interface/modules/zend_modules/library/Zend/Session/Service/StorageFactory.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Session\Service;
  11
  12 use Zend\ServiceManager\Exception\ServiceNotCreatedException;
  13 use Zend\ServiceManager\FactoryInterface;
  14 use Zend\ServiceManager\ServiceLocatorInterface;
  15 use Zend\Session\Storage\Exception as SessionException;
  16 use Zend\Session\Storage\Factory;
  17 use Zend\Session\Storage\StorageInterface;
  18
  19 class StorageFactory implements FactoryInterface
  20 {
  21     /**
  22      * Create session storage object
  23      *
  24      * Uses "session_storage" section of configuration to seed a StorageInterface
  25      * instance. That array should contain the key "type", specifying the storage
  26      * type to use, and optionally "options", containing any options to be used in
  27      * creating the StorageInterface instance.
  28      *
  29      * @param  ServiceLocatorInterface    $services
  30      * @return StorageInterface
  31      * @throws ServiceNotCreatedException if session_storage is missing, or the
  32      *         factory cannot create the storage instance.
  33      */
  34     public function createService(ServiceLocatorInterface $services)
  35     {
  36         $config = $services->get('Config');
  37         if (!isset($config['session_storage']) || !is_array($config['session_storage'])) {
  38             throw new ServiceNotCreatedException(
  39                 'Configuration is missing a "session_storage" key, or the value of that key is not an array'
  40             );
  41         }
  42
  43         $config = $config['session_storage'];
  44         if (!isset($config['type'])) {
  45             throw new ServiceNotCreatedException(
  46                 '"session_storage" configuration is missing a "type" key'
  47             );
  48         }
  49         $type = $config['type'];
  50         $options = isset($config['options']) ? $config['options'] : array();
  51
  52         try {
  53             $storage = Factory::factory($type, $options);
  54         } catch (SessionException $e) {
  55             throw new ServiceNotCreatedException(sprintf(
  56                 'Factory is unable to create StorageInterface instance: %s',
  57                 $e->getMessage()
  58             ), $e->getCode(), $e);
  59         }
  60
  61         return $storage;
  62     }
  63 }