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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Tool
  * @subpackage Framework
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Tool_Framework_Registry_EnabledInterface
  */
 // require_once 'Zend/Tool/Framework/Registry/EnabledInterface.php';
 
 /**
  * @category   Zend
  * @package    Zend_Tool
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Tool_Framework_Action_Repository
     implements Zend_Tool_Framework_Registry_EnabledInterface, IteratorAggregate, Countable
 {
 
     /**
      * @var Zend_Tool_Framework_Registry_Interface
      */
     protected $_registry = null;
 
     /**
      * @var array
      */
     protected $_actions = array();
 
     /**
      * setRegistry()
      *
      * @param Zend_Tool_Framework_Registry_Interface $registry
      */
     public function setRegistry(Zend_Tool_Framework_Registry_Interface $registry)
     {
         $this->_registry = $registry;
     }
 
     /**
      * addAction()
      *
      * @param Zend_Tool_Framework_Action_Interface $action
      * @return Zend_Tool_Framework_Action_Repository
      */
     public function addAction(Zend_Tool_Framework_Action_Interface $action, $overrideExistingAction = false)
     {
         $actionName = $action->getName();
 
         if ($actionName == '' || $actionName == 'Base') {
             // require_once 'Zend/Tool/Framework/Action/Exception.php';
             throw new Zend_Tool_Framework_Action_Exception('An action name for the provided action could not be determined.');
         }
 
         if (!$overrideExistingAction && array_key_exists(strtolower($actionName), $this->_actions)) {
             // require_once 'Zend/Tool/Framework/Action/Exception.php';
             throw new Zend_Tool_Framework_Action_Exception('An action by the name ' . $actionName
                 . ' is already registered and $overrideExistingAction is set to false.');
         }
 
         $this->_actions[strtolower($actionName)] = $action;
         return $this;
     }
 
     /**
      * process() - this is called when the client is done constructing (after init())
      *
      * @return unknown
      */
     public function process()
     {
         return null;
     }
 
     /**
      * getActions() - get all actions in the repository
      *
      * @return array
      */
     public function getActions()
     {
         return $this->_actions;
     }
 
     /**
      * getAction() - get an action by a specific name
      *
      * @param string $actionName
      * @return Zend_Tool_Framework_Action_Interface
      */
     public function getAction($actionName)
     {
         if (!array_key_exists(strtolower($actionName), $this->_actions)) {
             return null;
         }
 
         return $this->_actions[strtolower($actionName)];
     }
 
     /**
      * count() required by the Countable interface
      *
      * @return int
      */
     public function count()
     {
         return count($this->_actions);
     }
 
     /**
      * getIterator() - get all actions, this supports the IteratorAggregate interface
      *
      * @return array
      */
     public function getIterator()
     {
         return new ArrayIterator($this->_actions);
     }
 
 }