Attribute.php

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<?php

namespace SAML2\XML\saml;

use SAML2\Constants;
use SAML2\Utils;

class Attribute
{
    public $Name;

    public $NameFormat;

    public $FriendlyName = null;

    public $AttributeValue = array();

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

        if (!$xml->hasAttribute('Name')) {
            throw new \Exception('Missing Name on Attribute.');
        }
        $this->Name = $xml->getAttribute('Name');

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

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

        foreach (Utils::xpQuery($xml, './saml_assertion:AttributeValue') as $av) {
            $this->AttributeValue[] = new AttributeValue($av);
        }
    }

    protected function toXMLInternal(\DOMElement $parent, $namespace, $name)
    {
        assert(is_string($namespace));
        assert(is_string($name));
        assert(is_string($this->Name));
        assert(is_null($this->NameFormat) || is_string($this->NameFormat));
        assert(is_null($this->FriendlyName) || is_string($this->FriendlyName));
        assert(is_array($this->AttributeValue));

        $e = $parent->ownerDocument->createElementNS($namespace, $name);
        $parent->appendChild($e);

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

        if (isset($this->NameFormat)) {
            $e->setAttribute('NameFormat', $this->NameFormat);
        }

        if (isset($this->FriendlyName)) {
            $e->setAttribute('FriendlyName', $this->FriendlyName);
        }

        foreach ($this->AttributeValue as $av) {
            $av->toXML($e);
        }

        return $e;
    }

    public function toXML(\DOMElement $parent)
    {
        return $this->toXMLInternal($parent, Constants::NS_SAML, 'saml:Attribute');
    }
}