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<?php
namespace PicoFeed\Serialization;
use SimpleXMLElement;
/**
* Class SubscriptionParser
*
* @package PicoFeed\Serialization
* @author Frederic Guillot
*/
class SubscriptionParser
{
/**
* @var Subscription
*/
protected $subscription;
/**
* @var SimpleXMLElement
*/
private $outlineElement;
/**
* @var SimpleXMLElement
*/
private $parentElement;
/**
* Constructor
*
* @access public
* @param SimpleXMLElement $parentElement
* @param SimpleXMLElement $outlineElement
*/
public function __construct(SimpleXMLElement $parentElement, SimpleXMLElement $outlineElement)
{
$this->parentElement = $parentElement;
$this->outlineElement = $outlineElement;
$this->subscription = new Subscription();
}
/**
* Get object instance
*
* @static
* @access public
* @param SimpleXMLElement $parentElement
* @param SimpleXMLElement $outlineElement
* @return SubscriptionParser
*/
public static function create(SimpleXMLElement $parentElement, SimpleXMLElement $outlineElement)
{
return new static($parentElement, $outlineElement);
}
/**
* Parse subscription entry
*
* @access public
* @return Subscription
*/
public function parse()
{
$this->subscription->setCategory($this->findCategory());
$this->subscription->setTitle($this->findTitle());
$this->subscription->setFeedUrl($this->findFeedUrl());
$this->subscription->setSiteUrl($this->findSiteUrl());
$this->subscription->setType($this->findType());
$this->subscription->setDescription($this->findDescription());
return $this->subscription;
}
/**
* Find category.
*
* @access protected
* @return string
*/
protected function findCategory()
{
return isset($this->parentElement['text']) ? (string) $this->parentElement['text'] : '';
}
/**
* Find title.
*
* @access protected
* @return string
*/
protected function findTitle()
{
return isset($this->outlineElement['title']) ? (string) $this->outlineElement['title'] : (string) $this->outlineElement['text'];
}
/**
* Find feed url.
*
* @access protected
* @return string
*/
protected function findFeedUrl()
{
return (string) $this->outlineElement['xmlUrl'];
}
/**
* Find site url.
*
* @access protected
* @return string
*/
protected function findSiteUrl()
{
return isset($this->outlineElement['htmlUrl']) ? (string) $this->outlineElement['htmlUrl'] : $this->findFeedUrl();
}
/**
* Find type.
*
* @access protected
* @return string
*/
protected function findType()
{
return isset($this->outlineElement['version']) ? (string) $this->outlineElement['version'] :
isset($this->outlineElement['type']) ? (string) $this->outlineElement['type'] : 'rss';
}
/**
* Find description.
*
* @access protected
* @return string
*/
protected function findDescription()
{
return isset($this->outlineElement['description']) ? (string) $this->outlineElement['description'] : $this->findTitle();
}
}
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