<?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_Reader

 * @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 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Feed_Reader

 */

require_once 'Zend/Feed/Reader.php';

/**

 * @see Zend_Feed_Reader_Extension_EntryAbstract

 */

require_once 'Zend/Feed/Reader/Extension/EntryAbstract.php';

/**

 * @category   Zend

 * @package    Zend_Feed_Reader

 * @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_Reader_Extension_Podcast_Entry extends Zend_Feed_Reader_Extension_EntryAbstract

{

    /**

     * Get the entry author

     *

     * @return string

     */

    public function getCastAuthor()

    {

        if (isset($this->_data['author'])) {

            return $this->_data['author'];

        }

        $author = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:author)');

        if (!$author) {

            $author = null;

        }

        $this->_data['author'] = $author;

        return $this->_data['author'];

    }

    /**

     * Get the entry block

     *

     * @return string

     */

    public function getBlock()

    {

        if (isset($this->_data['block'])) {

            return $this->_data['block'];

        }

        $block = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:block)');

        if (!$block) {

            $block = null;

        }

        $this->_data['block'] = $block;

        return $this->_data['block'];

    }

    /**

     * Get the entry duration

     *

     * @return string

     */

    public function getDuration()

    {

        if (isset($this->_data['duration'])) {

            return $this->_data['duration'];

        }

        $duration = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:duration)');

        if (!$duration) {

            $duration = null;

        }

        $this->_data['duration'] = $duration;

        return $this->_data['duration'];

    }

    /**

     * Get the entry explicit

     *

     * @return string

     */

    public function getExplicit()

    {

        if (isset($this->_data['explicit'])) {

            return $this->_data['explicit'];

        }

        $explicit = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:explicit)');

        if (!$explicit) {

            $explicit = null;

        }

        $this->_data['explicit'] = $explicit;

        return $this->_data['explicit'];

    }

    /**

     * Get the entry keywords

     *

     * @return string

     */

    public function getKeywords()

    {

        if (isset($this->_data['keywords'])) {

            return $this->_data['keywords'];

        }

        $keywords = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:keywords)');

        if (!$keywords) {

            $keywords = null;

        }

        $this->_data['keywords'] = $keywords;

        return $this->_data['keywords'];

    }

    /**

     * Get the entry subtitle

     *

     * @return string

     */

    public function getSubtitle()

    {

        if (isset($this->_data['subtitle'])) {

            return $this->_data['subtitle'];

        }

        $subtitle = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:subtitle)');

        if (!$subtitle) {

            $subtitle = null;

        }

        $this->_data['subtitle'] = $subtitle;

        return $this->_data['subtitle'];

    }

    /**

     * Get the entry summary

     *

     * @return string

     */

    public function getSummary()

    {

        if (isset($this->_data['summary'])) {

            return $this->_data['summary'];

        }

        $summary = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:summary)');

        if (!$summary) {

            $summary = null;

        }

        $this->_data['summary'] = $summary;

        return $this->_data['summary'];

    }

    /**

     * Register iTunes namespace

     *

     */

    protected function _registerNamespaces()

    {

        $this->_xpath->registerNamespace('itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd');

    }

}