/**
* @param object $object
* @param Relation $relation
*
* @return Link
*/
public function createLink($object, Relation $relation)
{
$rel = $this->expressionEvaluator->evaluate($relation->getName(), $object);
$href = $relation->getHref();
if ($href instanceof Route) {
if (!$this->urlGeneratorRegistry->hasGenerators()) {
throw new \RuntimeException('You cannot use a route without an url generator.');
}
$name = $this->expressionEvaluator->evaluate($href->getName(), $object);
$parameters = is_array($href->getParameters()) ? $this->expressionEvaluator->evaluateArray($href->getParameters(), $object) : $this->expressionEvaluator->evaluate($href->getParameters(), $object);
if (!is_array($parameters)) {
throw new \RuntimeException(sprintf('The route parameters should be an array, %s given. Maybe you forgot to wrap the expression in expr(...).', gettype($parameters)));
}
$href = $this->urlGeneratorRegistry->get($href->getGenerator())->generate($name, $parameters, $href->isAbsolute());
} else {
$href = $this->expressionEvaluator->evaluate($href, $object);
}
$attributes = $this->expressionEvaluator->evaluateArray($relation->getAttributes(), $object);
return new Link($rel, $href, $attributes);
}
