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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Feed_Reader |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: Feed.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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20 */ |
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21 |
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22 /** |
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23 * @see Zend_Feed_Reader_Extension_FeedAbstract |
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24 */ |
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25 require_once 'Zend/Feed/Reader/Extension/FeedAbstract.php'; |
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26 |
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27 /** |
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28 * @category Zend |
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29 * @package Zend_Feed_Reader |
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30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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31 * @license http://framework.zend.com/license/new-bsd New BSD License |
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32 */ |
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33 class Zend_Feed_Reader_Extension_CreativeCommons_Feed |
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34 extends Zend_Feed_Reader_Extension_FeedAbstract |
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35 { |
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36 /** |
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37 * Get the entry license |
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38 * |
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39 * @return string|null |
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40 */ |
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41 public function getLicense($index = 0) |
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42 { |
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43 $licenses = $this->getLicenses(); |
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44 |
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45 if (isset($licenses[$index])) { |
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46 return $licenses[$index]; |
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47 } |
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48 |
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49 return null; |
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50 } |
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51 |
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52 /** |
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53 * Get the entry licenses |
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54 * |
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55 * @return array |
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56 */ |
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57 public function getLicenses() |
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58 { |
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59 $name = 'licenses'; |
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60 if (array_key_exists($name, $this->_data)) { |
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61 return $this->_data[$name]; |
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62 } |
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63 |
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64 $licenses = array(); |
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65 $list = $this->_xpath->evaluate('channel/cc:license'); |
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66 |
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67 if ($list->length) { |
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68 foreach ($list as $license) { |
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69 $licenses[] = $license->nodeValue; |
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70 } |
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71 |
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72 $licenses = array_unique($licenses); |
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73 } |
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74 |
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75 $this->_data[$name] = $licenses; |
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76 |
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77 return $this->_data[$name]; |
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78 } |
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79 |
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80 /** |
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81 * Register Creative Commons namespaces |
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82 * |
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83 * @return void |
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84 */ |
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85 protected function _registerNamespaces() |
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86 { |
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87 $this->_xpath->registerNamespace('cc', 'http://backend.userland.com/creativeCommonsRssModule'); |
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88 } |
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89 } |