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Total Complexity | 178 |
Total Lines | 1032 |
Duplicated Lines | 0 % |
Changes | 4 | ||
Bugs | 0 | Features | 0 |
Complex classes like MetsDocument often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use MetsDocument, and based on these observations, apply Extract Interface, too.
1 | <?php |
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50 | final class MetsDocument extends Doc |
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51 | { |
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52 | /** |
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53 | * This holds the whole XML file as string for serialization purposes |
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54 | * @see __sleep() / __wakeup() |
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55 | * |
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56 | * @var string |
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57 | * @access protected |
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58 | */ |
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59 | protected $asXML = ''; |
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60 | |||
61 | /** |
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62 | * This holds the XML file's dmdSec parts with their IDs as array key |
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63 | * |
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64 | * @var array |
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65 | * @access protected |
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66 | */ |
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67 | protected $dmdSec = []; |
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68 | |||
69 | /** |
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70 | * Are the METS file's dmdSecs loaded? |
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71 | * @see $dmdSec |
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72 | * |
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73 | * @var bool |
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74 | * @access protected |
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75 | */ |
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76 | protected $dmdSecLoaded = false; |
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77 | |||
78 | /** |
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79 | * The extension key |
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80 | * |
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81 | * @var string |
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82 | * @access public |
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83 | */ |
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84 | public static $extKey = 'dlf'; |
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85 | |||
86 | /** |
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87 | * This holds the file ID -> USE concordance |
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88 | * @see _getFileGrps() |
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89 | * |
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90 | * @var array |
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91 | * @access protected |
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92 | */ |
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93 | protected $fileGrps = []; |
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94 | |||
95 | /** |
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96 | * Are the image file groups loaded? |
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97 | * @see $fileGrps |
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98 | * |
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99 | * @var bool |
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100 | * @access protected |
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101 | */ |
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102 | protected $fileGrpsLoaded = false; |
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103 | |||
104 | /** |
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105 | * This holds the XML file's METS part as \SimpleXMLElement object |
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106 | * |
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107 | * @var \SimpleXMLElement |
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108 | * @access protected |
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109 | */ |
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110 | protected $mets; |
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111 | |||
112 | /** |
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113 | * This holds the whole XML file as \SimpleXMLElement object |
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114 | * |
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115 | * @var \SimpleXMLElement |
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116 | * @access protected |
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117 | */ |
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118 | protected $xml; |
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119 | |||
120 | /** |
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121 | * This adds metadata from METS structural map to metadata array. |
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122 | * |
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123 | * @access public |
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124 | * |
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125 | * @param array &$metadata: The metadata array to extend |
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126 | * @param string $id: The "@ID" attribute of the logical structure node |
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127 | * |
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128 | * @return void |
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129 | */ |
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130 | public function addMetadataFromMets(&$metadata, $id) |
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131 | { |
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132 | $details = $this->getLogicalStructure($id); |
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133 | if (!empty($details)) { |
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134 | $metadata['mets_order'][0] = $details['order']; |
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135 | $metadata['mets_label'][0] = $details['label']; |
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136 | $metadata['mets_orderlabel'][0] = $details['orderlabel']; |
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137 | } |
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138 | } |
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139 | |||
140 | /** |
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141 | * |
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142 | * {@inheritDoc} |
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143 | * @see \Kitodo\Dlf\Common\Doc::establishRecordId() |
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144 | */ |
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145 | protected function establishRecordId($pid) |
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146 | { |
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147 | // Check for METS object @ID. |
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148 | if (!empty($this->mets['OBJID'])) { |
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149 | $this->recordId = (string) $this->mets['OBJID']; |
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150 | } |
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151 | // Get hook objects. |
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152 | $hookObjects = Helper::getHookObjects('Classes/Common/MetsDocument.php'); |
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153 | // Apply hooks. |
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154 | foreach ($hookObjects as $hookObj) { |
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155 | if (method_exists($hookObj, 'construct_postProcessRecordId')) { |
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156 | $hookObj->construct_postProcessRecordId($this->xml, $this->recordId); |
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157 | } |
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158 | } |
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159 | } |
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160 | |||
161 | /** |
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162 | * |
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163 | * {@inheritDoc} |
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164 | * @see \Kitodo\Dlf\Common\Doc::getDownloadLocation() |
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165 | */ |
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166 | public function getDownloadLocation($id) |
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167 | { |
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168 | $fileMimeType = $this->getFileMimeType($id); |
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169 | $fileLocation = $this->getFileLocation($id); |
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170 | if ($fileMimeType === 'application/vnd.kitodo.iiif') { |
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171 | $fileLocation = (strrpos($fileLocation, 'info.json') === strlen($fileLocation) - 9) ? $fileLocation : (strrpos($fileLocation, '/') === strlen($fileLocation) ? $fileLocation . 'info.json' : $fileLocation . '/info.json'); |
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172 | $conf = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get(self::$extKey); |
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173 | IiifHelper::setUrlReader(IiifUrlReader::getInstance()); |
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174 | IiifHelper::setMaxThumbnailHeight($conf['iiifThumbnailHeight']); |
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175 | IiifHelper::setMaxThumbnailWidth($conf['iiifThumbnailWidth']); |
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176 | $service = IiifHelper::loadIiifResource($fileLocation); |
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177 | if ($service !== null && $service instanceof AbstractImageService) { |
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178 | return $service->getImageUrl(); |
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179 | } |
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180 | } elseif ($fileMimeType === 'application/vnd.netfpx') { |
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181 | $baseURL = $fileLocation . (strpos($fileLocation, '?') === false ? '?' : ''); |
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182 | // TODO CVT is an optional IIP server capability; in theory, capabilities should be determined in the object request with '&obj=IIP-server' |
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183 | return $baseURL . '&CVT=jpeg'; |
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184 | } |
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185 | return $fileLocation; |
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186 | } |
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187 | |||
188 | /** |
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189 | * {@inheritDoc} |
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190 | * @see \Kitodo\Dlf\Common\Doc::getFileLocation() |
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191 | */ |
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192 | public function getFileLocation($id) |
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193 | { |
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194 | $location = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="' . $id . '"]/mets:FLocat[@LOCTYPE="URL"]'); |
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195 | if ( |
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196 | !empty($id) |
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197 | && !empty($location) |
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198 | ) { |
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199 | return (string) $location[0]->attributes('http://www.w3.org/1999/xlink')->href; |
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200 | } else { |
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201 | $this->logger->warning('There is no file node with @ID "' . $id . '"'); |
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202 | return ''; |
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203 | } |
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204 | } |
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205 | |||
206 | /** |
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207 | * {@inheritDoc} |
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208 | * @see \Kitodo\Dlf\Common\Doc::getFileMimeType() |
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209 | */ |
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210 | public function getFileMimeType($id) |
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221 | } |
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222 | } |
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223 | |||
224 | /** |
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225 | * {@inheritDoc} |
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226 | * @see \Kitodo\Dlf\Common\Doc::getLogicalStructure() |
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227 | */ |
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228 | public function getLogicalStructure($id, $recursive = false) |
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257 | } |
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258 | |||
259 | /** |
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260 | * This gets details about a logical structure element |
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261 | * |
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262 | * @access protected |
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263 | * |
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264 | * @param \SimpleXMLElement $structure: The logical structure node |
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265 | * @param bool $recursive: Whether to include the child elements |
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266 | * |
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267 | * @return array Array of the element's id, label, type and physical page indexes/mptr link |
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268 | */ |
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269 | protected function getLogicalStructureInfo(\SimpleXMLElement $structure, $recursive = false) |
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270 | { |
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271 | // Load plugin configuration. |
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272 | $extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get(self::$extKey); |
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273 | // Extract identity information. |
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274 | $details = $this->getLogicalStructureDetails($structure); |
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275 | // Load smLinks. |
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276 | $this->_getSmLinks(); |
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277 | // Load physical structure. |
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278 | $this->_getPhysicalStructure(); |
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279 | // Get the physical page or external file this structure element is pointing at. |
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280 | $details['points'] = ''; |
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281 | // Is there a mptr node? |
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282 | if (count($structure->children('http://www.loc.gov/METS/')->mptr)) { |
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283 | // Yes. Get the file reference. |
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284 | $details['points'] = (string) $structure->children('http://www.loc.gov/METS/')->mptr[0]->attributes('http://www.w3.org/1999/xlink')->href; |
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285 | } elseif ( |
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286 | !empty($this->physicalStructure) |
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287 | && array_key_exists($details['id'], $this->smLinks['l2p']) |
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288 | ) { |
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289 | // Link logical structure to the first corresponding physical page/track. |
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290 | $details['points'] = max(intval(array_search($this->smLinks['l2p'][$details['id']][0], $this->physicalStructure, true)), 1); |
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291 | $fileGrpsThumb = GeneralUtility::trimExplode(',', $extConf['fileGrpThumbs']); |
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292 | while ($fileGrpThumb = array_shift($fileGrpsThumb)) { |
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293 | if (!empty($this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$fileGrpThumb])) { |
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294 | $details['thumbnailId'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$fileGrpThumb]; |
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295 | break; |
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296 | } |
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297 | } |
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298 | // Get page/track number of the first page/track related to this structure element. |
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299 | $details['pagination'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['orderlabel']; |
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300 | } elseif ($details['id'] == $this->_getToplevelId()) { |
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301 | // Point to self if this is the toplevel structure. |
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302 | $details['points'] = 1; |
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303 | $fileGrpsThumb = GeneralUtility::trimExplode(',', $extConf['fileGrpThumbs']); |
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304 | while ($fileGrpThumb = array_shift($fileGrpsThumb)) { |
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305 | if ( |
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306 | !empty($this->physicalStructure) |
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307 | && !empty($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$fileGrpThumb]) |
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308 | ) { |
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309 | $details['thumbnailId'] = $this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$fileGrpThumb]; |
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310 | break; |
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311 | } |
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312 | } |
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313 | } |
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314 | // Get the files this structure element is pointing at. |
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315 | $details['files'] = []; |
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316 | $fileUse = $this->_getFileGrps(); |
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317 | // Get the file representations from fileSec node. |
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318 | foreach ($structure->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
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319 | // Check if file has valid @USE attribute. |
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320 | if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
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321 | $details['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
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322 | } |
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323 | } |
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324 | // Keep for later usage. |
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325 | $this->logicalUnits[$details['id']] = $details; |
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326 | // Walk the structure recursively? And are there any children of the current element? |
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327 | if ( |
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328 | $recursive |
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329 | && count($structure->children('http://www.loc.gov/METS/')->div) |
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330 | ) { |
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331 | $details['children'] = []; |
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332 | foreach ($structure->children('http://www.loc.gov/METS/')->div as $child) { |
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333 | // Repeat for all children. |
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334 | $details['children'][] = $this->getLogicalStructureInfo($child, true); |
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335 | } |
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336 | } |
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337 | return $details; |
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338 | } |
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339 | |||
340 | /** |
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341 | * This gets basic details about a logical structure element |
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342 | * |
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343 | * @access protected |
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344 | * |
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345 | * @param \SimpleXMLElement $structure: The logical structure node |
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346 | * |
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347 | * @return array Array of the element's id, label, type and physical page indexes/mptr link |
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348 | */ |
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349 | private function getLogicalStructureDetails(\SimpleXMLElement $structure) { |
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350 | // Get attributes. |
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351 | foreach ($structure->attributes() as $attribute => $value) { |
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352 | $attributes[$attribute] = (string) $value; |
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353 | } |
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354 | |||
355 | // Extract identity information. |
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356 | $details = []; |
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357 | $details['id'] = $attributes['ID']; |
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358 | $details['dmdId'] = (isset($attributes['DMDID']) ? $attributes['DMDID'] : ''); |
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359 | $details['order'] = (isset($attributes['ORDER']) ? $attributes['ORDER'] : ''); |
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360 | $details['label'] = (isset($attributes['LABEL']) ? $attributes['LABEL'] : ''); |
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361 | $details['orderlabel'] = (isset($attributes['ORDERLABEL']) ? $attributes['ORDERLABEL'] : ''); |
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362 | $details['contentIds'] = (isset($attributes['CONTENTIDS']) ? $attributes['CONTENTIDS'] : ''); |
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363 | $details['volume'] = ''; |
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364 | // Set volume information only if no label is set and this is the toplevel structure element. |
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365 | if ( |
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366 | empty($details['label']) |
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367 | && $details['id'] == $this->_getToplevelId() |
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368 | ) { |
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369 | $metadata = $this->getMetadata($details['id']); |
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370 | if (!empty($metadata['volume'][0])) { |
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371 | $details['volume'] = $metadata['volume'][0]; |
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372 | } |
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373 | } |
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374 | $details['pagination'] = ''; |
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375 | $details['type'] = $attributes['TYPE']; |
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376 | $details['thumbnailId'] = ''; |
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377 | return $details; |
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378 | } |
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379 | |||
380 | /** |
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381 | * {@inheritDoc} |
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382 | * @see \Kitodo\Dlf\Common\Doc::getMetadata() |
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383 | */ |
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384 | public function getMetadata($id, $cPid = 0) |
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385 | { |
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386 | // Make sure $cPid is a non-negative integer. |
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387 | $cPid = max(intval($cPid), 0); |
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388 | // If $cPid is not given, try to get it elsewhere. |
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389 | if ( |
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390 | !$cPid |
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391 | && ($this->cPid || $this->pid) |
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392 | ) { |
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393 | // Retain current PID. |
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394 | $cPid = ($this->cPid ? $this->cPid : $this->pid); |
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395 | } elseif (!$cPid) { |
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396 | $this->logger->warning('Invalid PID ' . $cPid . ' for metadata definitions'); |
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397 | return []; |
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398 | } |
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399 | // Get metadata from parsed metadata array if available. |
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400 | if ( |
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401 | !empty($this->metadataArray[$id]) |
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402 | && $this->metadataArray[0] == $cPid |
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403 | ) { |
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404 | return $this->metadataArray[$id]; |
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405 | } |
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406 | // Initialize metadata array with empty values. |
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407 | $metadata = [ |
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408 | 'title' => [], |
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409 | 'title_sorting' => [], |
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410 | 'author' => [], |
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411 | 'place' => [], |
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412 | 'year' => [], |
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413 | 'prod_id' => [], |
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414 | 'record_id' => [], |
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415 | 'opac_id' => [], |
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416 | 'union_id' => [], |
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417 | 'urn' => [], |
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418 | 'purl' => [], |
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419 | 'type' => [], |
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420 | 'volume' => [], |
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421 | 'volume_sorting' => [], |
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422 | 'license' => [], |
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423 | 'terms' => [], |
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424 | 'restrictions' => [], |
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425 | 'out_of_print' => [], |
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426 | 'rights_info' => [], |
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427 | 'collection' => [], |
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428 | 'owner' => [], |
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429 | 'mets_label' => [], |
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430 | 'mets_orderlabel' => [], |
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431 | 'document_format' => ['METS'], |
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432 | ]; |
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433 | // Get the logical structure node's @DMDID. |
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434 | if (!empty($this->logicalUnits[$id])) { |
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435 | $dmdIds = $this->logicalUnits[$id]['dmdId']; |
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436 | } else { |
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437 | $dmdIds = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="' . $id . '"]/@DMDID'); |
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438 | $dmdIds = (string) $dmdIds[0]; |
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439 | } |
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440 | if (!empty($dmdIds)) { |
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441 | // Handle multiple DMDIDs separately. |
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442 | $dmdIds = explode(' ', $dmdIds); |
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443 | $hasSupportedMetadata = false; |
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444 | } else { |
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445 | // There is no dmdSec for this structure node. |
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446 | return []; |
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447 | } |
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448 | // Load available metadata formats and dmdSecs. |
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449 | $this->loadFormats(); |
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450 | $this->_getDmdSec(); |
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451 | foreach ($dmdIds as $dmdId) { |
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452 | // Is this metadata format supported? |
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453 | if (!empty($this->formats[$this->dmdSec[$dmdId]['type']])) { |
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454 | if (!empty($this->formats[$this->dmdSec[$dmdId]['type']]['class'])) { |
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455 | $class = $this->formats[$this->dmdSec[$dmdId]['type']]['class']; |
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456 | // Get the metadata from class. |
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457 | if ( |
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458 | class_exists($class) |
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459 | && ($obj = GeneralUtility::makeInstance($class)) instanceof MetadataInterface |
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460 | ) { |
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461 | $obj->extractMetadata($this->dmdSec[$dmdId]['xml'], $metadata); |
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462 | } else { |
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463 | $this->logger->warning('Invalid class/method "' . $class . '->extractMetadata()" for metadata format "' . $this->dmdSec[$dmdId]['type'] . '"'); |
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464 | } |
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465 | } |
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466 | } else { |
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467 | $this->logger->notice('Unsupported metadata format "' . $this->dmdSec[$dmdId]['type'] . '" in dmdSec with @ID "' . $dmdId . '"'); |
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468 | // Continue searching for supported metadata with next @DMDID. |
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469 | continue; |
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470 | } |
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471 | // Get the structure's type. |
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472 | if (!empty($this->logicalUnits[$id])) { |
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473 | $metadata['type'] = [$this->logicalUnits[$id]['type']]; |
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474 | } else { |
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475 | $struct = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="' . $id . '"]/@TYPE'); |
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476 | if (!empty($struct)) { |
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477 | $metadata['type'] = [(string) $struct[0]]; |
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478 | } |
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479 | } |
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480 | // Get the additional metadata from database. |
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481 | $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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482 | ->getQueryBuilderForTable('tx_dlf_metadata'); |
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483 | // Get hidden records, too. |
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484 | $queryBuilder |
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485 | ->getRestrictions() |
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486 | ->removeByType(HiddenRestriction::class); |
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487 | // Get all metadata with configured xpath and applicable format first. |
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488 | $resultWithFormat = $queryBuilder |
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489 | ->select( |
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490 | 'tx_dlf_metadata.index_name AS index_name', |
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491 | 'tx_dlf_metadataformat_joins.xpath AS xpath', |
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492 | 'tx_dlf_metadataformat_joins.xpath_sorting AS xpath_sorting', |
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493 | 'tx_dlf_metadata.is_sortable AS is_sortable', |
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494 | 'tx_dlf_metadata.default_value AS default_value', |
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495 | 'tx_dlf_metadata.format AS format' |
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496 | ) |
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497 | ->from('tx_dlf_metadata') |
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498 | ->innerJoin( |
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499 | 'tx_dlf_metadata', |
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500 | 'tx_dlf_metadataformat', |
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501 | 'tx_dlf_metadataformat_joins', |
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502 | $queryBuilder->expr()->eq( |
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503 | 'tx_dlf_metadataformat_joins.parent_id', |
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504 | 'tx_dlf_metadata.uid' |
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505 | ) |
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506 | ) |
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507 | ->innerJoin( |
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508 | 'tx_dlf_metadataformat_joins', |
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509 | 'tx_dlf_formats', |
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510 | 'tx_dlf_formats_joins', |
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511 | $queryBuilder->expr()->eq( |
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512 | 'tx_dlf_formats_joins.uid', |
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513 | 'tx_dlf_metadataformat_joins.encoded' |
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514 | ) |
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515 | ) |
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516 | ->where( |
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517 | $queryBuilder->expr()->eq('tx_dlf_metadata.pid', intval($cPid)), |
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518 | $queryBuilder->expr()->eq('tx_dlf_metadata.l18n_parent', 0), |
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519 | $queryBuilder->expr()->eq('tx_dlf_metadataformat_joins.pid', intval($cPid)), |
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520 | $queryBuilder->expr()->eq('tx_dlf_formats_joins.type', $queryBuilder->createNamedParameter($this->dmdSec[$dmdId]['type'])) |
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521 | ) |
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522 | ->execute(); |
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523 | // Get all metadata without a format, but with a default value next. |
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524 | $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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525 | ->getQueryBuilderForTable('tx_dlf_metadata'); |
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526 | // Get hidden records, too. |
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527 | $queryBuilder |
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528 | ->getRestrictions() |
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529 | ->removeByType(HiddenRestriction::class); |
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530 | $resultWithoutFormat = $queryBuilder |
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531 | ->select( |
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532 | 'tx_dlf_metadata.index_name AS index_name', |
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533 | 'tx_dlf_metadata.is_sortable AS is_sortable', |
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534 | 'tx_dlf_metadata.default_value AS default_value', |
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535 | 'tx_dlf_metadata.format AS format' |
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536 | ) |
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537 | ->from('tx_dlf_metadata') |
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538 | ->where( |
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539 | $queryBuilder->expr()->eq('tx_dlf_metadata.pid', intval($cPid)), |
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540 | $queryBuilder->expr()->eq('tx_dlf_metadata.l18n_parent', 0), |
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541 | $queryBuilder->expr()->eq('tx_dlf_metadata.format', 0), |
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542 | $queryBuilder->expr()->neq('tx_dlf_metadata.default_value', $queryBuilder->createNamedParameter('')) |
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543 | ) |
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544 | ->execute(); |
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545 | // Merge both result sets. |
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546 | $allResults = array_merge($resultWithFormat->fetchAll(), $resultWithoutFormat->fetchAll()); |
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547 | // We need a \DOMDocument here, because SimpleXML doesn't support XPath functions properly. |
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548 | $domNode = dom_import_simplexml($this->dmdSec[$dmdId]['xml']); |
||
549 | $domXPath = new \DOMXPath($domNode->ownerDocument); |
||
550 | $this->registerNamespaces($domXPath); |
||
551 | // OK, now make the XPath queries. |
||
552 | foreach ($allResults as $resArray) { |
||
553 | // Set metadata field's value(s). |
||
554 | if ( |
||
555 | $resArray['format'] > 0 |
||
556 | && !empty($resArray['xpath']) |
||
557 | && ($values = $domXPath->evaluate($resArray['xpath'], $domNode)) |
||
558 | ) { |
||
559 | if ( |
||
560 | $values instanceof \DOMNodeList |
||
561 | && $values->length > 0 |
||
562 | ) { |
||
563 | $metadata[$resArray['index_name']] = []; |
||
564 | foreach ($values as $value) { |
||
565 | $metadata[$resArray['index_name']][] = trim((string) $value->nodeValue); |
||
566 | } |
||
567 | } elseif (!($values instanceof \DOMNodeList)) { |
||
568 | $metadata[$resArray['index_name']] = [trim((string) $values)]; |
||
569 | } |
||
570 | } |
||
571 | // Set default value if applicable. |
||
572 | if ( |
||
573 | empty($metadata[$resArray['index_name']][0]) |
||
574 | && strlen($resArray['default_value']) > 0 |
||
575 | ) { |
||
576 | $metadata[$resArray['index_name']] = [$resArray['default_value']]; |
||
577 | } |
||
578 | // Set sorting value if applicable. |
||
579 | if ( |
||
580 | !empty($metadata[$resArray['index_name']]) |
||
581 | && $resArray['is_sortable'] |
||
582 | ) { |
||
583 | if ( |
||
584 | $resArray['format'] > 0 |
||
585 | && !empty($resArray['xpath_sorting']) |
||
586 | && ($values = $domXPath->evaluate($resArray['xpath_sorting'], $domNode)) |
||
587 | ) { |
||
588 | if ( |
||
589 | $values instanceof \DOMNodeList |
||
590 | && $values->length > 0 |
||
591 | ) { |
||
592 | $metadata[$resArray['index_name'] . '_sorting'][0] = trim((string) $values->item(0)->nodeValue); |
||
593 | } elseif (!($values instanceof \DOMNodeList)) { |
||
594 | $metadata[$resArray['index_name'] . '_sorting'][0] = trim((string) $values); |
||
595 | } |
||
596 | } |
||
597 | if (empty($metadata[$resArray['index_name'] . '_sorting'][0])) { |
||
598 | $metadata[$resArray['index_name'] . '_sorting'][0] = $metadata[$resArray['index_name']][0]; |
||
599 | } |
||
600 | } |
||
601 | } |
||
602 | // Set title to empty string if not present. |
||
603 | if (empty($metadata['title'][0])) { |
||
604 | $metadata['title'][0] = ''; |
||
605 | $metadata['title_sorting'][0] = ''; |
||
606 | } |
||
607 | // Extract metadata only from first supported dmdSec. |
||
608 | $hasSupportedMetadata = true; |
||
609 | break; |
||
610 | } |
||
611 | if ($hasSupportedMetadata) { |
||
612 | return $metadata; |
||
613 | } else { |
||
614 | $this->logger->warning('No supported metadata found for logical structure with @ID "' . $id . '"'); |
||
615 | return []; |
||
616 | } |
||
617 | } |
||
618 | |||
619 | /** |
||
620 | * {@inheritDoc} |
||
621 | * @see \Kitodo\Dlf\Common\Doc::getFullText() |
||
622 | */ |
||
623 | public function getFullText($id) |
||
624 | { |
||
625 | $fullText = ''; |
||
626 | |||
627 | // Load fileGrps and check for full text files. |
||
628 | $this->_getFileGrps(); |
||
629 | if ($this->hasFulltext) { |
||
630 | $fullText = $this->getFullTextFromXml($id); |
||
631 | } |
||
632 | return $fullText; |
||
633 | } |
||
634 | |||
635 | /** |
||
636 | * {@inheritDoc} |
||
637 | * @see Doc::getStructureDepth() |
||
638 | */ |
||
639 | public function getStructureDepth($logId) |
||
640 | { |
||
641 | $ancestors = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="' . $logId . '"]/ancestor::*'); |
||
642 | if (!empty($ancestors)) { |
||
643 | return count($ancestors); |
||
644 | } else { |
||
645 | return 0; |
||
646 | } |
||
647 | } |
||
648 | |||
649 | /** |
||
650 | * {@inheritDoc} |
||
651 | * @see \Kitodo\Dlf\Common\Doc::init() |
||
652 | */ |
||
653 | protected function init($location) |
||
654 | { |
||
655 | $this->logger = GeneralUtility::makeInstance(LogManager::class)->getLogger(get_class($this)); |
||
656 | // Get METS node from XML file. |
||
657 | $this->registerNamespaces($this->xml); |
||
658 | $mets = $this->xml->xpath('//mets:mets'); |
||
659 | if (!empty($mets)) { |
||
660 | $this->mets = $mets[0]; |
||
661 | // Register namespaces. |
||
662 | $this->registerNamespaces($this->mets); |
||
663 | } else { |
||
664 | if (!empty($location)) { |
||
665 | $this->logger->error('No METS part found in document with location "' . $location . '".'); |
||
666 | } else if (!empty($this->recordId)) { |
||
667 | $this->logger->error('No METS part found in document with recordId "' . $this->recordId . '".'); |
||
668 | } else { |
||
669 | $this->logger->error('No METS part found in current document.'); |
||
670 | } |
||
671 | } |
||
672 | } |
||
673 | |||
674 | /** |
||
675 | * {@inheritDoc} |
||
676 | * @see \Kitodo\Dlf\Common\Doc::loadLocation() |
||
677 | */ |
||
678 | protected function loadLocation($location) |
||
679 | { |
||
680 | $fileResource = Helper::getUrl($location); |
||
681 | if ($fileResource !== false) { |
||
682 | $xml = Helper::getXmlFileAsString($fileResource); |
||
683 | // Set some basic properties. |
||
684 | if ($xml !== false) { |
||
685 | $this->xml = $xml; |
||
686 | return true; |
||
687 | } |
||
688 | } |
||
689 | $this->logger->error('Could not load XML file from "' . $location . '"'); |
||
690 | return false; |
||
691 | } |
||
692 | |||
693 | /** |
||
694 | * {@inheritDoc} |
||
695 | * @see \Kitodo\Dlf\Common\Doc::ensureHasFulltextIsSet() |
||
696 | */ |
||
697 | protected function ensureHasFulltextIsSet() |
||
698 | { |
||
699 | // Are the fileGrps already loaded? |
||
700 | if (!$this->fileGrpsLoaded) { |
||
701 | $this->_getFileGrps(); |
||
702 | } |
||
703 | } |
||
704 | |||
705 | /** |
||
706 | * {@inheritDoc} |
||
707 | * @see Doc::setPreloadedDocument() |
||
708 | */ |
||
709 | protected function setPreloadedDocument($preloadedDocument) |
||
710 | { |
||
711 | |||
712 | if ($preloadedDocument instanceof \SimpleXMLElement) { |
||
713 | $this->xml = $preloadedDocument; |
||
714 | return true; |
||
715 | } |
||
716 | return false; |
||
717 | } |
||
718 | |||
719 | /** |
||
720 | * {@inheritDoc} |
||
721 | * @see Doc::getDocument() |
||
722 | */ |
||
723 | protected function getDocument() |
||
726 | } |
||
727 | |||
728 | /** |
||
729 | * This builds an array of the document's dmdSecs |
||
730 | * |
||
731 | * @access protected |
||
732 | * |
||
733 | * @return array Array of dmdSecs with their IDs as array key |
||
734 | */ |
||
735 | protected function _getDmdSec() |
||
736 | { |
||
737 | if (!$this->dmdSecLoaded) { |
||
738 | // Get available data formats. |
||
739 | $this->loadFormats(); |
||
740 | // Get dmdSec nodes from METS. |
||
741 | $dmdIds = $this->mets->xpath('./mets:dmdSec/@ID'); |
||
742 | if (!empty($dmdIds)) { |
||
743 | foreach ($dmdIds as $dmdId) { |
||
744 | if ($type = $this->mets->xpath('./mets:dmdSec[@ID="' . (string) $dmdId . '"]/mets:mdWrap[not(@MDTYPE="OTHER")]/@MDTYPE')) { |
||
745 | if (!empty($this->formats[(string) $type[0]])) { |
||
746 | $type = (string) $type[0]; |
||
747 | $xml = $this->mets->xpath('./mets:dmdSec[@ID="' . (string) $dmdId . '"]/mets:mdWrap[@MDTYPE="' . $type . '"]/mets:xmlData/' . strtolower($type) . ':' . $this->formats[$type]['rootElement']); |
||
748 | } |
||
749 | } elseif ($type = $this->mets->xpath('./mets:dmdSec[@ID="' . (string) $dmdId . '"]/mets:mdWrap[@MDTYPE="OTHER"]/@OTHERMDTYPE')) { |
||
750 | if (!empty($this->formats[(string) $type[0]])) { |
||
751 | $type = (string) $type[0]; |
||
752 | $xml = $this->mets->xpath('./mets:dmdSec[@ID="' . (string) $dmdId . '"]/mets:mdWrap[@MDTYPE="OTHER"][@OTHERMDTYPE="' . $type . '"]/mets:xmlData/' . strtolower($type) . ':' . $this->formats[$type]['rootElement']); |
||
753 | } |
||
754 | } |
||
755 | if (!empty($xml)) { |
||
756 | $this->dmdSec[(string) $dmdId]['type'] = $type; |
||
757 | $this->dmdSec[(string) $dmdId]['xml'] = $xml[0]; |
||
758 | $this->registerNamespaces($this->dmdSec[(string) $dmdId]['xml']); |
||
759 | } |
||
760 | } |
||
761 | } |
||
762 | $this->dmdSecLoaded = true; |
||
763 | } |
||
764 | return $this->dmdSec; |
||
765 | } |
||
766 | |||
767 | /** |
||
768 | * This builds the file ID -> USE concordance |
||
769 | * |
||
770 | * @access protected |
||
771 | * |
||
772 | * @return array Array of file use groups with file IDs |
||
773 | */ |
||
774 | protected function _getFileGrps() |
||
775 | { |
||
776 | if (!$this->fileGrpsLoaded) { |
||
777 | // Get configured USE attributes. |
||
778 | $extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get(self::$extKey); |
||
779 | $useGrps = GeneralUtility::trimExplode(',', $extConf['fileGrpImages']); |
||
780 | if (!empty($extConf['fileGrpThumbs'])) { |
||
781 | $useGrps = array_merge($useGrps, GeneralUtility::trimExplode(',', $extConf['fileGrpThumbs'])); |
||
782 | } |
||
783 | if (!empty($extConf['fileGrpDownload'])) { |
||
784 | $useGrps = array_merge($useGrps, GeneralUtility::trimExplode(',', $extConf['fileGrpDownload'])); |
||
785 | } |
||
786 | if (!empty($extConf['fileGrpFulltext'])) { |
||
787 | $useGrps = array_merge($useGrps, GeneralUtility::trimExplode(',', $extConf['fileGrpFulltext'])); |
||
788 | } |
||
789 | if (!empty($extConf['fileGrpAudio'])) { |
||
790 | $useGrps = array_merge($useGrps, GeneralUtility::trimExplode(',', $extConf['fileGrpAudio'])); |
||
791 | } |
||
792 | // Get all file groups. |
||
793 | $fileGrps = $this->mets->xpath('./mets:fileSec/mets:fileGrp'); |
||
794 | if (!empty($fileGrps)) { |
||
795 | // Build concordance for configured USE attributes. |
||
796 | foreach ($fileGrps as $fileGrp) { |
||
797 | if (in_array((string) $fileGrp['USE'], $useGrps)) { |
||
798 | foreach ($fileGrp->children('http://www.loc.gov/METS/')->file as $file) { |
||
799 | $this->fileGrps[(string) $file->attributes()->ID] = (string) $fileGrp['USE']; |
||
800 | } |
||
801 | } |
||
802 | } |
||
803 | } |
||
804 | // Are there any fulltext files available? |
||
805 | if ( |
||
806 | !empty($extConf['fileGrpFulltext']) |
||
807 | && array_intersect(GeneralUtility::trimExplode(',', $extConf['fileGrpFulltext']), $this->fileGrps) !== [] |
||
808 | ) { |
||
809 | $this->hasFulltext = true; |
||
810 | } |
||
811 | $this->fileGrpsLoaded = true; |
||
812 | } |
||
813 | return $this->fileGrps; |
||
814 | } |
||
815 | |||
816 | /** |
||
817 | * {@inheritDoc} |
||
818 | * @see \Kitodo\Dlf\Common\Doc::prepareMetadataArray() |
||
819 | */ |
||
820 | protected function prepareMetadataArray($cPid) |
||
821 | { |
||
822 | $ids = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID]/@ID'); |
||
823 | // Get all logical structure nodes with metadata. |
||
824 | if (!empty($ids)) { |
||
825 | foreach ($ids as $id) { |
||
826 | $this->metadataArray[(string) $id] = $this->getMetadata((string) $id, $cPid); |
||
827 | } |
||
828 | } |
||
829 | // Set current PID for metadata definitions. |
||
830 | } |
||
831 | |||
832 | /** |
||
833 | * This returns $this->mets via __get() |
||
834 | * |
||
835 | * @access protected |
||
836 | * |
||
837 | * @return \SimpleXMLElement The XML's METS part as \SimpleXMLElement object |
||
838 | */ |
||
839 | protected function _getMets() |
||
840 | { |
||
841 | return $this->mets; |
||
842 | } |
||
843 | |||
844 | /** |
||
845 | * {@inheritDoc} |
||
846 | * @see \Kitodo\Dlf\Common\Doc::_getPhysicalStructure() |
||
847 | */ |
||
848 | protected function _getPhysicalStructure() |
||
849 | { |
||
850 | // Is there no physical structure array yet? |
||
851 | if (!$this->physicalStructureLoaded) { |
||
852 | // Does the document have a structMap node of type "PHYSICAL"? |
||
853 | $elementNodes = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]/mets:div'); |
||
854 | if (!empty($elementNodes)) { |
||
855 | // Get file groups. |
||
856 | $fileUse = $this->_getFileGrps(); |
||
857 | // Get the physical sequence's metadata. |
||
858 | $physNode = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]'); |
||
859 | $physSeq[0] = (string) $physNode[0]['ID']; |
||
860 | $this->physicalStructureInfo[$physSeq[0]]['id'] = (string) $physNode[0]['ID']; |
||
861 | $this->physicalStructureInfo[$physSeq[0]]['dmdId'] = (isset($physNode[0]['DMDID']) ? (string) $physNode[0]['DMDID'] : ''); |
||
862 | $this->physicalStructureInfo[$physSeq[0]]['order'] = (isset($physNode[0]['ORDER']) ? (string) $physNode[0]['ORDER'] : ''); |
||
863 | $this->physicalStructureInfo[$physSeq[0]]['label'] = (isset($physNode[0]['LABEL']) ? (string) $physNode[0]['LABEL'] : ''); |
||
864 | $this->physicalStructureInfo[$physSeq[0]]['orderlabel'] = (isset($physNode[0]['ORDERLABEL']) ? (string) $physNode[0]['ORDERLABEL'] : ''); |
||
865 | $this->physicalStructureInfo[$physSeq[0]]['type'] = (string) $physNode[0]['TYPE']; |
||
866 | $this->physicalStructureInfo[$physSeq[0]]['contentIds'] = (isset($physNode[0]['CONTENTIDS']) ? (string) $physNode[0]['CONTENTIDS'] : ''); |
||
867 | // Get the file representations from fileSec node. |
||
868 | foreach ($physNode[0]->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
||
869 | // Check if file has valid @USE attribute. |
||
870 | if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
||
871 | $this->physicalStructureInfo[$physSeq[0]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
||
872 | } |
||
873 | } |
||
874 | // Build the physical elements' array from the physical structMap node. |
||
875 | foreach ($elementNodes as $elementNode) { |
||
876 | $elements[(int) $elementNode['ORDER']] = (string) $elementNode['ID']; |
||
877 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['id'] = (string) $elementNode['ID']; |
||
878 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['dmdId'] = (isset($elementNode['DMDID']) ? (string) $elementNode['DMDID'] : ''); |
||
879 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['order'] = (isset($elementNode['ORDER']) ? (string) $elementNode['ORDER'] : ''); |
||
880 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['label'] = (isset($elementNode['LABEL']) ? (string) $elementNode['LABEL'] : ''); |
||
881 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['orderlabel'] = (isset($elementNode['ORDERLABEL']) ? (string) $elementNode['ORDERLABEL'] : ''); |
||
882 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['type'] = (string) $elementNode['TYPE']; |
||
883 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['contentIds'] = (isset($elementNode['CONTENTIDS']) ? (string) $elementNode['CONTENTIDS'] : ''); |
||
884 | // Get the file representations from fileSec node. |
||
885 | foreach ($elementNode->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
||
886 | // Check if file has valid @USE attribute. |
||
887 | if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
||
888 | $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
||
889 | } |
||
890 | } |
||
891 | } |
||
892 | // Sort array by keys (= @ORDER). |
||
893 | if (ksort($elements)) { |
||
894 | // Set total number of pages/tracks. |
||
895 | $this->numPages = count($elements); |
||
896 | // Merge and re-index the array to get nice numeric indexes. |
||
897 | $this->physicalStructure = array_merge($physSeq, $elements); |
||
898 | } |
||
899 | } |
||
900 | $this->physicalStructureLoaded = true; |
||
901 | } |
||
902 | return $this->physicalStructure; |
||
903 | } |
||
904 | |||
905 | /** |
||
906 | * {@inheritDoc} |
||
907 | * @see \Kitodo\Dlf\Common\Doc::_getSmLinks() |
||
908 | */ |
||
909 | protected function _getSmLinks() |
||
910 | { |
||
911 | if (!$this->smLinksLoaded) { |
||
912 | $smLinks = $this->mets->xpath('./mets:structLink/mets:smLink'); |
||
913 | if (!empty($smLinks)) { |
||
914 | foreach ($smLinks as $smLink) { |
||
915 | $this->smLinks['l2p'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->from][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->to; |
||
916 | $this->smLinks['p2l'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->to][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->from; |
||
917 | } |
||
918 | } |
||
919 | $this->smLinksLoaded = true; |
||
920 | } |
||
921 | return $this->smLinks; |
||
922 | } |
||
923 | |||
924 | /** |
||
925 | * {@inheritDoc} |
||
926 | * @see \Kitodo\Dlf\Common\Doc::_getThumbnail() |
||
927 | */ |
||
928 | protected function _getThumbnail($forceReload = false) |
||
929 | { |
||
930 | if ( |
||
931 | !$this->thumbnailLoaded |
||
932 | || $forceReload |
||
933 | ) { |
||
934 | // Retain current PID. |
||
935 | $cPid = ($this->cPid ? $this->cPid : $this->pid); |
||
936 | if (!$cPid) { |
||
937 | $this->logger->error('Invalid PID ' . $cPid . ' for structure definitions'); |
||
938 | $this->thumbnailLoaded = true; |
||
939 | return $this->thumbnail; |
||
940 | } |
||
941 | // Load extension configuration. |
||
942 | $extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get(self::$extKey); |
||
943 | if (empty($extConf['fileGrpThumbs'])) { |
||
944 | $this->logger->warning('No fileGrp for thumbnails specified'); |
||
945 | $this->thumbnailLoaded = true; |
||
946 | return $this->thumbnail; |
||
947 | } |
||
948 | $strctId = $this->_getToplevelId(); |
||
949 | $metadata = $this->getTitledata($cPid); |
||
950 | |||
951 | $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
||
952 | ->getQueryBuilderForTable('tx_dlf_structures'); |
||
953 | |||
954 | // Get structure element to get thumbnail from. |
||
955 | $result = $queryBuilder |
||
956 | ->select('tx_dlf_structures.thumbnail AS thumbnail') |
||
957 | ->from('tx_dlf_structures') |
||
958 | ->where( |
||
959 | $queryBuilder->expr()->eq('tx_dlf_structures.pid', intval($cPid)), |
||
960 | $queryBuilder->expr()->eq('tx_dlf_structures.index_name', $queryBuilder->expr()->literal($metadata['type'][0])), |
||
961 | Helper::whereExpression('tx_dlf_structures') |
||
962 | ) |
||
963 | ->setMaxResults(1) |
||
964 | ->execute(); |
||
965 | |||
966 | $allResults = $result->fetchAll(); |
||
967 | |||
968 | if (count($allResults) == 1) { |
||
969 | $resArray = $allResults[0]; |
||
970 | // Get desired thumbnail structure if not the toplevel structure itself. |
||
971 | if (!empty($resArray['thumbnail'])) { |
||
972 | $strctType = Helper::getIndexNameFromUid($resArray['thumbnail'], 'tx_dlf_structures', $cPid); |
||
973 | // Check if this document has a structure element of the desired type. |
||
974 | $strctIds = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@TYPE="' . $strctType . '"]/@ID'); |
||
975 | if (!empty($strctIds)) { |
||
976 | $strctId = (string) $strctIds[0]; |
||
977 | } |
||
978 | } |
||
979 | // Load smLinks. |
||
980 | $this->_getSmLinks(); |
||
981 | // Get thumbnail location. |
||
982 | $fileGrpsThumb = GeneralUtility::trimExplode(',', $extConf['fileGrpThumbs']); |
||
983 | while ($fileGrpThumb = array_shift($fileGrpsThumb)) { |
||
984 | if ( |
||
985 | $this->_getPhysicalStructure() |
||
986 | && !empty($this->smLinks['l2p'][$strctId]) |
||
987 | && !empty($this->physicalStructureInfo[$this->smLinks['l2p'][$strctId][0]]['files'][$fileGrpThumb]) |
||
988 | ) { |
||
989 | $this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->smLinks['l2p'][$strctId][0]]['files'][$fileGrpThumb]); |
||
990 | break; |
||
991 | } elseif (!empty($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$fileGrpThumb])) { |
||
992 | $this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$fileGrpThumb]); |
||
993 | break; |
||
994 | } |
||
995 | } |
||
996 | } else { |
||
997 | $this->logger->error('No structure of type "' . $metadata['type'][0] . '" found in database'); |
||
998 | } |
||
999 | $this->thumbnailLoaded = true; |
||
1000 | } |
||
1001 | return $this->thumbnail; |
||
1002 | } |
||
1003 | |||
1004 | /** |
||
1005 | * {@inheritDoc} |
||
1006 | * @see \Kitodo\Dlf\Common\Doc::_getToplevelId() |
||
1007 | */ |
||
1008 | protected function _getToplevelId() |
||
1009 | { |
||
1010 | if (empty($this->toplevelId)) { |
||
1011 | // Get all logical structure nodes with metadata, but without associated METS-Pointers. |
||
1012 | $divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID and not(./mets:mptr)]'); |
||
1013 | if (!empty($divs)) { |
||
1014 | // Load smLinks. |
||
1015 | $this->_getSmLinks(); |
||
1016 | foreach ($divs as $div) { |
||
1017 | $id = (string) $div['ID']; |
||
1018 | // Are there physical structure nodes for this logical structure? |
||
1019 | if (array_key_exists($id, $this->smLinks['l2p'])) { |
||
1020 | // Yes. That's what we're looking for. |
||
1021 | $this->toplevelId = $id; |
||
1022 | break; |
||
1023 | } elseif (empty($this->toplevelId)) { |
||
1024 | // No. Remember this anyway, but keep looking for a better one. |
||
1025 | $this->toplevelId = $id; |
||
1026 | } |
||
1027 | } |
||
1028 | } |
||
1029 | } |
||
1030 | return $this->toplevelId; |
||
1031 | } |
||
1032 | |||
1033 | /** |
||
1034 | * This magic method is executed prior to any serialization of the object |
||
1035 | * @see __wakeup() |
||
1036 | * |
||
1037 | * @access public |
||
1038 | * |
||
1039 | * @return array Properties to be serialized |
||
1040 | */ |
||
1041 | public function __sleep() |
||
1046 | } |
||
1047 | |||
1048 | /** |
||
1049 | * This magic method is used for setting a string value for the object |
||
1050 | * |
||
1051 | * @access public |
||
1052 | * |
||
1053 | * @return string String representing the METS object |
||
1054 | */ |
||
1055 | public function __toString() |
||
1056 | { |
||
1057 | $xml = new \DOMDocument('1.0', 'utf-8'); |
||
1061 | } |
||
1062 | |||
1063 | /** |
||
1064 | * This magic method is executed after the object is deserialized |
||
1065 | * @see __sleep() |
||
1066 | * |
||
1067 | * @access public |
||
1068 | * |
||
1069 | * @return void |
||
1070 | */ |
||
1071 | public function __wakeup() |
||
1082 | } |
||
1083 | } |
||
1085 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.