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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Console\CommandLoader;
  13  
  14  use Psr\Container\ContainerInterface;
  15  use Symfony\Component\Console\Exception\CommandNotFoundException;
  16  
  17  /**
  18   * Loads commands from a PSR-11 container.
  19   *
  20   * @author Robin Chalas <[email protected]>
  21   */
  22  class ContainerCommandLoader implements CommandLoaderInterface
  23  {
  24      private $container;
  25      private $commandMap;
  26  
  27      /**
  28       * @param array $commandMap An array with command names as keys and service ids as values
  29       */
  30      public function __construct(ContainerInterface $container, array $commandMap)
  31      {
  32          $this->container = $container;
  33          $this->commandMap = $commandMap;
  34      }
  35  
  36      /**
  37       * {@inheritdoc}
  38       */
  39      public function get(string $name)
  40      {
  41          if (!$this->has($name)) {
  42              throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name));
  43          }
  44  
  45          return $this->container->get($this->commandMap[$name]);
  46      }
  47  
  48      /**
  49       * {@inheritdoc}
  50       */
  51      public function has(string $name)
  52      {
  53          return isset($this->commandMap[$name]) && $this->container->has($this->commandMap[$name]);
  54      }
  55  
  56      /**
  57       * {@inheritdoc}
  58       */
  59      public function getNames()
  60      {
  61          return array_keys($this->commandMap);
  62      }
  63  }