SigningMethod.php

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<?php

namespace SAML2\XML\alg;

class SigningMethod
{
    public $Algorithm;


    public $MinKeySize;


    public $MaxKeySize;


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

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

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

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


    public function toXML(\DOMElement $parent)
    {
        assert(is_string($this->Algorithm));
        assert(is_int($this->MinKeySize) || is_null($this->MinKeySize));
        assert(is_int($this->MaxKeySize) || is_null($this->MaxKeySize));

        $doc = $parent->ownerDocument;
        $e = $doc->createElementNS(Common::NS, 'alg:SigningMethod');
        $parent->appendChild($e);
        $e->setAttribute('Algorithm', $this->Algorithm);

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

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

        return $e;
    }
}