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<?php
/**
* @package Joomla.Platform
* @subpackage Feed
*
* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* ATOM Feed Parser class.
*
* @link http://www.atomenabled.org/developers/syndication/
* @since 12.3
*/
class JFeedParserAtom extends JFeedParser
{
/**
* @var string The feed format version.
* @since 12.3
*/
protected $version;
/**
* Method to handle the `<author>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleAuthor(JFeed $feed, SimpleXMLElement $el)
{
// Set the author information from the XML element.
$feed->setAuthor((string) $el->name, (string) $el->email, (string) $el->uri);
}
/**
* Method to handle the `<contributor>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleContributor(JFeed $feed, SimpleXMLElement $el)
{
$feed->addContributor((string) $el->name, (string) $el->email, (string) $el->uri);
}
/**
* Method to handle the `<generator>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleGenerator(JFeed $feed, SimpleXMLElement $el)
{
$feed->generator = (string) $el;
}
/**
* Method to handle the `<id>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleId(JFeed $feed, SimpleXMLElement $el)
{
$feed->uri = (string) $el;
}
/**
* Method to handle the `<link>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleLink(JFeed $feed, SimpleXMLElement $el)
{
$link = new JFeedLink;
$link->uri = (string) $el['href'];
$link->language = (string) $el['hreflang'];
$link->length = (int) $el['length'];
$link->relation = (string) $el['rel'];
$link->title = (string) $el['title'];
$link->type = (string) $el['type'];
$feed->link = $link;
}
/**
* Method to handle the `<rights>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleRights(JFeed $feed, SimpleXMLElement $el)
{
$feed->copyright = (string) $el;
}
/**
* Method to handle the `<subtitle>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleSubtitle(JFeed $feed, SimpleXMLElement $el)
{
$feed->description = (string) $el;
}
/**
* Method to handle the `<title>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleTitle(JFeed $feed, SimpleXMLElement $el)
{
$feed->title = (string) $el;
}
/**
* Method to handle the `<updated>` element for the feed.
*
* @param JFeed $feed The JFeed object being built from the parsed feed.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function handleUpdated(JFeed $feed, SimpleXMLElement $el)
{
$feed->updatedDate = (string) $el;
}
/**
* Method to initialise the feed for parsing. Here we detect the version and advance the stream
* reader so that it is ready to parse feed elements.
*
* @return void
*
* @since 12.3
*/
protected function initialise()
{
// Read the version attribute.
$this->version = ($this->stream->getAttribute('version') == '0.3') ? '0.3' : '1.0';
// We want to move forward to the first element after the root element.
$this->moveToNextElement();
}
/**
* Method to handle a `<entry>` element for the feed.
*
* @param JFeedEntry $entry The JFeedEntry object being built from the parsed feed entry.
* @param SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 12.3
*/
protected function processFeedEntry(JFeedEntry $entry, SimpleXMLElement $el)
{
$entry->uri = (string) $el->id;
$entry->title = (string) $el->title;
$entry->updatedDate = (string) $el->updated;
$entry->content = (string) $el->summary;
}
}
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