library/Zend/Feed/Reader/Extension/Podcast/Entry.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Feed_Reader
  17  * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
  18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19  * @version    $Id: Entry.php 16792 2009-07-17 02:52:37Z norm2782 $
  20  */
  21
  22 /**
  23  * @see Zend_Feed_Reader
  24  */
  25 require_once 'Zend/Feed/Reader.php';
  26
  27 /**
  28  * @see Zend_Feed_Reader_Extension_EntryAbstract
  29  */
  30 require_once 'Zend/Feed/Reader/Extension/EntryAbstract.php';
  31
  32 /**
  33  * @category   Zend
  34  * @package    Zend_Feed_Reader
  35  * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
  36  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  37  */
  38 class Zend_Feed_Reader_Extension_Podcast_Entry extends Zend_Feed_Reader_Extension_EntryAbstract
  39 {
  40     /**
  41      * Get the entry author
  42      *
  43      * @return string
  44      */
  45     public function getCastAuthor()
  46     {
  47         if (isset($this->_data['author'])) {
  48             return $this->_data['author'];
  49         }
  50
  51         $author = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:author)');
  52
  53         if (!$author) {
  54             $author = null;
  55         }
  56
  57         $this->_data['author'] = $author;
  58
  59         return $this->_data['author'];
  60     }
  61
  62     /**
  63      * Get the entry block
  64      *
  65      * @return string
  66      */
  67     public function getBlock()
  68     {
  69         if (isset($this->_data['block'])) {
  70             return $this->_data['block'];
  71         }
  72
  73         $block = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:block)');
  74
  75         if (!$block) {
  76             $block = null;
  77         }
  78
  79         $this->_data['block'] = $block;
  80
  81         return $this->_data['block'];
  82     }
  83
  84     /**
  85      * Get the entry duration
  86      *
  87      * @return string
  88      */
  89     public function getDuration()
  90     {
  91         if (isset($this->_data['duration'])) {
  92             return $this->_data['duration'];
  93         }
  94
  95         $duration = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:duration)');
  96
  97         if (!$duration) {
  98             $duration = null;
  99         }
 100
 101         $this->_data['duration'] = $duration;
 102
 103         return $this->_data['duration'];
 104     }
 105
 106     /**
 107      * Get the entry explicit
 108      *
 109      * @return string
 110      */
 111     public function getExplicit()
 112     {
 113         if (isset($this->_data['explicit'])) {
 114             return $this->_data['explicit'];
 115         }
 116
 117         $explicit = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:explicit)');
 118
 119         if (!$explicit) {
 120             $explicit = null;
 121         }
 122
 123         $this->_data['explicit'] = $explicit;
 124
 125         return $this->_data['explicit'];
 126     }
 127
 128     /**
 129      * Get the entry keywords
 130      *
 131      * @return string
 132      */
 133     public function getKeywords()
 134     {
 135         if (isset($this->_data['keywords'])) {
 136             return $this->_data['keywords'];
 137         }
 138
 139         $keywords = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:keywords)');
 140
 141         if (!$keywords) {
 142             $keywords = null;
 143         }
 144
 145         $this->_data['keywords'] = $keywords;
 146
 147         return $this->_data['keywords'];
 148     }
 149
 150     /**
 151      * Get the entry subtitle
 152      *
 153      * @return string
 154      */
 155     public function getSubtitle()
 156     {
 157         if (isset($this->_data['subtitle'])) {
 158             return $this->_data['subtitle'];
 159         }
 160
 161         $subtitle = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:subtitle)');
 162
 163         if (!$subtitle) {
 164             $subtitle = null;
 165         }
 166
 167         $this->_data['subtitle'] = $subtitle;
 168
 169         return $this->_data['subtitle'];
 170     }
 171
 172     /**
 173      * Get the entry summary
 174      *
 175      * @return string
 176      */
 177     public function getSummary()
 178     {
 179         if (isset($this->_data['summary'])) {
 180             return $this->_data['summary'];
 181         }
 182
 183         $summary = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:summary)');
 184
 185         if (!$summary) {
 186             $summary = null;
 187         }
 188
 189         $this->_data['summary'] = $summary;
 190
 191         return $this->_data['summary'];
 192     }
 193
 194     /**
 195      * Register iTunes namespace
 196      *
 197      */
 198     protected function _registerNamespaces()
 199     {
 200         $this->_xpath->registerNamespace('itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
 201     }
 202 }