124 lines
3.6 KiB
PHP
124 lines
3.6 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Feed.php 20326 2010-01-16 00:20:43Z padraic $
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*/
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/**
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* @see Zend_Feed_Writer_Extension_RendererAbstract
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*/
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require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
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/**
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Feed_Writer_Extension_Atom_Renderer_Feed
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extends Zend_Feed_Writer_Extension_RendererAbstract
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{
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/**
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* Set to TRUE if a rendering method actually renders something. This
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* is used to prevent premature appending of a XML namespace declaration
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* until an element which requires it is actually appended.
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*
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* @var bool
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*/
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protected $_called = false;
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/**
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* Render feed
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*
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* @return void
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*/
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public function render()
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{
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/**
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* RSS 2.0 only. Used mainly to include Atom links and
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* Pubsubhubbub Hub endpoint URIs under the Atom namespace
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*/
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if (strtolower($this->getType()) == 'atom') {
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return;
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}
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$this->_setFeedLinks($this->_dom, $this->_base);
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$this->_setHubs($this->_dom, $this->_base);
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if ($this->_called) {
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$this->_appendNamespaces();
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}
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}
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/**
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* Append namespaces to root element of feed
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*
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* @return void
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*/
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protected function _appendNamespaces()
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{
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$this->getRootElement()->setAttribute('xmlns:atom',
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'http://www.w3.org/2005/Atom');
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}
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/**
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* Set feed link elements
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setFeedLinks(DOMDocument $dom, DOMElement $root)
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{
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$flinks = $this->getDataContainer()->getFeedLinks();
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if(!$flinks || empty($flinks)) {
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return;
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}
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foreach ($flinks as $type => $href) {
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$mime = 'application/' . strtolower($type) . '+xml';
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$flink = $dom->createElement('atom:link');
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$root->appendChild($flink);
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$flink->setAttribute('rel', 'self');
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$flink->setAttribute('type', $mime);
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$flink->setAttribute('href', $href);
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}
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$this->_called = true;
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}
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/**
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* Set PuSH hubs
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setHubs(DOMDocument $dom, DOMElement $root)
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{
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$hubs = $this->getDataContainer()->getHubs();
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if (!$hubs || empty($hubs)) {
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return;
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}
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foreach ($hubs as $hubUrl) {
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$hub = $dom->createElement('atom:link');
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$hub->setAttribute('rel', 'hub');
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$hub->setAttribute('href', $hubUrl);
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$root->appendChild($hub);
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}
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$this->_called = true;
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}
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}
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