EmptyView.php

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<?php
namespace TYPO3\CMS\Extbase\Mvc\View;

/*
 * 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!
 */

class EmptyView implements \TYPO3\CMS\Extbase\Mvc\View\ViewInterface
{
    public function setControllerContext(\TYPO3\CMS\Extbase\Mvc\Controller\ControllerContext $controllerContext)
    {
    }

    public function assign($key, $value)
    {
        return $this;
    }

    public function assignMultiple(array $values)
    {
        return $this;
    }

    public function canRender(\TYPO3\CMS\Extbase\Mvc\Controller\ControllerContext $controllerContext)
    {
        return true;
    }

    public function render()
    {
        return '<!-- This is the output of the Empty View. An appropriate View was not found. -->';
    }

    public function __call($methodName, array $arguments)
    {
    }

    public function initializeView()
    {
    }
}