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<?php |
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namespace Kitodo\Dlf\Common; |
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use Ubl\Iiif\Tools\IiifHelper; |
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use Ubl\Iiif\Services\AbstractImageService; |
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/** |
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* (c) Kitodo. Key to digital objects e.V. <[email protected]> |
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* |
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* This file is part of the Kitodo and TYPO3 projects. |
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* |
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* @license GNU General Public License version 3 or later. |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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*/ |
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/** |
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* MetsDocument class for the 'dlf' extension. |
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* |
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* @author Sebastian Meyer <[email protected]> |
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* @author Henrik Lochmann <[email protected]> |
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* @package TYPO3 |
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* @subpackage tx_dlf |
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* @access public |
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*/ |
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final class MetsDocument extends Document |
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{ |
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/** |
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* This holds the whole XML file as string for serialization purposes |
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* @see __sleep() / __wakeup() |
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* |
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* @var string |
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* @access protected |
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*/ |
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protected $asXML = ''; |
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/** |
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* This holds the XML file's dmdSec parts with their IDs as array key |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $dmdSec = []; |
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/** |
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* Are the METS file's dmdSecs loaded? |
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* @see $dmdSec |
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* |
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* @var boolean |
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* @access protected |
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*/ |
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protected $dmdSecLoaded = FALSE; |
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/** |
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* The extension key |
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* |
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* @var string |
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* @access public |
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*/ |
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public static $extKey = 'dlf'; |
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/** |
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* This holds the file ID -> USE concordance |
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* @see _getFileGrps() |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $fileGrps = []; |
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/** |
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* Are the file groups loaded? |
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* @see $fileGrps |
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* |
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* @var boolean |
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* @access protected |
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*/ |
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protected $fileGrpsLoaded = FALSE; |
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/** |
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* Are the available metadata formats loaded? |
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* @see $formats |
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* |
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* @var boolean |
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* @access protected |
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*/ |
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protected $formatsLoaded = FALSE; |
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/** |
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* This holds the XML file's METS part as \SimpleXMLElement object |
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* |
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* @var \SimpleXMLElement |
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* @access protected |
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*/ |
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protected $mets; |
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/** |
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* This holds the whole XML file as \SimpleXMLElement object |
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* |
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* @var \SimpleXMLElement |
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* @access protected |
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*/ |
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protected $xml; |
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/** |
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* |
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* {@inheritDoc} |
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* @see \Kitodo\Dlf\Common\Document::establishRecordId() |
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*/ |
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protected function establishRecordId($pid) { |
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// Check for METS object @ID. |
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if (!empty($this->mets['OBJID'])) { |
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$this->recordId = (string) $this->mets['OBJID']; |
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} |
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// Get hook objects. |
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$hookObjects = Helper::getHookObjects('Classes/Common/MetsDocument.php'); |
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// Apply hooks. |
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foreach ($hookObjects as $hookObj) { |
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if (method_exists($hookObj, 'construct_postProcessRecordId')) { |
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$hookObj->construct_postProcessRecordId($this->xml, $this->recordId); |
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} |
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} |
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} |
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/** |
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* |
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* {@inheritDoc} |
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* @see \Kitodo\Dlf\Common\Document::getDownloadLocation() |
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*/ |
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public function getDownloadLocation($id) { |
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$fileMimeType = $this->getFileMimeType($id); |
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$fileLocation = $this->getFileLocation($id); |
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if ($fileMimeType == "application/vnd.kitodo.iiif") { |
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$fileLocation = strrpos($fileLocation, "info.json") == strlen($fileLocation) - 9 ? $fileLocation : |
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strrpos($fileLocation, "/") == strlen($fileLocation) ? $fileLocation."info.json" : $fileLocation."/info.json"; |
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$conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]); |
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IiifHelper::setUrlReader(IiifUrlReader::getInstance()); |
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IiifHelper::setMaxThumbnailHeight($conf['iiifThumbnailHeight']); |
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IiifHelper::setMaxThumbnailWidth($conf['iiifThumbnailWidth']); |
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$service = IiifHelper::loadIiifResource($fileLocation); |
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if ($service != null && $service instanceof AbstractImageService) { |
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return $service->getImageUrl(); |
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} |
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} elseif ($fileMimeType = "application/vnd.netfpx") { |
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$baseURL = $fileLocation.(strpos($fileLocation, "?") === false ? "?" : ""); |
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// 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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return $baseURL."&CVT=jpeg"; |
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} |
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return $fileLocation; |
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} |
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/** |
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* {@inheritDoc} |
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* @see \Kitodo\Dlf\Common\Document::getFileLocation() |
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*/ |
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public function getFileLocation($id) { |
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if (!empty($id) |
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&& ($location = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/mets:FLocat[@LOCTYPE="URL"]'))) { |
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return (string) $location[0]->attributes('http://www.w3.org/1999/xlink')->href; |
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} else { |
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Helper::devLog('There is no file node with @ID "'.$id.'"', DEVLOG_SEVERITY_WARNING); |
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return ''; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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* @see \Kitodo\Dlf\Common\Document::getFileMimeType() |
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*/ |
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public function getFileMimeType($id) { |
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if (!empty($id) |
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&& ($mimetype = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/@MIMETYPE'))) { |
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return (string) $mimetype[0]; |
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} else { |
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Helper::devLog('There is no file node with @ID "'.$id.'" or no MIME type specified', DEVLOG_SEVERITY_WARNING); |
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return ''; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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* @see \Kitodo\Dlf\Common\Document::getLogicalStructure() |
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*/ |
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public function getLogicalStructure($id, $recursive = FALSE) { |
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$details = []; |
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// Is the requested logical unit already loaded? |
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if (!$recursive |
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&& !empty($this->logicalUnits[$id])) { |
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// Yes. Return it. |
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return $this->logicalUnits[$id]; |
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} elseif (!empty($id)) { |
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// Get specified logical unit. |
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$divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]'); |
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} else { |
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// Get all logical units at top level. |
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$divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]/mets:div'); |
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} |
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if (!empty($divs)) { |
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if (!$recursive) { |
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// Get the details for the first xpath hit. |
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$details = $this->getLogicalStructureInfo($divs[0]); |
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} else { |
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// Walk the logical structure recursively and fill the whole table of contents. |
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foreach ($divs as $div) { |
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$this->tableOfContents[] = $this->getLogicalStructureInfo($div, TRUE); |
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} |
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} |
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} |
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return $details; |
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} |
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/** |
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* This gets details about a logical structure element |
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* |
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* @access protected |
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* |
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* @param \SimpleXMLElement $structure: The logical structure node |
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* @param boolean $recursive: Whether to include the child elements |
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* |
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* @return array Array of the element's id, label, type and physical page indexes/mptr link |
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*/ |
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protected function getLogicalStructureInfo(\SimpleXMLElement $structure, $recursive = FALSE) { |
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// Get attributes. |
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foreach ($structure->attributes() as $attribute => $value) { |
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$attributes[$attribute] = (string) $value; |
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} |
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// Load plugin configuration. |
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$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]); |
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// Extract identity information. |
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$details = []; |
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$details['id'] = $attributes['ID']; |
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$details['dmdId'] = (isset($attributes['DMDID']) ? $attributes['DMDID'] : ''); |
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$details['label'] = (isset($attributes['LABEL']) ? $attributes['LABEL'] : ''); |
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$details['orderlabel'] = (isset($attributes['ORDERLABEL']) ? $attributes['ORDERLABEL'] : ''); |
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$details['contentIds'] = (isset($attributes['CONTENTIDS']) ? $attributes['CONTENTIDS'] : ''); |
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$details['volume'] = ''; |
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// Set volume information only if no label is set and this is the toplevel structure element. |
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if (empty($details['label']) |
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&& $details['id'] == $this->_getToplevelId()) { |
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$metadata = $this->getMetadata($details['id']); |
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if (!empty($metadata['volume'][0])) { |
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$details['volume'] = $metadata['volume'][0]; |
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} |
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} |
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$details['pagination'] = ''; |
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$details['type'] = $attributes['TYPE']; |
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$details['thumbnailId'] = ''; |
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// Load smLinks. |
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$this->_getSmLinks(); |
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// Load physical structure. |
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$this->_getPhysicalStructure(); |
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// Get the physical page or external file this structure element is pointing at. |
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$details['points'] = ''; |
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// Is there a mptr node? |
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if (count($structure->children('http://www.loc.gov/METS/')->mptr)) { |
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// Yes. Get the file reference. |
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$details['points'] = (string) $structure->children('http://www.loc.gov/METS/')->mptr[0]->attributes('http://www.w3.org/1999/xlink')->href; |
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} elseif (!empty($this->physicalStructure) |
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&& array_key_exists($details['id'], $this->smLinks['l2p'])) { // Are there any physical elements and is this logical unit linked to at least one of them? |
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$details['points'] = max(intval(array_search($this->smLinks['l2p'][$details['id']][0], $this->physicalStructure, TRUE)), 1); |
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if (!empty($this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']])) { |
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$details['thumbnailId'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']]; |
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} |
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// Get page/track number of the first page/track related to this structure element. |
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$details['pagination'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['orderlabel']; |
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} elseif ($details['id'] == $this->_getToplevelId()) { // Is this the toplevel structure element? |
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// Yes. Point to itself. |
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$details['points'] = 1; |
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if (!empty($this->physicalStructure) |
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&& !empty($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']])) { |
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$details['thumbnailId'] = $this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']]; |
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} |
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} |
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// Get the files this structure element is pointing at. |
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$details['files'] = []; |
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$fileUse = $this->_getFileGrps(); |
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// Get the file representations from fileSec node. |
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foreach ($structure->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
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// Check if file has valid @USE attribute. |
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if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
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$details['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
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} |
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} |
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// Keep for later usage. |
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$this->logicalUnits[$details['id']] = $details; |
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// Walk the structure recursively? And are there any children of the current element? |
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if ($recursive |
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&& count($structure->children('http://www.loc.gov/METS/')->div)) { |
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$details['children'] = []; |
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foreach ($structure->children('http://www.loc.gov/METS/')->div as $child) { |
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// Repeat for all children. |
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$details['children'][] = $this->getLogicalStructureInfo($child, TRUE); |
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} |
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} |
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return $details; |
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} |
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/** |
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* {@inheritDoc} |
|
300
|
|
|
* @see \Kitodo\Dlf\Common\Document::getMetadata() |
|
301
|
|
|
*/ |
|
302
|
|
|
public function getMetadata($id, $cPid = 0) { |
|
303
|
|
|
// Make sure $cPid is a non-negative integer. |
|
304
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|
|
$cPid = max(intval($cPid), 0); |
|
305
|
|
|
// If $cPid is not given, try to get it elsewhere. |
|
306
|
|
|
if (!$cPid |
|
307
|
|
|
&& ($this->cPid || $this->pid)) { |
|
308
|
|
|
// Retain current PID. |
|
309
|
|
|
$cPid = ($this->cPid ? $this->cPid : $this->pid); |
|
310
|
|
|
} elseif (!$cPid) { |
|
311
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|
|
Helper::devLog('Invalid PID '.$cPid.' for metadata definitions', DEVLOG_SEVERITY_WARNING); |
|
312
|
|
|
return []; |
|
313
|
|
|
} |
|
314
|
|
|
// Get metadata from parsed metadata array if available. |
|
315
|
|
|
if (!empty($this->metadataArray[$id]) |
|
316
|
|
|
&& $this->metadataArray[0] == $cPid) { |
|
317
|
|
|
return $this->metadataArray[$id]; |
|
318
|
|
|
} |
|
319
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|
|
// Initialize metadata array with empty values. |
|
320
|
|
|
$metadata = [ |
|
321
|
|
|
'title' => [], |
|
322
|
|
|
'title_sorting' => [], |
|
323
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|
|
'author' => [], |
|
324
|
|
|
'place' => [], |
|
325
|
|
|
'year' => [], |
|
326
|
|
|
'prod_id' => [], |
|
327
|
|
|
'record_id' => [], |
|
328
|
|
|
'opac_id' => [], |
|
329
|
|
|
'union_id' => [], |
|
330
|
|
|
'urn' => [], |
|
331
|
|
|
'purl' => [], |
|
332
|
|
|
'type' => [], |
|
333
|
|
|
'volume' => [], |
|
334
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|
|
'volume_sorting' => [], |
|
335
|
|
|
'collection' => [], |
|
336
|
|
|
'owner' => [], |
|
337
|
|
|
'document_format' => [], |
|
338
|
|
|
]; |
|
339
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|
|
$metadata['document_format'][] = 'METS'; |
|
340
|
|
|
// Get the logical structure node's DMDID. |
|
341
|
|
|
if (!empty($this->logicalUnits[$id])) { |
|
342
|
|
|
$dmdId = $this->logicalUnits[$id]['dmdId']; |
|
343
|
|
|
} else { |
|
344
|
|
|
$dmdId = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@DMDID'); |
|
345
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|
|
$dmdId = (string) $dmdId[0]; |
|
346
|
|
|
} |
|
347
|
|
|
if (!empty($dmdId)) { |
|
348
|
|
|
// Load available metadata formats and dmdSecs. |
|
349
|
|
|
$this->loadFormats(); |
|
350
|
|
|
$this->_getDmdSec(); |
|
351
|
|
|
// Is this metadata format supported? |
|
352
|
|
|
if (!empty($this->formats[$this->dmdSec[$dmdId]['type']])) { |
|
353
|
|
|
if (!empty($this->formats[$this->dmdSec[$dmdId]['type']]['class'])) { |
|
354
|
|
|
$class = $this->formats[$this->dmdSec[$dmdId]['type']]['class']; |
|
355
|
|
|
// Get the metadata from class. |
|
356
|
|
|
if (class_exists($class) |
|
357
|
|
|
&& ($obj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($class)) instanceof MetadataInterface) { |
|
358
|
|
|
$obj->extractMetadata($this->dmdSec[$dmdId]['xml'], $metadata); |
|
359
|
|
|
} else { |
|
360
|
|
|
Helper::devLog('Invalid class/method "'.$class.'->extractMetadata()" for metadata format "'.$this->dmdSec[$dmdId]['type'].'"', DEVLOG_SEVERITY_WARNING); |
|
361
|
|
|
} |
|
362
|
|
|
} |
|
363
|
|
|
} else { |
|
364
|
|
|
Helper::devLog('Unsupported metadata format "'.$this->dmdSec[$dmdId]['type'].'" in dmdSec with @ID "'.$dmdId.'"', DEVLOG_SEVERITY_WARNING); |
|
365
|
|
|
return []; |
|
366
|
|
|
} |
|
367
|
|
|
// Get the structure's type. |
|
368
|
|
|
if (!empty($this->logicalUnits[$id])) { |
|
369
|
|
|
$metadata['type'] = [$this->logicalUnits[$id]['type']]; |
|
370
|
|
|
} else { |
|
371
|
|
|
$struct = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@TYPE'); |
|
372
|
|
|
$metadata['type'] = [(string) $struct[0]]; |
|
373
|
|
|
} |
|
374
|
|
|
// Get the additional metadata from database. |
|
375
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
|
376
|
|
|
'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadataformat.xpath AS xpath,tx_dlf_metadataformat.xpath_sorting AS xpath_sorting,tx_dlf_metadata.is_sortable AS is_sortable,tx_dlf_metadata.default_value AS default_value,tx_dlf_metadata.format AS format', |
|
377
|
|
|
'tx_dlf_metadata,tx_dlf_metadataformat,tx_dlf_formats', |
|
378
|
|
|
'tx_dlf_metadata.pid='.$cPid |
|
379
|
|
|
.' AND tx_dlf_metadataformat.pid='.$cPid |
|
380
|
|
|
.' AND ((tx_dlf_metadata.uid=tx_dlf_metadataformat.parent_id AND tx_dlf_metadataformat.encoded=tx_dlf_formats.uid AND tx_dlf_formats.type='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->dmdSec[$dmdId]['type'], 'tx_dlf_formats').') OR tx_dlf_metadata.format=0)' |
|
381
|
|
|
.Helper::whereClause('tx_dlf_metadata', TRUE) |
|
382
|
|
|
.Helper::whereClause('tx_dlf_metadataformat') |
|
383
|
|
|
.Helper::whereClause('tx_dlf_formats'), |
|
384
|
|
|
'', |
|
385
|
|
|
'', |
|
386
|
|
|
'' |
|
387
|
|
|
); |
|
388
|
|
|
// We need a \DOMDocument here, because SimpleXML doesn't support XPath functions properly. |
|
389
|
|
|
$domNode = dom_import_simplexml($this->dmdSec[$dmdId]['xml']); |
|
390
|
|
|
$domXPath = new \DOMXPath($domNode->ownerDocument); |
|
391
|
|
|
$this->registerNamespaces($domXPath); |
|
392
|
|
|
// OK, now make the XPath queries. |
|
393
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) { |
|
394
|
|
|
// Set metadata field's value(s). |
|
395
|
|
|
if ($resArray['format'] > 0 |
|
396
|
|
|
&& !empty($resArray['xpath']) |
|
397
|
|
|
&& ($values = $domXPath->evaluate($resArray['xpath'], $domNode))) { |
|
398
|
|
|
if ($values instanceof \DOMNodeList |
|
399
|
|
|
&& $values->length > 0) { |
|
400
|
|
|
$metadata[$resArray['index_name']] = []; |
|
401
|
|
|
foreach ($values as $value) { |
|
402
|
|
|
$metadata[$resArray['index_name']][] = trim((string) $value->nodeValue); |
|
403
|
|
|
} |
|
404
|
|
|
} elseif (!($values instanceof \DOMNodeList)) { |
|
405
|
|
|
$metadata[$resArray['index_name']] = [trim((string) $values)]; |
|
406
|
|
|
} |
|
407
|
|
|
} |
|
408
|
|
|
// Set default value if applicable. |
|
409
|
|
|
if (empty($metadata[$resArray['index_name']][0]) |
|
410
|
|
|
&& strlen($resArray['default_value']) > 0) { |
|
411
|
|
|
$metadata[$resArray['index_name']] = [$resArray['default_value']]; |
|
412
|
|
|
} |
|
413
|
|
|
// Set sorting value if applicable. |
|
414
|
|
|
if (!empty($metadata[$resArray['index_name']]) |
|
415
|
|
|
&& $resArray['is_sortable']) { |
|
416
|
|
|
if ($resArray['format'] > 0 |
|
417
|
|
|
&& !empty($resArray['xpath_sorting']) |
|
418
|
|
|
&& ($values = $domXPath->evaluate($resArray['xpath_sorting'], $domNode))) { |
|
419
|
|
|
if ($values instanceof \DOMNodeList |
|
420
|
|
|
&& $values->length > 0) { |
|
421
|
|
|
$metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values->item(0)->nodeValue); |
|
422
|
|
|
} elseif (!($values instanceof \DOMNodeList)) { |
|
423
|
|
|
$metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values); |
|
424
|
|
|
} |
|
425
|
|
|
} |
|
426
|
|
|
if (empty($metadata[$resArray['index_name'].'_sorting'][0])) { |
|
427
|
|
|
$metadata[$resArray['index_name'].'_sorting'][0] = $metadata[$resArray['index_name']][0]; |
|
428
|
|
|
} |
|
429
|
|
|
} |
|
430
|
|
|
} |
|
431
|
|
|
// Set title to empty string if not present. |
|
432
|
|
|
if (empty($metadata['title'][0])) { |
|
433
|
|
|
$metadata['title'][0] = ''; |
|
434
|
|
|
$metadata['title_sorting'][0] = ''; |
|
435
|
|
|
} |
|
436
|
|
|
// Add collections from database to toplevel element if document is already saved. |
|
437
|
|
|
if (\TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->uid) |
|
438
|
|
|
&& $id == $this->_getToplevelId()) { |
|
439
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query( |
|
440
|
|
|
'tx_dlf_collections.index_name AS index_name', |
|
441
|
|
|
'tx_dlf_documents', |
|
442
|
|
|
'tx_dlf_relations', |
|
443
|
|
|
'tx_dlf_collections', |
|
444
|
|
|
'AND tx_dlf_collections.pid='.intval($cPid) |
|
445
|
|
|
.' AND tx_dlf_documents.uid='.intval($this->uid) |
|
446
|
|
|
.' AND tx_dlf_relations.ident='.$GLOBALS['TYPO3_DB']->fullQuoteStr('docs_colls', 'tx_dlf_relations') |
|
447
|
|
|
.' AND tx_dlf_collections.sys_language_uid IN (-1,0)' |
|
448
|
|
|
.Helper::whereClause('tx_dlf_documents') |
|
449
|
|
|
.Helper::whereClause('tx_dlf_collections'), |
|
450
|
|
|
'tx_dlf_collections.index_name', |
|
451
|
|
|
'', |
|
452
|
|
|
'' |
|
453
|
|
|
); |
|
454
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) { |
|
455
|
|
|
if (!in_array($resArray['index_name'], $metadata['collection'])) { |
|
456
|
|
|
$metadata['collection'][] = $resArray['index_name']; |
|
457
|
|
|
} |
|
458
|
|
|
} |
|
459
|
|
|
} |
|
460
|
|
|
} else { |
|
461
|
|
|
// There is no dmdSec for this structure node. |
|
462
|
|
|
return []; |
|
463
|
|
|
} |
|
464
|
|
|
return $metadata; |
|
465
|
|
|
} |
|
466
|
|
|
|
|
467
|
|
|
/** |
|
468
|
|
|
* {@inheritDoc} |
|
469
|
|
|
* @see \Kitodo\Dlf\Common\Document::getRawText() |
|
470
|
|
|
*/ |
|
471
|
|
|
public function getRawText($id) { |
|
472
|
|
|
$rawText = ''; |
|
473
|
|
|
// Get text from raw text array if available. |
|
474
|
|
|
if (!empty($this->rawTextArray[$id])) { |
|
475
|
|
|
return $this->rawTextArray[$id]; |
|
476
|
|
|
} |
|
477
|
|
|
// Load fileGrps and check for fulltext files. |
|
478
|
|
|
$this->_getFileGrps(); |
|
479
|
|
|
if ($this->hasFulltext) { |
|
480
|
|
|
$rawText = $this->getRawTextFromXml($id); |
|
481
|
|
|
} |
|
482
|
|
|
return $rawText; |
|
483
|
|
|
} |
|
484
|
|
|
|
|
485
|
|
|
/** |
|
486
|
|
|
* {@inheritDoc} |
|
487
|
|
|
* @see Document::getStructureDepth() |
|
488
|
|
|
*/ |
|
489
|
|
|
public function getStructureDepth($logId) |
|
490
|
|
|
{ |
|
491
|
|
|
return count($this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$logId.'"]/ancestor::*')); |
|
492
|
|
|
} |
|
493
|
|
|
|
|
494
|
|
|
/** |
|
495
|
|
|
* {@inheritDoc} |
|
496
|
|
|
* @see \Kitodo\Dlf\Common\Document::init() |
|
497
|
|
|
*/ |
|
498
|
|
|
protected function init() { |
|
499
|
|
|
// Get METS node from XML file. |
|
500
|
|
|
$this->registerNamespaces($this->xml); |
|
501
|
|
|
$mets = $this->xml->xpath('//mets:mets'); |
|
502
|
|
|
if ($mets) { |
|
503
|
|
|
$this->mets = $mets[0]; |
|
504
|
|
|
// Register namespaces. |
|
505
|
|
|
$this->registerNamespaces($this->mets); |
|
506
|
|
|
} else { |
|
507
|
|
|
Helper::devLog('No METS part found in document with UID '.$this->uid, DEVLOG_SEVERITY_ERROR); |
|
508
|
|
|
} |
|
509
|
|
|
} |
|
510
|
|
|
|
|
511
|
|
|
/** |
|
512
|
|
|
* {@inheritDoc} |
|
513
|
|
|
* @see \Kitodo\Dlf\Common\Document::loadLocation() |
|
514
|
|
|
*/ |
|
515
|
|
|
protected function loadLocation($location) { |
|
516
|
|
|
// Turn off libxml's error logging. |
|
517
|
|
|
$libxmlErrors = libxml_use_internal_errors(TRUE); |
|
518
|
|
|
// Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept |
|
519
|
|
|
$previousValueOfEntityLoader = libxml_disable_entity_loader(TRUE); |
|
520
|
|
|
// Load XML from file. |
|
521
|
|
|
$xml = simplexml_load_string(\TYPO3\CMS\Core\Utility\GeneralUtility::getUrl($location)); |
|
|
|
|
|
|
522
|
|
|
// reset entity loader setting |
|
523
|
|
|
libxml_disable_entity_loader($previousValueOfEntityLoader); |
|
524
|
|
|
// Reset libxml's error logging. |
|
525
|
|
|
libxml_use_internal_errors($libxmlErrors); |
|
526
|
|
|
// Set some basic properties. |
|
527
|
|
|
if ($xml !== FALSE) { |
|
528
|
|
|
$this->xml = $xml; |
|
529
|
|
|
return TRUE; |
|
530
|
|
|
} else { |
|
531
|
|
|
Helper::devLog('Could not load XML file from "'.$location.'"', DEVLOG_SEVERITY_ERROR); |
|
532
|
|
|
} |
|
533
|
|
|
} |
|
534
|
|
|
|
|
535
|
|
|
/** |
|
536
|
|
|
* {@inheritDoc} |
|
537
|
|
|
* @see \Kitodo\Dlf\Common\Document::ensureHasFulltextIsSet() |
|
538
|
|
|
*/ |
|
539
|
|
|
protected function ensureHasFulltextIsSet() { |
|
540
|
|
|
// Are the fileGrps already loaded? |
|
541
|
|
|
if (!$this->fileGrpsLoaded) { |
|
542
|
|
|
$this->_getFileGrps(); |
|
543
|
|
|
} |
|
544
|
|
|
} |
|
545
|
|
|
|
|
546
|
|
|
/** |
|
547
|
|
|
* {@inheritDoc} |
|
548
|
|
|
* @see Document::getParentDocumentUid() |
|
549
|
|
|
*/ |
|
550
|
|
|
protected function getParentDocumentUidForSaving($pid, $core) |
|
551
|
|
|
{ |
|
552
|
|
|
$partof = 0; |
|
553
|
|
|
// Get the closest ancestor of the current document which has a MPTR child. |
|
554
|
|
|
$parentMptr = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$this->_getToplevelId().'"]/ancestor::mets:div[./mets:mptr][1]/mets:mptr'); |
|
555
|
|
|
if (!empty($parentMptr[0])) { |
|
556
|
|
|
$parentLocation = (string) $parentMptr[0]->attributes('http://www.w3.org/1999/xlink')->href; |
|
557
|
|
|
if ($parentLocation != $this->location) { |
|
558
|
|
|
$parentDoc = self::getInstance($parentLocation, $pid); |
|
559
|
|
|
if ($parentDoc->ready) { |
|
560
|
|
|
if ($parentDoc->pid != $pid) { |
|
561
|
|
|
$parentDoc->save($pid, $core); |
|
562
|
|
|
} |
|
563
|
|
|
$partof = $parentDoc->uid; |
|
564
|
|
|
} |
|
565
|
|
|
} |
|
566
|
|
|
} |
|
567
|
|
|
return $partof; |
|
568
|
|
|
} |
|
569
|
|
|
|
|
570
|
|
|
/** |
|
571
|
|
|
* {@inheritDoc} |
|
572
|
|
|
* @see Document::setPreloadedDocument() |
|
573
|
|
|
*/ |
|
574
|
|
|
protected function setPreloadedDocument($preloadedDocument) { |
|
575
|
|
|
|
|
576
|
|
|
if ($preloadedDocument instanceof \SimpleXMLElement) { |
|
577
|
|
|
$this->xml = $preloadedDocument; |
|
578
|
|
|
return true; |
|
579
|
|
|
} |
|
580
|
|
|
return false; |
|
581
|
|
|
} |
|
582
|
|
|
|
|
583
|
|
|
/** |
|
584
|
|
|
* {@inheritDoc} |
|
585
|
|
|
* @see Document::getDocument() |
|
586
|
|
|
*/ |
|
587
|
|
|
protected function getDocument() { |
|
588
|
|
|
return $this->mets; |
|
589
|
|
|
} |
|
590
|
|
|
|
|
591
|
|
|
/** |
|
592
|
|
|
* This returns $this->cPid via __get() |
|
593
|
|
|
* |
|
594
|
|
|
* @access protected |
|
595
|
|
|
* |
|
596
|
|
|
* @return integer The PID of the metadata definitions |
|
597
|
|
|
*/ |
|
598
|
|
|
protected function _getCPid() { |
|
599
|
|
|
return $this->cPid; |
|
600
|
|
|
} |
|
601
|
|
|
|
|
602
|
|
|
/** |
|
603
|
|
|
* This builds an array of the document's dmdSecs |
|
604
|
|
|
* |
|
605
|
|
|
* @access protected |
|
606
|
|
|
* |
|
607
|
|
|
* @return array Array of dmdSecs with their IDs as array key |
|
608
|
|
|
*/ |
|
609
|
|
|
protected function _getDmdSec() { |
|
610
|
|
|
if (!$this->dmdSecLoaded) { |
|
611
|
|
|
// Get available data formats. |
|
612
|
|
|
$this->loadFormats(); |
|
613
|
|
|
// Get dmdSec nodes from METS. |
|
614
|
|
|
$dmdIds = $this->mets->xpath('./mets:dmdSec/@ID'); |
|
615
|
|
|
foreach ($dmdIds as $dmdId) { |
|
616
|
|
|
if ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[not(@MDTYPE="OTHER")]/@MDTYPE')) { |
|
617
|
|
|
if (!empty($this->formats[(string) $type[0]])) { |
|
618
|
|
|
$type = (string) $type[0]; |
|
619
|
|
|
$xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']); |
|
620
|
|
|
} |
|
621
|
|
|
} elseif ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"]/@OTHERMDTYPE')) { |
|
622
|
|
|
if (!empty($this->formats[(string) $type[0]])) { |
|
623
|
|
|
$type = (string) $type[0]; |
|
624
|
|
|
$xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"][@OTHERMDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']); |
|
625
|
|
|
} |
|
626
|
|
|
} |
|
627
|
|
|
if ($xml) { |
|
|
|
|
|
|
628
|
|
|
$this->dmdSec[(string) $dmdId]['type'] = $type; |
|
629
|
|
|
$this->dmdSec[(string) $dmdId]['xml'] = $xml[0]; |
|
630
|
|
|
$this->registerNamespaces($this->dmdSec[(string) $dmdId]['xml']); |
|
631
|
|
|
} |
|
632
|
|
|
} |
|
633
|
|
|
$this->dmdSecLoaded = TRUE; |
|
634
|
|
|
} |
|
635
|
|
|
return $this->dmdSec; |
|
636
|
|
|
} |
|
637
|
|
|
|
|
638
|
|
|
/** |
|
639
|
|
|
* This builds the file ID -> USE concordance |
|
640
|
|
|
* |
|
641
|
|
|
* @access protected |
|
642
|
|
|
* |
|
643
|
|
|
* @return array Array of file use groups with file IDs |
|
644
|
|
|
*/ |
|
645
|
|
|
protected function _getFileGrps() { |
|
646
|
|
|
if (!$this->fileGrpsLoaded) { |
|
647
|
|
|
// Get configured USE attributes. |
|
648
|
|
|
$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]); |
|
649
|
|
|
$useGrps = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $extConf['fileGrps']); |
|
650
|
|
|
if (!empty($extConf['fileGrpThumbs'])) { |
|
651
|
|
|
$useGrps[] = $extConf['fileGrpThumbs']; |
|
652
|
|
|
} |
|
653
|
|
|
if (!empty($extConf['fileGrpDownload'])) { |
|
654
|
|
|
$useGrps[] = $extConf['fileGrpDownload']; |
|
655
|
|
|
} |
|
656
|
|
|
if (!empty($extConf['fileGrpFulltext'])) { |
|
657
|
|
|
$useGrps[] = $extConf['fileGrpFulltext']; |
|
658
|
|
|
} |
|
659
|
|
|
if (!empty($extConf['fileGrpAudio'])) { |
|
660
|
|
|
$useGrps[] = $extConf['fileGrpAudio']; |
|
661
|
|
|
} |
|
662
|
|
|
// Get all file groups. |
|
663
|
|
|
$fileGrps = $this->mets->xpath('./mets:fileSec/mets:fileGrp'); |
|
664
|
|
|
// Build concordance for configured USE attributes. |
|
665
|
|
|
foreach ($fileGrps as $fileGrp) { |
|
666
|
|
|
if (in_array((string) $fileGrp['USE'], $useGrps)) { |
|
667
|
|
|
foreach ($fileGrp->children('http://www.loc.gov/METS/')->file as $file) { |
|
668
|
|
|
$this->fileGrps[(string) $file->attributes()->ID] = (string) $fileGrp['USE']; |
|
669
|
|
|
} |
|
670
|
|
|
} |
|
671
|
|
|
} |
|
672
|
|
|
// Are there any fulltext files available? |
|
673
|
|
|
if (!empty($extConf['fileGrpFulltext']) |
|
674
|
|
|
&& in_array($extConf['fileGrpFulltext'], $this->fileGrps)) { |
|
675
|
|
|
$this->hasFulltext = TRUE; |
|
676
|
|
|
} |
|
677
|
|
|
$this->fileGrpsLoaded = TRUE; |
|
678
|
|
|
} |
|
679
|
|
|
return $this->fileGrps; |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
|
|
/** |
|
683
|
|
|
* {@inheritDoc} |
|
684
|
|
|
* @see \Kitodo\Dlf\Common\Document::prepareMetadataArray() |
|
685
|
|
|
*/ |
|
686
|
|
|
protected function prepareMetadataArray($cPid) { |
|
687
|
|
|
// Get all logical structure nodes with metadata. |
|
688
|
|
|
if (($ids = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID]/@ID'))) { |
|
689
|
|
|
foreach ($ids as $id) { |
|
690
|
|
|
$this->metadataArray[(string) $id] = $this->getMetadata((string) $id, $cPid); |
|
691
|
|
|
} |
|
692
|
|
|
} |
|
693
|
|
|
// Set current PID for metadata definitions. |
|
694
|
|
|
} |
|
695
|
|
|
|
|
696
|
|
|
/** |
|
697
|
|
|
* This returns $this->mets via __get() |
|
698
|
|
|
* |
|
699
|
|
|
* @access protected |
|
700
|
|
|
* |
|
701
|
|
|
* @return \SimpleXMLElement The XML's METS part as \SimpleXMLElement object |
|
702
|
|
|
*/ |
|
703
|
|
|
protected function _getMets() { |
|
704
|
|
|
return $this->mets; |
|
705
|
|
|
} |
|
706
|
|
|
|
|
707
|
|
|
/** |
|
708
|
|
|
* {@inheritDoc} |
|
709
|
|
|
* @see \Kitodo\Dlf\Common\Document::_getPhysicalStructure() |
|
710
|
|
|
*/ |
|
711
|
|
|
protected function _getPhysicalStructure() { |
|
712
|
|
|
// Is there no physical structure array yet? |
|
713
|
|
|
if (!$this->physicalStructureLoaded) { |
|
714
|
|
|
// Does the document have a structMap node of type "PHYSICAL"? |
|
715
|
|
|
$elementNodes = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]/mets:div'); |
|
716
|
|
|
if ($elementNodes) { |
|
|
|
|
|
|
717
|
|
|
// Get file groups. |
|
718
|
|
|
$fileUse = $this->_getFileGrps(); |
|
719
|
|
|
// Get the physical sequence's metadata. |
|
720
|
|
|
$physNode = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]'); |
|
721
|
|
|
$physSeq[0] = (string) $physNode[0]['ID']; |
|
|
|
|
|
|
722
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['id'] = (string) $physNode[0]['ID']; |
|
723
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['dmdId'] = (isset($physNode[0]['DMDID']) ? (string) $physNode[0]['DMDID'] : ''); |
|
724
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['label'] = (isset($physNode[0]['LABEL']) ? (string) $physNode[0]['LABEL'] : ''); |
|
725
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['orderlabel'] = (isset($physNode[0]['ORDERLABEL']) ? (string) $physNode[0]['ORDERLABEL'] : ''); |
|
726
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['type'] = (string) $physNode[0]['TYPE']; |
|
727
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['contentIds'] = (isset($physNode[0]['CONTENTIDS']) ? (string) $physNode[0]['CONTENTIDS'] : ''); |
|
728
|
|
|
// Get the file representations from fileSec node. |
|
729
|
|
|
foreach ($physNode[0]->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
|
730
|
|
|
// Check if file has valid @USE attribute. |
|
731
|
|
|
if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
|
732
|
|
|
$this->physicalStructureInfo[$physSeq[0]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
|
733
|
|
|
} |
|
734
|
|
|
} |
|
735
|
|
|
// Build the physical elements' array from the physical structMap node. |
|
736
|
|
|
foreach ($elementNodes as $elementNode) { |
|
737
|
|
|
$elements[(int) $elementNode['ORDER']] = (string) $elementNode['ID']; |
|
738
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['id'] = (string) $elementNode['ID']; |
|
|
|
|
|
|
739
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['dmdId'] = (isset($elementNode['DMDID']) ? (string) $elementNode['DMDID'] : ''); |
|
740
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['label'] = (isset($elementNode['LABEL']) ? (string) $elementNode['LABEL'] : ''); |
|
741
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['orderlabel'] = (isset($elementNode['ORDERLABEL']) ? (string) $elementNode['ORDERLABEL'] : ''); |
|
742
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['type'] = (string) $elementNode['TYPE']; |
|
743
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['contentIds'] = (isset($elementNode['CONTENTIDS']) ? (string) $elementNode['CONTENTIDS'] : ''); |
|
744
|
|
|
// Get the file representations from fileSec node. |
|
745
|
|
|
foreach ($elementNode->children('http://www.loc.gov/METS/')->fptr as $fptr) { |
|
746
|
|
|
// Check if file has valid @USE attribute. |
|
747
|
|
|
if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) { |
|
748
|
|
|
$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID; |
|
749
|
|
|
} |
|
750
|
|
|
} |
|
751
|
|
|
} |
|
752
|
|
|
// Sort array by keys (= @ORDER). |
|
753
|
|
|
if (ksort($elements)) { |
|
754
|
|
|
// Set total number of pages/tracks. |
|
755
|
|
|
$this->numPages = count($elements); |
|
756
|
|
|
// Merge and re-index the array to get nice numeric indexes. |
|
757
|
|
|
$this->physicalStructure = array_merge($physSeq, $elements); |
|
758
|
|
|
} |
|
759
|
|
|
} |
|
760
|
|
|
$this->physicalStructureLoaded = TRUE; |
|
761
|
|
|
} |
|
762
|
|
|
return $this->physicalStructure; |
|
763
|
|
|
} |
|
764
|
|
|
|
|
765
|
|
|
/** |
|
766
|
|
|
* {@inheritDoc} |
|
767
|
|
|
* @see \Kitodo\Dlf\Common\Document::_getSmLinks() |
|
768
|
|
|
*/ |
|
769
|
|
|
protected function _getSmLinks() { |
|
770
|
|
|
if (!$this->smLinksLoaded) { |
|
771
|
|
|
$smLinks = $this->mets->xpath('./mets:structLink/mets:smLink'); |
|
772
|
|
|
foreach ($smLinks as $smLink) { |
|
773
|
|
|
$this->smLinks['l2p'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->from][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->to; |
|
774
|
|
|
$this->smLinks['p2l'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->to][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->from; |
|
775
|
|
|
} |
|
776
|
|
|
$this->smLinksLoaded = TRUE; |
|
777
|
|
|
} |
|
778
|
|
|
return $this->smLinks; |
|
779
|
|
|
} |
|
780
|
|
|
|
|
781
|
|
|
/** |
|
782
|
|
|
* {@inheritDoc} |
|
783
|
|
|
* @see \Kitodo\Dlf\Common\Document::_getThumbnail() |
|
784
|
|
|
*/ |
|
785
|
|
|
protected function _getThumbnail($forceReload = FALSE) { |
|
786
|
|
|
if (!$this->thumbnailLoaded |
|
787
|
|
|
|| $forceReload) { |
|
788
|
|
|
// Retain current PID. |
|
789
|
|
|
$cPid = ($this->cPid ? $this->cPid : $this->pid); |
|
790
|
|
|
if (!$cPid) { |
|
791
|
|
|
Helper::devLog('Invalid PID '.$cPid.' for structure definitions', DEVLOG_SEVERITY_ERROR); |
|
792
|
|
|
$this->thumbnailLoaded = TRUE; |
|
793
|
|
|
return $this->thumbnail; |
|
794
|
|
|
} |
|
795
|
|
|
// Load extension configuration. |
|
796
|
|
|
$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]); |
|
797
|
|
|
if (empty($extConf['fileGrpThumbs'])) { |
|
798
|
|
|
Helper::devLog('No fileGrp for thumbnails specified', DEVLOG_SEVERITY_WARNING); |
|
799
|
|
|
$this->thumbnailLoaded = TRUE; |
|
800
|
|
|
return $this->thumbnail; |
|
801
|
|
|
} |
|
802
|
|
|
$strctId = $this->_getToplevelId(); |
|
803
|
|
|
$metadata = $this->getTitledata($cPid); |
|
804
|
|
|
// Get structure element to get thumbnail from. |
|
805
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
|
806
|
|
|
'tx_dlf_structures.thumbnail AS thumbnail', |
|
807
|
|
|
'tx_dlf_structures', |
|
808
|
|
|
'tx_dlf_structures.pid='.intval($cPid) |
|
809
|
|
|
.' AND tx_dlf_structures.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures') |
|
810
|
|
|
.Helper::whereClause('tx_dlf_structures'), |
|
811
|
|
|
'', |
|
812
|
|
|
'', |
|
813
|
|
|
'1' |
|
814
|
|
|
); |
|
815
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) { |
|
816
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
|
817
|
|
|
// Get desired thumbnail structure if not the toplevel structure itself. |
|
818
|
|
|
if (!empty($resArray['thumbnail'])) { |
|
819
|
|
|
$strctType = Helper::getIndexNameFromUid($resArray['thumbnail'], 'tx_dlf_structures', $cPid); |
|
820
|
|
|
// Check if this document has a structure element of the desired type. |
|
821
|
|
|
$strctIds = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@TYPE="'.$strctType.'"]/@ID'); |
|
822
|
|
|
if (!empty($strctIds)) { |
|
823
|
|
|
$strctId = (string) $strctIds[0]; |
|
824
|
|
|
} |
|
825
|
|
|
} |
|
826
|
|
|
// Load smLinks. |
|
827
|
|
|
$this->_getSmLinks(); |
|
828
|
|
|
// Get thumbnail location. |
|
829
|
|
|
if ($this->_getPhysicalStructure() |
|
830
|
|
|
&& !empty($this->smLinks['l2p'][$strctId])) { |
|
831
|
|
|
$this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->smLinks['l2p'][$strctId][0]]['files'][$extConf['fileGrpThumbs']]); |
|
832
|
|
|
} else { |
|
833
|
|
|
$this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']]); |
|
834
|
|
|
} |
|
835
|
|
|
} else { |
|
836
|
|
|
Helper::devLog('No structure of type "'.$metadata['type'][0].'" found in database', DEVLOG_SEVERITY_ERROR); |
|
837
|
|
|
} |
|
838
|
|
|
$this->thumbnailLoaded = TRUE; |
|
839
|
|
|
} |
|
840
|
|
|
return $this->thumbnail; |
|
841
|
|
|
} |
|
842
|
|
|
|
|
843
|
|
|
/** |
|
844
|
|
|
* {@inheritDoc} |
|
845
|
|
|
* @see \Kitodo\Dlf\Common\Document::_getToplevelId() |
|
846
|
|
|
*/ |
|
847
|
|
|
protected function _getToplevelId() { |
|
848
|
|
|
if (empty($this->toplevelId)) { |
|
849
|
|
|
// Get all logical structure nodes with metadata, but without associated METS-Pointers. |
|
850
|
|
|
if (($divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID and not(./mets:mptr)]'))) { |
|
851
|
|
|
// Load smLinks. |
|
852
|
|
|
$this->_getSmLinks(); |
|
853
|
|
|
foreach ($divs as $div) { |
|
854
|
|
|
$id = (string) $div['ID']; |
|
855
|
|
|
// Are there physical structure nodes for this logical structure? |
|
856
|
|
|
if (array_key_exists($id, $this->smLinks['l2p'])) { |
|
857
|
|
|
// Yes. That's what we're looking for. |
|
858
|
|
|
$this->toplevelId = $id; |
|
859
|
|
|
break; |
|
860
|
|
|
} elseif (empty($this->toplevelId)) { |
|
861
|
|
|
// No. Remember this anyway, but keep looking for a better one. |
|
862
|
|
|
$this->toplevelId = $id; |
|
863
|
|
|
} |
|
864
|
|
|
} |
|
865
|
|
|
} |
|
866
|
|
|
} |
|
867
|
|
|
return $this->toplevelId; |
|
868
|
|
|
} |
|
869
|
|
|
|
|
870
|
|
|
/** |
|
871
|
|
|
* This magic method is executed prior to any serialization of the object |
|
872
|
|
|
* @see __wakeup() |
|
873
|
|
|
* |
|
874
|
|
|
* @access public |
|
875
|
|
|
* |
|
876
|
|
|
* @return array Properties to be serialized |
|
877
|
|
|
*/ |
|
878
|
|
|
public function __sleep() { |
|
879
|
|
|
// \SimpleXMLElement objects can't be serialized, thus save the XML as string for serialization |
|
880
|
|
|
$this->asXML = $this->xml->asXML(); |
|
881
|
|
|
return ['uid', 'pid', 'recordId', 'parentId', 'asXML']; |
|
882
|
|
|
} |
|
883
|
|
|
|
|
884
|
|
|
/** |
|
885
|
|
|
* This magic method is used for setting a string value for the object |
|
886
|
|
|
* |
|
887
|
|
|
* @access public |
|
888
|
|
|
* |
|
889
|
|
|
* @return string String representing the METS object |
|
890
|
|
|
*/ |
|
891
|
|
|
public function __toString() { |
|
892
|
|
|
$xml = new \DOMDocument('1.0', 'utf-8'); |
|
893
|
|
|
$xml->appendChild($xml->importNode(dom_import_simplexml($this->mets), TRUE)); |
|
894
|
|
|
$xml->formatOutput = TRUE; |
|
895
|
|
|
return $xml->saveXML(); |
|
896
|
|
|
} |
|
897
|
|
|
|
|
898
|
|
|
/** |
|
899
|
|
|
* This magic method is executed after the object is deserialized |
|
900
|
|
|
* @see __sleep() |
|
901
|
|
|
* |
|
902
|
|
|
* @access public |
|
903
|
|
|
* |
|
904
|
|
|
* @return void |
|
905
|
|
|
*/ |
|
906
|
|
|
public function __wakeup() { |
|
907
|
|
|
// Turn off libxml's error logging. |
|
908
|
|
|
$libxmlErrors = libxml_use_internal_errors(TRUE); |
|
909
|
|
|
// Reload XML from string. |
|
910
|
|
|
$xml = @simplexml_load_string($this->asXML); |
|
911
|
|
|
// Reset libxml's error logging. |
|
912
|
|
|
libxml_use_internal_errors($libxmlErrors); |
|
913
|
|
|
if ($xml !== FALSE) { |
|
914
|
|
|
$this->asXML = ''; |
|
915
|
|
|
$this->xml = $xml; |
|
916
|
|
|
// Rebuild the unserializable properties. |
|
917
|
|
|
$this->init(); |
|
918
|
|
|
} else { |
|
919
|
|
|
Helper::devLog('Could not load XML after deserialization', DEVLOG_SEVERITY_ERROR); |
|
920
|
|
|
} |
|
921
|
|
|
} |
|
922
|
|
|
} |
|
923
|
|
|
|
kitodo /
kitodo-presentation
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