<?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_Feed_Writer * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Feed.php 24593 2012-01-05 20:35:02Z matthew $ */ /** * @see Zend_Feed_Writer_Extension_RendererAbstract */ require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php'; /** * @category Zend * @package Zend_Feed_Writer * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Feed_Writer_Extension_Atom_Renderer_Feed extends Zend_Feed_Writer_Extension_RendererAbstract { /** * Set to TRUE if a rendering method actually renders something. This * is used to prevent premature appending of a XML namespace declaration * until an element which requires it is actually appended. * * @var bool */ protected $_called = false; /** * Render feed * * @return void */ public function render() { /** * RSS 2.0 only. Used mainly to include Atom links and * Pubsubhubbub Hub endpoint URIs under the Atom namespace */ if (strtolower($this->getType()) == 'atom') { return; } $this->_setFeedLinks($this->_dom, $this->_base); $this->_setHubs($this->_dom, $this->_base); if ($this->_called) { $this->_appendNamespaces(); } } /** * Append namespaces to root element of feed * * @return void */ protected function _appendNamespaces() { $this->getRootElement()->setAttribute('xmlns:atom', 'http://www.w3.org/2005/Atom'); } /** * Set feed link elements * * @param DOMDocument $dom * @param DOMElement $root * @return void */ protected function _setFeedLinks(DOMDocument $dom, DOMElement $root) { $flinks = $this->getDataContainer()->getFeedLinks(); if(!$flinks || empty($flinks)) { return; } foreach ($flinks as $type => $href) { $mime = 'application/' . strtolower($type) . '+xml'; $flink = $dom->createElement('atom:link'); $root->appendChild($flink); $flink->setAttribute('rel', 'self'); $flink->setAttribute('type', $mime); $flink->setAttribute('href', $href); } $this->_called = true; } /** * Set PuSH hubs * * @param DOMDocument $dom * @param DOMElement $root * @return void */ protected function _setHubs(DOMDocument $dom, DOMElement $root) { $hubs = $this->getDataContainer()->getHubs(); if (!$hubs || empty($hubs)) { return; } foreach ($hubs as $hubUrl) { $hub = $dom->createElement('atom:link'); $hub->setAttribute('rel', 'hub'); $hub->setAttribute('href', $hubUrl); $root->appendChild($hub); } $this->_called = true; } }