/**
* Appends the record's header to the XML response.
*
* Adds the identifier, datestamp and setSpec to a header element, and
* appends in to the document.
*
* @param DOMElement $parentElement
* @param Item $item
*/
public function appendHeader($parentElement, $item)
{
$headerData['identifier'] = OaiPmhRepository_OaiIdentifier::itemToOaiId($item->id);
$headerData['datestamp'] = OaiPmhRepository_Date::dbToUtc($item->modified);
$collection = $item->getCollection();
if ($collection && $collection->public) {
$headerData['setSpec'] = $collection->id;
}
$parentElement->appendNewElementWithChildren('header', $headerData);
}
