90579a73336109d420b75e47469bf7d24a5ba844
[Packages/TYPO3.CMS.git] / typo3 / sysext / core / Classes / Messaging / FlashMessageService.php
1 <?php
2 namespace TYPO3\CMS\Core\Messaging;
3
4 /*
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16
17 /**
18 * A class representing flash messages.
19 */
20 class FlashMessageService implements \TYPO3\CMS\Core\SingletonInterface
21 {
22 /**
23 * Array of \TYPO3\CMS\Core\Messaging\FlashMessageQueue objects
24 *
25 * @var array
26 */
27 protected $flashMessageQueues = [];
28
29 /**
30 * Return the message queue for the given identifier.
31 * If no queue exists, an empty one will be created.
32 *
33 * @param string $identifier
34 * @return \TYPO3\CMS\Core\Messaging\FlashMessageQueue
35 * @api
36 */
37 public function getMessageQueueByIdentifier($identifier = 'core.template.flashMessages')
38 {
39 if (!isset($this->flashMessageQueues[$identifier])) {
40 $this->flashMessageQueues[$identifier] = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
41 \TYPO3\CMS\Core\Messaging\FlashMessageQueue::class,
42 $identifier
43 );
44 }
45 return $this->flashMessageQueues[$identifier];
46 }
47 }