Viewing file:  Keywords.php (1.8 KB) -rwxrwxr-x
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<?php
/**
* Class for handling the Keywords metadata extensions for login and discovery user interface
*
* @link: http://docs.oasis-open.org/security/saml/Post2.0/sstc-saml-metadata-ui/v1.0/sstc-saml-metadata-ui-v1.0.pdf
* @package simpleSAMLphp
* @version $Id$
*/
class SAML2_XML_mdui_Keywords {
/**
* The keywords of this item.
*
* @var string
*/
public $Keywords;
/**
* The language of this item.
*
* @var string
*/
public $lang;
/**
* Initialize a Keywords.
*
* @param DOMElement|NULL $xml The XML element we should load.
*/
public function __construct(DOMElement $xml = NULL) {
if ($xml === NULL) {
return;
}
if (!$xml->hasAttribute('xml:lang')) {
throw new Exception('Missing lang on Keywords.');
}
if (!is_string($xml->textContent) || !strlen($xml->textContent)) {
throw new Exception('Missing value for Keywords.');
}
$this->Keywords = array();
foreach (explode(' ', $xml->textContent) as $keyword) {
$this->Keywords[] = str_replace('+', ' ', $keyword);
}
$this->lang = $xml->getAttribute('xml:lang');
}
/**
* Convert this Keywords to XML.
*
* @param DOMElement $parent The element we should append this Keywords to.
*/
public function toXML(DOMElement $parent) {
assert('is_string($this->lang)');
assert('is_array($this->Keywords)');
$doc = $parent->ownerDocument;
$e = $doc->createElementNS(SAML2_XML_mdui_UIInfo::NS, 'mdui:Keywords');
$e->setAttribute('xml:lang', $this->lang);
$value = '';
foreach ($this->Keywords as $keyword) {
if (strpos($keyword, "+") !== false) {
throw new Exception('Keywords may not contain a "+" character.');
}
$value .= str_replace(' ', '+', $keyword) . ' ';
}
$value = rtrim($value);
$e->appendChild($doc->createTextNode($value));
$parent->appendChild($e);
return $e;
}
}
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