PHP KalturaPluginManager::getPluginInstance方法代码示例

 public function getInstance($interface)
 {
     if ($this instanceof $interface) {
         return $this;
     }
     $plugin = KalturaPluginManager::getPluginInstance(MetadataPlugin::getPluginName());
     if ($plugin) {
         return $plugin->getInstance($interface);
     }
     return null;
 }

 public function imgAction()
 {
     $pluginName = $this->_getParam('plugin');
     $imgName = $this->_getParam('img');
     $plugin = KalturaPluginManager::getPluginInstance($pluginName);
     if (!$plugin || !$plugin instanceof IKalturaApplicationImages) {
         $message = "Plugin [{$pluginName}] is not an application images plugin";
         throw new Infra_Exception($message, Infra_Exception::ERROR_CODE_MISSING_PLUGIN);
     }
     $imgPath = $plugin->getImagePath($imgName);
     if (!file_exists($imgPath)) {
         $message = "File [{$imgPath}] not found";
         throw new Infra_Exception($message, Infra_Exception::ERROR_CODE_MISSING_PLUGIN_FILE);
     }
     $this->getHelper('layout')->disableLayout();
     $this->getHelper('viewRenderer')->setNoRender();
     header('Content-type: image/jpg');
     readfile($imgPath);
 }

 private function loadChildTypes(KalturaTypeReflector $typeReflector)
 {
     if (isset($this->_types[$typeReflector->getType()])) {
         return;
     }
     if (in_array($typeReflector->getType(), $this->_typesToIgnore)) {
         return;
     }
     $this->addType($typeReflector);
     $cacheTypesClassMap = false;
     if (!$this->_typesClassMap) {
         $this->initClassMap();
         $this->_typesClassMap = $this->_classMap;
         $cacheTypesClassMap = true;
     }
     foreach ($this->_typesClassMap as $class => $path) {
         if (strpos($class, 'Kaltura') === 0 && strpos($class, '_') === false && strpos($path, 'api') !== false) {
             $reflector = new ReflectionClass($class);
             if ($reflector->isSubclassOf('KalturaObject') && $reflector->isSubclassOf($typeReflector->getType())) {
                 $classTypeReflector = KalturaTypeReflectorCacher::get($class);
                 if (!$classTypeReflector) {
                     throw new Exception("Type [{$class}] reflector not found");
                 }
                 $pluginName = $classTypeReflector->getPlugin();
                 if ($pluginName && !KalturaPluginManager::getPluginInstance($pluginName)) {
                     unset($this->_typesClassMap[$class]);
                     continue;
                 }
                 if ($classTypeReflector) {
                     $this->loadTypesRecursive($classTypeReflector);
                 }
             }
         } else {
             unset($this->_typesClassMap[$class]);
         }
     }
     if ($cacheTypesClassMap) {
         file_put_contents($this->getTypesClassMapPath(), serialize($this->_typesClassMap));
     }
 }

 /**
  * @param DOMElement $item
  * @param array $captionAssets
  * @param array $remoteCaptionFileUrls
  */
 public function setCaptionAsset($item, array $captionAssets)
 {
     if (is_array($captionAssets)) {
         foreach ($captionAssets as $captionAsset) {
             /* @var $additionalAsset asset */
             $assetType = $captionAsset->getType();
             switch ($assetType) {
                 case CaptionPlugin::getAssetTypeCoreValue(CaptionAssetType::CAPTION):
                     /* @var $captionPlugin CaptionPlugin */
                     $captionPlugin = KalturaPluginManager::getPluginInstance(CaptionPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $captionPlugin->contributeCaptionAssets($captionAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $captionDom = $dummyDom->getElementsByTagName('subTitle');
                     $captionDom = $this->doc->importNode($captionDom->item(0), true);
                     $captionDom = $item->appendChild($captionDom);
                     break;
                 case AttachmentPlugin::getAssetTypeCoreValue(AttachmentAssetType::ATTACHMENT):
                     /* @var $attachmentPlugin AttachmentPlugin */
                     $attachmentPlugin = KalturaPluginManager::getPluginInstance(AttachmentPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $attachmentPlugin->contributeAttachmentAssets($captionAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $attachmentDom = $dummyDom->getElementsByTagName('attachment');
                     $attachmentDom = $this->doc->importNode($attachmentDom->item(0), true);
                     $attachmentDom = $item->appendChild($attachmentDom);
                     break;
             }
         }
     }
 }

 /**
  * Check which server plugins should be used
  * @param KalturaCrossKalturaDistributionProfile $distributionProfile
  * @throws Exception
  */
 protected function initPlugins(KalturaCrossKalturaDistributionProfile $distributionProfile)
 {
     // check if should distribute caption assets
     $this->distributeCaptions = false;
     if ($distributionProfile->distributeCaptions == true) {
         if (class_exists('CaptionPlugin') && class_exists('KalturaCaptionClientPlugin') && KalturaPluginManager::getPluginInstance(CaptionPlugin::getPluginName())) {
             $this->distributeCaptions = true;
         } else {
             throw new Exception('Missing CaptionPlugin');
         }
     }
     // check if should distribute cue points
     $this->distributeCuePoints = false;
     if ($distributionProfile->distributeCuePoints == true) {
         if (class_exists('CuePointPlugin') && class_exists('KalturaCuePointClientPlugin') && KalturaPluginManager::getPluginInstance(CuePointPlugin::getPluginName())) {
             $this->distributeCuePoints = true;
         } else {
             throw new Exception('Missing CuePointPlugin');
         }
     }
 }

 /**
  * @param array $values
  */
 public function addItem(array $values, flavorAsset $flavorAsset = null, thumbAsset $thumbAsset = null, array $additionalAssets = null)
 {
     $item = $this->item->cloneNode(true);
     $channelNode = $this->xpath->query('/rss/channel', $item)->item(0);
     $channelNode->appendChild($item);
     $pubDate = date('c', $values[TVComDistributionField::ITEM_PUB_DATE]);
     $expDate = date('c', $values[TVComDistributionField::ITEM_EXP_DATE]);
     $node = $this->setNodeValue('guid', $values[TVComDistributionField::GUID_ID], $item);
     $node = $this->setNodeValue('pubDate', $pubDate, $item);
     $node = $this->setNodeValue('expDate', $expDate, $item);
     $node = $this->setNodeValue('link', $values[TVComDistributionField::ITEM_LINK], $item);
     $node = $this->setNodeValue('media:group/media:title', $values[TVComDistributionField::MEDIA_TITLE], $item);
     $node = $this->setNodeValue('media:group/media:description', $values[TVComDistributionField::MEDIA_DESCRIPTION], $item);
     $node = $this->setNodeValue('media:group/media:keywords', $values[TVComDistributionField::MEDIA_KEYWORDS], $item);
     $node = $this->setNodeValue('media:group/media:copyright', $values[TVComDistributionField::MEDIA_COPYRIGHT], $item);
     $node = $this->setNodeValue('media:group/media:rating', $values[TVComDistributionField::MEDIA_RATING], $item);
     $node = $this->setNodeValue('media:group/media:restriction/@relationship', $values[TVComDistributionField::MEDIA_RESTRICTION_TYPE], $item);
     $node = $this->setNodeValue('media:group/media:restriction', $values[TVComDistributionField::MEDIA_RESTRICTION_COUNTRIES], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:show-tmsid\']', $values[TVComDistributionField::MEDIA_CATEGORY_SHOW_TMSID], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:show-tmsid\']/@label', $values[TVComDistributionField::MEDIA_CATEGORY_SHOW_TMSID_LABEL], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:episode-tmsid\']', $values[TVComDistributionField::MEDIA_CATEGORY_EPISODE_TMSID], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:episode-tmsid\']/@label', $values[TVComDistributionField::MEDIA_CATEGORY_EPISODE_TMSID_LABEL], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:episodetype\']', $values[TVComDistributionField::MEDIA_CATEGORY_EPISODE_TYPE], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:original_air_date\']', $values[TVComDistributionField::MEDIA_CATEGORY_ORIGINAL_AIR_DATE], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:video_format\']', $values[TVComDistributionField::MEDIA_CATEGORY_VIDEO_FORMAT], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:season_number\']', $values[TVComDistributionField::MEDIA_CATEGORY_SEASON_NUMBER], $item);
     $node = $this->setNodeValue('media:group/media:category[@scheme=\'urn:tvcom:episode_number\']', $values[TVComDistributionField::MEDIA_CATEGORY_EPISODE_NUMBER], $item);
     $dcTerms = "start={$pubDate}; end={$expDate}; scheme=W3C-DTF";
     $node = $this->setNodeValue('dcterms:valid', $dcTerms, $item);
     if ($flavorAsset) {
         $node = $this->setNodeValue('media:group/media:content/@url', $this->getAssetUrl($flavorAsset), $item);
         $type = '';
         switch ($flavorAsset->getFileExt()) {
             case 'mp4':
                 $type = 'video/mp4';
                 break;
             case 'flv':
                 $type = 'video/x-flv';
                 break;
         }
         $node = $this->setNodeValue('media:group/media:content/@type', $type, $item);
         $node = $this->setNodeValue('media:group/media:content/@fileSize', $flavorAsset->getSize(), $item);
         $node = $this->setNodeValue('media:group/media:content/@expression', $values[TVComDistributionField::MEDIA_CATEGORY_EPISODE_TYPE], $item);
         $node = $this->setNodeValue('media:group/media:content/@duration', floor($flavorAsset->getentry()->getDuration()), $item);
     }
     if ($thumbAsset) {
         $node = $this->setNodeValue('media:group/media:thumbnail/@url', $this->getAssetUrl($thumbAsset), $item);
         $node = $this->setNodeValue('media:group/media:thumbnail/@width', $thumbAsset->getWidth(), $item);
         $node = $this->setNodeValue('media:group/media:thumbnail/@height', $thumbAsset->getHeight(), $item);
     }
     if (is_array($additionalAssets)) {
         foreach ($additionalAssets as $additionalAsset) {
             /* @var $additionalAsset asset */
             $assetType = $additionalAsset->getType();
             switch ($assetType) {
                 case CaptionPlugin::getAssetTypeCoreValue(CaptionAssetType::CAPTION):
                     /* @var $captionPlugin CaptionPlugin */
                     $captionPlugin = KalturaPluginManager::getPluginInstance(CaptionPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $captionPlugin->contributeCaptionAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $captionDom = $dummyDom->getElementsByTagName('subTitle');
                     $captionDom = $this->doc->importNode($captionDom->item(0), true);
                     $captionDom = $item->appendChild($captionDom);
                     break;
                 case AttachmentPlugin::getAssetTypeCoreValue(AttachmentAssetType::ATTACHMENT):
                     /* @var $attachmentPlugin AttachmentPlugin */
                     $attachmentPlugin = KalturaPluginManager::getPluginInstance(AttachmentPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $attachmentPlugin->contributeAttachmentAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $attachmentDom = $dummyDom->getElementsByTagName('attachment');
                     $attachmentDom = $this->doc->importNode($attachmentDom->item(0), true);
                     $attachmentDom = $item->appendChild($attachmentDom);
                     break;
             }
         }
     }
 }

 /**
  * @param string $value
  * @return IKalturaEnumerator
  */
 public static function getPlugin($value)
 {
     $split = explode(IKalturaEnumerator::PLUGIN_VALUE_DELIMITER, $value, 2);
     if (count($split) == 1) {
         return null;
     }
     list($pluginName, $valueName) = $split;
     $plugin = KalturaPluginManager::getPluginInstance($pluginName);
     if ($plugin && $plugin instanceof IKalturaEnumerator) {
         return $plugin;
     }
     return null;
 }

 /**
  * @param array $values
  * @param array $flavorAssets
  * @param array $thumbAssets
  */
 public function getItem(array $values, array $flavorAssets = null, array $thumbAssets = null, array $additionalAssets = null)
 {
     $item = $this->item->cloneNode(true);
     kXml::setNodeValue($this->xpath, 'guid', $values[TimeWarnerDistributionField::GUID], $item);
     kXml::setNodeValue($this->xpath, 'title', $values[TimeWarnerDistributionField::TITLE], $item);
     kXml::setNodeValue($this->xpath, 'description', $values[TimeWarnerDistributionField::DESCRIPTION], $item);
     kXml::setNodeValue($this->xpath, 'author', $values[TimeWarnerDistributionField::AUTHOR], $item);
     kXml::setNodeValue($this->xpath, 'pubDate', $this->formatTimeWarnerDate($values[TimeWarnerDistributionField::PUB_DATE]), $item);
     kXml::setNodeValue($this->xpath, 'media:copyright', $values[TimeWarnerDistributionField::MEDIA_COPYRIGHT], $item);
     kXml::setNodeValue($this->xpath, 'media:keywords', $values[TimeWarnerDistributionField::MEDIA_KEYWORDS], $item);
     kXml::setNodeValue($this->xpath, 'media:rating', $values[TimeWarnerDistributionField::MEDIA_RATING], $item);
     //handle category
     $this->addCategory($item, 'CT-' . $values[TimeWarnerDistributionField::MEDIA_CATEGORY_CT]);
     if ($values[TimeWarnerDistributionField::MEDIA_CATEGORY_GR] != "") {
         $this->addCategory($item, 'GR-' . $values[TimeWarnerDistributionField::MEDIA_CATEGORY_GR]);
     } else {
         $this->addCategory($item, 'GR-None');
     }
     $this->addCategory($item, 'TX-' . $values[TimeWarnerDistributionField::MEDIA_CATEGORY_TX]);
     $geCategories = explode(',', $values[TimeWarnerDistributionField::MEDIA_CATEGORY_GE]);
     $geCategories = array_unique($geCategories);
     foreach ($geCategories as $geCategory) {
         $this->addCategory($item, 'GE-' . $geCategory);
     }
     kXml::setNodeValue($this->xpath, 'plmedia:approved', $values[TimeWarnerDistributionField::PLMEDIA_APPROVED], $item);
     kXml::setNodeValue($this->xpath, 'twcable:episodeNumber', $values[TimeWarnerDistributionField::CABLE_EPISODE_NUMBER], $item);
     kXml::setNodeValue($this->xpath, 'twcable:externalID', $values[TimeWarnerDistributionField::CABLE_EXTERNAL_ID], $item);
     kXml::setNodeValue($this->xpath, 'twcable:productionDate', $values[TimeWarnerDistributionField::CABLE_PRODUCTION_DATE], $item);
     kXml::setNodeValue($this->xpath, 'twcable:network', $values[TimeWarnerDistributionField::CABLE_NETWORK], $item);
     kXml::setNodeValue($this->xpath, 'twcable:provider', $values[TimeWarnerDistributionField::CABLE_PROVIDER], $item);
     kXml::setNodeValue($this->xpath, 'twcable:shortDescription', $values[TimeWarnerDistributionField::CABLE_SHORT_DESCRIPTION], $item);
     kXml::setNodeValue($this->xpath, 'twcable:shortTitle', $values[TimeWarnerDistributionField::CABLE_SHORT_TITLE], $item);
     kXml::setNodeValue($this->xpath, 'twcable:showName', $values[TimeWarnerDistributionField::CABLE_SHOW_NAME], $item);
     $startTime = date('c', $values[TimeWarnerDistributionField::START_TIME]);
     $endTime = date('c', $values[TimeWarnerDistributionField::END_TIME]);
     $dcTerms = "start={$startTime}; end={$endTime};";
     kXml::setNodeValue($this->xpath, 'dcterms:valid', $dcTerms, $item);
     if (!is_null($flavorAssets) && is_array($flavorAssets) && count($flavorAssets) > 0) {
         $this->setFlavorAsset($item, $flavorAssets);
     }
     if (!is_null($thumbAssets) && is_array($thumbAssets) && count($thumbAssets) > 0) {
         $this->setThumbAsset($item, $thumbAssets);
     }
     if (is_array($additionalAssets)) {
         foreach ($additionalAssets as $additionalAsset) {
             /* @var $additionalAsset asset */
             $assetType = $additionalAsset->getType();
             switch ($assetType) {
                 case CaptionPlugin::getAssetTypeCoreValue(CaptionAssetType::CAPTION):
                     /* @var $captionPlugin CaptionPlugin */
                     $captionPlugin = KalturaPluginManager::getPluginInstance(CaptionPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $captionPlugin->contributeCaptionAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $captionDom = $dummyDom->getElementsByTagName('subTitle');
                     $captionDom = $this->doc->importNode($captionDom->item(0), true);
                     $captionDom = $item->appendChild($captionDom);
                     break;
                 case AttachmentPlugin::getAssetTypeCoreValue(AttachmentAssetType::ATTACHMENT):
                     /* @var $attachmentPlugin AttachmentPlugin */
                     $attachmentPlugin = KalturaPluginManager::getPluginInstance(AttachmentPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $attachmentPlugin->contributeAttachmentAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $attachmentDom = $dummyDom->getElementsByTagName('attachment');
                     $attachmentDom = $this->doc->importNode($attachmentDom->item(0), true);
                     $attachmentDom = $item->appendChild($attachmentDom);
                     break;
             }
         }
     }
     return $item;
 }

 /**
  * Checks whether the string enum value is valid for the reflected string enum 
  *
  * @param mixed $value
  * @return boolean
  */
 public function checkStringEnumValue($value)
 {
     if (!$this->isStringEnum()) {
         return false;
     }
     $this->getConstants();
     foreach ($this->_constants as $constValue) {
         if ((string) $constValue->getDefaultValue() === (string) $value) {
             return true;
         }
     }
     if ($this->isDynamicEnum()) {
         $split = explode(IKalturaEnumerator::PLUGIN_VALUE_DELIMITER, $value, 2);
         if (count($split) == 1) {
             return false;
         }
         list($pluginName, $valueName) = $split;
         $type = $this->getType();
         // TODO remove call_user_func after moving to php 5.3
         $baseEnumName = call_user_func(array($type, 'getEnumClass'));
         //		$baseEnumName = $type::getEnumClass();
         $pluginInstance = KalturaPluginManager::getPluginInstance($pluginName);
         $enums = $pluginInstance->getEnums($baseEnumName);
         foreach ($enums as $enum) {
             // TODO remove call_user_func after moving to php 5.3
             $enumConstans = call_user_func(array($enum, 'getAdditionalValues'));
             //			$enumConstans = $enum::getAdditionalValues();
             if (in_array($valueName, $enumConstans)) {
                 return true;
             }
         }
     }
     return false;
 }

 /**
  * @param array $values
  * @param array $flavorAssets
  * @param array $thumbAssets
  */
 public function getItem(array $values, entry $entry, array $flavorAssets = null, array $thumbAssets = null, array $additionalAssets = null)
 {
     $item = $this->item->cloneNode(true);
     kXml::setNodeValue($this->xpath, 'atom:title', $values[SynacorHboDistributionField::ENTRY_TITLE], $item);
     kXml::setNodeValue($this->xpath, 'atom:summary', $values[SynacorHboDistributionField::ENTRY_SUMMARY], $item);
     $updatedTime = $this->formatSynacorHboTime($values[SynacorHboDistributionField::ENTRY_UPDATED]);
     kXml::setNodeValue($this->xpath, 'atom:updated', $updatedTime, $item);
     kXml::setNodeValue($this->xpath, 'atom:author/atom:name', $values[SynacorHboDistributionField::ENTRY_AUTHOR_NAME], $item);
     $categoryValue = $values[SynacorHboDistributionField::ENTRY_CATEGORY_TERM];
     if (strlen($categoryValue) > 0) {
         kXml::setNodeValue($this->xpath, 'atom:category/@term', $categoryValue, $item);
     } else {
         $this->removeNode('atom:category', $item);
     }
     $genreValue = $values[SynacorHboDistributionField::ENTRY_GENRE_TERM];
     if (strlen($genreValue) > 0) {
         kXml::setNodeValue($this->xpath, 'atom:genre/@term', $genreValue, $item);
     } else {
         $this->removeNode('atom:genre', $item);
     }
     kXml::setNodeValue($this->xpath, 'atom:assetType', $values[SynacorHboDistributionField::ENTRY_ASSET_TYPE], $item);
     kXml::setNodeValue($this->xpath, 'atom:assetId', $values[SynacorHboDistributionField::ENTRY_ASSET_ID], $item);
     $startTime = $this->formatSynacorHboTime($values[SynacorHboDistributionField::ENTRY_OFFERING_START]);
     kXml::setNodeValue($this->xpath, 'atom:offering/atom:start', $startTime, $item);
     $endTime = $this->formatSynacorHboTime($values[SynacorHboDistributionField::ENTRY_OFFERING_END]);
     kXml::setNodeValue($this->xpath, 'atom:offering/atom:end', $endTime, $item);
     $ratingValue = $values[SynacorHboDistributionField::ENTRY_RATING];
     if (strlen($ratingValue) > 0) {
         kXml::setNodeValue($this->xpath, 'atom:rating', $ratingValue, $item);
         $ratingType = stripos($ratingValue, 'tv') === '0' ? 'tv' : 'theatrical';
         kXml::setNodeValue($this->xpath, 'atom:rating/@type', $ratingType, $item);
     } else {
         $this->removeNode('atom:rating', $item);
     }
     $durationInSeconds = ceil($entry->getDuration());
     $durationInMinuesRoundedUp = ceil($durationInSeconds / 60);
     kXml::setNodeValue($this->xpath, 'atom:runtime', $durationInMinuesRoundedUp, $item);
     kXml::setNodeValue($this->xpath, 'atom:runtime/@timeInSeconds', $durationInSeconds, $item);
     kXml::setNodeValue($this->xpath, 'go:series/go:title', $values[SynacorHboDistributionField::ENTRY_SERIES_TITLE], $item);
     kXml::setNodeValue($this->xpath, 'atom:brand', $values[SynacorHboDistributionField::ENTRY_BRAND], $item);
     if (!is_null($flavorAssets) && is_array($flavorAssets) && count($flavorAssets) > 0) {
         $flavorAsset = $flavorAssets[0];
         /* @var $flavorAsset flavorAsset */
         $flavorUrl = $this->getAssetUrl($flavorAsset);
         // we don't have a way to identify the mime type of the file
         // as there is no guarantee that the file exists in the current data center
         // so we will just use those hardcoded conditions
         $mimeType = '';
         switch ($flavorAsset->getFileExt()) {
             case 'flv':
                 $mimeType = 'video/x-flv';
                 break;
             case 'mp4':
                 $mimeType = 'video/mp4';
                 break;
             case 'mpeg':
             case 'mpg':
                 $mimeType = 'video/mpeg';
                 break;
             default:
                 $mimeType = 'video/x-flv';
                 // default requested by synacor
         }
         kXml::setNodeValue($this->xpath, 'atom:link[@type=\'VIDEO_MIME_TYPE\']/@href', $flavorUrl, $item);
         kXml::setNodeValue($this->xpath, 'atom:link[@type=\'VIDEO_MIME_TYPE\']/@type', $mimeType, $item);
     }
     if (!is_null($thumbAssets) && is_array($thumbAssets) && count($thumbAssets) > 0) {
         $thumbAsset = $thumbAssets[0];
         /* @var $thumbAssets thumbAssets */
         $thumbUrl = $this->getAssetUrl($thumbAsset);
         kXml::setNodeValue($this->xpath, 'atom:link[@type=\'image/jpeg\']/@href', $thumbUrl, $item);
     }
     if (is_array($additionalAssets)) {
         foreach ($additionalAssets as $additionalAsset) {
             /* @var $additionalAsset asset */
             $assetType = $additionalAsset->getType();
             switch ($assetType) {
                 case CaptionPlugin::getAssetTypeCoreValue(CaptionAssetType::CAPTION):
                     /* @var $captionPlugin CaptionPlugin */
                     $captionPlugin = KalturaPluginManager::getPluginInstance(CaptionPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $captionPlugin->contributeCaptionAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $captionDom = $dummyDom->getElementsByTagName('subTitle');
                     $captionDom = $this->doc->importNode($captionDom->item(0), true);
                     $captionDom = $item->appendChild($captionDom);
                     break;
                 case AttachmentPlugin::getAssetTypeCoreValue(AttachmentAssetType::ATTACHMENT):
                     /* @var $attachmentPlugin AttachmentPlugin */
                     $attachmentPlugin = KalturaPluginManager::getPluginInstance(AttachmentPlugin::PLUGIN_NAME);
                     $dummyElement = new SimpleXMLElement('<dummy/>');
                     $attachmentPlugin->contributeAttachmentAssets($additionalAsset, $dummyElement);
                     $dummyDom = dom_import_simplexml($dummyElement);
                     $attachmentDom = $dummyDom->getElementsByTagName('attachment');
                     $attachmentDom = $this->doc->importNode($attachmentDom->item(0), true);
//.........这里部分代码省略.........