<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: ResourceAbstract.php 23384 2010-11-19 00:00:29Z ramon $

 */

/**

 * @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) 2005-2010 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;

    }

}