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 MessageRouter _router;
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105 | protected HashMap<String, Document> _docCache = new HashMap<String, Document>();
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106 |
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107 | public GSDocumentModel(String siteHome, MessageRouter router)
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108 | {
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109 | _siteHome = siteHome;
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110 | _router = router;
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111 | }
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112 |
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113 | /**
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114 | * Can be used to create a document or create a section of a document
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115 | *
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116 | * @param oid
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117 | * is the identifier of the document/section to create.
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118 | * @param collection
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119 | * is the collection we want to create the document/section in.
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120 | */
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121 | public void documentCreate(String oid, String collection, UserContext userContext)
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122 | {
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123 | _errorStatus = NO_ERROR;
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124 | //If the collection is not specified then we cannot continue
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125 | if (collection == null || collection.equals(""))
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126 | {
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127 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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128 | return;
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129 | }
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130 |
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131 | //If the collection is not specified then we cannot continue
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132 | if (oid == null || oid.equals(""))
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133 | {
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134 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
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135 | return;
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136 | }
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137 |
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138 | if (archiveCheckDocumentOrSectionExists(oid, collection, userContext))
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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 | //Create a basic doc.xml file to go in the new folder
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154 | documentXMLCreateDocXML(oid, collection, userContext);
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155 | }
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156 | else
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157 | {
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158 | documentXMLCreateSection(oid, collection, userContext);
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159 | }
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160 | }
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161 |
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162 | /**
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163 | * Can be used to delete a document or section
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164 | *
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165 | * @param oid
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166 | * is the identifier of the document/section to delete.
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167 | * @param collection
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168 | * is the collection to delete the document/section from.
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169 | */
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170 | public void documentDelete(String oid, String collection, UserContext userContext)
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171 | {
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172 | _errorStatus = NO_ERROR;
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173 | if (oid == null || oid.equals(""))
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174 | {
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175 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
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176 | return;
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177 | }
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178 | else if (collection == null || collection.equals(""))
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179 | {
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180 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
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181 | return;
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182 | }
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183 |
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184 | if (!archiveCheckDocumentOrSectionExists(oid, collection, userContext))
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185 | {
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186 | _errorStatus = ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
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187 | return;
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188 | }
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189 |
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190 | //Check if the OID is the OID for a section
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191 | boolean section = false;
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192 | if (oid.contains("."))
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193 | {
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194 | section = true;
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195 | }
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196 |
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197 | if (!section)
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198 | {
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199 | String archivesFile = archiveGetDocumentFilePath(oid, collection, userContext);
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200 | String archivesFolder = archivesFile.substring(0, archivesFile.lastIndexOf(File.separator));
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201 | File dirToDelete = new File(archivesFolder);
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202 |
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203 | if (!dirToDelete.exists() || !dirToDelete.isDirectory() || !deleteDirectory(dirToDelete))
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204 | {
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205 | _errorStatus = ERROR_COULD_NOT_DELETE;
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206 | return;
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207 | }
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208 |
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209 | //Remove the entry from the archive database
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210 | archiveRemoveEntryFromDatabase(oid, collection, userContext);
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211 | }
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212 | else
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213 | {
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214 | documentXMLDeleteSection(oid, collection, userContext);
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215 | }
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216 | }
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217 |
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218 | /**
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219 | * Can be used to copy a document or section from one place to another.
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220 | *
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221 | * @param oid
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222 | * is the identifier of the document/section that is to be
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223 | * copied.
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224 | * @param collection
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225 | * is the collection the source document resides in.
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226 | * @param newOID
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227 | * is the new identifier for the document/section (it cannot
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228 | * already exist).
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229 | * @param newCollection
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230 | * is the collection the new document/section will be copied to.
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231 | * If this is null then the collection parameter will be used
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232 | * instead.
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233 | */
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234 | public void documentMoveOrDuplicate(String oid, String collection, String newOID, String newCollection, int operation, boolean move, UserContext userContext)
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235 | {
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236 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
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237 | {
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238 | return;
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239 | }
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240 |
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241 | //If a new collection is not specified then assume the collection of the original document
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242 | if (newCollection == null || newCollection.equals(""))
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243 | {
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244 | newCollection = collection;
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245 | }
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246 |
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247 | //Generate an OID for the duplicate if we are not given one
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248 | if (newOID == null || newOID.equals(""))
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249 | {
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250 | _errorStatus = ERROR_DESTINATION_OID_NOT_SPECIFIED;
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251 | return;
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252 | }
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253 |
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254 | boolean requiresDatabaseEntry = false;
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255 | int operationType = getOperation(oid, newOID);
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256 | switch (operationType)
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257 | {
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258 | case OPERATION_TYPE_DOC_TO_DOC:
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259 | {
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260 | String archiveDir = archiveGetDocumentFilePath(oid, collection, userContext);
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261 | if (_errorStatus != NO_ERROR)
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262 | {
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263 | return;
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264 | }
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265 |
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266 | //Remove doc.xml from the file name
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267 | archiveDir = archiveDir.substring(0, archiveDir.lastIndexOf(File.separator));
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268 | File dirToDuplicate = new File(archiveDir);
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269 |
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270 | //This is possibly not the best way to name the new directory
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271 | File newDir = new File(archiveDir.substring(0, archiveDir.lastIndexOf(File.separator) + File.separator.length()) + newOID);
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272 |
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273 | if (dirToDuplicate.exists() && dirToDuplicate.isDirectory() && !newDir.exists())
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274 | {
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275 | if (!copyDirectory(dirToDuplicate, newDir))
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276 | {
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277 | _errorStatus = ERROR_COULD_NOT_DUPLICATE;
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278 | return;
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279 | }
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280 | }
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281 | else
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282 | {
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283 | _errorStatus = ERROR_COULD_NOT_DUPLICATE;
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284 | return;
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285 | }
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286 |
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287 | if (move)
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288 | {
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289 | deleteDirectory(dirToDuplicate);
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290 | }
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291 |
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292 | requiresDatabaseEntry = true;
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293 | break;
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294 | }
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295 | case OPERATION_TYPE_DOC_TO_SEC:
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296 | {
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297 | Document originalDocument = getDocXML(oid, collection, userContext);
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298 | Element originalSection = getTopLevelSectionElement(originalDocument);
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299 |
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300 | documentXMLCreateSection(newOID, newCollection, userContext);
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301 | if (_errorStatus != NO_ERROR)
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302 | {
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303 | return;
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304 | }
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305 |
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306 | documentXMLSetSection(newOID, newCollection, originalSection, operation, userContext);
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307 |
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308 | if (move)
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309 | {
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310 | String archiveDirStr = archiveGetDocumentFilePath(oid, collection, userContext);
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311 | if (_errorStatus != NO_ERROR)
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312 | {
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313 | return;
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314 | }
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315 |
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316 | File archiveDir = new File(archiveDirStr);
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317 |
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318 | if (archiveDir.exists() && archiveDir.isDirectory())
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319 | {
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320 | deleteDirectory(archiveDir);
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321 | }
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322 | }
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323 | break;
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324 | }
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325 | case OPERATION_TYPE_SEC_TO_DOC:
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326 | {
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327 | Document originalDocument = getDocXML(oid, collection, userContext);
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328 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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329 |
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330 | documentCreate(newOID, newCollection, userContext);
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331 | if (_errorStatus != NO_ERROR)
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332 | {
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333 | return;
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334 | }
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335 |
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336 | documentXMLCreateSection(newOID, newCollection, userContext);
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337 | if (_errorStatus != NO_ERROR)
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338 | {
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339 | return;
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340 | }
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341 |
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342 | documentXMLSetSection(newOID, newCollection, originalSection, operation, userContext);
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343 |
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344 | if (move)
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345 | {
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346 | originalDocument = getDocXML(oid, collection, userContext);
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347 | originalSection.getParentNode().removeChild(originalSection);
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348 |
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349 | //Write the new change back into the file
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350 | if (!writeXMLFile(originalDocument, oid, collection, userContext))
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351 | {
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352 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
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353 | return;
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354 | }
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355 | }
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356 |
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357 | requiresDatabaseEntry = true;
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358 | break;
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359 | }
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360 | case OPERATION_TYPE_SEC_TO_SEC:
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361 | {
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362 | Document originalDocument = getDocXML(oid, collection, userContext);
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363 | Element originalSection = getSectionBySectionNumber(originalDocument, getSectionFromOID(oid));
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364 |
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365 | if (operation == OPERATION_REPLACE)
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366 | {
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367 | documentXMLCreateSection(newOID, newCollection, userContext);
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368 | if (_errorStatus != NO_ERROR)
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369 | {
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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 | documentXMLSetSection(newOID, newCollection, originalSection, operation, userContext);
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375 | if (_errorStatus != NO_ERROR)
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376 | {
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377 | return;
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378 | }
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379 |
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380 | if (move)
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381 | {
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382 | originalDocument = getDocXML(oid, collection, userContext);
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383 | originalSection.getParentNode().removeChild(originalSection);
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384 |
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385 | //Write the new change back into the file
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386 | if (!writeXMLFile(originalDocument, oid, collection, userContext))
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387 | {
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388 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
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389 | return;
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390 | }
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391 | }
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392 |
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393 | break;
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394 | }
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395 | }
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396 |
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397 | if (requiresDatabaseEntry)
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398 | {
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399 | HashMap<String, ArrayList<String>> entries = new HashMap<String, ArrayList<String>>();
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400 | ArrayList<String> values = new ArrayList<String>();
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401 | values.add(newOID + "/doc.xml");
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402 | entries.put("doc-file", values);
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403 |
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404 | //Write the new entry to the archive database
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405 | archiveWriteEntryToDatabase(newOID, newCollection, entries, userContext);
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406 | }
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407 | }
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408 |
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409 | /**
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410 | * Can be used to acquire information about a given document or section.
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411 | *
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412 | * @param oid
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413 | * is the identifier of the document or section.
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414 | * @param collection
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415 | * is the collection the document or section resides in.
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416 | * @param requestedInfo
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417 | * is an array containing the various requests.
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418 | * @return This returns an array containing the requested information.
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419 | */
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420 | public String[] documentGetInformation(String oid, String collection, String[] requestedInfo, UserContext userContext)
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421 | {
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422 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
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423 | {
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424 | return null;
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425 | }
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426 |
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427 | for (int j = 0; j < requestedInfo.length; j++)
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428 | {
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429 | String currentRequest = requestedInfo[j];
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430 | //TODO: Decide what info requests are valid (e.g. number of sections etc.)
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431 | //-How many child/sibling sections
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432 | //-Metadata keys
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433 | }
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434 | //TODO: Implement
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435 | return null;
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436 | }
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437 |
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438 | /**
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439 | * Can be used to merge two parts of a document together. The sections must
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440 | * be in the same document at the same level (e.g. D11.1.2 and D11.1.3) or a
|
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441 | * section and it's parent (e.g. D11.1.2 and D11.1). Also, the destination
|
---|
442 | * section cannot have any child sections.
|
---|
443 | *
|
---|
444 | * @param oid
|
---|
445 | * the identifier of the section that is to be merged.
|
---|
446 | * @param collection
|
---|
447 | * the collection the section resides in.
|
---|
448 | * @param mergeOID
|
---|
449 | * the identifier of the section that the source section will be
|
---|
450 | * merged into.
|
---|
451 | */
|
---|
452 | public void documentMerge(String oid, String collection, String mergeOID, UserContext userContext)
|
---|
453 | {
|
---|
454 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
455 | {
|
---|
456 | return;
|
---|
457 | }
|
---|
458 |
|
---|
459 | if ((_errorStatus = checkOIDandCollection(mergeOID, collection, userContext)) != NO_ERROR)
|
---|
460 | {
|
---|
461 | return;
|
---|
462 | }
|
---|
463 |
|
---|
464 | int op = getOperation(oid, mergeOID);
|
---|
465 | 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)
|
---|
466 | {
|
---|
467 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
468 | return;
|
---|
469 | }
|
---|
470 |
|
---|
471 | String[] sourceLevels = oid.split("\\.");
|
---|
472 | String[] destinationLevels = mergeOID.split("\\.");
|
---|
473 |
|
---|
474 | if (destinationLevels.length > sourceLevels.length)
|
---|
475 | {
|
---|
476 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
477 | return;
|
---|
478 | }
|
---|
479 |
|
---|
480 | for (int i = 0; i < sourceLevels.length - 1; i++)
|
---|
481 | {
|
---|
482 | if (i >= destinationLevels.length || !sourceLevels[i].equals(destinationLevels[i]))
|
---|
483 | {
|
---|
484 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
485 | return;
|
---|
486 | }
|
---|
487 | }
|
---|
488 |
|
---|
489 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
490 | if (docXML == null)
|
---|
491 | {
|
---|
492 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
493 | return;
|
---|
494 | }
|
---|
495 |
|
---|
496 | Element sourceSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
497 | Element destinationSection = getSectionBySectionNumber(docXML, getSectionFromOID(mergeOID));
|
---|
498 |
|
---|
499 | //Make sure the destination Section does not have any child Sections.
|
---|
500 | NodeList childSections = GSXML.getChildrenByTagName(destinationSection, GSXML.DOCXML_SECTION_ELEM);
|
---|
501 | if (childSections.getLength() != 0 && sourceLevels.length == destinationLevels.length)
|
---|
502 | {
|
---|
503 | _errorStatus = ERROR_INVALID_MERGE;
|
---|
504 | return;
|
---|
505 | }
|
---|
506 |
|
---|
507 | //Get the children of the destination section so we can copy them to the source section before we overwrite the destination
|
---|
508 | NodeList childrenToKeep = destinationSection.getChildNodes();
|
---|
509 | ArrayList<Node> childList = new ArrayList<Node>();
|
---|
510 | for (int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
511 | {
|
---|
512 | //Need to put these in a list to make them easier to loop through as using a NodeList is messy
|
---|
513 | childList.add(childrenToKeep.item(i));
|
---|
514 | }
|
---|
515 |
|
---|
516 | //for(int i = 0; i < childrenToKeep.getLength(); i++)
|
---|
517 | for (int i = 0; i < childList.size(); i++)
|
---|
518 | {
|
---|
519 | Node currentChild = childList.get(i);
|
---|
520 | //If the child is not a <Content> node then add it to source section
|
---|
521 | if (!currentChild.getNodeName().equals(GSXML.DOCXML_CONTENT_ELEM))
|
---|
522 | {
|
---|
523 | sourceSection.appendChild(currentChild);
|
---|
524 | continue;
|
---|
525 | }
|
---|
526 |
|
---|
527 | //Get the destination Section's Content node's text node, if it's empty then we don't need to worry about appending it
|
---|
528 | Node destinationTextNode = currentChild.getFirstChild();
|
---|
529 | if (destinationTextNode == null || destinationTextNode.getNodeValue() == null || destinationTextNode.getNodeValue().equals(""))
|
---|
530 | {
|
---|
531 | continue;
|
---|
532 | }
|
---|
533 |
|
---|
534 | //If the source Section does not have a content then directly append the destination content
|
---|
535 | Element sourceContent = (Element) GSXML.getChildByTagName(sourceSection, GSXML.DOCXML_CONTENT_ELEM);
|
---|
536 | if (sourceContent == null)
|
---|
537 | {
|
---|
538 | sourceSection.appendChild(currentChild);
|
---|
539 | continue;
|
---|
540 | }
|
---|
541 |
|
---|
542 | //If the source Section's Content is empty then again we can directly append the destination content
|
---|
543 | Node sourceTextNode = sourceContent.getFirstChild();
|
---|
544 | if (sourceTextNode == null || sourceTextNode.getNodeValue() == null || sourceTextNode.getNodeValue().equals(""))
|
---|
545 | {
|
---|
546 | sourceSection.appendChild(currentChild);
|
---|
547 | continue;
|
---|
548 | }
|
---|
549 |
|
---|
550 | //Otherwise, set the new content to be destination + source text in that order.
|
---|
551 | sourceTextNode.setNodeValue(destinationTextNode.getNodeValue() + " " + sourceTextNode.getNodeValue());
|
---|
552 | }
|
---|
553 |
|
---|
554 | documentXMLSetSection(mergeOID, collection, sourceSection, OPERATION_REPLACE, userContext);
|
---|
555 | if (_errorStatus != NO_ERROR)
|
---|
556 | {
|
---|
557 | return;
|
---|
558 | }
|
---|
559 |
|
---|
560 | documentXMLDeleteSection(oid, collection, userContext);
|
---|
561 | }
|
---|
562 |
|
---|
563 | /**
|
---|
564 | * Can be used to split a section into two sections (e.g. D11.2.1 will
|
---|
565 | * become D11.2.1 and D11.2.2). Any child section will belong to the second
|
---|
566 | * section (D11.2.2 in the example).
|
---|
567 | *
|
---|
568 | * @param oid
|
---|
569 | * is the identifer of the section to be split.
|
---|
570 | * @param collection
|
---|
571 | * is the collection the section resides in.
|
---|
572 | * @param splitPoint
|
---|
573 | * is the point in the text we want to split at.
|
---|
574 | */
|
---|
575 | public void documentSplit(String oid, String collection, int splitPoint, UserContext userContext)
|
---|
576 | {
|
---|
577 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
578 | {
|
---|
579 | return;
|
---|
580 | }
|
---|
581 |
|
---|
582 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
583 | if (docXML == null)
|
---|
584 | {
|
---|
585 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
586 | return;
|
---|
587 | }
|
---|
588 |
|
---|
589 | Element sectionToSplit = null;
|
---|
590 | if (!oid.contains("."))
|
---|
591 | {
|
---|
592 | sectionToSplit = getTopLevelSectionElement(docXML);
|
---|
593 | }
|
---|
594 | else
|
---|
595 | {
|
---|
596 | sectionToSplit = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
597 | }
|
---|
598 |
|
---|
599 | Element content = (Element) GSXML.getChildByTagName(sectionToSplit, GSXML.DOCXML_CONTENT_ELEM);
|
---|
600 | if (content == null)
|
---|
601 | {
|
---|
602 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
603 | return;
|
---|
604 | }
|
---|
605 |
|
---|
606 | Node textNode = content.getFirstChild();
|
---|
607 | if (textNode == null)
|
---|
608 | {
|
---|
609 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
610 | return;
|
---|
611 | }
|
---|
612 |
|
---|
613 | String text = textNode.getNodeValue();
|
---|
614 | if (splitPoint > text.length() - 2 || splitPoint < 1) //-1 would be the index of the last character, so the last valid split point is -2
|
---|
615 | {
|
---|
616 | _errorStatus = ERROR_INVALID_SPLIT;
|
---|
617 | return;
|
---|
618 | }
|
---|
619 |
|
---|
620 | String firstPart = text.substring(0, splitPoint);
|
---|
621 | String secondPart = text.substring(splitPoint);
|
---|
622 |
|
---|
623 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
624 | Element newContent = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
625 | Node newTextNode = docXML.createTextNode(firstPart);
|
---|
626 | newContent.appendChild(newTextNode);
|
---|
627 | newSection.appendChild(newContent);
|
---|
628 |
|
---|
629 | documentXMLSetSection(oid, collection, newSection, OPERATION_INSERT_BEFORE, userContext);
|
---|
630 | if (_errorStatus != NO_ERROR)
|
---|
631 | {
|
---|
632 | return;
|
---|
633 | }
|
---|
634 | textNode.setNodeValue(secondPart);
|
---|
635 |
|
---|
636 | //Write the new change back into the file
|
---|
637 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
638 | {
|
---|
639 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
640 | }
|
---|
641 | }
|
---|
642 |
|
---|
643 | /**
|
---|
644 | * Creates a basic doc.xml file with minimal contents.
|
---|
645 | *
|
---|
646 | * @param oid
|
---|
647 | * is the identifier of the document to be created.
|
---|
648 | * @param collection
|
---|
649 | * is the collection the new document will reside in.
|
---|
650 | */
|
---|
651 | public void documentXMLCreateDocXML(String oid, String collection, UserContext userContext)
|
---|
652 | {
|
---|
653 | _errorStatus = NO_ERROR;
|
---|
654 | try
|
---|
655 | {
|
---|
656 | String s = File.separator;
|
---|
657 |
|
---|
658 | String docFolderPath = _siteHome + s + "collect" + s + collection + s + "import" + s + oid;
|
---|
659 | File docFolder = new File(docFolderPath);
|
---|
660 |
|
---|
661 | if (!docFolder.exists())
|
---|
662 | {
|
---|
663 | if (!docFolder.mkdirs())
|
---|
664 | {
|
---|
665 | _errorStatus = ERROR_DOC_XML_COULD_NOT_BE_CREATED;
|
---|
666 | return;
|
---|
667 | }
|
---|
668 | }
|
---|
669 |
|
---|
670 | File docFile = new File(docFolderPath + s + "doc.xml");
|
---|
671 | if (!docFile.exists() && !docFile.createNewFile())
|
---|
672 | {
|
---|
673 | _errorStatus = ERROR_DOC_XML_COULD_NOT_BE_CREATED;
|
---|
674 | return;
|
---|
675 | }
|
---|
676 |
|
---|
677 | BufferedWriter bw = new BufferedWriter(new FileWriter(docFile));
|
---|
678 | bw.write("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n");
|
---|
679 | bw.write("<!DOCTYPE Archive SYSTEM \"http://greenstone.org/dtd/Archive/1.0/Archive.dtd\">\n");
|
---|
680 | bw.write("<Archive>\n");
|
---|
681 | bw.write(" <Section>\n");
|
---|
682 | bw.write(" <Description>\n");
|
---|
683 | bw.write(" <Metadata name=\"Identifier\">" + oid + "</Metadata>\n");
|
---|
684 | bw.write(" <Metadata name=\"dc.Title\">UNTITLED DOCUMENT</Metadata>\n");
|
---|
685 | bw.write(" </Description>\n");
|
---|
686 | bw.write(" <Content>\n");
|
---|
687 | bw.write(" </Content>\n");
|
---|
688 | bw.write(" </Section>\n");
|
---|
689 | bw.write("</Archive>\n");
|
---|
690 | bw.close();
|
---|
691 |
|
---|
692 | Document docXML = null;
|
---|
693 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
694 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
695 | docXML = db.parse(docFile);
|
---|
696 |
|
---|
697 | _docCache.put(oid + "__" + collection, docXML);
|
---|
698 | }
|
---|
699 | catch (Exception ex)
|
---|
700 | {
|
---|
701 | ex.printStackTrace();
|
---|
702 | _errorStatus = ERROR_EXCEPTION_CREATING_DOC_XML_FILE;
|
---|
703 | return;
|
---|
704 | }
|
---|
705 | }
|
---|
706 |
|
---|
707 | /**
|
---|
708 | * Gets a metadata value from a document or section.
|
---|
709 | *
|
---|
710 | * @param oid
|
---|
711 | * is the identifier of the section or document to get metadata
|
---|
712 | * from.
|
---|
713 | * @param collection
|
---|
714 | * is the collection the section or document resides in.
|
---|
715 | * @param metadataName
|
---|
716 | * is the name of metadata to retrieve
|
---|
717 | * @return an array of metadata elements containing the resquested metadata
|
---|
718 | */
|
---|
719 | public ArrayList<Element> documentXMLGetMetadata(String oid, String collection, String metadataName, UserContext userContext)
|
---|
720 | {
|
---|
721 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
722 | {
|
---|
723 | return null;
|
---|
724 | }
|
---|
725 | else if (metadataName == null || metadataName.equals(""))
|
---|
726 | {
|
---|
727 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
728 | return null;
|
---|
729 | }
|
---|
730 |
|
---|
731 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
732 | if (docXML == null)
|
---|
733 | {
|
---|
734 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
735 | return null;
|
---|
736 | }
|
---|
737 |
|
---|
738 | return getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
739 | }
|
---|
740 |
|
---|
741 | /**
|
---|
742 | *
|
---|
743 | * @param oid
|
---|
744 | * is the identifier of the document or section that is to have
|
---|
745 | * it's metadata set.
|
---|
746 | * @param collection
|
---|
747 | * is the collection the document/section resides in.
|
---|
748 | * @param metadataName
|
---|
749 | * is the name of the metadata value that is to be set.
|
---|
750 | * @param newMetadataValue
|
---|
751 | * is the new value of the metadata.
|
---|
752 | * @param position
|
---|
753 | * specifies the position of the value to set.
|
---|
754 | * @param operation
|
---|
755 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
756 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
757 | */
|
---|
758 | public void documentXMLSetMetadata(String oid, String collection, String metadataName, String newMetadataValue, int position, int operation, UserContext userContext)
|
---|
759 | {
|
---|
760 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
761 | {
|
---|
762 | return;
|
---|
763 | }
|
---|
764 | else if (metadataName == null || metadataName.equals(""))
|
---|
765 | {
|
---|
766 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
767 | return;
|
---|
768 | }
|
---|
769 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
770 | {
|
---|
771 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
772 | return;
|
---|
773 | }
|
---|
774 |
|
---|
775 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
776 | if (docXML == null)
|
---|
777 | {
|
---|
778 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
779 | return;
|
---|
780 | }
|
---|
781 |
|
---|
782 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
783 |
|
---|
784 | if (operation != OPERATION_APPEND && metadataElems.get(position) == null)
|
---|
785 | {
|
---|
786 | _errorStatus = ERROR_INVALID_METADATA_POSITION;
|
---|
787 | return;
|
---|
788 | }
|
---|
789 |
|
---|
790 | if (operation == OPERATION_REPLACE)
|
---|
791 | {
|
---|
792 | metadataElems.get(position).setNodeValue(newMetadataValue);
|
---|
793 | }
|
---|
794 | else if (operation == OPERATION_INSERT_BEFORE)
|
---|
795 | {
|
---|
796 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
797 | Element existingMetadata = metadataElems.get(position);
|
---|
798 |
|
---|
799 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
800 | }
|
---|
801 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
802 | {
|
---|
803 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
804 | Element existingMetadata = metadataElems.get(position + 1);
|
---|
805 |
|
---|
806 | if (existingMetadata != null)
|
---|
807 | {
|
---|
808 | existingMetadata.getParentNode().insertBefore(newMetadata, existingMetadata);
|
---|
809 | }
|
---|
810 | else
|
---|
811 | {
|
---|
812 | existingMetadata = metadataElems.get(position);
|
---|
813 | existingMetadata.getParentNode().appendChild(newMetadata);
|
---|
814 | }
|
---|
815 | }
|
---|
816 | else
|
---|
817 | {
|
---|
818 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
819 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
820 | if (description == null)
|
---|
821 | {
|
---|
822 | description = docXML.createElement(GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
823 | section.appendChild(description);
|
---|
824 | }
|
---|
825 | Element newMetadata = createElementWithValue(docXML, GSXML.DOCXML_METADATA_ELEM, metadataName, newMetadataValue);
|
---|
826 | description.appendChild(newMetadata);
|
---|
827 | }
|
---|
828 |
|
---|
829 | //Write the new change back into the file
|
---|
830 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
831 | {
|
---|
832 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
833 | }
|
---|
834 | }
|
---|
835 |
|
---|
836 | /**
|
---|
837 | * Can be used to delete metadata at a specific position in a document or
|
---|
838 | * section (such as the third author of a document).
|
---|
839 | *
|
---|
840 | * @param oid
|
---|
841 | * is the identifier of the document/section to delete metadata
|
---|
842 | * from.
|
---|
843 | * @param collection
|
---|
844 | * is the collection the document resides in.
|
---|
845 | * @param metadataName
|
---|
846 | * is the name of the metadata that is to have an item deleted.
|
---|
847 | * @param position
|
---|
848 | * is position of the item that is to be deleted.
|
---|
849 | */
|
---|
850 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, int position, UserContext userContext)
|
---|
851 | {
|
---|
852 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
853 | {
|
---|
854 | return;
|
---|
855 | }
|
---|
856 | else if (metadataName == null || metadataName.equals(""))
|
---|
857 | {
|
---|
858 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
859 | return;
|
---|
860 | }
|
---|
861 |
|
---|
862 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
863 | if (docXML == null)
|
---|
864 | {
|
---|
865 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
866 | return;
|
---|
867 | }
|
---|
868 |
|
---|
869 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
870 |
|
---|
871 | if (metadataElems.get(position) != null)
|
---|
872 | {
|
---|
873 | metadataElems.get(position).getParentNode().removeChild(metadataElems.get(position));
|
---|
874 | }
|
---|
875 | }
|
---|
876 |
|
---|
877 | /**
|
---|
878 | * Can be used to delete all the metadata with a specific name from a
|
---|
879 | * document or section (e.g. all of the authors).
|
---|
880 | *
|
---|
881 | * @param oid
|
---|
882 | * is the identifier of the document or section to delete the
|
---|
883 | * metadata from.
|
---|
884 | * @param collection
|
---|
885 | * is the collection the document resides in.
|
---|
886 | * @param metadataName
|
---|
887 | * is the name of the metadata to delete.
|
---|
888 | */
|
---|
889 | public void documentXMLDeleteMetadata(String oid, String collection, String metadataName, UserContext userContext)
|
---|
890 | {
|
---|
891 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
892 | {
|
---|
893 | return;
|
---|
894 | }
|
---|
895 | else if (metadataName == null || metadataName.equals(""))
|
---|
896 | {
|
---|
897 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
898 | return;
|
---|
899 | }
|
---|
900 |
|
---|
901 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
902 | if (docXML == null)
|
---|
903 | {
|
---|
904 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
905 | return;
|
---|
906 | }
|
---|
907 |
|
---|
908 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
909 |
|
---|
910 | for (Element elem : metadataElems)
|
---|
911 | {
|
---|
912 | elem.getParentNode().removeChild(elem);
|
---|
913 | }
|
---|
914 | }
|
---|
915 |
|
---|
916 | /**
|
---|
917 | * Can be used to replace a specific metadata item of a given name, given
|
---|
918 | * it's value.
|
---|
919 | *
|
---|
920 | * @param oid
|
---|
921 | * is the document/section of the metadata that is to be
|
---|
922 | * replaced.
|
---|
923 | * @param collection
|
---|
924 | * is the collection the document resides in.
|
---|
925 | * @param metadataName
|
---|
926 | * is the name of the metadata to be replaced.
|
---|
927 | * @param oldMetadataValue
|
---|
928 | * is the old value of the metadata (the value that will be
|
---|
929 | * replaced).
|
---|
930 | * @param newMetadataValue
|
---|
931 | * is the new value of the metadata that will replace the old
|
---|
932 | * value.
|
---|
933 | */
|
---|
934 | public void documentXMLReplaceMetadata(String oid, String collection, String metadataName, String oldMetadataValue, String newMetadataValue, UserContext userContext)
|
---|
935 | {
|
---|
936 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
937 | {
|
---|
938 | return;
|
---|
939 | }
|
---|
940 | else if (metadataName == null || metadataName.equals(""))
|
---|
941 | {
|
---|
942 | _errorStatus = ERROR_METADATA_NAME_NOT_SPECIFIED;
|
---|
943 | return;
|
---|
944 | }
|
---|
945 | else if (newMetadataValue == null || newMetadataValue.equals(""))
|
---|
946 | {
|
---|
947 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
948 | return;
|
---|
949 | }
|
---|
950 | else if (oldMetadataValue == null || oldMetadataValue.equals(""))
|
---|
951 | {
|
---|
952 | _errorStatus = ERROR_METADATA_VALUE_NOT_SPECIFIED;
|
---|
953 | return;
|
---|
954 | }
|
---|
955 |
|
---|
956 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
957 | if (docXML == null)
|
---|
958 | {
|
---|
959 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
960 | return;
|
---|
961 | }
|
---|
962 |
|
---|
963 | ArrayList<Element> metadataElems = getMetadataElementsFromSection(docXML, oid, metadataName);
|
---|
964 |
|
---|
965 | for (Element elem : metadataElems)
|
---|
966 | {
|
---|
967 | Node textNode = elem.getFirstChild();
|
---|
968 |
|
---|
969 | if (textNode != null && textNode.getNodeValue().equals(oldMetadataValue))
|
---|
970 | {
|
---|
971 | textNode.setNodeValue(newMetadataValue);
|
---|
972 | }
|
---|
973 | }
|
---|
974 |
|
---|
975 | //Write the new change back into the file
|
---|
976 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
977 | {
|
---|
978 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
979 | }
|
---|
980 | }
|
---|
981 |
|
---|
982 | /**
|
---|
983 | * Can be used to create a blank section.
|
---|
984 | *
|
---|
985 | * @param oid
|
---|
986 | * is the identifier of the section to be created.
|
---|
987 | * @param collection
|
---|
988 | * is the collection the document resides in.
|
---|
989 | */
|
---|
990 | public void documentXMLCreateSection(String oid, String collection, UserContext userContext)
|
---|
991 | {
|
---|
992 | _errorStatus = NO_ERROR;
|
---|
993 | if (oid == null || oid.equals(""))
|
---|
994 | {
|
---|
995 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
996 | return;
|
---|
997 | }
|
---|
998 | else if (collection == null || collection.equals(""))
|
---|
999 | {
|
---|
1000 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1001 | return;
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | if (oid.contains(".") && !archiveCheckDocumentOrSectionExists(oid.substring(0, oid.indexOf(".")), collection, userContext))
|
---|
1005 | {
|
---|
1006 | documentCreate(oid.substring(0, oid.indexOf(".")), collection, userContext);
|
---|
1007 | if (_errorStatus != NO_ERROR)
|
---|
1008 | {
|
---|
1009 | return;
|
---|
1010 | }
|
---|
1011 | }
|
---|
1012 |
|
---|
1013 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1014 | if (docXML == null)
|
---|
1015 | {
|
---|
1016 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1017 | return;
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | Element topLevel = docXML.getDocumentElement();
|
---|
1021 | if (!oid.contains("."))
|
---|
1022 | {
|
---|
1023 | if (GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM) == null)
|
---|
1024 | {
|
---|
1025 | Element newSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1026 | topLevel.appendChild(newSection);
|
---|
1027 | }
|
---|
1028 | }
|
---|
1029 | else
|
---|
1030 | {
|
---|
1031 | int[] intLevels = null;
|
---|
1032 | try
|
---|
1033 | {
|
---|
1034 | intLevels = oidToSectionNumberArray(oid);
|
---|
1035 | }
|
---|
1036 | catch (Exception ex)
|
---|
1037 | {
|
---|
1038 | _errorStatus = ERROR_OID_INCORRECT_FORMAT;
|
---|
1039 | return;
|
---|
1040 | }
|
---|
1041 |
|
---|
1042 | Element current = (Element) GSXML.getChildByTagName(topLevel, GSXML.DOCXML_SECTION_ELEM);
|
---|
1043 | if (current == null)
|
---|
1044 | {
|
---|
1045 | Element topLevelSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1046 | topLevel.appendChild(topLevelSection);
|
---|
1047 | current = topLevelSection;
|
---|
1048 | }
|
---|
1049 |
|
---|
1050 | for (int currentLevelValue : intLevels)
|
---|
1051 | {
|
---|
1052 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1053 |
|
---|
1054 | if (sections.item(currentLevelValue - 1) == null)
|
---|
1055 | {
|
---|
1056 | Element latest = null;
|
---|
1057 | for (int j = 0; j < currentLevelValue - sections.getLength(); j++)
|
---|
1058 | {
|
---|
1059 | Element blankSection = docXML.createElement(GSXML.DOCXML_SECTION_ELEM);
|
---|
1060 | current.appendChild(blankSection);
|
---|
1061 | latest = blankSection;
|
---|
1062 | }
|
---|
1063 | current = latest;
|
---|
1064 | }
|
---|
1065 | else
|
---|
1066 | {
|
---|
1067 | current = (Element) sections.item(currentLevelValue - 1);
|
---|
1068 | }
|
---|
1069 | }
|
---|
1070 | }
|
---|
1071 |
|
---|
1072 | //Write the new change back into the file
|
---|
1073 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
1074 | {
|
---|
1075 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1076 | }
|
---|
1077 | }
|
---|
1078 |
|
---|
1079 | /**
|
---|
1080 | * Can be used to delete an entire section.
|
---|
1081 | *
|
---|
1082 | * @param oid
|
---|
1083 | * is the identifier of the section to be deleted.
|
---|
1084 | * @param collection
|
---|
1085 | * is the collection the document resides in.
|
---|
1086 | */
|
---|
1087 | public void documentXMLDeleteSection(String oid, String collection, UserContext userContext)
|
---|
1088 | {
|
---|
1089 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1090 | {
|
---|
1091 | return;
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1095 | if (docXML == null)
|
---|
1096 | {
|
---|
1097 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1098 | return;
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1102 | if (section == null)
|
---|
1103 | {
|
---|
1104 | _errorStatus = ERROR_COULD_NOT_DELETE;
|
---|
1105 | return;
|
---|
1106 | }
|
---|
1107 |
|
---|
1108 | section.getParentNode().removeChild(section);
|
---|
1109 |
|
---|
1110 | //Write the new change back into the file
|
---|
1111 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
1112 | {
|
---|
1113 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1114 | }
|
---|
1115 | }
|
---|
1116 |
|
---|
1117 | /**
|
---|
1118 | * Can be used to get a section from a document.
|
---|
1119 | *
|
---|
1120 | * @param oid
|
---|
1121 | * is the identifier of the section to get.
|
---|
1122 | * @param collection
|
---|
1123 | * is the collection the document resides in.
|
---|
1124 | * @return the requested section.
|
---|
1125 | */
|
---|
1126 | public Element documentXMLGetSection(String oid, String collection, UserContext userContext)
|
---|
1127 | {
|
---|
1128 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1129 | {
|
---|
1130 | return null;
|
---|
1131 | }
|
---|
1132 |
|
---|
1133 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1134 | if (docXML == null)
|
---|
1135 | {
|
---|
1136 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1137 | return null;
|
---|
1138 | }
|
---|
1139 |
|
---|
1140 | Element section = null;
|
---|
1141 | if (!oid.contains("."))
|
---|
1142 | {
|
---|
1143 | section = getTopLevelSectionElement(docXML);
|
---|
1144 | }
|
---|
1145 | else
|
---|
1146 | {
|
---|
1147 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | if (section == null)
|
---|
1151 | {
|
---|
1152 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1153 | return null;
|
---|
1154 | }
|
---|
1155 |
|
---|
1156 | return section;
|
---|
1157 | }
|
---|
1158 |
|
---|
1159 | /**
|
---|
1160 | * Can be used to set an OID to the given section element.
|
---|
1161 | *
|
---|
1162 | * @param oid
|
---|
1163 | * is the identifier of the section to be set.
|
---|
1164 | * @param collection
|
---|
1165 | * is the collection the section will reside in.
|
---|
1166 | * @param newSection
|
---|
1167 | * is the new section element.
|
---|
1168 | * @param operation
|
---|
1169 | * can be one of OPERATION_REPLACE, OPERATION_INSERT_BEFORE,
|
---|
1170 | * OPERATION_INSERT_AFTER or OPERATION_APPEND.
|
---|
1171 | * @throws IOException
|
---|
1172 | */
|
---|
1173 | public void documentXMLSetSection(String oid, String collection, Element newSection, int operation, UserContext userContext)
|
---|
1174 | {
|
---|
1175 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1176 | {
|
---|
1177 | return;
|
---|
1178 | }
|
---|
1179 |
|
---|
1180 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1181 | if (docXML == null)
|
---|
1182 | {
|
---|
1183 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1184 | return;
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 | Element existingSection = null;
|
---|
1188 | if (!oid.contains("."))
|
---|
1189 | {
|
---|
1190 | existingSection = getTopLevelSectionElement(docXML);
|
---|
1191 | }
|
---|
1192 | else
|
---|
1193 | {
|
---|
1194 | existingSection = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1195 | }
|
---|
1196 |
|
---|
1197 | if (existingSection == null)
|
---|
1198 | {
|
---|
1199 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1200 | return;
|
---|
1201 | }
|
---|
1202 |
|
---|
1203 | Element importedSection = (Element) docXML.importNode(newSection.cloneNode(true), true);
|
---|
1204 | Node sectionParent = existingSection.getParentNode();
|
---|
1205 |
|
---|
1206 | if (operation == OPERATION_APPEND)
|
---|
1207 | {
|
---|
1208 | existingSection.appendChild(importedSection);
|
---|
1209 | }
|
---|
1210 | else
|
---|
1211 | {
|
---|
1212 | //Remove the attributes that are only there to help us find the section
|
---|
1213 | importedSection.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1214 | importedSection.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1215 |
|
---|
1216 | if (operation == OPERATION_INSERT_BEFORE || operation == OPERATION_REPLACE)
|
---|
1217 | {
|
---|
1218 | sectionParent.insertBefore(importedSection, existingSection);
|
---|
1219 | }
|
---|
1220 | else if (operation == OPERATION_INSERT_AFTER)
|
---|
1221 | {
|
---|
1222 | Node siblingNode = existingSection.getNextSibling();
|
---|
1223 | while (siblingNode != null && siblingNode.getNodeType() != Node.ELEMENT_NODE)
|
---|
1224 | {
|
---|
1225 | siblingNode = siblingNode.getNextSibling();
|
---|
1226 | }
|
---|
1227 |
|
---|
1228 | if (siblingNode != null)
|
---|
1229 | {
|
---|
1230 | sectionParent.insertBefore(importedSection, siblingNode);
|
---|
1231 | }
|
---|
1232 | else
|
---|
1233 | {
|
---|
1234 | sectionParent.appendChild(importedSection);
|
---|
1235 | }
|
---|
1236 | }
|
---|
1237 |
|
---|
1238 | if (operation == OPERATION_REPLACE)
|
---|
1239 | {
|
---|
1240 | sectionParent.removeChild(existingSection);
|
---|
1241 | }
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | //Write the new change back into the file
|
---|
1245 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
1246 | {
|
---|
1247 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1248 | return;
|
---|
1249 | }
|
---|
1250 | }
|
---|
1251 |
|
---|
1252 | /**
|
---|
1253 | * Gets the text of a given section as a string.
|
---|
1254 | *
|
---|
1255 | * @param oid
|
---|
1256 | * is the identifier of the section to get the text from.
|
---|
1257 | * @param collection
|
---|
1258 | * is the collection the document resides in.
|
---|
1259 | * @return the text from the section.
|
---|
1260 | */
|
---|
1261 | public String documentXMLGetText(String oid, String collection, UserContext userContext)
|
---|
1262 | {
|
---|
1263 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1264 | {
|
---|
1265 | return null;
|
---|
1266 | }
|
---|
1267 |
|
---|
1268 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1269 | if (docXML == null)
|
---|
1270 | {
|
---|
1271 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1272 | return null;
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | Element section = null;
|
---|
1276 | if (!oid.contains("."))
|
---|
1277 | {
|
---|
1278 | section = getTopLevelSectionElement(docXML);
|
---|
1279 | }
|
---|
1280 | else
|
---|
1281 | {
|
---|
1282 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1283 | }
|
---|
1284 |
|
---|
1285 | if (section == null)
|
---|
1286 | {
|
---|
1287 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1288 | return null;
|
---|
1289 | }
|
---|
1290 |
|
---|
1291 | Element contentNode = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1292 | if (contentNode == null)
|
---|
1293 | {
|
---|
1294 | return null;
|
---|
1295 | }
|
---|
1296 |
|
---|
1297 | Node textNode = contentNode.getFirstChild();
|
---|
1298 | if (textNode == null)
|
---|
1299 | {
|
---|
1300 | return null;
|
---|
1301 | }
|
---|
1302 |
|
---|
1303 | return textNode.getNodeValue();
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 | /**
|
---|
1307 | * Sets the text of a given section using an element.
|
---|
1308 | *
|
---|
1309 | * @param oid
|
---|
1310 | * is the identifier of the section to set the text of.
|
---|
1311 | * @param collection
|
---|
1312 | * is the collection the document resides in.
|
---|
1313 | * @param newContent
|
---|
1314 | * is the new content element for the section.
|
---|
1315 | */
|
---|
1316 | public void documentXMLSetText(String oid, String collection, Element newContent, UserContext userContext)
|
---|
1317 | {
|
---|
1318 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1319 | {
|
---|
1320 | return;
|
---|
1321 | }
|
---|
1322 |
|
---|
1323 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1324 | if (docXML == null)
|
---|
1325 | {
|
---|
1326 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1327 | return;
|
---|
1328 | }
|
---|
1329 |
|
---|
1330 | Element section = null;
|
---|
1331 | if (!oid.contains("."))
|
---|
1332 | {
|
---|
1333 | section = getTopLevelSectionElement(docXML);
|
---|
1334 | }
|
---|
1335 | else
|
---|
1336 | {
|
---|
1337 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1338 | }
|
---|
1339 |
|
---|
1340 | if (section == null)
|
---|
1341 | {
|
---|
1342 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1343 | return;
|
---|
1344 | }
|
---|
1345 |
|
---|
1346 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1347 |
|
---|
1348 | //Remove the attributes that are only there to help us find the content
|
---|
1349 | newContent.removeAttribute(GSXML.NODE_ID_ATT);
|
---|
1350 | newContent.removeAttribute(GSXML.COLLECTION_ATT);
|
---|
1351 |
|
---|
1352 | Element importedContent = (Element) docXML.importNode(newContent, true);
|
---|
1353 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1354 | if (existingContent == null)
|
---|
1355 | {
|
---|
1356 | section.appendChild(importedContent);
|
---|
1357 | }
|
---|
1358 | else
|
---|
1359 | {
|
---|
1360 | Node contentParent = existingContent.getParentNode();
|
---|
1361 |
|
---|
1362 | //Replace the old node in the document tree
|
---|
1363 | contentParent.insertBefore(importedContent, existingContent);
|
---|
1364 | contentParent.removeChild(existingContent);
|
---|
1365 | }
|
---|
1366 |
|
---|
1367 | //Write the new change back into the file
|
---|
1368 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
1369 | {
|
---|
1370 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1371 | return;
|
---|
1372 | }
|
---|
1373 | }
|
---|
1374 |
|
---|
1375 | /**
|
---|
1376 | * Sets the text of a given section using a string.
|
---|
1377 | *
|
---|
1378 | * @param oid
|
---|
1379 | * is the identifier of the section to set the text of.
|
---|
1380 | * @param collection
|
---|
1381 | * is the collection the document resides in.
|
---|
1382 | * @param newContent
|
---|
1383 | * is the new text for the section.
|
---|
1384 | */
|
---|
1385 | public void documentXMLSetText(String oid, String collection, String newContent, UserContext userContext)
|
---|
1386 | {
|
---|
1387 | if ((_errorStatus = checkOIDandCollection(oid, collection, userContext)) != NO_ERROR)
|
---|
1388 | {
|
---|
1389 | return;
|
---|
1390 | }
|
---|
1391 |
|
---|
1392 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1393 | if (docXML == null)
|
---|
1394 | {
|
---|
1395 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_DOC_XML;
|
---|
1396 | return;
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 | Element section = null;
|
---|
1400 | if (!oid.contains("."))
|
---|
1401 | {
|
---|
1402 | section = getTopLevelSectionElement(docXML);
|
---|
1403 | }
|
---|
1404 | else
|
---|
1405 | {
|
---|
1406 | section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1407 | }
|
---|
1408 |
|
---|
1409 | if (section == null)
|
---|
1410 | {
|
---|
1411 | _errorStatus = ERROR_COULD_NOT_RETRIEVE_SECTION;
|
---|
1412 | return;
|
---|
1413 | }
|
---|
1414 |
|
---|
1415 | Element existingContent = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_CONTENT_ELEM);
|
---|
1416 |
|
---|
1417 | //If the current section does not have content then just add it, otherwise replace the existing one
|
---|
1418 | if (existingContent == null)
|
---|
1419 | {
|
---|
1420 | Element newContentElem = docXML.createElement(GSXML.DOCXML_CONTENT_ELEM);
|
---|
1421 | Node textNode = docXML.createTextNode(newContent);
|
---|
1422 | newContentElem.appendChild(textNode);
|
---|
1423 | }
|
---|
1424 | else
|
---|
1425 | {
|
---|
1426 | Node textNode = existingContent.getFirstChild();
|
---|
1427 | if (textNode != null)
|
---|
1428 | {
|
---|
1429 | textNode.setNodeValue(newContent);
|
---|
1430 | }
|
---|
1431 | else
|
---|
1432 | {
|
---|
1433 | existingContent.appendChild(docXML.createTextNode(newContent));
|
---|
1434 | }
|
---|
1435 | }
|
---|
1436 |
|
---|
1437 | //Write the new change back into the file
|
---|
1438 | if (!writeXMLFile(docXML, oid, collection, userContext))
|
---|
1439 | {
|
---|
1440 | _errorStatus = ERROR_COULD_NOT_WRITE_TO_DOC_XML;
|
---|
1441 | return;
|
---|
1442 | }
|
---|
1443 | }
|
---|
1444 |
|
---|
1445 | /**
|
---|
1446 | * Can be used to get the file path of the doc.xml file containing the given
|
---|
1447 | * OID.
|
---|
1448 | *
|
---|
1449 | * @param oid
|
---|
1450 | * is the identifier of the document/section to get the doc.xml
|
---|
1451 | * of.
|
---|
1452 | * @param collection
|
---|
1453 | * is the collection the document resides in.
|
---|
1454 | * @return the file path to the doc.xml file.
|
---|
1455 | */
|
---|
1456 | public String archiveGetDocumentFilePath(String oid, String collection, UserContext userContext)
|
---|
1457 | {
|
---|
1458 | _errorStatus = NO_ERROR;
|
---|
1459 |
|
---|
1460 | if (oid.contains("."))
|
---|
1461 | {
|
---|
1462 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1463 | }
|
---|
1464 |
|
---|
1465 | String assocFilePath = getDocFilePathFromDatabase(oid, collection, userContext);
|
---|
1466 | if (assocFilePath == null)
|
---|
1467 | {
|
---|
1468 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1469 | return null;
|
---|
1470 | }
|
---|
1471 |
|
---|
1472 | if (File.separator.equals("\\"))
|
---|
1473 | {
|
---|
1474 | assocFilePath = assocFilePath.replace("/", "\\");
|
---|
1475 | }
|
---|
1476 |
|
---|
1477 | String docFilePath = _siteHome + File.separatorChar + "collect" + File.separatorChar + collection + File.separatorChar + "archives" + File.separatorChar + assocFilePath;
|
---|
1478 | return docFilePath;
|
---|
1479 | }
|
---|
1480 |
|
---|
1481 | /**
|
---|
1482 | * Can be used to find the document that a specific source file is used in.
|
---|
1483 | *
|
---|
1484 | * @param srcFile
|
---|
1485 | * is the name of the source file.
|
---|
1486 | * @param collection
|
---|
1487 | * is the collection the source file resides in.
|
---|
1488 | * @return the OID of the document that the source file is used in.
|
---|
1489 | */
|
---|
1490 | public String archiveGetSourceFileOID(String srcFile, String collection, UserContext userContext)
|
---|
1491 | {
|
---|
1492 | _errorStatus = NO_ERROR;
|
---|
1493 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFSRC, SimpleCollectionDatabase.READ, userContext);
|
---|
1494 | if (coll_db == null)
|
---|
1495 | {
|
---|
1496 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1497 | return null;
|
---|
1498 | }
|
---|
1499 |
|
---|
1500 | DBInfo info = coll_db.getInfo(srcFile);
|
---|
1501 | if (info == null)
|
---|
1502 | {
|
---|
1503 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1504 | coll_db.closeDatabase();
|
---|
1505 | return null;
|
---|
1506 | }
|
---|
1507 |
|
---|
1508 | String oid = info.getInfo("oid");
|
---|
1509 |
|
---|
1510 | coll_db.closeDatabase();
|
---|
1511 | return oid;
|
---|
1512 | }
|
---|
1513 |
|
---|
1514 | /**
|
---|
1515 | * Checks to see if a document or section at a given OID exists.
|
---|
1516 | *
|
---|
1517 | * @param oid
|
---|
1518 | * is the identifier of the document/section to check.
|
---|
1519 | * @param collection
|
---|
1520 | * is the collection to search in.
|
---|
1521 | * @return true if the document/section exists, false otherwise.
|
---|
1522 | */
|
---|
1523 | public boolean archiveCheckDocumentOrSectionExists(String oid, String collection, UserContext userContext)
|
---|
1524 | {
|
---|
1525 | _errorStatus = NO_ERROR;
|
---|
1526 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, userContext);
|
---|
1527 | if (coll_db == null)
|
---|
1528 | {
|
---|
1529 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1530 | return false;
|
---|
1531 | }
|
---|
1532 |
|
---|
1533 | boolean section = false;
|
---|
1534 | if (oid.contains("."))
|
---|
1535 | {
|
---|
1536 | section = true;
|
---|
1537 | }
|
---|
1538 |
|
---|
1539 | DBInfo info = null;
|
---|
1540 | if (section)
|
---|
1541 | {
|
---|
1542 | info = coll_db.getInfo(oid.substring(0, oid.indexOf(".")));
|
---|
1543 | }
|
---|
1544 | else
|
---|
1545 | {
|
---|
1546 | info = coll_db.getInfo(oid);
|
---|
1547 | }
|
---|
1548 | boolean exists = (info != null);
|
---|
1549 |
|
---|
1550 | coll_db.closeDatabase();
|
---|
1551 | if (section && exists)
|
---|
1552 | {
|
---|
1553 | Document docXML = getDocXML(oid, collection, userContext);
|
---|
1554 | if (getSectionBySectionNumber(docXML, getSectionFromOID(oid)) == null)
|
---|
1555 | {
|
---|
1556 | return false;
|
---|
1557 | }
|
---|
1558 | return true;
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 | return exists;
|
---|
1562 | }
|
---|
1563 |
|
---|
1564 | /**
|
---|
1565 | * Can be used to write a series of entries to the document database.
|
---|
1566 | *
|
---|
1567 | * @param oid
|
---|
1568 | * is the key that the entries will be written to.
|
---|
1569 | * @param collection
|
---|
1570 | * is the collection whose database will be written to.
|
---|
1571 | * @param infoList
|
---|
1572 | * is the list of entries to write.
|
---|
1573 | */
|
---|
1574 | public void archiveWriteEntryToDatabase(String oid, String collection, HashMap<String, ArrayList<String>> infoList, UserContext userContext)
|
---|
1575 | {
|
---|
1576 | _errorStatus = NO_ERROR;
|
---|
1577 | if (oid == null || oid.equals(""))
|
---|
1578 | {
|
---|
1579 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1580 | return;
|
---|
1581 | }
|
---|
1582 | else if (collection == null || collection.equals(""))
|
---|
1583 | {
|
---|
1584 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1585 | return;
|
---|
1586 | }
|
---|
1587 |
|
---|
1588 | DBInfo info = new DBInfo();
|
---|
1589 |
|
---|
1590 | for (String s : infoList.keySet())
|
---|
1591 | {
|
---|
1592 | for (String v : infoList.get(s))
|
---|
1593 | {
|
---|
1594 | info.addInfo(s, v);
|
---|
1595 | }
|
---|
1596 | }
|
---|
1597 |
|
---|
1598 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, userContext);
|
---|
1599 | if (coll_db == null)
|
---|
1600 | {
|
---|
1601 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1602 | return;
|
---|
1603 | }
|
---|
1604 |
|
---|
1605 | coll_db.setInfo(oid, info);
|
---|
1606 | coll_db.closeDatabase();
|
---|
1607 | }
|
---|
1608 |
|
---|
1609 | /**
|
---|
1610 | * Can be used to remove an entry from the document database.
|
---|
1611 | *
|
---|
1612 | * @param oid
|
---|
1613 | * is the key of the entry to erase.
|
---|
1614 | * @param collection
|
---|
1615 | * is the collection whose database will have the entry removed.
|
---|
1616 | */
|
---|
1617 | public void archiveRemoveEntryFromDatabase(String oid, String collection, UserContext userContext)
|
---|
1618 | {
|
---|
1619 | _errorStatus = NO_ERROR;
|
---|
1620 | if (oid == null || oid.equals(""))
|
---|
1621 | {
|
---|
1622 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1623 | return;
|
---|
1624 | }
|
---|
1625 | else if (collection == null || collection.equals(""))
|
---|
1626 | {
|
---|
1627 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1628 | return;
|
---|
1629 | }
|
---|
1630 |
|
---|
1631 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, userContext);
|
---|
1632 | if (coll_db == null)
|
---|
1633 | {
|
---|
1634 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1635 | return;
|
---|
1636 | }
|
---|
1637 | coll_db.deleteKey(oid);
|
---|
1638 | coll_db.closeDatabase();
|
---|
1639 | }
|
---|
1640 |
|
---|
1641 | /**
|
---|
1642 | * Gets the list of associated files for a given document.
|
---|
1643 | *
|
---|
1644 | * @param oid
|
---|
1645 | * is the identifier that will be used to search for associated
|
---|
1646 | * documents.
|
---|
1647 | * @param collection
|
---|
1648 | * is the collection whose database will be searched.
|
---|
1649 | * @return the list of associated files.
|
---|
1650 | */
|
---|
1651 | public ArrayList<String> archiveGetAssociatedImportFiles(String oid, String collection, UserContext userContext)
|
---|
1652 | {
|
---|
1653 | _errorStatus = NO_ERROR;
|
---|
1654 | if (oid == null || oid.equals(""))
|
---|
1655 | {
|
---|
1656 | _errorStatus = ERROR_OID_NOT_SPECIFIED;
|
---|
1657 | return null;
|
---|
1658 | }
|
---|
1659 | else if (collection == null || collection.equals(""))
|
---|
1660 | {
|
---|
1661 | _errorStatus = ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1662 | return null;
|
---|
1663 | }
|
---|
1664 |
|
---|
1665 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.READ, userContext);
|
---|
1666 | if (coll_db == null)
|
---|
1667 | {
|
---|
1668 | _errorStatus = ERROR_COULD_NOT_OPEN_DATABASE;
|
---|
1669 | return null;
|
---|
1670 | }
|
---|
1671 |
|
---|
1672 | DBInfo info = coll_db.getInfo(oid);
|
---|
1673 | if (info == null)
|
---|
1674 | {
|
---|
1675 | _errorStatus = ERROR_DATA_NOT_FOUND_IN_DATABASE;
|
---|
1676 | coll_db.closeDatabase();
|
---|
1677 | return null;
|
---|
1678 | }
|
---|
1679 |
|
---|
1680 | String srcFile = info.getInfo("src-file");
|
---|
1681 | Vector<String> data = info.getMultiInfo("assoc-file");
|
---|
1682 |
|
---|
1683 | ArrayList<String> assocFiles = new ArrayList<String>();
|
---|
1684 | assocFiles.add(srcFile);
|
---|
1685 | for (String d : (Vector<String>) data)
|
---|
1686 | {
|
---|
1687 | assocFiles.add(d);
|
---|
1688 | }
|
---|
1689 |
|
---|
1690 | coll_db.closeDatabase();
|
---|
1691 | return assocFiles;
|
---|
1692 | }
|
---|
1693 |
|
---|
1694 | /********************
|
---|
1695 | * Helper functions *
|
---|
1696 | *******************/
|
---|
1697 |
|
---|
1698 | public boolean checkError(Element elem, String methodName)
|
---|
1699 | {
|
---|
1700 | if (_errorMessageMap.get(_errorStatus) != null)
|
---|
1701 | {
|
---|
1702 | GSXML.addError(elem, methodName + ": " + _errorMessageMap.get(_errorStatus), GSXML.ERROR_TYPE_SYNTAX);
|
---|
1703 | return true;
|
---|
1704 | }
|
---|
1705 |
|
---|
1706 | return false;
|
---|
1707 | }
|
---|
1708 |
|
---|
1709 | public String getSectionFromOID(String oid)
|
---|
1710 | {
|
---|
1711 | if (!oid.contains("."))
|
---|
1712 | {
|
---|
1713 | return null;
|
---|
1714 | }
|
---|
1715 | return oid.substring(oid.indexOf(".") + 1);
|
---|
1716 | }
|
---|
1717 |
|
---|
1718 | public Element createElementWithValue(Document doc, String nodeName, String name, String value)
|
---|
1719 | {
|
---|
1720 | Element metadataElem = doc.createElement(nodeName);
|
---|
1721 | metadataElem.setAttribute(GSXML.NAME_ATT, name);
|
---|
1722 | Node textNode = doc.createTextNode(value);
|
---|
1723 | metadataElem.appendChild(textNode);
|
---|
1724 | return metadataElem;
|
---|
1725 | }
|
---|
1726 |
|
---|
1727 | public int getOperation(String to, String from)
|
---|
1728 | {
|
---|
1729 | int op;
|
---|
1730 | if (!to.contains(".") && !from.contains("."))
|
---|
1731 | {
|
---|
1732 | op = OPERATION_TYPE_DOC_TO_DOC;
|
---|
1733 | }
|
---|
1734 | else if (!to.contains(".") && from.contains("."))
|
---|
1735 | {
|
---|
1736 | op = OPERATION_TYPE_DOC_TO_SEC;
|
---|
1737 | }
|
---|
1738 | else if (to.contains(".") && !from.contains("."))
|
---|
1739 | {
|
---|
1740 | op = OPERATION_TYPE_SEC_TO_DOC;
|
---|
1741 | }
|
---|
1742 | else
|
---|
1743 | {
|
---|
1744 | op = OPERATION_TYPE_SEC_TO_SEC;
|
---|
1745 | }
|
---|
1746 | return op;
|
---|
1747 | }
|
---|
1748 |
|
---|
1749 | public int[] oidToSectionNumberArray(String oid) throws Exception
|
---|
1750 | {
|
---|
1751 | String[] strLevels = oid.split("\\.");
|
---|
1752 | int[] intLevels = new int[strLevels.length - 1];
|
---|
1753 |
|
---|
1754 | for (int i = 1; i < strLevels.length; i++) //Start at 1 to avoid the document identifier part of the OID
|
---|
1755 | {
|
---|
1756 | intLevels[i - 1] = Integer.parseInt(strLevels[i]);
|
---|
1757 | }
|
---|
1758 |
|
---|
1759 | return intLevels;
|
---|
1760 | }
|
---|
1761 |
|
---|
1762 | public String getDocFilePathFromDatabase(String oid, String collection, UserContext userContext)
|
---|
1763 | {
|
---|
1764 | SimpleCollectionDatabase coll_db = openDatabase(collection, ARCHIVEINFDOC, SimpleCollectionDatabase.WRITE, userContext);
|
---|
1765 | if (coll_db == null)
|
---|
1766 | {
|
---|
1767 | return null;
|
---|
1768 | }
|
---|
1769 | DBInfo info = coll_db.getInfo(oid);
|
---|
1770 | if (info == null)
|
---|
1771 | {
|
---|
1772 | return null;
|
---|
1773 | }
|
---|
1774 |
|
---|
1775 | String docFile = info.getInfo("doc-file");
|
---|
1776 | coll_db.closeDatabase();
|
---|
1777 | return docFile;
|
---|
1778 | }
|
---|
1779 |
|
---|
1780 | public boolean deleteDirectory(File current)
|
---|
1781 | {
|
---|
1782 | try
|
---|
1783 | {
|
---|
1784 | if (current == null || !current.exists())
|
---|
1785 | {
|
---|
1786 | return false;
|
---|
1787 | }
|
---|
1788 |
|
---|
1789 | if (!current.isDirectory())
|
---|
1790 | {
|
---|
1791 | current.delete();
|
---|
1792 | return true;
|
---|
1793 | }
|
---|
1794 |
|
---|
1795 | for (File f : current.listFiles())
|
---|
1796 | {
|
---|
1797 | if (f.isDirectory())
|
---|
1798 | {
|
---|
1799 | deleteDirectory(f);
|
---|
1800 | }
|
---|
1801 | else
|
---|
1802 | {
|
---|
1803 | f.delete();
|
---|
1804 | }
|
---|
1805 | }
|
---|
1806 | current.delete();
|
---|
1807 | }
|
---|
1808 | catch (Exception ex)
|
---|
1809 | {
|
---|
1810 | return false;
|
---|
1811 | }
|
---|
1812 |
|
---|
1813 | return true;
|
---|
1814 | }
|
---|
1815 |
|
---|
1816 | public int checkOIDandCollection(String oid, String collection, UserContext userContext)
|
---|
1817 | {
|
---|
1818 | if (oid == null || oid.equals(""))
|
---|
1819 | {
|
---|
1820 | return ERROR_OID_NOT_SPECIFIED;
|
---|
1821 | }
|
---|
1822 |
|
---|
1823 | if (collection == null || collection.equals(""))
|
---|
1824 | {
|
---|
1825 | return ERROR_COLLECTION_NOT_SPECIFIED;
|
---|
1826 | }
|
---|
1827 |
|
---|
1828 | if (!archiveCheckDocumentOrSectionExists(oid, collection, userContext))
|
---|
1829 | {
|
---|
1830 | return ERROR_SOURCE_DOCUMENT_OR_SECTION_DOES_NOT_EXIST;
|
---|
1831 | }
|
---|
1832 | return NO_ERROR;
|
---|
1833 | }
|
---|
1834 |
|
---|
1835 | public boolean copyDirectory(File src, File dest)
|
---|
1836 | {
|
---|
1837 | if (src.isDirectory())
|
---|
1838 | {
|
---|
1839 | //If the destination directory does not exist then create it
|
---|
1840 | if (!dest.exists())
|
---|
1841 | {
|
---|
1842 | dest.mkdir();
|
---|
1843 | }
|
---|
1844 |
|
---|
1845 | //Get all the files in the directory
|
---|
1846 | String files[] = src.list();
|
---|
1847 | for (String file : files)
|
---|
1848 | {
|
---|
1849 | File srcFile = new File(src, file);
|
---|
1850 | File destFile = new File(dest, file);
|
---|
1851 |
|
---|
1852 | if (!copyDirectory(srcFile, destFile))
|
---|
1853 | {
|
---|
1854 | return false;
|
---|
1855 | }
|
---|
1856 | }
|
---|
1857 | }
|
---|
1858 | else
|
---|
1859 | {
|
---|
1860 | try
|
---|
1861 | {
|
---|
1862 | FileChannel in = new FileInputStream(src).getChannel();
|
---|
1863 | FileChannel out = new FileOutputStream(dest).getChannel();
|
---|
1864 |
|
---|
1865 | in.transferTo(0, in.size(), out);
|
---|
1866 |
|
---|
1867 | in.close();
|
---|
1868 | out.close();
|
---|
1869 | }
|
---|
1870 | catch (Exception ex)
|
---|
1871 | {
|
---|
1872 | ex.printStackTrace();
|
---|
1873 | return false;
|
---|
1874 | }
|
---|
1875 | }
|
---|
1876 | return true;
|
---|
1877 | }
|
---|
1878 |
|
---|
1879 | public Element getTopLevelSectionElement(Document docXML)
|
---|
1880 | {
|
---|
1881 | return (Element) GSXML.getChildByTagName(docXML.getDocumentElement(), GSXML.DOCXML_SECTION_ELEM);
|
---|
1882 | }
|
---|
1883 |
|
---|
1884 | public boolean writeXMLFile(Document doc, String oid, String collection, UserContext userContext)
|
---|
1885 | {
|
---|
1886 | try
|
---|
1887 | {
|
---|
1888 | DOMSource source = new DOMSource(doc);
|
---|
1889 |
|
---|
1890 | String test = archiveGetDocumentFilePath(oid, collection, userContext);
|
---|
1891 | File xmlFile = new File(test);
|
---|
1892 | Result result = new StreamResult(xmlFile);
|
---|
1893 |
|
---|
1894 | Transformer transformer = TransformerFactory.newInstance().newTransformer();
|
---|
1895 | transformer.transform(source, result);
|
---|
1896 | }
|
---|
1897 | catch (Exception ex)
|
---|
1898 | {
|
---|
1899 | return false;
|
---|
1900 | }
|
---|
1901 | return true;
|
---|
1902 | }
|
---|
1903 |
|
---|
1904 | public Document getDocXML(String oid, String collection, UserContext userContext)
|
---|
1905 | {
|
---|
1906 | if (oid.contains("."))
|
---|
1907 | {
|
---|
1908 | oid = oid.substring(0, oid.indexOf("."));
|
---|
1909 | }
|
---|
1910 |
|
---|
1911 | Document docXML = null;
|
---|
1912 | if ((docXML = _docCache.get(oid + "__" + collection)) == null)
|
---|
1913 | {
|
---|
1914 | String filePath = archiveGetDocumentFilePath(oid, collection, userContext);
|
---|
1915 | File docFile = new File(filePath);
|
---|
1916 |
|
---|
1917 | if (!docFile.exists())
|
---|
1918 | {
|
---|
1919 | return null;
|
---|
1920 | }
|
---|
1921 |
|
---|
1922 | try
|
---|
1923 | {
|
---|
1924 | DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
|
---|
1925 | DocumentBuilder db = dbf.newDocumentBuilder();
|
---|
1926 | docXML = db.parse(docFile);
|
---|
1927 |
|
---|
1928 | _docCache.put(oid + "__" + collection, docXML);
|
---|
1929 | }
|
---|
1930 | catch (Exception ex)
|
---|
1931 | {
|
---|
1932 | return null;
|
---|
1933 | }
|
---|
1934 | }
|
---|
1935 | return docXML;
|
---|
1936 | }
|
---|
1937 |
|
---|
1938 | public ArrayList<Element> getMetadataElementsFromSection(Document docXML, String oid, String metadataName)
|
---|
1939 | {
|
---|
1940 | if (oid.contains("."))
|
---|
1941 | {
|
---|
1942 | Element section = getSectionBySectionNumber(docXML, getSectionFromOID(oid));
|
---|
1943 | return getMetadataElementsFromSection(section, metadataName);
|
---|
1944 | }
|
---|
1945 | else
|
---|
1946 | {
|
---|
1947 | return getMetadataElementsFromSection(getTopLevelSectionElement(docXML), metadataName);
|
---|
1948 | }
|
---|
1949 | }
|
---|
1950 |
|
---|
1951 | public ArrayList<Element> getMetadataElementsFromSection(Element section, String metadataName)
|
---|
1952 | {
|
---|
1953 | Element description = (Element) GSXML.getChildByTagName(section, GSXML.DOCXML_DESCRIPTION_ELEM);
|
---|
1954 | if (description == null)
|
---|
1955 | {
|
---|
1956 | return null;
|
---|
1957 | }
|
---|
1958 |
|
---|
1959 | ArrayList<Element> elemList = new ArrayList<Element>();
|
---|
1960 | NodeList metadataNodes = GSXML.getChildrenByTagName(description, GSXML.DOCXML_METADATA_ELEM);
|
---|
1961 | for (int j = 0; j < metadataNodes.getLength(); j++)
|
---|
1962 | {
|
---|
1963 | //If this is a metadata element with the requested name then we have found what we are looking for
|
---|
1964 | if (((Element) metadataNodes.item(j)).getAttribute(GSXML.NAME_ATT).equals(metadataName))
|
---|
1965 | {
|
---|
1966 | elemList.add((Element) metadataNodes.item(j));
|
---|
1967 | }
|
---|
1968 | }
|
---|
1969 |
|
---|
1970 | return elemList;
|
---|
1971 | }
|
---|
1972 |
|
---|
1973 | public Element getSectionBySectionNumber(Document docXML, String sectionNum)
|
---|
1974 | {
|
---|
1975 | return getSectionBySectionNumber(getTopLevelSectionElement(docXML), sectionNum);
|
---|
1976 | }
|
---|
1977 |
|
---|
1978 | public Element getSectionBySectionNumber(Element current, String sectionNum)
|
---|
1979 | {
|
---|
1980 | if (sectionNum == null || sectionNum.equals(""))
|
---|
1981 | {
|
---|
1982 | return current;
|
---|
1983 | }
|
---|
1984 |
|
---|
1985 | try
|
---|
1986 | {
|
---|
1987 | String[] levels = sectionNum.split("\\.");
|
---|
1988 | int currentSectionNum = Integer.parseInt(levels[0]);
|
---|
1989 |
|
---|
1990 | NodeList sections = GSXML.getChildrenByTagName(current, GSXML.DOCXML_SECTION_ELEM);
|
---|
1991 | if (levels.length > 1)
|
---|
1992 | {
|
---|
1993 | return getSectionBySectionNumber((Element) sections.item(currentSectionNum - 1), sectionNum.substring(sectionNum.indexOf(".") + 1));
|
---|
1994 | }
|
---|
1995 | else
|
---|
1996 | {
|
---|
1997 | return (Element) sections.item(currentSectionNum - 1);
|
---|
1998 | }
|
---|
1999 | }
|
---|
2000 | catch (Exception ex)
|
---|
2001 | {
|
---|
2002 | return null;
|
---|
2003 | }
|
---|
2004 | }
|
---|
2005 |
|
---|
2006 | public String getDatabaseTypeFromCollection(String collection, UserContext userContext)
|
---|
2007 | {
|
---|
2008 | //Find out what kind of database we have
|
---|
2009 | Document doc = XMLConverter.newDOM();
|
---|
2010 | Element dbTypeMessage = doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
2011 | Element dbTypeRequest = GSXML.createBasicRequest(doc, GSXML.REQUEST_TYPE_DESCRIBE, collection, userContext);
|
---|
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, UserContext userContext)
|
---|
2026 | {
|
---|
2027 | //Find out what kind of database we have
|
---|
2028 | String databaseType = getDatabaseTypeFromCollection(collection, userContext);
|
---|
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 | } |
---|