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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   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\HttpKernel\DependencyInjection;
  13  
  14  use Symfony\Component\DependencyInjection\ContainerBuilder;
  15  
  16  /**
  17   * This extension sub-class provides first-class integration with the
  18   * Config/Definition Component.
  19   *
  20   * You can use this as base class if
  21   *
  22   *    a) you use the Config/Definition component for configuration,
  23   *    b) your configuration class is named "Configuration", and
  24   *    c) the configuration class resides in the DependencyInjection sub-folder.
  25   *
  26   * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  27   */
  28  abstract class ConfigurableExtension extends Extension
  29  {
  30      /**
  31       * {@inheritdoc}
  32       */
  33      final public function load(array $configs, ContainerBuilder $container)
  34      {
  35          $this->loadInternal($this->processConfiguration($this->getConfiguration($configs, $container), $configs), $container);
  36      }
  37  
  38      /**
  39       * Configures the passed container according to the merged configuration.
  40       */
  41      abstract protected function loadInternal(array $mergedConfig, ContainerBuilder $container);
  42  }