/**
* @inheritDoc
*/
public function related($link, $escape = true)
{
if ($link['type'] === 'ctrlnum') {
return $this->buildCtrlNumRelatedLink($link, $escape);
} else {
return parent::related($link, $escape);
}
}
/**
* Return an XML representation of the record using the specified format.
* Return false if the format is unsupported.
*
* @param string $format Name of format to use (corresponds with OAI-PMH
* metadataPrefix parameter).
* @param string $baseUrl Base URL of host containing VuFind (optional;
* may be used to inject record URLs into XML when appropriate).
* @param RecordLink $recordLink Record link helper (optional; may be used to
* inject record URLs into XML when appropriate).
*
* @return mixed XML, or false if format unsupported.
*/
public function getXML($format, $baseUrl = null, $recordLink = null)
{
// For OAI-PMH Dublin Core, produce the necessary XML:
if ($format == 'oai_dc') {
$dc = 'http://purl.org/dc/elements/1.1/';
$xml = new \SimpleXMLElement('<oai_dc:dc ' . 'xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" ' . 'xmlns:dc="' . $dc . '" ' . 'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' . 'xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ ' . 'http://www.openarchives.org/OAI/2.0/oai_dc.xsd" />');
$xml->addChild('title', htmlspecialchars($this->getTitle()), $dc);
$primary = $this->getPrimaryAuthor();
if (!empty($primary)) {
$xml->addChild('creator', htmlspecialchars($primary), $dc);
}
$corporate = $this->getCorporateAuthor();
if (!empty($corporate)) {
$xml->addChild('creator', htmlspecialchars($corporate), $dc);
}
foreach ($this->getSecondaryAuthors() as $current) {
$xml->addChild('creator', htmlspecialchars($current), $dc);
}
foreach ($this->getLanguages() as $lang) {
$xml->addChild('language', htmlspecialchars($lang), $dc);
}
foreach ($this->getPublishers() as $pub) {
$xml->addChild('publisher', htmlspecialchars($pub), $dc);
}
foreach ($this->getPublicationDates() as $date) {
$xml->addChild('date', htmlspecialchars($date), $dc);
}
foreach ($this->getAllSubjectHeadings() as $subj) {
$xml->addChild('subject', htmlspecialchars(implode(' -- ', $subj)), $dc);
}
if (null !== $baseUrl && null !== $recordLink) {
$url = $baseUrl . $recordLink->getUrl($this);
$xml->addChild('identifier', $url, $dc);
}
return $xml->asXml();
}
// Unsupported format:
return false;
}