UIInfo.php

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<?php

namespace SAML2\XML\mdui;

use SAML2\Utils;
use SAML2\XML\Chunk;

class UIInfo
{
    public $children = array();

    public $DisplayName = array();

    public $Description = array();

    public $InformationURL = array();

    public $PrivacyStatementURL = array();

    public $Keywords = array();

    public $Logo = array();

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

        $this->DisplayName         = Utils::extractLocalizedStrings($xml, Common::NS, 'DisplayName');
        $this->Description         = Utils::extractLocalizedStrings($xml, Common::NS, 'Description');
        $this->InformationURL      = Utils::extractLocalizedStrings($xml, Common::NS, 'InformationURL');
        $this->PrivacyStatementURL = Utils::extractLocalizedStrings($xml, Common::NS, 'PrivacyStatementURL');

        foreach (Utils::xpQuery($xml, './*') as $node) {
            if ($node->namespaceURI === Common::NS) {
                switch ($node->localName) {
                    case 'Keywords':
                        $this->Keywords[] = new Keywords($node);
                        break;
                    case 'Logo':
                        $this->Logo[] = new Logo($node);
                        break;
                }
            } else {
                $this->children[] = new Chunk($node);
            }
        }
    }

    public function toXML(\DOMElement $parent)
    {
        assert(is_array($this->DisplayName));
        assert(is_array($this->InformationURL));
        assert(is_array($this->PrivacyStatementURL));
        assert(is_array($this->Keywords));
        assert(is_array($this->Logo));
        assert(is_array($this->children));

        $e = null;
        if (!empty($this->DisplayName)
         || !empty($this->Description)
         || !empty($this->InformationURL)
         || !empty($this->PrivacyStatementURL)
         || !empty($this->Keywords)
         || !empty($this->Logo)
         || !empty($this->children)) {
            $doc = $parent->ownerDocument;

            $e = $doc->createElementNS(Common::NS, 'mdui:UIInfo');
            $parent->appendChild($e);

            Utils::addStrings($e, Common::NS, 'mdui:DisplayName', true, $this->DisplayName);
            Utils::addStrings($e, Common::NS, 'mdui:Description', true, $this->Description);
            Utils::addStrings($e, Common::NS, 'mdui:InformationURL', true, $this->InformationURL);
            Utils::addStrings($e, Common::NS, 'mdui:PrivacyStatementURL', true, $this->PrivacyStatementURL);

            if (!empty($this->Keywords)) {
                foreach ($this->Keywords as $child) {
                    $child->toXML($e);
                }
            }

            if (!empty($this->Logo)) {
                foreach ($this->Logo as $child) {
                    $child->toXML($e);
                }
            }

            if (!empty($this->children)) {
                foreach ($this->children as $child) {
                    $child->toXML($e);
                }
            }
        }

        return $e;
    }
}