/**
* Gets a route by name.
*
* @param string $name The route name
*
* @return Route|null A Route instance or null when not found
*/
public function get($name)
{
try {
return $this->provider->getRouteByName($name);
} catch (RouteNotFoundException $e) {
return null;
}
}
/**
* {@inheritdoc}
*/
public function generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH)
{
if ($name instanceof SymfonyRoute) {
$route = $name;
} elseif (null === ($route = $this->provider->getRouteByName($name))) {
throw new RouteNotFoundException(sprintf('Route "%s" does not exist.', $name));
}
// the Route has a cache of its own and is not recompiled as long as it does not get modified
$compiledRoute = $route->compile();
$hostTokens = $compiledRoute->getHostTokens();
$debug_message = $this->getRouteDebugMessage($name);
return $this->doGenerate($compiledRoute->getVariables(), $route->getDefaults(), $route->getRequirements(), $compiledRoute->getTokens(), $parameters, $debug_message, $referenceType, $hostTokens);
}
/**
* Tries to handle the options request.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The request event.
*/
public function onRequest(GetResponseEvent $event)
{
if ($event->getRequest()->isMethod('OPTIONS')) {
$routes = $this->routeProvider->getRouteCollectionForRequest($event->getRequest());
// In case we don't have any routes, a 403 should be thrown by the normal
// request handling.
if (count($routes) > 0) {
$methods = array_map(function (Route $route) {
return $route->getMethods();
}, $routes->all());
// Flatten and unique the available methods.
$methods = array_unique(call_user_func_array('array_merge', $methods));
$response = new Response('', 200, ['Allow' => implode(', ', $methods)]);
$event->setResponse($response);
}
}
}
/**
* {@inheritdoc}
*/
public function matchRequest(Request $request)
{
$collection = $this->routeProvider->getRouteCollectionForRequest($request);
if (!count($collection)) {
throw new ResourceNotFoundException();
}
// Route filters are expected to throw an exception themselves if they
// end up filtering the list down to 0.
foreach ($this->getRouteFilters() as $filter) {
$collection = $filter->filter($collection, $request);
}
$attributes = $this->finalMatcher->finalMatch($collection, $request);
return $attributes;
}