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98 lines
2.2 KiB
98 lines
2.2 KiB
<?php
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namespace League\Flysystem\Plugin;
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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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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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* 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($plugin) . ' does not have a handle method.');
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}
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$this->plugins[$plugin->getMethod()] = $plugin;
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return $this;
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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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return $this->plugins[$method];
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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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return call_user_func_array($callback, $arguments);
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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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