<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * 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@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Connect
 * @copyright   Copyright (c) 2009 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


class Mage_Connect_Channel_VO implements Iterator
{
    
    private $_validator = null;
    
    protected $properties = array(
        'name' => '',
        'uri' => '',
        'summary' => '',
    );

    public function rewind() {
        reset($this->properties);
    }

    public function valid() {
        return current($this->properties) !== false;
    }

    public function key() {
        return key($this->properties);
    }

    public function current() {
        return current($this->properties);
    }

    public function next() {
        next($this->properties);
    }

    public function __get($var)
    {
        if (isset($this->properties[$var])) {
            return $this->properties[$var];
        }
        return null;
    }

    public function __set($var, $value)
    {
        if (is_string($value)) {
            $value = trim($value);
        }
        if (isset($this->properties[$var])) {
            if ($value === null) {
                $value = '';
            }
            $this->properties[$var] = $value;
        }
    }

    public function toArray()
    {
        return array('channel' => $this->properties);
    }
     
    public function fromArray(array $arr)
    {
        foreach($arr as $k=>$v) {
            $this->$k = $v;
        }
    }

    
    private function validator()
    { 
        if(is_null($this->_validator)) {
            $this->_validator = new Mage_Connect_Validator();
        }
        return $this->_validator;
    }
    
    /**
     Stub for validation result
     */
    public function validate()
    {
        $v = $this->validator();
        if(!$v->validatePackageName($this->name)) {
            return false;
        }
        return true;
    }

}