/
ChainMessagesLoader.php
61 lines (50 loc) · 1.33 KB
/
ChainMessagesLoader.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\I18n;
use Aura\Intl\Package;
/**
*
*
*/
class ChainMessagesLoader {
protected $_loaders = [];
public function __construct(array $loaders) {
$this->_loaders = $loaders;
}
public function __invoke() {
foreach ($this->_loaders as $k => $loader) {
if (!is_callable($loader)) {
throw new \RuntimeException(
sprintf('Loader "%s" in the chain is not a valid callable'),
$k
);
}
$package = $loader();
if (!$package) {
continue;
}
if (!($package instanceof Package)) {
throw new \RuntimeException(
sprintf('Loader "%s" in the chain did not return a valid Package object'),
$k
);
}
if (count($package->getMessages())) {
return $package;
}
}
return new Package;
}
}