/**
* Process an incoming request.
* Determine the appropriate route for the request using a Router, and then
* execute the resource method to obtain and return a result.
*
* @param \Sonno\Http\Request\RequestInterface $request The incoming request
* @throws MalformedResourceRepresentationException
* @throws \Sonno\Http\Exception\NotAcceptableException
* @return \Sonno\Http\Response\Response
*/
public function run(RequestInterface $request)
{
$selectedVariant = $result = null;
try {
// attempt to find routes that match the current request
$router = new Router($this->_config);
$routes = $router->match($request, $pathParams);
// construct a hash map of Variants based on Routes
$variantMap = array();
// variant hash => <Sonno\Http\Variant>
$variants = array();
// array<Sonno\Http\Variant>
/** @var $route \Sonno\Configuration\Route */
foreach ($routes as $route) {
$routeProduces = $route->getProduces();
foreach ($routeProduces as $produces) {
$variant = new Variant(null, null, $produces);
$variantHash = spl_object_hash($variant);
$variantMap[$variantHash] = $route;
$variants[] = $variant;
}
}
// select a Variant and find the corresponding route
$selectedVariant = $request->selectVariant($variants);
if (null == $selectedVariant) {
throw new NotAcceptableException();
}
$selectedVariantHash = spl_object_hash($selectedVariant);
$selectedRoute = $variantMap[$selectedVariantHash];
// maintain URI information for resource class context injection
$uriInfo = new UriInfo($this->_config, $request, $selectedRoute);
$uriInfo->setPathParameters($pathParams);
$uriInfo->setQueryParameters($request->getQueryParams());
// execute the resource class method and obtain the result
$dispatcher = $this->getDispatcher();
$dispatcher->setRequest($request);
$dispatcher->setUriInfo($uriInfo);
$result = $dispatcher->dispatch($selectedRoute);
} catch (MethodNotAllowedException $e) {
// rewrite the response as a 200 OK when the request is OPTIONS
if ('OPTIONS' == $request->getMethod()) {
$e->getResponse()->setStatusCode(200);
}
$result = $e->getResponse();
} catch (WebApplicationException $e) {
$result = $e->getResponse();
}
// object is a scalar value: construct a new Response
if (is_scalar($result)) {
$response = new Response(200, $result);
// object is already a Response
} else {
if ($result instanceof Response) {
$response = $result;
// object implements the Renderable interface: construct a Response
// using the representation produced by render()
} else {
if ($result instanceof Renderable) {
$response = new Response(200, $result->render($selectedVariant));
// cannot determine how to handle the object returned
} else {
throw new MalformedResourceRepresentationException();
}
}
}
// ensure a Content-Type header is present
if (!$response->hasHeader('Content-Type') && $response->getStatusCode() < 300 && $response->getContent()) {
$response->setHeaders(array('Content-Type' => $selectedVariant->getMediaType()));
}
// ensure a Content-Length header is present
if (!$response->hasHeader('Content-Length')) {
$response->setHeaders(array('Content-Length' => strlen($response->getContent())));
}
// process any HTTP status filter callbacks
$statusCode = $response->getStatusCode();
if (isset($this->_responseFilters[$statusCode])) {
foreach ($this->_responseFilters[$statusCode] as $filterCallback) {
$filterCallback($request, $response);
}
}
$response->sendResponse();
return $response;
}
/**
* Test matching two paths that match, with a RegExp-constrained Path
* parameter, but fail because the parameter value doesn't match the
* regular expression.
*
* @return void
* @expectedException \Sonno\Http\Exception\NotFoundException
*/
public function testFailedPathMatchWithConstrainedParameters()
{
$route = $this->getMockBuilder('Sonno\\Configuration\\Route')->disableOriginalConstructor()->getMock();
$route->expects($this->any())->method('getPath')->will($this->returnValue('/users/{id: \\d+}'));
$config = $this->getMockBuilder('Sonno\\Configuration\\Configuration')->disableOriginalConstructor()->getMock();
$config->expects($this->any())->method('getRoutes')->will($this->returnValue(array($route)));
$request = $this->buildMockRequest('GET', '/users/abc');
$router = new Router($config);
$router->match($request, $params);
}