interface/modules/zend_modules/library/Zend/Feed/Writer/ExtensionManager.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\Feed\Writer;
  11
  12 /**
  13  * Default implementation of ExtensionManagerInterface
  14  *
  15  * Decorator of ExtensionPluginManager.
  16  */
  17 class ExtensionManager implements ExtensionManagerInterface
  18 {
  19     protected $pluginManager;
  20
  21     /**
  22      * Constructor
  23      *
  24      * Seeds the extension manager with a plugin manager; if none provided,
  25      * creates an instance.
  26      *
  27      * @param  null|ExtensionPluginManager $pluginManager
  28      */
  29     public function __construct(ExtensionPluginManager $pluginManager = null)
  30     {
  31         if (null === $pluginManager) {
  32             $pluginManager = new ExtensionPluginManager();
  33         }
  34         $this->pluginManager = $pluginManager;
  35     }
  36
  37     /**
  38      * Method overloading
  39      *
  40      * Proxy to composed ExtensionPluginManager instance.
  41      *
  42      * @param  string $method
  43      * @param  array $args
  44      * @return mixed
  45      * @throws Exception\BadMethodCallException
  46      */
  47     public function __call($method, $args)
  48     {
  49         if (!method_exists($this->pluginManager, $method)) {
  50             throw new Exception\BadMethodCallException(sprintf(
  51                 'Method by name of %s does not exist in %s',
  52                 $method,
  53                 __CLASS__
  54             ));
  55         }
  56         return call_user_func_array(array($this->pluginManager, $method), $args);
  57     }
  58
  59     /**
  60      * Get the named extension
  61      *
  62      * @param  string $name
  63      * @return Extension\AbstractEntry|Extension\AbstractFeed
  64      */
  65     public function get($name)
  66     {
  67         return $this->pluginManager->get($name);
  68     }
  69
  70     /**
  71      * Do we have the named extension?
  72      *
  73      * @param  string $name
  74      * @return bool
  75      */
  76     public function has($name)
  77     {
  78         return $this->pluginManager->has($name);
  79     }
  80 }