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<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Entry.php 20326 2010-01-16 00:20:43Z padraic $
*/
/**
* @see Zend_Feed_Writer_Extension_RendererAbstract
*/
require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
/**
* @category Zend
* @package Zend_Feed_Writer
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Writer_Extension_ITunes_Renderer_Entry
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 entry
*
* @return void
*/
public function render()
{
$this->_setAuthors($this->_dom, $this->_base);
$this->_setBlock($this->_dom, $this->_base);
$this->_setDuration($this->_dom, $this->_base);
$this->_setExplicit($this->_dom, $this->_base);
$this->_setKeywords($this->_dom, $this->_base);
$this->_setSubtitle($this->_dom, $this->_base);
$this->_setSummary($this->_dom, $this->_base);
if ($this->_called) {
$this->_appendNamespaces();
}
}
/**
* Append namespaces to entry root
*
* @return void
*/
protected function _appendNamespaces()
{
$this->getRootElement()->setAttribute('xmlns:itunes',
'http://www.itunes.com/dtds/podcast-1.0.dtd');
}
/**
* Set entry authors
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setAuthors(DOMDocument $dom, DOMElement $root)
{
$authors = $this->getDataContainer()->getItunesAuthors();
if (!$authors || empty($authors)) {
return;
}
foreach ($authors as $author) {
$el = $dom->createElement('itunes:author');
$text = $dom->createTextNode($author);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
}
/**
* Set itunes block
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setBlock(DOMDocument $dom, DOMElement $root)
{
$block = $this->getDataContainer()->getItunesBlock();
if (is_null($block)) {
return;
}
$el = $dom->createElement('itunes:block');
$text = $dom->createTextNode($block);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set entry duration
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setDuration(DOMDocument $dom, DOMElement $root)
{
$duration = $this->getDataContainer()->getItunesDuration();
if (!$duration) {
return;
}
$el = $dom->createElement('itunes:duration');
$text = $dom->createTextNode($duration);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set explicit flag
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setExplicit(DOMDocument $dom, DOMElement $root)
{
$explicit = $this->getDataContainer()->getItunesExplicit();
if (is_null($explicit)) {
return;
}
$el = $dom->createElement('itunes:explicit');
$text = $dom->createTextNode($explicit);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set entry keywords
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setKeywords(DOMDocument $dom, DOMElement $root)
{
$keywords = $this->getDataContainer()->getItunesKeywords();
if (!$keywords || empty($keywords)) {
return;
}
$el = $dom->createElement('itunes:keywords');
$text = $dom->createTextNode(implode(',', $keywords));
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set entry subtitle
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setSubtitle(DOMDocument $dom, DOMElement $root)
{
$subtitle = $this->getDataContainer()->getItunesSubtitle();
if (!$subtitle) {
return;
}
$el = $dom->createElement('itunes:subtitle');
$text = $dom->createTextNode($subtitle);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set entry summary
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setSummary(DOMDocument $dom, DOMElement $root)
{
$summary = $this->getDataContainer()->getItunesSummary();
if (!$summary) {
return;
}
$el = $dom->createElement('itunes:summary');
$text = $dom->createTextNode($summary);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
}
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