AbstractContentObject.php

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<?php
namespace TYPO3\CMS\Frontend\ContentObject;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;

abstract class AbstractContentObject
{
    protected $cObj;

    protected $pageRenderer = null;

    public function __construct(ContentObjectRenderer $cObj)
    {
        $this->cObj = $cObj;
    }

    abstract public function render($conf = []);

    public function getContentObject()
    {
        return $this->cObj;
    }

    protected function getPageRenderer()
    {
        if ($this->pageRenderer === null) {
            $this->pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
        }

        return $this->pageRenderer;
    }
}