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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_Application
  * @subpackage Resource
  * @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_Application_Resource_Resource
  */
 // require_once 'Zend/Application/Resource/Resource.php';
 
 /**
  * Abstract class for bootstrap resources
  *
  * @uses       Zend_Application_Resource_Resource
  * @category   Zend
  * @package    Zend_Application
  * @subpackage Resource
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Application_Resource_ResourceAbstract implements Zend_Application_Resource_Resource
 {
     /**
      * Parent bootstrap
      *
      * @var Zend_Application_Bootstrap_Bootstrapper
      */
     protected $_bootstrap;
 
     /**
      * Options for the resource
      *
      * @var array
      */
     protected $_options = array();
 
     /**
      * Option keys to skip when calling setOptions()
      *
      * @var array
      */
     protected $_skipOptions = array(
         'options',
         'config',
     );
 
     /**
      * Create a instance with options
      *
      * @param mixed $options
      */
     public function __construct($options = null)
     {
         if (is_array($options)) {
             $this->setOptions($options);
         } else if ($options instanceof Zend_Config) {
             $this->setOptions($options->toArray());
         }
     }
 
     /**
      * Set options from array
      *
      * @param  array $options Configuration for resource
      * @return Zend_Application_Resource_ResourceAbstract
      */
     public function setOptions(array $options)
     {
         if (array_key_exists('bootstrap', $options)) {
             $this->setBootstrap($options['bootstrap']);
             unset($options['bootstrap']);
         }
 
         foreach ($options as $key => $value) {
             if (in_array(strtolower($key), $this->_skipOptions)) {
                 continue;
             }
 
             $method = 'set' . strtolower($key);
             if (method_exists($this, $method)) {
                 $this->$method($value);
             }
         }
 
         $this->_options = $this->mergeOptions($this->_options, $options);
 
         return $this;
     }
 
     /**
      * Retrieve resource options
      *
      * @return array
      */
     public function getOptions()
     {
         return $this->_options;
     }
 
     /**
      * Merge options recursively
      *
      * @param  array $array1
      * @param  mixed $array2
      * @return array
      */
     public function mergeOptions(array $array1, $array2 = null)
     {
         if (is_array($array2)) {
             foreach ($array2 as $key => $val) {
                 if (is_array($array2[$key])) {
                     $array1[$key] = (array_key_exists($key, $array1) && is_array($array1[$key]))
                                   ? $this->mergeOptions($array1[$key], $array2[$key])
                                   : $array2[$key];
                 } else {
                     $array1[$key] = $val;
                 }
             }
         }
         return $array1;
     }
 
     /**
      * Set the bootstrap to which the resource is attached
      *
      * @param  Zend_Application_Bootstrap_Bootstrapper $bootstrap
      * @return Zend_Application_Resource_Resource
      */
     public function setBootstrap(Zend_Application_Bootstrap_Bootstrapper $bootstrap)
     {
         $this->_bootstrap = $bootstrap;
         return $this;
     }
 
     /**
      * Retrieve the bootstrap to which the resource is attached
      *
      * @return null|Zend_Application_Bootstrap_Bootstrapper
      */
     public function getBootstrap()
     {
         return $this->_bootstrap;
     }
 }