/**
* Populates properties with a specified XML string.
*
* @param string $xmlString An XML string representing the topic information.
*
* @return none
*/
public function parseXml($xmlString)
{
$this->_entry->parseXml($xmlString);
$content = $this->_entry->getContent();
if (is_null($content)) {
$this->_topicDescription = null;
} else {
$this->_topicDescription = TopicDescription::create($content->getText());
}
}
