/**
* Create response from string
*
* @param string $string
*
* @return $this
*/
public static function fromString($string)
{
/** @var Discover $message */
$message = new static();
foreach (explode(PHP_EOL, trim($string)) as $line) {
$tuple = explode(':', trim($line), 2);
if (2 == count($tuple)) {
$value = trim(array_pop($tuple));
switch (strtoupper(array_pop($tuple))) {
case 'CACHE-CONTROL':
$message->setLifetime(intval(substr($value, strpos($value, '=') + 1)));
break;
case 'DATE':
$message->setDate(new DateTime($value));
break;
case 'LOCATION':
$message->setDescriptionUrl(Url::factory($value));
break;
case 'SERVER':
$message->setServerString($value);
break;
case 'ST':
$message->setSearchTarget(SearchTarget::fromString($value));
break;
case 'USN':
$message->setUniqueServiceName(UniqueServiceName::fromString($value));
break;
}
}
}
return $message;
}
/**
* Get search target
*
* @return SearchTarget
*/
public function getSearchTarget()
{
if (is_null($this->searchTarget)) {
return SearchTarget::fromString();
}
return $this->searchTarget;
}
/**
* Get search target
*
* @return SearchTarget
*/
public function getSearchTarget()
{
if (null === $this->searchTarget) {
return SearchTarget::fromString(self::DEFAULT_SEARCH_TARGET);
}
return $this->searchTarget;
}
