vendor/league/flysystem/src/Plugin/PluggableTrait.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php

namespace League\Flysystem\Plugin;

use BadMethodCallException;
use League\Flysystem\FilesystemInterface;
use League\Flysystem\PluginInterface;
use LogicException;

trait PluggableTrait
{
    /**
     * @var array
     */
    protected $plugins = [];

    /**
     * Register a plugin.
     *
     * @param PluginInterface $plugin
     *
     * @throws LogicException
     *
     * @return $this
     */
    public function addPlugin(PluginInterface $plugin)
    {
        if ( ! method_exists($plugin, 'handle')) {
            throw new LogicException(get_class($plugin) . ' does not have a handle method.');
        }

        $this->plugins[$plugin->getMethod()] = $plugin;

        return $this;
    }

    /**
     * Find a specific plugin.
     *
     * @param string $method
     *
     * @throws PluginNotFoundException
     *
     * @return PluginInterface
     */
    protected function findPlugin($method)
    {
        if ( ! isset($this->plugins[$method])) {
            throw new PluginNotFoundException('Plugin not found for method: ' . $method);
        }

        return $this->plugins[$method];
    }

    /**
     * Invoke a plugin by method name.
     *
     * @param string              $method
     * @param array               $arguments
     * @param FilesystemInterface $filesystem