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<?php
/**
* Class for handling SAML2 metadata extensions.
*
* @package simpleSAMLphp
* @version $Id$
*/
class SAML2_XML_md_Extensions {
/**
* Get a list of Extensions in the given element.
*
* @param DOMElement $parent The element that may contain the md:Extensions element.
* @return array Array of extensions.
*/
public static function getList(DOMElement $parent) {
$ret = array();
foreach (SAML2_Utils::xpQuery($parent, './saml_metadata:Extensions/*') as $node) {
if ($node->namespaceURI === SAML2_XML_shibmd_Scope::NS && $node->localName === 'Scope') {
$ret[] = new SAML2_XML_shibmd_Scope($node);
} elseif ($node->namespaceURI === SAML2_XML_mdattr_EntityAttributes::NS && $node->localName === 'EntityAttributes') {
$ret[] = new SAML2_XML_mdattr_EntityAttributes($node);
} else {
$ret[] = new SAML2_XML_Chunk($node);
}
}
return $ret;
}
/**
* Add a list of Extensions to the given element.
*
* @param DOMElement $parent The element we should add the extensions to.
* @param array $extensions List of extension objects.
*/
public static function addList(DOMElement $parent, array $extensions) {
if (empty($extensions)) {
return;
}
$extElement = $parent->ownerDocument->createElementNS(SAML2_Const::NS_MD, 'md:Extensions');
$parent->appendChild($extElement);
foreach ($extensions as $ext) {
$ext->toXML($extElement);
}
}
}
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