acquia_commercemanager-8.x-1.122/modules/acm_payment/src/PaymentMethodManager.php

<?php

namespace Drupal\acm_payment;

use Drupal\acm_cart\CartInterface;
use Drupal\Component\Plugin\Exception\PluginException;
use Drupal\Component\Plugin\Factory\DefaultFactory;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;

/**
 * Provides the Payment Method plugin manager.
 */
class PaymentMethodManager extends DefaultPluginManager {

  /**
   * Default values for each payment method plugin.
   *
   * @var array
   */
  protected $defaults = [
    'id' => '',
    'label' => '',
  ];

  /**
   * Constructor for PaymentMethodManager objects.
   *
   * @param \Traversable $namespaces
   *   An object that implements \Traversable which contains the root paths
   *   keyed by the corresponding namespace to look for plugin implementations.
   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
   *   Cache backend instance to use.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler to invoke the alter hook with.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
    parent::__construct('Plugin/PaymentMethod', $namespaces, $module_handler, 'Drupal\acm_payment\Plugin\PaymentMethod\PaymentMethodInterface', 'Drupal\acm_payment\Annotation\ACMPaymentMethod');

    $this->alterInfo('acm_payment_method_info');
    $this->setCacheBackend($cache_backend, 'acm_payment_method_plugins');
  }

  /**
   * {@inheritdoc}
   */
  public function createInstance($plugin_id, array $configuration = [], CartInterface $cart = NULL) {
    $plugin_definition = $this->getDefinition($plugin_id);
    $plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition);
    // If the plugin provides a factory method, pass the container to it.
    if (is_subclass_of($plugin_class, 'Drupal\Core\Plugin\ContainerFactoryPluginInterface')) {
      $plugin = $plugin_class::create(\Drupal::getContainer(), $configuration, $plugin_id, $plugin_definition, $cart);
    }
    else {
      $plugin = new $plugin_class($configuration, $plugin_id, $plugin_definition, $cart);
    }

    return $plugin;
  }

  /**
   * {@inheritdoc}
   */
  public function processDefinition(&$definition, $plugin_id) {
    parent::processDefinition($definition, $plugin_id);

    foreach (['id', 'label'] as $required_property) {
      if (empty($definition[$required_property])) {
        throw new PluginException(sprintf('The checkout pane %s must define the %s property.', $plugin_id, $required_property));
      }
    }
  }

}