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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE
   8   */
   9  
  10  namespace Joomla\CMS\Dispatcher;
  11  
  12  use Joomla\CMS\Application\CMSApplicationInterface;
  13  use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
  14  use Joomla\Input\Input;
  15  
  16  // phpcs:disable PSR1.Files.SideEffects
  17  \defined('_JEXEC') or die;
  18  // phpcs:enable PSR1.Files.SideEffects
  19  
  20  /**
  21   * Namespace based implementation of the ComponentDispatcherFactoryInterface
  22   *
  23   * @since  4.0.0
  24   */
  25  class ComponentDispatcherFactory implements ComponentDispatcherFactoryInterface
  26  {
  27      /**
  28       * The extension namespace
  29       *
  30       * @var  string
  31       *
  32       * @since   4.0.0
  33       */
  34      protected $namespace;
  35  
  36      /**
  37       * The MVC factory
  38       *
  39       * @var  MVCFactoryInterface
  40       *
  41       * @since   4.0.0
  42       */
  43      private $mvcFactory;
  44  
  45      /**
  46       * ComponentDispatcherFactory constructor.
  47       *
  48       * @param   string               $namespace   The namespace
  49       * @param   MVCFactoryInterface  $mvcFactory  The MVC factory
  50       *
  51       * @since   4.0.0
  52       */
  53      public function __construct(string $namespace, MVCFactoryInterface $mvcFactory)
  54      {
  55          $this->namespace  = $namespace;
  56          $this->mvcFactory = $mvcFactory;
  57      }
  58  
  59      /**
  60       * Creates a dispatcher.
  61       *
  62       * @param   CMSApplicationInterface  $application  The application
  63       * @param   Input                    $input        The input object, defaults to the one in the application
  64       *
  65       * @return  DispatcherInterface
  66       *
  67       * @since   4.0.0
  68       */
  69      public function createDispatcher(CMSApplicationInterface $application, Input $input = null): DispatcherInterface
  70      {
  71          $name = ucfirst($application->getName());
  72  
  73          $className = '\\' . trim($this->namespace, '\\') . '\\' . $name . '\\Dispatcher\\Dispatcher';
  74  
  75          if (!class_exists($className)) {
  76              if ($application->isClient('api')) {
  77                  $className = ApiDispatcher::class;
  78              } else {
  79                  $className = ComponentDispatcher::class;
  80              }
  81          }
  82  
  83          return new $className($application, $input ?: $application->input, $this->mvcFactory);
  84      }
  85  }