PublicationInfo.php

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<?php

namespace SAML2\XML\mdrpi;

use SAML2\Utils;

class PublicationInfo
{
    public $publisher;

    public $creationInstant;

    public $publicationId;

    public $UsagePolicy = array();

    public function __construct(\DOMElement $xml = null)
    {
        if ($xml === null) {
            return;
        }

        if (!$xml->hasAttribute('publisher')) {
            throw new \Exception('Missing required attribute "publisher" in mdrpi:PublicationInfo element.');
        }
        $this->publisher = $xml->getAttribute('publisher');

        if ($xml->hasAttribute('creationInstant')) {
            $this->creationInstant = Utils::xsDateTimeToTimestamp($xml->getAttribute('creationInstant'));
        }

        if ($xml->hasAttribute('publicationId')) {
            $this->publicationId = $xml->getAttribute('publicationId');
        }

        $this->UsagePolicy = Utils::extractLocalizedStrings($xml, Common::NS_MDRPI, 'UsagePolicy');
    }

    public function toXML(\DOMElement $parent)
    {
        assert(is_string($this->publisher));
        assert(is_int($this->creationInstant) || is_null($this->creationInstant));
        assert(is_string($this->publicationId) || is_null($this->publicationId));
        assert(is_array($this->UsagePolicy));

        $doc = $parent->ownerDocument;

        $e = $doc->createElementNS(Common::NS_MDRPI, 'mdrpi:PublicationInfo');
        $parent->appendChild($e);

        $e->setAttribute('publisher', $this->publisher);

        if ($this->creationInstant !== null) {
            $e->setAttribute('creationInstant', gmdate('Y-m-d\TH:i:s\Z', $this->creationInstant));
        }

        if ($this->publicationId !== null) {
            $e->setAttribute('publicationId', $this->publicationId);
        }

        Utils::addStrings($e, Common::NS_MDRPI, 'mdrpi:UsagePolicy', true, $this->UsagePolicy);

        return $e;
    }
}