<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://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. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 2.2.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Log;
use Cake\Core\App;
use Cake\Core\ObjectRegistry;
use Psr\Log\LoggerInterface;
use RuntimeException;
/**
* Registry of loaded log engines
*/
class LogEngineRegistry extends ObjectRegistry
{
/**
* Resolve a logger classname.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
*
* @param string $class Partial classname to resolve.
* @return string|false Either the correct classname or false.
*/
protected function _resolveClassName($class)
{
if (is_object($class)) {
return $class;
}
return App::className($class, 'Log/Engine', 'Log');
}
/**
* Throws an exception when a logger is missing.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
*
* @param string $class The classname that is missing.
* @param string $plugin The plugin the logger is missing in.
* @return void
* @throws \RuntimeException
*/
protected function _throwMissingClassError($class, $plugin)
{
throw new RuntimeException(sprintf('Could not load class %s', $class));
}
/**
* Create the logger instance.
*
* Part of the template method for Cake\Core\ObjectRegistry::load()
*
* @param string|\Psr\Log\LoggerInterface $class The classname or object to make.
* @param string $alias The alias of the object.
* @param array $settings An array of settings to use for the logger.
* @return \Psr\Log\LoggerInterface The constructed logger class.
* @throws \RuntimeException when an object doesn't implement the correct interface.
*/
protected function _create($class, $alias, $settings)
{
if (is_callable($class)) {
$class = $class($alias);
}
if (is_object($class)) {
$instance = $class;
}
if (!isset($instance)) {
$instance = new $class($settings);
}
if ($instance instanceof LoggerInterface) {
return $instance;
}
throw new RuntimeException(
'Loggers must implement Psr\Log\LoggerInterface.'
);
}
/**
* Remove a single logger from the registry.
*
* @param string $name The logger name.
* @return void
*/
public function unload($name)
{
unset($this->_loaded[$name]);
}
}