ArtifactResolve.php

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<?php

namespace SAML2;

class ArtifactResolve extends Request
{
    private $artifact;

    public function __construct(\DOMElement $xml = null)
    {
        parent::__construct('ArtifactResolve', $xml);

        if (!is_null($xml)) {
            $results = Utils::xpQuery($xml, './saml_protocol:Artifact');
            $this->artifact = $results[0]->textContent;
        }
    }

    public function getArtifact()
    {
        return $this->artifact;
    }

    public function setArtifact($artifact)
    {
        assert(is_string($artifact));
        $this->artifact = $artifact;
    }

    public function toUnsignedXML()
    {
        $root = parent::toUnsignedXML();
        $artifactelement = $this->document->createElementNS(Constants::NS_SAMLP, 'Artifact', $this->artifact);
        $root->appendChild($artifactelement);

        return $root;
    }
}