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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Document;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Defines the trait for a document aware class.
*
* @since 4.4.0
*/
trait DocumentAwareTrait
{
/**
* Document
*
* @var Document
* @since 4.4.0
*/
private $document;
/**
* Get the Document.
*
* @return Document
*
* @since 4.4.0
* @throws \UnexpectedValueException May be thrown if the document has not been set.
*/
protected function getDocument(): Document
{
if ($this->document) {
return $this->document;
}
throw new \UnexpectedValueException('Document not set in ' . __CLASS__);
}
/**
* Set the document to use.
*
* @param Document $document The document to use
*
* @return void
*
* @since 4.4.0
*/
public function setDocument(Document $document): void
{
$this->document = $document;
}
}