplicate = new File(archiveDir);
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286 |
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287 | //This is possibly not the best way to name the new directory
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288 | File newDir = new File(archiveDir.substring(0, archiveDir.lastIndexOf(File.separator) + File.separator.length()) + newOID);
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289 |
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290 | if (dirToDuplicate.exists() && dirToDuplicate.isDirectory() && !newDir.exists())
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291 | {
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292 | if (!copyDirectory(dirToDuplicate, newDir))
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293 | {
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294 | _errorStatus = ERROR_COULD_NOT_DUPLICATE;
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295 | return;
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296 | }
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297 | }
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298 | else
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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 | if (move)
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305 | {
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306 | deleteDirectory(dirToDuplicate);
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307 | }
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308 |
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309 | requiresDatabaseEntry = true;
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310 | break;
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311 | }
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312 | case OPERATION_TYPE_DOC_TO_SEC:
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313 | {
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314 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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315 | Element originalSection = getTopLevelSectionElement(originalDocument);
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316 |
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317 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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318 | if (_errorStatus != NO_ERROR)
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319 | {
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320 | return;
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321 | }
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322 |
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323 | documentXMLSetSection(newOID, newCollection, originalSection, operation, lang, uid);
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324 |
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325 | if (move)
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326 | {
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327 | String archiveDirStr = archiveGetDocumentFilePath(oid, collection, lang, uid);
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328 | if (_errorStatus != NO_ERROR)
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329 | {
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330 | return;
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331 | }
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332 |
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333 | File archiveDir = new File(archiveDirStr);
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334 |
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335 | if (archiveDir.exists() && archiveDir.isDirectory())
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336 | {
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337 | deleteDirectory(archiveDir);
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338 | }
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339 | }
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340 | break;
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341 | }
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342 | case OPERATION_TYPE_SEC_TO_DOC:
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343 | {
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344 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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345 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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346 |
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347 | documentCreate(newOID, newCollection, lang, uid);
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348 | if (_errorStatus != NO_ERROR)
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349 | {
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350 | return;
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351 | }
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352 |
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353 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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354 | if (_errorStatus != NO_ERROR)
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355 | {
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356 | return;
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357 | }
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358 |
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359 | documentXMLSetSection(newOID, newCollection, originalSection, operation, lang, uid);
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360 |
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361 | if (move)
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362 | {
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363 | originalDocument = getDocXML(oid, collection, lang, uid);
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364 | originalSection.getParentNode().removeChild(originalSection);
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365 |
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366 | //Write the new change back into the file
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367 | if (!writeXMLFile(originalDocument, oid, collection, lang, uid))
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368 | {
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369 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
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370 | return;
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371 | }
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372 | }
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373 |
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374 | requiresDatabaseEntry = true;
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375 | break;
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376 | }
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377 | case OPERATION_TYPE_SEC_TO_SEC:
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378 | {
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379 | Document originalDocument = getDocXML(oid, collection, lang, uid);
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380 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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381 |
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382 | if (operation == OPERATION_REPLACE)
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383 | {
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384 | documentXMLCreateSection(newOID, newCollection, lang, uid);
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385 | if (_errorStatus != NO_ERROR)
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386 | {
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387 | return;
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388 | }
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389 | }
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390 |
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391 | documentXMLSetSection(newOID, newCollection, originalSection, operation, lang, uid);
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392 | if (_errorStatus != NO_ERROR)
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393 | {
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394 | return;
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395 | }
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396 |
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397 | if (move)
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398 | {
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399 | originalDocument = getDocXML(oid, collection, lang, uid);
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400 | originalSection.getParentNode().removeChild(originalSection);
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401 |
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402 | //Write the new change back into the file
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403 | if (!writeXMLFile(originalDocument, oid, collection, lang, uid))
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404 | {
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405 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
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406 | return;
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407 | }
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408 | }
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409 |
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410 | break;
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411 | }
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412 | }
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413 |
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414 | if (requiresDatabaseEntry)
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415 | {
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416 | HashMap<String, ArrayList<String>> entries = new HashMap<String, ArrayList<String>>();
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417 | ArrayList<String> values = new ArrayList<String>();
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418 | values.add(newOID + "/doc.xml");
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419 | entries.put("doc-file", values);
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420 |
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421 | //Write the new entry to the archive database
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422 | archiveWriteEntryToDatabase(newOID, newCollection, entries, lang, uid);
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423 | }
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424 | }
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425 |
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426 | /**
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427 | * Can be used to acquire information about a given document or section.
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428 | *
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429 | * @param oid
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430 | * is the identifier of the document or section.
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431 | * @param collection
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432 | * is the collection the document or section resides in.
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433 | * @param requestedInfo
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434 | * is an array containing the various requests.
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435 | * @return This returns an array containing the requested information.
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436 | */
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437 | public String[] documentGetInformation(String oid, String collection, String[] requestedInfo, String lang, String uid)
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438 | {
|
---|
439 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
440 | {
|
---|
441 | return null;
|
---|
442 | }
|
---|
443 |
|
---|
444 | for (int j = 0; j < requestedInfo.length; j++)
|
---|
445 | {
|
---|
446 | String currentRequest = requestedInfo[j];
|
---|
447 | //TODO: Decide what info requests are valid (e.g. number of sections etc.)
|
---|
448 | //-How many child/sibling sections
|
---|
449 | //-Metadata keys
|
---|
450 | }
|
---|
451 | //TODO: Implement
|
---|
452 | return null;
|
---|
453 | }
|
---|
454 |
|
---|
455 | /**
|
---|
456 | * Can be used to merge two parts of a document together. The sections must
|
---|
457 | * be in the same document at the same level (e.g. D11.1.2 and D11.1.3) or a
|
---|
458 | * section and it's parent (e.g. D11.1.2 and D11.1). Also, the destination
|
---|
459 | * section cannot have any child sections.
|
---|
460 | *
|
---|
461 | * @param oid
|
---|
462 | * the identifier of the section that is to be merged.
|
---|
463 | * @param collection
|
---|
464 | * the collection the section resides in.
|
---|
465 | * @param mergeOID
|
---|
466 | * the identifier of the section that the source section will be
|
---|
467 | * merged into.
|
---|
468 | */
|
---|
469 | public void documentMerge(String oid, String collection, String mergeOID, String lang, String uid)
|
---|
470 | {
|
---|
471 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
472 | {
|
---|
473 | return;
|
---|
474 | }
|
---|
475 |
|
---|
476 | if ((_errorStatus = checkOIDandCollection(mergeOID, collection, lang, uid)) != NO_ERROR)
|
---|
477 | {
|
---|
478 | return;
|
---|
479 | }
|
---|
480 |
|
---|
481 | int op = getOperation(oid, mergeOID);
|
---|
482 | 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)
|
---|
483 | {
|
---|
484 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
485 | return;
|
---|
486 | }
|
---|
487 |
|
---|
488 | String[] sourceLevels = oid.split("\\.");
|
---|
489 | String[] destinationLevels = mergeOID.split("\\.");
|
---|
490 |
|
---|
491 | if (destinationLevels.length > sourceLevels.length)
|
---|
492 | {
|
---|
493 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
494 | return;
|
---|
495 | }
|
---|
496 |
|
---|
497 | for (int i = 0; i < sourceLevels.length - 1; i++)
|
---|
498 | {
|
---|
499 | if (i >= destinationLevels.length || !sourceLevels[i].equals(destinationLevels[i]))
|
---|
500 | {
|
---|
501 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
502 | return;
|
---|
503 | }
|
---|
504 | }
|
---|
505 |
|
---|
506 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
507 | if (docXML == null)
|
---|
508 | {
|
---|
509 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
510 | return;
|
---|
511 | }
|
---|
512 |
|
---|
513 | Element sourceSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
514 | Element destinationSection = getSectionBySectionNumber(docXML, getSectionFromOID(mergeOID));
|
---|
515 |
|
---|
516 | //Make sure the destination Section does not have any child Sections.
|
---|
517 | NodeList childSections = GSXML.getChildrenByTagName(destinationSection, GSXML.DOCXML_SECTION_ELEM);
|
---|
518 | if (childSections.getLength() != 0 && sourceLevels.length == destinationLevels.length)
|
---|
519 | {
|
---|
520 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
521 | return;
|
---|
522 | }
|
---|
523 |
|
---|
524 | //Get the children of the destination section so we can copy them to the source section before we overwrite the destination
|
---|
525 | NodeList childrenToKeep = destinationSection.getChildNodes();
|
---|
526 | ArrayList<Node> childList = new ArrayList<Node>();
|
---|
527 | for (int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
528 | {
|
---|
529 | //Need to put these in a list to make them easier to loop through as using a NodeList is messy
|
---|
530 | childList.add(childrenToKeep.item(i));
|
---|
531 | }
|
---|
532 |
|
---|
533 | //for(int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
534 | for (int i = 0; i < childList.size(); i++)
|
---|
535 | {
|
---|
536 | Node currentChild = childList.get(i);
|
---|
537 | //If the child is not a <Content> node then add it to source section
|
---|
538 | if (!currentChild.getNodeName().equals(GSXML.DOCXML_CONTENT_ELEM))
|
---|
539 | {
|
---|
540 | sourceSection.appendChild(currentChild);
|
---|
541 | continue;
|
---|
542 | }
|
---|
543 |
|
---|
544 | //Get the destination Section's Content node's text node, if it's empty then we don't need to worry about appending it
|
---|
545 | Node destinationTextNode = currentChild.getFirstChild();
|
---|
546 | if (destinationTextNode == null || destinationTextNode.getNodeValue() == null || destinationTextNode.getNodeValue().equals(""))
|
---|
547 | {
|
---|
548 | continue;
|
---|
549 | }
|
---|
550 |
|
---|
551 | //If the source Section does not have a content then directly append the destination content
|
---|
552 | Element sourceContent = (Element) GSXML.getChildByTagName(sourceSection, GSXML.DOCXML_CONTENT_ELEM);
|
---|
553 | if (sourceContent == null)
|
---|
554 | {
|
---|
555 | sourceSection.appendChild(currentChild);
|
---|
556 | continue;
|
---|
557 | }
|
---|
558 |
|
---|
559 | //If the source Section's Content is empty then again we can directly append the destination content
|
---|
560 | Node sourceTextNode = sourceContent.getFirstChild();
|
---|
561 | if (sourceTextNode == null || sourceTextNode.getNodeValue() == null || sourceTextNode.getNodeValue().equals(""))
|
---|
562 | {
|
---|
563 | sourceSection.appendChild(currentChild);
|
---|
564 | continue;
|
---|
565 | }
|
---|
566 |
|
---|
567 | //Otherwise, set the new content to be destination + source text in that order.
|
---|
568 | sourceTextNode.setNodeValue(destinationTextNode.getNodeValue() + " " + sourceTextNode.getNodeValue());
|
---|
569 | }
|
---|
570 |
|
---|
571 | documentXMLSetSection(mergeOID, collection, sourceSection, OPERATION_REPLACE, lang, uid);
|
---|
572 | if (_errorStatus != NO_ERROR)
|
---|
573 | {
|
---|
574 | return;
|
---|
575 | }
|
---|
576 |
|
---|
577 | documentXMLDeleteSection(oid, collection, lang, uid);
|
---|
578 | }
|
---|
579 |
|
---|
580 | /**
|
---|
581 | * Can be used to split a section into two sections (e.g. D11.2.1 will
|
---|
582 | * become D11.2.1 and D11.2.2). Any child section will belong to the second
|
---|
583 | * section (D11.2.2 in the example).
|
---|
584 | *
|
---|
585 | * @param oid
|
---|
586 | * is the identifer of the section to be split.
|
---|
587 | * @param collection
|
---|
588 | * is the collection the section resides in.
|
---|
589 | * @param splitPoint
|
---|
590 | * is the point in the text we want to split at.
|
---|
591 | */
|
---|
592 | public void documentSplit(String oid, String collection, int splitPoint, String lang, String uid)
|
---|
593 | {
|
---|
594 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
595 | {
|
---|
596 | return;
|
---|
597 | }
|
---|
598 |
|
---|
599 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
600 | if (docXML == null)
|
---|
601 | {
|
---|
602 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
603 | return;
|
---|
604 | }
|
---|
605 |
|
---|
606 | Element sectionToSplit = null;
|
---|
607 | if (!oid.contains("."))
|
---|
608 | {
|
---|
609 | sectionToSplit = getTopLevelSectionElement(docXML);
|
---|
610 | }
|
---|
611 | else
|
---|
612 | {
|
---|
613 | sectionToSplit = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
614 | }
|
---|
615 |
|
---|
616 | Element content = (Element) GSXML.getChildByTagName(sectionToSplit, GSXML.DOCXML_CONTENT_ELEM);
|
---|
617 | if (content == null)
|
---|
618 | {
|
---|
619 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
620 | return;
|
---|
621 | }
|
---|
622 |
|
---|
623 | Node textNode = content.getFirstChild();
|
---|
624 | if (textNode == null)
|
---|
625 | {
|
---|
626 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
627 | return;
|
---|
628 | }
|
---|
629 |
|
---|
630 | String text = textNode.getNodeValue();
|
---|
631 | if (splitPoint > text.length() - 2 || splitPoint < 1) //-1 would be the index of the last character, so the last valid split point is -2
|
---|
632 | {
|
---|
633 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
634 | return;
|
---|
635 | }
|
---|
636 |
|
---|
637 | String firstPart = text.substring(0, splitPoint);
|
---|
638 | String secondPart = text.substring(splitPoint);
|
---|
639 |
|
---|
640 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
641 | Element newContent = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
642 | Node newTextNode = docXML.createTextNode(firstPart);
|
---|
643 | newContent.appendChild(newTextNode);
|
---|
644 | newSection.appendChild(newContent);
|
---|
645 |
|
---|
646 | documentXMLSetSection(oid, collection, newSection, OPERATION_INSERT_BEFORE, lang, uid);
|
---|
647 | if (_errorStatus != NO_ERROR)
|
---|
648 | {
|
---|
649 | return;
|
---|
650 | }
|
---|
651 | textNode.setNodeValue(secondPart);
|
---|
652 |
|
---|
653 | //Write the new change back into the file
|
---|
654 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
655 | {
|
---|
656 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
657 | }
|
---|
658 | }
|
---|
659 |
|
---|
660 | /**
|
---|
661 | * Creates a basic doc.xml file with minimal contents.
|
---|
662 | *
|
---|
663 | * @param oid
|
---|
664 | * is the identifier of the document to be created.
|
---|
665 | * @param collection
|
---|
666 | * is the collection the new document will reside in.
|
---|
667 | */
|
---|
668 | public void documentXMLCreateDocXML(String oid, String collection, String lang, String uid)
|
---|
669 | {
|
---|
670 | _errorStatus = NO_ERROR;
|
---|
671 | try
|
---|
672 | {
|
---|
673 | Document docXML = null;
|
---|
674 |
|
---|
675 | String filePath = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
676 | File docFile = new File(filePath);
|
---|
677 | if (!docFile.exists() && !docFile.createNewFile())
|
---|
678 | {
|
---|
679 | _errorStatus = ERROR_DOC_XML_COULD_NOT_BE_CREATED;
|
---|
680 | return;
|
---|
681 | }
|
---|
682 |
|
---|
683 | BufferedWriter bw = new BufferedWriter(new FileWriter(docFile));
|
---|
684 | bw.write("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n");
|
---|
685 | bw.write("<!DOCTYPE Archive SYSTEM \"http://greenstone.org/dtd/Archive/1.0/Archive.dtd\">\n");
|
---|
686 | bw.write("<Archive>\n");
|
---|
687 | bw.write("</Archive>\n");
|
---|
688 | bw.close();
|
---|
689 |
|
---|
690 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
691 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
692 | docXML = db.parse(docFile);
|
---|
693 |
|
---|
694 | _docCache.put(oid + "__" + collection, docXML);
|
---|
695 | }
|
---|
696 | catch (Exception ex)
|
---|
697 | {
|
---|
698 | ex.printStackTrace();
|
---|
699 | _errorStatus = ERROR_EXCEPTION_CREATING_DOC_XML_FILE;
|
---|
700 | return;
|
---|
701 | }
|
---|
702 | }
|
---|
703 |
|
---|
704 | /**
|
---|
705 | * Gets a metadata value from a document or section.
|
---|
706 | *
|
---|
707 | * @param oid
|
---|
708 | * is the identifier of the section or document to get metadata
|
---|
709 | * from.
|
---|
710 | * @param collection
|
---|
711 | * is the collection the section or document resides in.
|
---|
712 | * @param metadataName
|
---|
713 | * is the name of metadata to retrieve
|
---|
714 | * @return an array of metadata elements containing the resquested metadata
|
---|
715 | */
|
---|
716 | public ArrayList<Element> documentXMLGetMetadata(String oid, String collection, String metadataName, String lang, String uid)
|
---|
717 | {
|
---|
718 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
719 | {
|
---|
720 | return null;
|
---|
721 | }
|
---|
722 | else if (metadataName == null || metadataName.equals(""))
|
---|
723 | {
|
---|
724 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
725 | return null;
|
---|
726 | }
|
---|
727 |
|
---|
728 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
729 | if (docXML == null)
|
---|
730 | {
|
---|
731 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
732 | return null;
|
---|
733 | }
|
---|
734 |
|
---|
735 | return getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
736 | }
|
---|
737 |
|
---|
738 | /**
|
---|
739 | *
|
---|
740 | * @param oid
|
---|
741 | * is the identifier of the document or section that is to have
|
---|
742 | * it's metadata set.
|
---|
743 | * @param collection
|
---|
744 | * is the collection the document/section resides in.
|
---|
745 | * @param metadataName
|
---|
746 | * is the name of the metadata value that is to be set.
|
---|
747 | * @param newMetadataValue
|
---|
748 | * is the new value of the metadata.
|
---|
749 | * @param position
|
---|
750 | * specifies the position of the value to set.
|
---|
751 | * @param operation
|
---|
752 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
753 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
754 | */
|
---|
755 | public void documentXMLSetMetadata(String oid, String collection, String metadataName, String newMetadataValue, int position, int operation, String lang, String uid)
|
---|
756 | {
|
---|
757 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
758 | {
|
---|
759 | return;
|
---|
760 | }
|
---|
761 | else if (metadataName == null || metadataName.equals(""))
|
---|
762 | {
|
---|
763 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
764 | return;
|
---|
765 | }
|
---|
766 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
767 | {
|
---|
768 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
769 | return;
|
---|
770 | }
|
---|
771 |
|
---|
772 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
773 | if (docXML == null)
|
---|
774 | {
|
---|
775 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
776 | return;
|
---|
777 | }
|
---|
778 |
|
---|
779 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
780 |
|
---|
781 | if (operation != OPERATION_APPEND && metadataElems.get(position) == null)
|
---|
782 | {
|
---|
783 | _errorStatus = ERROR_INVALID_METADATA_POSITION;
|
---|
784 | return;
|
---|
785 | }
|
---|
786 |
|
---|
787 | if (operation == OPERATION_REPLACE)
|
---|
788 | {
|
---|
789 | metadataElems.get(position).setNodeValue(newMetadataValue);
|
---|
790 | }
|
---|
791 | else if (operation == OPERATION_INSERT_BEFORE)
|
---|
792 | {
|
---|
793 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
794 | Element existingMetadata = metadataElems.get(position);
|
---|
795 |
|
---|
796 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
797 | }
|
---|
798 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
799 | {
|
---|
800 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
801 | Element existingMetadata = metadataElems.get(position + 1);
|
---|
802 |
|
---|
803 | if (existingMetadata != null)
|
---|
804 | {
|
---|
805 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
806 | }
|
---|
807 | else
|
---|
808 | {
|
---|
809 | existingMetadata = metadataElems.get(position);
|
---|
810 | existingMetadata.getParentNode().appendChild(newMetadata);
|
---|
811 | }
|
---|
812 | }
|
---|
813 | else
|
---|
814 | {
|
---|
815 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
816 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
817 | if (description == null)
|
---|
818 | {
|
---|
819 | description = docXML.createElement(GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
820 | section.appendChild(description);
|
---|
821 | }
|
---|
822 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
823 | description.appendChild(newMetadata);
|
---|
824 | }
|
---|
825 |
|
---|
826 | //Write the new change back into the file
|
---|
827 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
828 | {
|
---|
829 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
830 | }
|
---|
831 | }
|
---|
832 |
|
---|
833 | /**
|
---|
834 | * Can be used to delete metadata at a specific position in a document or
|
---|
835 | * section (such as the third author of a document).
|
---|
836 | *
|
---|
837 | * @param oid
|
---|
838 | * is the identifier of the document/section to delete metadata
|
---|
839 | * from.
|
---|
840 | * @param collection
|
---|
841 | * is the collection the document resides in.
|
---|
842 | * @param metadataName
|
---|
843 | * is the name of the metadata that is to have an item deleted.
|
---|
844 | * @param position
|
---|
845 | * is position of the item that is to be deleted.
|
---|
846 | */
|
---|
847 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, int position, String lang, String uid)
|
---|
848 | {
|
---|
849 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
850 | {
|
---|
851 | return;
|
---|
852 | }
|
---|
853 | else if (metadataName == null || metadataName.equals(""))
|
---|
854 | {
|
---|
855 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
856 | return;
|
---|
857 | }
|
---|
858 |
|
---|
859 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
860 | if (docXML == null)
|
---|
861 | {
|
---|
862 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
863 | return;
|
---|
864 | }
|
---|
865 |
|
---|
866 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
867 |
|
---|
868 | if (metadataElems.get(position) != null)
|
---|
869 | {
|
---|
870 | metadataElems.get(position).getParentNode().removeChild(metadataElems.get(position));
|
---|
871 | }
|
---|
872 | }
|
---|
873 |
|
---|
874 | /**
|
---|
875 | * Can be used to delete all the metadata with a specific name from a
|
---|
876 | * document or section (e.g. all of the authors).
|
---|
877 | *
|
---|
878 | * @param oid
|
---|
879 | * is the identifier of the document or section to delete the
|
---|
880 | * metadata from.
|
---|
881 | * @param collection
|
---|
882 | * is the collection the document resides in.
|
---|
883 | * @param metadataName
|
---|
884 | * is the name of the metadata to delete.
|
---|
885 | */
|
---|
886 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, String lang, String uid)
|
---|
887 | {
|
---|
888 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
889 | {
|
---|
890 | return;
|
---|
891 | }
|
---|
892 | else if (metadataName == null || metadataName.equals(""))
|
---|
893 | {
|
---|
894 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
895 | return;
|
---|
896 | }
|
---|
897 |
|
---|
898 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
899 | if (docXML == null)
|
---|
900 | {
|
---|
901 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
902 | return;
|
---|
903 | }
|
---|
904 |
|
---|
905 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
906 |
|
---|
907 | for (Element elem : metadataElems)
|
---|
908 | {
|
---|
909 | elem.getParentNode().removeChild(elem);
|
---|
910 | }
|
---|
911 | }
|
---|
912 |
|
---|
913 | /**
|
---|
914 | * Can be used to replace a specific metadata item of a given name, given
|
---|
915 | * it's value.
|
---|
916 | *
|
---|
917 | * @param oid
|
---|
918 | * is the document/section of the metadata that is to be
|
---|
919 | * replaced.
|
---|
920 | * @param collection
|
---|
921 | * is the collection the document resides in.
|
---|
922 | * @param metadataName
|
---|
923 | * is the name of the metadata to be replaced.
|
---|
924 | * @param oldMetadataValue
|
---|
925 | * is the old value of the metadata (the value that will be
|
---|
926 | * replaced).
|
---|
927 | * @param newMetadataValue
|
---|
928 | * is the new value of the metadata that will replace the old
|
---|
929 | * value.
|
---|
930 | */
|
---|
931 | public void documentXMLReplaceMetadata(String oid, String collection, String metadataName, String oldMetadataValue, String newMetadataValue, String lang, String uid)
|
---|
932 | {
|
---|
933 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
934 | {
|
---|
935 | return;
|
---|
936 | }
|
---|
937 | else if (metadataName == null || metadataName.equals(""))
|
---|
938 | {
|
---|
939 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
940 | return;
|
---|
941 | }
|
---|
942 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
943 | {
|
---|
944 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
945 | return;
|
---|
946 | }
|
---|
947 | else if (oldMetadataValue == null || oldMetadataValue.equals(""))
|
---|
948 | {
|
---|
949 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
950 | return;
|
---|
951 | }
|
---|
952 |
|
---|
953 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
954 | if (docXML == null)
|
---|
955 | {
|
---|
956 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
957 | return;
|
---|
958 | }
|
---|
959 |
|
---|
960 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
961 |
|
---|
962 | for (Element elem : metadataElems)
|
---|
963 | {
|
---|
964 | Node textNode = elem.getFirstChild();
|
---|
965 |
|
---|
966 | if (textNode != null && textNode.getNodeValue().equals(oldMetadataValue))
|
---|
967 | {
|
---|
968 | textNode.setNodeValue(newMetadataValue);
|
---|
969 | }
|
---|
970 | }
|
---|
971 |
|
---|
972 | //Write the new change back into the file
|
---|
973 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
974 | {
|
---|
975 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
976 | }
|
---|
977 | }
|
---|
978 |
|
---|
979 | /**
|
---|
980 | * Can be used to create a blank section.
|
---|
981 | *
|
---|
982 | * @param oid
|
---|
983 | * is the identifier of the section to be created.
|
---|
984 | * @param collection
|
---|
985 | * is the collection the document resides in.
|
---|
986 | */
|
---|
987 | public void documentXMLCreateSection(String oid, String collection, String lang, String uid)
|
---|
988 | {
|
---|
989 | _errorStatus = NO_ERROR;
|
---|
990 | if (oid == null || oid.equals(""))
|
---|
991 | {
|
---|
992 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
993 | return;
|
---|
994 | }
|
---|
995 | else if (collection == null || collection.equals(""))
|
---|
996 | {
|
---|
997 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
998 | return;
|
---|
999 | }
|
---|
1000 |
|
---|
1001 | if (oid.contains(".") && !archiveCheckDocumentOrSectionExists(oid.substring(0, oid.indexOf(".")), collection, lang, uid))
|
---|
1002 | {
|
---|
1003 | documentCreate(oid.substring(0, oid.indexOf(".")), collection, lang, uid);
|
---|
1004 | if (_errorStatus != NO_ERROR)
|
---|
1005 | {
|
---|
1006 | return;
|
---|
1007 | }
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1011 | if (docXML == null)
|
---|
1012 | {
|
---|
1013 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1014 | return;
|
---|
1015 | }
|
---|
1016 |
|
---|
1017 | Element topLevel = docXML.getDocumentElement();
|
---|
1018 | if (!oid.contains("."))
|
---|
1019 | {
|
---|
1020 | if (GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM) == null)
|
---|
1021 | {
|
---|
1022 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1023 | topLevel.appendChild(newSection);
|
---|
1024 | }
|
---|
1025 | }
|
---|
1026 | else
|
---|
1027 | {
|
---|
1028 | int[] intLevels = null;
|
---|
1029 | try
|
---|
1030 | {
|
---|
1031 | intLevels = oidToSectionNumberArray(oid);
|
---|
1032 | }
|
---|
1033 | catch (Exception ex)
|
---|
1034 | {
|
---|
1035 | _errorStatus = ERROR_OID_INCORRECT_FORMAT;
|
---|
1036 | return;
|
---|
1037 | }
|
---|
1038 |
|
---|
1039 | Element current = (Element) GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM);
|
---|
1040 | if (current == null)
|
---|
1041 | {
|
---|
1042 | Element topLevelSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1043 | topLevel.appendChild(topLevelSection);
|
---|
1044 | current = topLevelSection;
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | for (int currentLevelValue : intLevels)
|
---|
1048 | {
|
---|
1049 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1050 |
|
---|
1051 | if (sections.item(currentLevelValue - 1) == null)
|
---|
1052 | {
|
---|
1053 | Element latest = null;
|
---|
1054 | for (int j = 0; j < currentLevelValue - sections.getLength(); j++)
|
---|
1055 | {
|
---|
1056 | Element blankSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1057 | current.appendChild(blankSection);
|
---|
1058 | latest = blankSection;
|
---|
1059 | }
|
---|
1060 | current = latest;
|
---|
1061 | }
|
---|
1062 | else
|
---|
1063 | {
|
---|
1064 | current = (Element) sections.item(currentLevelValue - 1);
|
---|
1065 | }
|
---|
1066 | }
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | //Write the new change back into the file
|
---|
1070 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1071 | {
|
---|
1072 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1073 | }
|
---|
1074 | }
|
---|
1075 |
|
---|
1076 | /**
|
---|
1077 | * Can be used to delete an entire section.
|
---|
1078 | *
|
---|
1079 | * @param oid
|
---|
1080 | * is the identifier of the section to be deleted.
|
---|
1081 | * @param collection
|
---|
1082 | * is the collection the document resides in.
|
---|
1083 | */
|
---|
1084 | public void documentXMLDeleteSection(String oid, String collection, String lang, String uid)
|
---|
1085 | {
|
---|
1086 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1087 | {
|
---|
1088 | return;
|
---|
1089 | }
|
---|
1090 |
|
---|
1091 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1092 | if (docXML == null)
|
---|
1093 | {
|
---|
1094 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1095 | return;
|
---|
1096 | }
|
---|
1097 |
|
---|
1098 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1099 | if (section == null)
|
---|
1100 | {
|
---|
1101 | _errorStatus = ERROR_COULD_NOT_DELETE;
|
---|
1102 | return;
|
---|
1103 | }
|
---|
1104 |
|
---|
1105 | section.getParentNode().removeChild(section);
|
---|
1106 |
|
---|
1107 | //Write the new change back into the file
|
---|
1108 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1109 | {
|
---|
1110 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1111 | }
|
---|
1112 | }
|
---|
1113 |
|
---|
1114 | /**
|
---|
1115 | * Can be used to get a section from a document.
|
---|
1116 | *
|
---|
1117 | * @param oid
|
---|
1118 | * is the identifier of the section to get.
|
---|
1119 | * @param collection
|
---|
1120 | * is the collection the document resides in.
|
---|
1121 | * @return the requested section.
|
---|
1122 | */
|
---|
1123 | public Element documentXMLGetSection(String oid, String collection, String lang, String uid)
|
---|
1124 | {
|
---|
1125 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1126 | {
|
---|
1127 | return null;
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1131 | if (docXML == null)
|
---|
1132 | {
|
---|
1133 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1134 | return null;
|
---|
1135 | }
|
---|
1136 |
|
---|
1137 | Element section = null;
|
---|
1138 | if (!oid.contains("."))
|
---|
1139 | {
|
---|
1140 | section = getTopLevelSectionElement(docXML);
|
---|
1141 | }
|
---|
1142 | else
|
---|
1143 | {
|
---|
1144 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | if (section == null)
|
---|
1148 | {
|
---|
1149 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1150 | return null;
|
---|
1151 | }
|
---|
1152 |
|
---|
1153 | return section;
|
---|
1154 | }
|
---|
1155 |
|
---|
1156 | /**
|
---|
1157 | * Can be used to set an OID to the given section element.
|
---|
1158 | *
|
---|
1159 | * @param oid
|
---|
1160 | * is the identifier of the section to be set.
|
---|
1161 | * @param collection
|
---|
1162 | * is the collection the section will reside in.
|
---|
1163 | * @param newSection
|
---|
1164 | * is the new section element.
|
---|
1165 | * @param operation
|
---|
1166 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
1167 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
1168 | * @throws IOException
|
---|
1169 | */
|
---|
1170 | public void documentXMLSetSection(String oid, String collection, Element newSection, int operation, String lang, String uid)
|
---|
1171 | {
|
---|
1172 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1173 | {
|
---|
1174 | return;
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1178 | if (docXML == null)
|
---|
1179 | {
|
---|
1180 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1181 | return;
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 | Element existingSection = null;
|
---|
1185 | if (!oid.contains("."))
|
---|
1186 | {
|
---|
1187 | existingSection = getTopLevelSectionElement(docXML);
|
---|
1188 | }
|
---|
1189 | else
|
---|
1190 | {
|
---|
1191 | existingSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1192 | }
|
---|
1193 |
|
---|
1194 | if (existingSection == null)
|
---|
1195 | {
|
---|
1196 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1197 | return;
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | Element importedSection = (Element) docXML.importNode(newSection.cloneNode(true), true);
|
---|
1201 | Node sectionParent = existingSection.getParentNode();
|
---|
1202 |
|
---|
1203 | if (operation == OPERATION_APPEND)
|
---|
1204 | {
|
---|
1205 | existingSection.appendChild(importedSection);
|
---|
1206 | }
|
---|
1207 | else
|
---|
1208 | {
|
---|
1209 | //Remove the attributes that are only there to help us find the section
|
---|
1210 | importedSection.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1211 | importedSection.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1212 |
|
---|
1213 | if (operation == OPERATION_INSERT_BEFORE || operation == OPERATION_REPLACE)
|
---|
1214 | {
|
---|
1215 | sectionParent.insertBefore(importedSection, existingSection);
|
---|
1216 | }
|
---|
1217 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
1218 | {
|
---|
1219 | Node siblingNode = existingSection.getNextSibling();
|
---|
1220 | while (siblingNode != null && siblingNode.getNodeType() != Node.ELEMENT_NODE)
|
---|
1221 | {
|
---|
1222 | siblingNode = siblingNode.getNextSibling();
|
---|
1223 | }
|
---|
1224 |
|
---|
1225 | if (siblingNode != null)
|
---|
1226 | {
|
---|
1227 | sectionParent.insertBefore(importedSection, siblingNode);
|
---|
1228 | }
|
---|
1229 | else
|
---|
1230 | {
|
---|
1231 | sectionParent.appendChild(importedSection);
|
---|
1232 | }
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | if (operation == OPERATION_REPLACE)
|
---|
1236 | {
|
---|
1237 | sectionParent.removeChild(existingSection);
|
---|
1238 | }
|
---|
1239 | }
|
---|
1240 |
|
---|
1241 | //Write the new change back into the file
|
---|
1242 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1243 | {
|
---|
1244 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1245 | return;
|
---|
1246 | }
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | /**
|
---|
1250 | * Gets the text of a given section as a string.
|
---|
1251 | *
|
---|
1252 | * @param oid
|
---|
1253 | * is the identifier of the section to get the text from.
|
---|
1254 | * @param collection
|
---|
1255 | * is the collection the document resides in.
|
---|
1256 | * @return the text from the section.
|
---|
1257 | */
|
---|
1258 | public String documentXMLGetText(String oid, String collection, String lang, String uid)
|
---|
1259 | {
|
---|
1260 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1261 | {
|
---|
1262 | return null;
|
---|
1263 | }
|
---|
1264 |
|
---|
1265 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1266 | if (docXML == null)
|
---|
1267 | {
|
---|
1268 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1269 | return null;
|
---|
1270 | }
|
---|
1271 |
|
---|
1272 | Element section = null;
|
---|
1273 | if (!oid.contains("."))
|
---|
1274 | {
|
---|
1275 | section = getTopLevelSectionElement(docXML);
|
---|
1276 | }
|
---|
1277 | else
|
---|
1278 | {
|
---|
1279 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1280 | }
|
---|
1281 |
|
---|
1282 | if (section == null)
|
---|
1283 | {
|
---|
1284 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1285 | return null;
|
---|
1286 | }
|
---|
1287 |
|
---|
1288 | Element contentNode = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1289 | if (contentNode == null)
|
---|
1290 | {
|
---|
1291 | return null;
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 | Node textNode = contentNode.getFirstChild();
|
---|
1295 | if (textNode == null)
|
---|
1296 | {
|
---|
1297 | return null;
|
---|
1298 | }
|
---|
1299 |
|
---|
1300 | return textNode.getNodeValue();
|
---|
1301 | }
|
---|
1302 |
|
---|
1303 | /**
|
---|
1304 | * Sets the text of a given section using an element.
|
---|
1305 | *
|
---|
1306 | * @param oid
|
---|
1307 | * is the identifier of the section to set the text of.
|
---|
1308 | * @param collection
|
---|
1309 | * is the collection the document resides in.
|
---|
1310 | * @param newContent
|
---|
1311 | * is the new content element for the section.
|
---|
1312 | */
|
---|
1313 | public void documentXMLSetText(String oid, String collection, Element newContent, String lang, String uid)
|
---|
1314 | {
|
---|
1315 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1316 | {
|
---|
1317 | return;
|
---|
1318 | }
|
---|
1319 |
|
---|
1320 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1321 | if (docXML == null)
|
---|
1322 | {
|
---|
1323 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1324 | return;
|
---|
1325 | }
|
---|
1326 |
|
---|
1327 | Element section = null;
|
---|
1328 | if (!oid.contains("."))
|
---|
1329 | {
|
---|
1330 | section = getTopLevelSectionElement(docXML);
|
---|
1331 | }
|
---|
1332 | else
|
---|
1333 | {
|
---|
1334 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1335 | }
|
---|
1336 |
|
---|
1337 | if (section == null)
|
---|
1338 | {
|
---|
1339 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1340 | return;
|
---|
1341 | }
|
---|
1342 |
|
---|
1343 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1344 |
|
---|
1345 | //Remove the attributes that are only there to help us find the content
|
---|
1346 | newContent.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1347 | newContent.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1348 |
|
---|
1349 | Element importedContent = (Element) docXML.importNode(newContent, true);
|
---|
1350 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1351 | if (existingContent == null)
|
---|
1352 | {
|
---|
1353 | section.appendChild(importedContent);
|
---|
1354 | }
|
---|
1355 | else
|
---|
1356 | {
|
---|
1357 | Node contentParent = existingContent.getParentNode();
|
---|
1358 |
|
---|
1359 | //Replace the old node in the document tree
|
---|
1360 | contentParent.insertBefore(importedContent, existingContent);
|
---|
1361 | contentParent.removeChild(existingContent);
|
---|
1362 | }
|
---|
1363 |
|
---|
1364 | //Write the new change back into the file
|
---|
1365 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1366 | {
|
---|
1367 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1368 | return;
|
---|
1369 | }
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 | /**
|
---|
1373 | * Sets the text of a given section using a string.
|
---|
1374 | *
|
---|
1375 | * @param oid
|
---|
1376 | * is the identifier of the section to set the text of.
|
---|
1377 | * @param collection
|
---|
1378 | * is the collection the document resides in.
|
---|
1379 | * @param newContent
|
---|
1380 | * is the new text for the section.
|
---|
1381 | */
|
---|
1382 | public void documentXMLSetText(String oid, String collection, String newContent, String lang, String uid)
|
---|
1383 | {
|
---|
1384 | if ((_errorStatus = checkOIDandCollection(oid, collection, lang, uid)) != NO_ERROR)
|
---|
1385 | {
|
---|
1386 | return;
|
---|
1387 | }
|
---|
1388 |
|
---|
1389 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1390 | if (docXML == null)
|
---|
1391 | {
|
---|
1392 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1393 | return;
|
---|
1394 | }
|
---|
1395 |
|
---|
1396 | Element section = null;
|
---|
1397 | if (!oid.contains("."))
|
---|
1398 | {
|
---|
1399 | section = getTopLevelSectionElement(docXML);
|
---|
1400 | }
|
---|
1401 | else
|
---|
1402 | {
|
---|
1403 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1404 | }
|
---|
1405 |
|
---|
1406 | if (section == null)
|
---|
1407 | {
|
---|
1408 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1409 | return;
|
---|
1410 | }
|
---|
1411 |
|
---|
1412 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1413 |
|
---|
1414 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1415 | if (existingContent == null)
|
---|
1416 | {
|
---|
1417 | Element newContentElem = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
1418 | Node textNode = docXML.createTextNode(newContent);
|
---|
1419 | newContentElem.appendChild(textNode);
|
---|
1420 | }
|
---|
1421 | else
|
---|
1422 | {
|
---|
1423 | Node textNode = existingContent.getFirstChild();
|
---|
1424 | if (textNode != null)
|
---|
1425 | {
|
---|
1426 | textNode.setNodeValue(newContent);
|
---|
1427 | }
|
---|
1428 | else
|
---|
1429 | {
|
---|
1430 | existingContent.appendChild(docXML.createTextNode(newContent));
|
---|
1431 | }
|
---|
1432 | }
|
---|
1433 |
|
---|
1434 | //Write the new change back into the file
|
---|
1435 | if (!writeXMLFile(docXML, oid, collection, lang, uid))
|
---|
1436 | {
|
---|
1437 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1438 | return;
|
---|
1439 | }
|
---|
1440 | }
|
---|
1441 |
|
---|
1442 | /**
|
---|
1443 | * Can be used to get the file path of the doc.xml file containing the given
|
---|
1444 | * OID.
|
---|
1445 | *
|
---|
1446 | * @param oid
|
---|
1447 | * is the identifier of the document/section to get the doc.xml
|
---|
1448 | * of.
|
---|
1449 | * @param collection
|
---|
1450 | * is the collection the document resides in.
|
---|
1451 | * @return the file path to the doc.xml file.
|
---|
1452 | */
|
---|
1453 | public String archiveGetDocumentFilePath(String oid, String collection, String lang, String uid)
|
---|
1454 | {
|
---|
1455 | _errorStatus = NO_ERROR;
|
---|
1456 |
|
---|
1457 | if (oid.contains("."))
|
---|
1458 | {
|
---|
1459 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1460 | }
|
---|
1461 |
|
---|
1462 | String assocFilePath = getDocFilePathFromDatabase(oid, collection, lang, uid);
|
---|
1463 | if (assocFilePath == null)
|
---|
1464 | {
|
---|
1465 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1466 | return null;
|
---|
1467 | }
|
---|
1468 |
|
---|
1469 | if (File.separator.equals("\\"))
|
---|
1470 | {
|
---|
1471 | assocFilePath = assocFilePath.replace("/", "\\");
|
---|
1472 | }
|
---|
1473 |
|
---|
1474 | String docFilePath = _siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + assocFilePath;
|
---|
1475 | return docFilePath;
|
---|
1476 | }
|
---|
1477 |
|
---|
1478 | /**
|
---|
1479 | * Can be used to find the document that a specific source file is used in.
|
---|
1480 | *
|
---|
1481 | * @param srcFile
|
---|
1482 | * is the name of the source file.
|
---|
1483 | * @param collection
|
---|
1484 | * is the collection the source file resides in.
|
---|
1485 | * @return the OID of the document that the source file is used in.
|
---|
1486 | */
|
---|
1487 | public String archiveGetSourceFileOID(String srcFile, String collection, String lang, String uid)
|
---|
1488 | {
|
---|
1489 | _errorStatus = NO_ERROR;
|
---|
1490 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFSRC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1491 | if (coll_db == null)
|
---|
1492 | {
|
---|
1493 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1494 | return null;
|
---|
1495 | }
|
---|
1496 |
|
---|
1497 | DBInfo info = coll_db.getInfo(srcFile);
|
---|
1498 | if (info == null)
|
---|
1499 | {
|
---|
1500 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1501 | coll_db.closeDatabase();
|
---|
1502 | return null;
|
---|
1503 | }
|
---|
1504 |
|
---|
1505 | String oid = info.getInfo("oid");
|
---|
1506 |
|
---|
1507 | coll_db.closeDatabase();
|
---|
1508 | return oid;
|
---|
1509 | }
|
---|
1510 |
|
---|
1511 | /**
|
---|
1512 | * Checks to see if a document or section at a given OID exists.
|
---|
1513 | *
|
---|
1514 | * @param oid
|
---|
1515 | * is the identifier of the document/section to check.
|
---|
1516 | * @param collection
|
---|
1517 | * is the collection to search in.
|
---|
1518 | * @return true if the document/section exists, false otherwise.
|
---|
1519 | */
|
---|
1520 | public boolean archiveCheckDocumentOrSectionExists(String oid, String collection, String lang, String uid)
|
---|
1521 | {
|
---|
1522 | _errorStatus = NO_ERROR;
|
---|
1523 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1524 | if (coll_db == null)
|
---|
1525 | {
|
---|
1526 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1527 | return false;
|
---|
1528 | }
|
---|
1529 |
|
---|
1530 | boolean section = false;
|
---|
1531 | if (oid.contains("."))
|
---|
1532 | {
|
---|
1533 | section = true;
|
---|
1534 | }
|
---|
1535 |
|
---|
1536 | DBInfo info = null;
|
---|
1537 | if (section)
|
---|
1538 | {
|
---|
1539 | info = coll_db.getInfo(oid.substring(0, oid.indexOf(".")));
|
---|
1540 | }
|
---|
1541 | else
|
---|
1542 | {
|
---|
1543 | info = coll_db.getInfo(oid);
|
---|
1544 | }
|
---|
1545 | boolean exists = (info != null);
|
---|
1546 |
|
---|
1547 | coll_db.closeDatabase();
|
---|
1548 | if (section && exists)
|
---|
1549 | {
|
---|
1550 | Document docXML = getDocXML(oid, collection, lang, uid);
|
---|
1551 | if (getSectionBySectionNumber(docXML, getSectionFromOID(oid)) == null)
|
---|
1552 | {
|
---|
1553 | return false;
|
---|
1554 | }
|
---|
1555 | return true;
|
---|
1556 | }
|
---|
1557 |
|
---|
1558 | return exists;
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 | /**
|
---|
1562 | * Can be used to write a series of entries to the document database.
|
---|
1563 | *
|
---|
1564 | * @param oid
|
---|
1565 | * is the key that the entries will be written to.
|
---|
1566 | * @param collection
|
---|
1567 | * is the collection whose database will be written to.
|
---|
1568 | * @param infoList
|
---|
1569 | * is the list of entries to write.
|
---|
1570 | */
|
---|
1571 | public void archiveWriteEntryToDatabase(String oid, String collection, HashMap<String, ArrayList<String>> infoList, String lang, String uid)
|
---|
1572 | {
|
---|
1573 | _errorStatus = NO_ERROR;
|
---|
1574 | if (oid == null || oid.equals(""))
|
---|
1575 | {
|
---|
1576 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1577 | return;
|
---|
1578 | }
|
---|
1579 | else if (collection == null || collection.equals(""))
|
---|
1580 | {
|
---|
1581 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1582 | return;
|
---|
1583 | }
|
---|
1584 |
|
---|
1585 | DBInfo info = new DBInfo();
|
---|
1586 |
|
---|
1587 | for (String s : infoList.keySet())
|
---|
1588 | {
|
---|
1589 | for (String v : infoList.get(s))
|
---|
1590 | {
|
---|
1591 | info.addInfo(s, v);
|
---|
1592 | }
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1596 | if (coll_db == null)
|
---|
1597 | {
|
---|
1598 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1599 | return;
|
---|
1600 | }
|
---|
1601 | coll_db.setInfo(oid, info);
|
---|
1602 | coll_db.closeDatabase();
|
---|
1603 | }
|
---|
1604 |
|
---|
1605 | /**
|
---|
1606 | * Can be used to remove an entry from the document database.
|
---|
1607 | *
|
---|
1608 | * @param oid
|
---|
1609 | * is the key of the entry to erase.
|
---|
1610 | * @param collection
|
---|
1611 | * is the collection whose database will have the entry removed.
|
---|
1612 | */
|
---|
1613 | public void archiveRemoveEntryFromDatabase(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;
|
---|
1620 | }
|
---|
1621 | else if (collection == null || collection.equals(""))
|
---|
1622 | {
|
---|
1623 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1624 | return;
|
---|
1625 | }
|
---|
1626 |
|
---|
1627 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1628 | if (coll_db == null)
|
---|
1629 | {
|
---|
1630 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1631 | return;
|
---|
1632 | }
|
---|
1633 | coll_db.deleteKey(oid);
|
---|
1634 | coll_db.closeDatabase();
|
---|
1635 | }
|
---|
1636 |
|
---|
1637 | /**
|
---|
1638 | * Gets the list of associated files for a given document.
|
---|
1639 | *
|
---|
1640 | * @param oid
|
---|
1641 | * is the identifier that will be used to search for associated
|
---|
1642 | * documents.
|
---|
1643 | * @param collection
|
---|
1644 | * is the collection whose database will be searched.
|
---|
1645 | * @return the list of associated files.
|
---|
1646 | */
|
---|
1647 | public ArrayList<String> archiveGetAssociatedImportFiles(String oid, String collection, String lang, String uid)
|
---|
1648 | {
|
---|
1649 | _errorStatus = NO_ERROR;
|
---|
1650 | if (oid == null || oid.equals(""))
|
---|
1651 | {
|
---|
1652 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1653 | return null;
|
---|
1654 | }
|
---|
1655 | else if (collection == null || collection.equals(""))
|
---|
1656 | {
|
---|
1657 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1658 | return null;
|
---|
1659 | }
|
---|
1660 |
|
---|
1661 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, lang, uid);
|
---|
1662 | if (coll_db == null)
|
---|
1663 | {
|
---|
1664 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1665 | return null;
|
---|
1666 | }
|
---|
1667 |
|
---|
1668 | DBInfo info = coll_db.getInfo(oid);
|
---|
1669 | if (info == null)
|
---|
1670 | {
|
---|
1671 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1672 | coll_db.closeDatabase();
|
---|
1673 | return null;
|
---|
1674 | }
|
---|
1675 |
|
---|
1676 | String srcFile = info.getInfo("src-file");
|
---|
1677 | Vector data = info.getMultiInfo("assoc-file");
|
---|
1678 |
|
---|
1679 | ArrayList<String> assocFiles = new ArrayList<String>();
|
---|
1680 | assocFiles.add(srcFile);
|
---|
1681 | for (String d : (Vector<String>) data)
|
---|
1682 | {
|
---|
1683 | assocFiles.add(d);
|
---|
1684 | }
|
---|
1685 |
|
---|
1686 | coll_db.closeDatabase();
|
---|
1687 | return assocFiles;
|
---|
1688 | }
|
---|
1689 |
|
---|
1690 | /********************
|
---|
1691 | * Helper functions *
|
---|
1692 | *******************/
|
---|
1693 |
|
---|
1694 | public boolean checkError(Element elem, String methodName)
|
---|
1695 | {
|
---|
1696 | if (_errorMessageMap.get(_errorStatus) != null)
|
---|
1697 | {
|
---|
1698 | GSXML.addError(elem.getOwnerDocument(), elem, methodName + ": " + _errorMessageMap.get(_errorStatus), GSXML.ERROR_TYPE_SYNTAX);
|
---|
1699 | return true;
|
---|
1700 | }
|
---|
1701 |
|
---|
1702 | return false;
|
---|
1703 | }
|
---|
1704 |
|
---|
1705 | public String getSectionFromOID(String oid)
|
---|
1706 | {
|
---|
1707 | if (!oid.contains("."))
|
---|
1708 | {
|
---|
1709 | return null;
|
---|
1710 | }
|
---|
1711 | return oid.substring(oid.indexOf(".") + 1);
|
---|
1712 | }
|
---|
1713 |
|
---|
1714 | public Element createElementWithValue(Document doc, String nodeName, String name, String value)
|
---|
1715 | {
|
---|
1716 | Element metadataElem = doc.createElement(nodeName);
|
---|
1717 | metadataElem.setAttribute(GSXML.NAME_ATT, name);
|
---|
1718 | Node textNode = doc.createTextNode(value);
|
---|
1719 | metadataElem.appendChild(textNode);
|
---|
1720 | return metadataElem;
|
---|
1721 | }
|
---|
1722 |
|
---|
1723 | public int getOperation(String to, String from)
|
---|
1724 | {
|
---|
1725 | int op;
|
---|
1726 | if (!to.contains(".") && !from.contains("."))
|
---|
1727 | {
|
---|
1728 | op = OPERATION_TYPE_DOC_TO_DOC;
|
---|
1729 | }
|
---|
1730 | else if (!to.contains(".") && from.contains("."))
|
---|
1731 | {
|
---|
1732 | op = OPERATION_TYPE_DOC_TO_SEC;
|
---|
1733 | }
|
---|
1734 | else if (to.contains(".") && !from.contains("."))
|
---|
1735 | {
|
---|
1736 | op = OPERATION_TYPE_SEC_TO_DOC;
|
---|
1737 | }
|
---|
1738 | else
|
---|
1739 | {
|
---|
1740 | op = OPERATION_TYPE_SEC_TO_SEC;
|
---|
1741 | }
|
---|
1742 | return op;
|
---|
1743 | }
|
---|
1744 |
|
---|
1745 | public int[] oidToSectionNumberArray(String oid) throws Exception
|
---|
1746 | {
|
---|
1747 | String[] strLevels = oid.split("\\.");
|
---|
1748 | int[] intLevels = new int[strLevels.length - 1];
|
---|
1749 |
|
---|
1750 | for (int i = 1; i < strLevels.length; i++) //Start at 1 to avoid the document identifier part of the OID
|
---|
1751 | {
|
---|
1752 | intLevels[i - 1] = Integer.parseInt(strLevels[i]);
|
---|
1753 | }
|
---|
1754 |
|
---|
1755 | return intLevels;
|
---|
1756 | }
|
---|
1757 |
|
---|
1758 | public String getDocFilePathFromDatabase(String oid, String collection, String lang, String uid)
|
---|
1759 | {
|
---|
1760 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, lang, uid);
|
---|
1761 | if (coll_db == null)
|
---|
1762 | {
|
---|
1763 | return null;
|
---|
1764 | }
|
---|
1765 | DBInfo info = coll_db.getInfo(oid);
|
---|
1766 | if (info == null)
|
---|
1767 | {
|
---|
1768 | return null;
|
---|
1769 | }
|
---|
1770 |
|
---|
1771 | String docFile = info.getInfo("doc-file");
|
---|
1772 | coll_db.closeDatabase();
|
---|
1773 | return docFile;
|
---|
1774 | }
|
---|
1775 |
|
---|
1776 | public boolean deleteDirectory(File current)
|
---|
1777 | {
|
---|
1778 | try
|
---|
1779 | {
|
---|
1780 | if (current == null || !current.exists())
|
---|
1781 | {
|
---|
1782 | return false;
|
---|
1783 | }
|
---|
1784 |
|
---|
1785 | if (!current.isDirectory())
|
---|
1786 | {
|
---|
1787 | current.delete();
|
---|
1788 | return true;
|
---|
1789 | }
|
---|
1790 |
|
---|
1791 | for (File f : current.listFiles())
|
---|
1792 | {
|
---|
1793 | if (f.isDirectory())
|
---|
1794 | {
|
---|
1795 | deleteDirectory(f);
|
---|
1796 | }
|
---|
1797 | else
|
---|
1798 | {
|
---|
1799 | f.delete();
|
---|
1800 | }
|
---|
1801 | }
|
---|
1802 | current.delete();
|
---|
1803 | }
|
---|
1804 | catch (Exception ex)
|
---|
1805 | {
|
---|
1806 | return false;
|
---|
1807 | }
|
---|
1808 |
|
---|
1809 | return true;
|
---|
1810 | }
|
---|
1811 |
|
---|
1812 | public int checkOIDandCollection(String oid, String collection, String lang, String uid)
|
---|
1813 | {
|
---|
1814 | if (oid == null || oid.equals(""))
|
---|
1815 | {
|
---|
1816 | return ERROR_OID_NOT_SPECIFIED;
|
---|
1817 | }
|
---|
1818 |
|
---|
1819 | if (collection == null || collection.equals(""))
|
---|
1820 | {
|
---|
1821 | return ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1822 | }
|
---|
1823 |
|
---|
1824 | if (!archiveCheckDocumentOrSectionExists(oid, collection, lang, uid))
|
---|
1825 | {
|
---|
1826 | return ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
|
---|
1827 | }
|
---|
1828 | return NO_ERROR;
|
---|
1829 | }
|
---|
1830 |
|
---|
1831 | protected static String generateOID()
|
---|
1832 | {
|
---|
1833 | return "temp";
|
---|
1834 | }
|
---|
1835 |
|
---|
1836 | public boolean copyDirectory(File src, File dest)
|
---|
1837 | {
|
---|
1838 | if (src.isDirectory())
|
---|
1839 | {
|
---|
1840 | //If the destination directory does not exist then create it
|
---|
1841 | if (!dest.exists())
|
---|
1842 | {
|
---|
1843 | dest.mkdir();
|
---|
1844 | }
|
---|
1845 |
|
---|
1846 | //Get all the files in the directory
|
---|
1847 | String files[] = src.list();
|
---|
1848 | for (String file : files)
|
---|
1849 | {
|
---|
1850 | File srcFile = new File(src, file);
|
---|
1851 | File destFile = new File(dest, file);
|
---|
1852 |
|
---|
1853 | if (!copyDirectory(srcFile, destFile))
|
---|
1854 | {
|
---|
1855 | return false;
|
---|
1856 | }
|
---|
1857 | }
|
---|
1858 | }
|
---|
1859 | else
|
---|
1860 | {
|
---|
1861 | try
|
---|
1862 | {
|
---|
1863 | FileChannel in = new FileInputStream(src).getChannel();
|
---|
1864 | FileChannel out = new FileOutputStream(dest).getChannel();
|
---|
1865 |
|
---|
1866 | in.transferTo(0, in.size(), out);
|
---|
1867 |
|
---|
1868 | in.close();
|
---|
1869 | out.close();
|
---|
1870 | }
|
---|
1871 | catch (Exception ex)
|
---|
1872 | {
|
---|
1873 | ex.printStackTrace();
|
---|
1874 | return false;
|
---|
1875 | }
|
---|
1876 | }
|
---|
1877 | return true;
|
---|
1878 | }
|
---|
1879 |
|
---|
1880 | public Element getTopLevelSectionElement(Document docXML)
|
---|
1881 | {
|
---|
1882 | return (Element) GSXML.getChildByTagName(docXML.getDocumentElement(), GSXML.DOCXML_SECTION_ELEM);
|
---|
1883 | }
|
---|
1884 |
|
---|
1885 | public boolean writeXMLFile(Document doc, String oid, String collection, String lang, String uid)
|
---|
1886 | {
|
---|
1887 | try
|
---|
1888 | {
|
---|
1889 | DOMSource source = new DOMSource(doc);
|
---|
1890 |
|
---|
1891 | String test = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
1892 | File xmlFile = new File(test);
|
---|
1893 | Result result = new StreamResult(xmlFile);
|
---|
1894 |
|
---|
1895 | Transformer transformer = TransformerFactory.newInstance().newTransformer();
|
---|
1896 | transformer.transform(source, result);
|
---|
1897 | }
|
---|
1898 | catch (Exception ex)
|
---|
1899 | {
|
---|
1900 | return false;
|
---|
1901 | }
|
---|
1902 | return true;
|
---|
1903 | }
|
---|
1904 |
|
---|
1905 | public Document getDocXML(String oid, String collection, String lang, String uid)
|
---|
1906 | {
|
---|
1907 | if (oid.contains("."))
|
---|
1908 | {
|
---|
1909 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1910 | }
|
---|
1911 |
|
---|
1912 | Document docXML = null;
|
---|
1913 | if ((docXML = _docCache.get(oid + "__" + collection)) == null)
|
---|
1914 | {
|
---|
1915 | String filePath = archiveGetDocumentFilePath(oid, collection, lang, uid);
|
---|
1916 | File docFile = new File(filePath);
|
---|
1917 |
|
---|
1918 | if (!docFile.exists())
|
---|
1919 | {
|
---|
1920 | return null;
|
---|
1921 | }
|
---|
1922 |
|
---|
1923 | try
|
---|
1924 | {
|
---|
1925 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
1926 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
1927 | docXML = db.parse(docFile);
|
---|
1928 |
|
---|
1929 | _docCache.put(oid + "__" + collection, docXML);
|
---|
1930 | }
|
---|
1931 | catch (Exception ex)
|
---|
1932 | {
|
---|
1933 | return null;
|
---|
1934 | }
|
---|
1935 | }
|
---|
1936 | return docXML;
|
---|
1937 | }
|
---|
1938 |
|
---|
1939 | public ArrayList<Element> getMetadataElementsFromSection(Document docXML, String oid, String metadataName)
|
---|
1940 | {
|
---|
1941 | if (oid.contains("."))
|
---|
1942 | {
|
---|
1943 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1944 | return getMetadataElementsFromSection(section, metadataName);
|
---|
1945 | }
|
---|
1946 | else
|
---|
1947 | {
|
---|
1948 | return getMetadataElementsFromSection(getTopLevelSectionElement(docXML), metadataName);
|
---|
1949 | }
|
---|
1950 | }
|
---|
1951 |
|
---|
1952 | public ArrayList<Element> getMetadataElementsFromSection(Element section, String metadataName)
|
---|
1953 | {
|
---|
1954 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
1955 | if (description == null)
|
---|
1956 | {
|
---|
1957 | return null;
|
---|
1958 | }
|
---|
1959 |
|
---|
1960 | ArrayList<Element> elemList = new ArrayList<Element>();
|
---|
1961 | NodeList metadataNodes = GSXML.getChildrenByTagName(description, GSXML.DOCXML_METADATA_ELEM);
|
---|
1962 | for (int j = 0; j < metadataNodes.getLength(); j++)
|
---|
1963 | {
|
---|
1964 | //If this is a metadata element with the requested name then we have found what we are looking for
|
---|
1965 | if (((Element) metadataNodes.item(j)).getAttribute(GSXML.NAME_ATT).equals(metadataName))
|
---|
1966 | {
|
---|
1967 | elemList.add((Element) metadataNodes.item(j));
|
---|
1968 | }
|
---|
1969 | }
|
---|
1970 |
|
---|
1971 | return elemList;
|
---|
1972 | }
|
---|
1973 |
|
---|
1974 | public Element getSectionBySectionNumber(Document docXML, String sectionNum)
|
---|
1975 | {
|
---|
1976 | return getSectionBySectionNumber(getTopLevelSectionElement(docXML), sectionNum);
|
---|
1977 | }
|
---|
1978 |
|
---|
1979 | public Element getSectionBySectionNumber(Element current, String sectionNum)
|
---|
1980 | {
|
---|
1981 | if (sectionNum == null || sectionNum.equals(""))
|
---|
1982 | {
|
---|
1983 | return current;
|
---|
1984 | }
|
---|
1985 |
|
---|
1986 | try
|
---|
1987 | {
|
---|
1988 | String[] levels = sectionNum.split("\\.");
|
---|
1989 | int currentSectionNum = Integer.parseInt(levels[0]);
|
---|
1990 |
|
---|
1991 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1992 | if (levels.length > 1)
|
---|
1993 | {
|
---|
1994 | return getSectionBySectionNumber((Element) sections.item(currentSectionNum - 1), sectionNum.substring(sectionNum.indexOf(".") + 1));
|
---|
1995 | }
|
---|
1996 | else
|
---|
1997 | {
|
---|
1998 | return (Element) sections.item(currentSectionNum - 1);
|
---|
1999 | }
|
---|
2000 | }
|
---|
2001 | catch (Exception ex)
|
---|
2002 | {
|
---|
2003 | return null;
|
---|
2004 | }
|
---|
2005 | }
|
---|
2006 |
|
---|
2007 | public String getDatabaseTypeFromCollection(String collection, String lang, String uid)
|
---|
2008 | {
|
---|
2009 | //Find out what kind of database we have
|
---|
2010 | Element dbTypeMessage = _mainDoc.createElement(GSXML.MESSAGE_ELEM);
|
---|
2011 | Element dbTypeRequest = GSXML.createBasicRequest(_mainDoc, GSXML.REQUEST_TYPE_DESCRIBE, collection, lang, uid);
|
---|
2012 | dbTypeMessage.appendChild(dbTypeRequest);
|
---|
2013 | Element dbTypeResponse = (Element) _router.process(dbTypeMessage);
|
---|
2014 |
|
---|
2015 | String path = GSPath.appendLink(GSXML.RESPONSE_ELEM, GSXML.COLLECTION_ELEM);
|
---|
2016 | Element collectionElem = (Element) GSXML.getNodeByPath(dbTypeResponse, path);
|
---|
2017 |
|
---|
2018 | if (collectionElem != null)
|
---|
2019 | {
|
---|
2020 | return collectionElem.getAttribute(GSXML.DB_TYPE_ATT);
|
---|
2021 | }
|
---|
2022 | return "gdbm"; //The default collection database type
|
---|
2023 | }
|
---|
2024 |
|
---|
2025 | public SimpleCollectionDatabase openDatabase(String collection, String dbName, int readWrite, String lang, String uid)
|
---|
2026 | {
|
---|
2027 | //Find out what kind of database we have
|
---|
2028 | String databaseType = getDatabaseTypeFromCollection(collection, lang, uid);
|
---|
2029 | String dbExt = DBHelper.getDBExtFromDBType(databaseType);
|
---|
2030 |
|
---|
2031 | SimpleCollectionDatabase coll_db = new SimpleCollectionDatabase(databaseType);
|
---|
2032 | if (!coll_db.databaseOK())
|
---|
2033 | {
|
---|
2034 | System.err.println("Couldn't create the collection database of type " + databaseType);
|
---|
2035 | return null;
|
---|
2036 | }
|
---|
2037 |
|
---|
2038 | coll_db.openDatabase(GSFile.collectionArchiveDir(_siteHome, collection) + File.separatorChar + dbName + dbExt, readWrite);
|
---|
2039 |
|
---|
2040 | return coll_db;
|
---|
2041 | }
|
---|
2042 |
|
---|
2043 | public int operationStringToInt(String operation)
|
---|
2044 | {
|
---|
2045 | if (operation.equals("insertBefore"))
|
---|
2046 | {
|
---|
2047 | return OPERATION_INSERT_BEFORE;
|
---|
2048 | }
|
---|
2049 | else if (operation.equals("insertAfter"))
|
---|
2050 | {
|
---|
2051 | return OPERATION_INSERT_AFTER;
|
---|
2052 | }
|
---|
2053 | else if (operation.equals("append"))
|
---|
2054 | {
|
---|
2055 | return OPERATION_APPEND;
|
---|
2056 | }
|
---|
2057 | else
|
---|
2058 | {
|
---|
2059 | return OPERATION_REPLACE;
|
---|
2060 | }
|
---|
2061 | }
|
---|
2062 |
|
---|
2063 | public int getErrorStatus()
|
---|
2064 | {
|
---|
2065 | return _errorStatus;
|
---|
2066 | }
|
---|
2067 | } |
---|