/**
* 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, $recordLink = null)
{
// Special case for MARC:
if ($format == 'marc21') {
$xml = $this->getMarcRecord()->toXML();
$xml = str_replace([chr(27), chr(28), chr(29), chr(30), chr(31)], ' ', $xml);
$xml = simplexml_load_string($xml);
if (!$xml || !isset($xml->record)) {
return false;
}
// Set up proper namespacing and extract just the <record> tag:
$xml->record->addAttribute('xmlns', "http://www.loc.gov/MARC21/slim");
$xml->record->addAttribute('xsi:schemaLocation', 'http://www.loc.gov/MARC21/slim ' . 'http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd', 'http://www.w3.org/2001/XMLSchema-instance');
$xml->record->addAttribute('type', 'Bibliographic');
return $xml->record->asXML();
}
// Try the parent method:
return parent::getXML($format, $baseUrl, $recordLink);
}