interface/modules/zend_modules/library/Zend/Feed/Writer/ExtensionPluginManager.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 use Zend\ServiceManager\AbstractPluginManager;
  13
  14 /**
  15  * Plugin manager implementation for feed writer extensions
  16  *
  17  * Validation checks that we have an Entry, Feed, or Extension\AbstractRenderer.
  18  */
  19 class ExtensionPluginManager extends AbstractPluginManager
  20 {
  21     /**
  22      * Default set of extension classes
  23      *
  24      * @var array
  25      */
  26     protected $invokableClasses = array(
  27         'atomrendererfeed'           => 'Zend\Feed\Writer\Extension\Atom\Renderer\Feed',
  28         'contentrendererentry'       => 'Zend\Feed\Writer\Extension\Content\Renderer\Entry',
  29         'dublincorerendererentry'    => 'Zend\Feed\Writer\Extension\DublinCore\Renderer\Entry',
  30         'dublincorerendererfeed'     => 'Zend\Feed\Writer\Extension\DublinCore\Renderer\Feed',
  31         'itunesentry'                => 'Zend\Feed\Writer\Extension\ITunes\Entry',
  32         'itunesfeed'                 => 'Zend\Feed\Writer\Extension\ITunes\Feed',
  33         'itunesrendererentry'        => 'Zend\Feed\Writer\Extension\ITunes\Renderer\Entry',
  34         'itunesrendererfeed'         => 'Zend\Feed\Writer\Extension\ITunes\Renderer\Feed',
  35         'slashrendererentry'         => 'Zend\Feed\Writer\Extension\Slash\Renderer\Entry',
  36         'threadingrendererentry'     => 'Zend\Feed\Writer\Extension\Threading\Renderer\Entry',
  37         'wellformedwebrendererentry' => 'Zend\Feed\Writer\Extension\WellFormedWeb\Renderer\Entry',
  38     );
  39
  40     /**
  41      * Do not share instances
  42      *
  43      * @var bool
  44      */
  45     protected $shareByDefault = false;
  46
  47     /**
  48      * Validate the plugin
  49      *
  50      * Checks that the extension loaded is of a valid type.
  51      *
  52      * @param  mixed $plugin
  53      * @return void
  54      * @throws Exception\InvalidArgumentException if invalid
  55      */
  56     public function validatePlugin($plugin)
  57     {
  58         if ($plugin instanceof Extension\AbstractRenderer) {
  59             // we're okay
  60             return;
  61         }
  62
  63         if ('Feed' == substr(get_class($plugin), -4)) {
  64             // we're okay
  65             return;
  66         }
  67
  68         if ('Entry' == substr(get_class($plugin), -5)) {
  69             // we're okay
  70             return;
  71         }
  72
  73         throw new Exception\InvalidArgumentException(sprintf(
  74             'Plugin of type %s is invalid; must implement %s\Extension\RendererInterface '
  75             . 'or the classname must end in "Feed" or "Entry"',
  76             (is_object($plugin) ? get_class($plugin) : gettype($plugin)),
  77             __NAMESPACE__
  78         ));
  79     }
  80 }