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<?php |
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|
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namespace League\Flysystem\Plugin; |
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|
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use BadMethodCallException; |
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use League\Flysystem\FilesystemInterface; |
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use League\Flysystem\PluginInterface; |
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use LogicException; |
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|
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trait PluggableTrait |
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{ |
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/** |
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* @var array |
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*/ |
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protected $plugins = []; |
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|
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/** |
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* Register a plugin. |
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* |
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* @param PluginInterface $plugin |
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* |
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* @throws LogicException |
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* |
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* @return $this |
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*/ |
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public function addPlugin(PluginInterface $plugin) |
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{ |
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if ( ! method_exists($plugin, 'handle')) { |
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throw new LogicException(get_class($plugin) . ' does not have a handle method.'); |
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} |
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|
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$this->plugins[$plugin->getMethod()] = $plugin; |
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|
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return $this; |
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} |
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|
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/** |
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* Find a specific plugin. |
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* |
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* @param string $method |
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* |
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* @throws PluginNotFoundException |
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* |
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* @return PluginInterface |
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*/ |
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protected function findPlugin($method) |
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{ |
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if ( ! isset($this->plugins[$method])) { |
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throw new PluginNotFoundException('Plugin not found for method: ' . $method); |
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} |
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|
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return $this->plugins[$method]; |
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} |
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|
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/** |
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* Invoke a plugin by method name. |
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* |
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* @param string $method |
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* @param array $arguments |
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* @param FilesystemInterface $filesystem |
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* |
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* @throws PluginNotFoundException |
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* |
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* @return mixed |
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*/ |
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protected function invokePlugin($method, array $arguments, FilesystemInterface $filesystem) |
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{ |
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$plugin = $this->findPlugin($method); |
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$plugin->setFilesystem($filesystem); |
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$callback = [$plugin, 'handle']; |
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|
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return call_user_func_array($callback, $arguments); |
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} |
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|
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/** |
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* Plugins pass-through. |
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* |
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* @param string $method |
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* @param array $arguments |
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* |
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* @throws BadMethodCallException |
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* |
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* @return mixed |
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*/ |
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public function __call($method, array $arguments) |
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{ |
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try { |
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return $this->invokePlugin($method, $arguments, $this); |
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} catch (PluginNotFoundException $e) { |
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throw new BadMethodCallException( |
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'Call to undefined method ' |
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. get_class($this) |
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. '::' . $method |
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); |
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} |
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} |
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} |
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|
