/**
* Returns true if and only if $value meets the validation requirements
* If $value fails validation, then this method returns false, and
* getMessages() will return an array of messages that explain why the
* validation failed.
*
* @param mixed $value
* @return bool
* @throws Exception\RuntimeException If validation of $value is impossible
*/
public function isValid($value)
{
try {
$target = $this->target;
if ($target instanceof FormInterface) {
$target = $target->getObject();
if (!$target instanceof TaxonomyTermAwareInterface) {
throw new Exception\RuntimeException(sprintf('Target supplied by FormInterface is not of type TaxonomyTermAwareInterface', is_object($target) ? get_class($target) : gettype($target)));
}
}
$result = $this->taxonomyManager->isAssociableWith($value, $target);
if ($result) {
return true;
}
$this->error(self::NOT_ALLOWED);
return false;
} catch (UnauthorizedException $e) {
$this->error(self::NOT_AUTHORIZED);
} catch (\Exception $e) {
throw new Exception\RuntimeException($e->getMessage());
}
throw new Exception\RuntimeException("Validation failed");
}
