1 files changed, 77 insertions, 0 deletions
diff --git a/3rdparty/ZendFeed/Reader/ExtensionPluginManager.php b/3rdparty/ZendFeed/Reader/ExtensionPluginManager.php
new file mode 100644
index 000000000..45d3b26b5
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/ExtensionPluginManager.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader;
+
+use Zend\ServiceManager\AbstractPluginManager;
+
+/**
+ * Plugin manager implementation for feed reader extensions based on the
+ * AbstractPluginManager.
+ *
+ * Validation checks that we have an Extension\AbstractEntry or
+ * Extension\AbstractFeed.
+ */
+class ExtensionPluginManager extends AbstractPluginManager
+{
+    /**
+     * Default set of extension classes
+     *
+     * @var array
+     */
+    protected $invokableClasses = array(
+        'atomentry'            => 'Zend\Feed\Reader\Extension\Atom\Entry',
+        'atomfeed'             => 'Zend\Feed\Reader\Extension\Atom\Feed',
+        'contententry'         => 'Zend\Feed\Reader\Extension\Content\Entry',
+        'creativecommonsentry' => 'Zend\Feed\Reader\Extension\CreativeCommons\Entry',
+        'creativecommonsfeed'  => 'Zend\Feed\Reader\Extension\CreativeCommons\Feed',
+        'dublincoreentry'      => 'Zend\Feed\Reader\Extension\DublinCore\Entry',
+        'dublincorefeed'       => 'Zend\Feed\Reader\Extension\DublinCore\Feed',
+        'podcastentry'         => 'Zend\Feed\Reader\Extension\Podcast\Entry',
+        'podcastfeed'          => 'Zend\Feed\Reader\Extension\Podcast\Feed',
+        'slashentry'           => 'Zend\Feed\Reader\Extension\Slash\Entry',
+        'syndicationfeed'      => 'Zend\Feed\Reader\Extension\Syndication\Feed',
+        'threadentry'          => 'Zend\Feed\Reader\Extension\Thread\Entry',
+        'wellformedwebentry'   => 'Zend\Feed\Reader\Extension\WellFormedWeb\Entry',
+    );
+
+    /**
+     * Do not share instances
+     *
+     * @var bool
+     */
+    protected $shareByDefault = false;
+
+    /**
+     * Validate the plugin
+     *
+     * Checks that the extension loaded is of a valid type.
+     *
+     * @param  mixed $plugin
+     * @return void
+     * @throws Exception\InvalidArgumentException if invalid
+     */
+    public function validatePlugin($plugin)
+    {
+        if ($plugin instanceof Extension\AbstractEntry
+            || $plugin instanceof Extension\AbstractFeed
+        ) {
+            // we're okay
+            return;
+        }
+
+        throw new Exception\InvalidArgumentException(sprintf(
+            'Plugin of type %s is invalid; must implement %s\Extension\AbstractFeed '
+            . 'or %s\Extension\AbstractEntry',
+            (is_object($plugin) ? get_class($plugin) : gettype($plugin)),
+            __NAMESPACE__,
+            __NAMESPACE__
+        ));
+    }
+}