/**
* Set request keys based on values in request object
*
* @return void
*/
protected function _setRequestKeys()
{
if (null !== $this->_request) {
$this->_moduleKey = $this->_request->getModuleKey();
$this->_controllerKey = $this->_request->getControllerKey();
$this->_actionKey = $this->_request->getActionKey();
}
if (null !== $this->_dispatcher) {
$this->_defaults += array($this->_controllerKey => $this->_dispatcher->getDefaultControllerName(), $this->_actionKey => $this->_dispatcher->getDefaultAction(), $this->_moduleKey => $this->_dispatcher->getDefaultModule());
}
$this->_keysSet = true;
}
/**
* Forward request with next action
*
* @param array $next
* @return void
*/
public function forward(EvHttp_Controller_Request_Abstract $next)
{
$this->getRequest()->setModuleName($next->getModuleName())->setControllerName($next->getControllerName())->setActionName($next->getActionName())->setParams($next->getParams())->setDispatched(false);
}
/**
* Set a userland parameter
*
* Uses $key to set a userland parameter. If $key is an alias, the actual
* key will be retrieved and used to set the parameter.
*
* @param mixed $key
* @param mixed $value
* @return EvHttp_Controller_Request_Http
*/
public function setParam($key, $value)
{
$key = null !== ($alias = $this->getAlias($key)) ? $alias : $key;
parent::setParam($key, $value);
return $this;
}
/**
* postDispatch() plugin hook -- check for exceptions and dispatch error
* handler if necessary
*
* If the 'noErrorHandler' front controller flag has been set,
* returns early.
*
* @param EvHttp_Controller_Request_Abstract $request
* @return void
*/
public function postDispatch(EvHttp_Controller_Request_Abstract $request)
{
$frontController = EvHttp_Controller_Front::getInstance();
if ($frontController->getParam('noErrorHandler')) {
return;
}
$response = $this->getResponse();
if ($this->_isInsideErrorHandlerLoop) {
$exceptions = $response->getException();
if (count($exceptions) > $this->_exceptionCountAtFirstEncounter) {
// Exception thrown by error handler; tell the front controller to throw it
$frontController->throwExceptions(true);
throw array_pop($exceptions);
}
}
// check for an exception AND allow the error handler controller the option to forward
if ($response->isException() && !$this->_isInsideErrorHandlerLoop) {
$this->_isInsideErrorHandlerLoop = true;
// Get exception information
$error = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS);
$exceptions = $response->getException();
$exception = $exceptions[0];
$exceptionType = get_class($exception);
$error->exception = $exception;
switch ($exceptionType) {
case 'EvHttp_Controller_Dispatcher_Exception':
$error->type = self::EXCEPTION_NO_CONTROLLER;
break;
case 'EvHttp_Controller_Action_Exception':
if (404 == $exception->getCode()) {
$error->type = self::EXCEPTION_NO_ACTION;
} else {
$error->type = self::EXCEPTION_OTHER;
}
break;
default:
$error->type = self::EXCEPTION_OTHER;
break;
}
// Keep a copy of the original request
$error->request = clone $request;
// get a count of the number of exceptions encountered
$this->_exceptionCountAtFirstEncounter = count($exceptions);
// Forward to the error handler
$request->setParam('error_handler', $error)->setModuleName($this->getErrorHandlerModule())->setControllerName($this->getErrorHandlerController())->setActionName($this->getErrorHandlerAction())->setDispatched(false);
}
}
/**
* Find a matching route to the current PATH_INFO and inject
* returning values to the Request object.
*
* @throws EvHttp_Controller_Router_Exception
* @return EvHttp_Controller_Request_Abstract Request object
*/
public function route(EvHttp_Controller_Request_Abstract $request)
{
if (!$request instanceof EvHttp_Controller_Request_Http) {
require_once 'EvHttp/Controller/Router/Exception.php';
throw new EvHttp_Controller_Router_Exception('EvHttp_Controller_Router_Rewrite requires a EvHttp_Controller_Request_Http-based request object');
}
if ($this->_useDefaultRoutes) {
$this->addDefaultRoutes();
}
// Find the matching route
foreach (array_reverse($this->_routes) as $name => $route) {
// TODO: Should be an interface method. Hack for 1.0 BC
if (method_exists($route, 'isAbstract') && $route->isAbstract()) {
continue;
}
// TODO: Should be an interface method. Hack for 1.0 BC
if (!method_exists($route, 'getVersion') || $route->getVersion() == 1) {
$match = $request->getPathInfo();
} else {
$match = $request;
}
if ($params = $route->match($match)) {
$this->_setRequestParams($request, $params);
$this->_currentRoute = $name;
break;
}
}
return $request;
}
/**
* Dispatch an HTTP request to a controller/action.
*
* @param EvHttp_Controller_Request_Abstract|null $request
* @param EvHttp_Controller_Response_Abstract|null $response
* @return void|EvHttp_Controller_Response_Abstract Returns response object if returnResponse() is true
*/
public function dispatch(EvHttp_Controller_Request_Abstract $request = null, EvHttp_Controller_Response_Abstract $response = null)
{
if (!$this->getParam('noErrorHandler') && !$this->_plugins->hasPlugin('EvHttp_Controller_Plugin_ErrorHandler')) {
// Register with stack index of 100
require_once 'EvHttp/Controller/Plugin/ErrorHandler.php';
$this->_plugins->registerPlugin(new EvHttp_Controller_Plugin_ErrorHandler(), 100);
}
if (!$this->getParam('noViewRenderer') && !EvHttp_Controller_Action_HelperBroker::hasHelper('viewRenderer')) {
require_once 'EvHttp/Controller/Action/Helper/ViewRenderer.php';
EvHttp_Controller_Action_HelperBroker::getStack()->offsetSet(-80, new EvHttp_Controller_Action_Helper_ViewRenderer());
}
/**
* Instantiate default request object (HTTP version) if none provided
*/
if (null !== $request) {
$this->setRequest($request);
} elseif (null !== ($request = $this->getRequest())) {
$request->init();
} elseif (null === $request && null === ($request = $this->getRequest())) {
require_once 'EvHttp/Controller/Request/Http.php';
$request = new EvHttp_Controller_Request_Http();
$this->setRequest($request);
}
/**
* Set base URL of request object, if available
*/
if (is_callable(array($this->_request, 'setBaseUrl'))) {
if (null !== $this->_baseUrl) {
$this->_request->setBaseUrl($this->_baseUrl);
}
}
/**
* Instantiate default response object (HTTP version) if none provided
*/
if (null !== $response) {
$this->setResponse($response);
} elseif (null !== ($this->_response = $this->getResponse())) {
$this->_response->reset();
} elseif (null === $this->_response && null === ($this->_response = $this->getResponse())) {
require_once 'EvHttp/Controller/Response/Http.php';
$response = new EvHttp_Controller_Response_Http();
$this->setResponse($response);
}
/**
* Register request and response objects with plugin broker
*/
$this->_plugins->setRequest($this->_request)->setResponse($this->_response);
/**
* Initialize router
*/
$router = $this->getRouter();
$router->setParams($this->getParams());
/**
* Initialize dispatcher
*/
$dispatcher = $this->getDispatcher();
$dispatcher->setParams($this->getParams())->setResponse($this->_response);
// Begin dispatch
try {
/**
* Route request to controller/action, if a router is provided
*/
/**
* Notify plugins of router startup
*/
$this->_plugins->routeStartup($this->_request);
$router->route($this->_request);
/**
* Notify plugins of router completion
*/
$this->_plugins->routeShutdown($this->_request);
/**
* Notify plugins of dispatch loop startup
*/
$this->_plugins->dispatchLoopStartup($this->_request);
/**
* Attempt to dispatch the controller/action. If the $this->_request
* indicates that it needs to be dispatched, move to the next
* action in the request.
*/
do {
$this->_request->setDispatched(true);
/**
* Notify plugins of dispatch startup
*/
$this->_plugins->preDispatch($this->_request);
/**
* Skip requested action if preDispatch() has reset it
*/
if (!$this->_request->isDispatched()) {
continue;
}
/**
* Dispatch request
*/
try {
$dispatcher->dispatch($this->_request, $this->_response);
} catch (Exception $e) {
if ($this->throwExceptions()) {
throw $e;
}
$this->_response->setException($e);
}
/**
* Notify plugins of dispatch completion
*/
$this->_plugins->postDispatch($this->_request);
} while (!$this->_request->isDispatched());
} catch (Exception $e) {
if ($this->throwExceptions()) {
throw $e;
}
$this->_response->setException($e);
}
/**
* Notify plugins of dispatch loop completion
*/
try {
$this->_plugins->dispatchLoopShutdown();
} catch (Exception $e) {
if ($this->throwExceptions()) {
throw $e;
}
$this->_response->setException($e);
}
if ($this->returnResponse()) {
return $this->_response;
}
$this->_response->sendResponse();
}
/**
* Determine the action name
*
* First attempt to retrieve from request; then from request params
* using action key; default to default action
*
* Returns formatted action name
*
* @param EvHttp_Controller_Request_Abstract $request
* @return string
*/
public function getActionMethod(EvHttp_Controller_Request_Abstract $request)
{
$action = $request->getActionName();
if (empty($action)) {
$action = $this->getDefaultAction();
$request->setActionName($action);
}
return $this->formatActionName($action);
}
