Kitodo\Dlf\Common\IiifUrlReader

Complexity

Total Complexity

3

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getInstance()	0	5	2
A	getContent()	0	2	1

<?php
namespace Kitodo\Dlf\Common;

/**
 * (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
 *
 * This file is part of the Kitodo and TYPO3 projects.
 *
 * @license GNU General Public License version 3 or later.
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

use TYPO3\CMS\Core\Utility\GeneralUtility;
use Ubl\Iiif\Tools\UrlReaderInterface;

/**
 * Implementation of Ubl\Iiif\Tools\UrlReaderInterface for the 'dlf' TYPO3 extension.
 * Allows the use of TYPO3 framework functions for loading remote documents in the
 * IIIF library.
 *
 * @author Lutz Helm <helm@ub.uni-leipzig.de>
 *
 */
class IiifUrlReader implements UrlReaderInterface {
    /**
     * Singleton instance of the class
     *
     * @access protected
     * @var IiifUrlReader
     */
    protected static $instance;

    /**
     *
     * {@inheritDoc}
     * @see \Ubl\Iiif\Tools\UrlReaderInterface::getContent()
     */
    public function getContent($url) {
        return GeneralUtility::getUrl($url);

The expression return TYPO3\CMS\Core\Utility\GeneralUtility::getUrl($url) also could return the type false which is incompatible with the return type mandated by Ubl\Iiif\Tools\UrlReaderInterface::getContent() of string.

    }

    /**
     * Return a singleton instance.
     *
     * @static
     *
     * @return IiifUrlReader
     */
    public static function getInstance() {
        if (!isset(self::$instance)) {
            self::$instance = new IiifUrlReader();
        }
        return self::$instance;
    }
}