/**
* Dispatch an HTTP request to a controller/action.
*
* @param Yaf_Request_Abstract|null $request
*
* @return void Yaf_Response_Abstract
*/
public function dispatch()
{
$request = $this->getRequest();
if (!$request instanceof Yaf_Request_Abstract) {
throw new Yaf_Exception('Expect a Yaf_Request_Abstract instance');
}
if ($request instanceof Yaf_Request_Http) {
$response = new Yaf_Response_Http();
} elseif ($request instanceof Yaf_Request_Cli) {
$response = new Yaf_Response_Cli();
}
// 选择路由
$router = $this->getRouter();
foreach ($this->_plugins as $plugin) {
$plugin->routerStartup($request, $response);
}
$router->route($request);
$this->_fixDefault($request);
foreach ($this->_plugins as $plugin) {
$plugin->routerShutdown($request, $response);
}
// 执行Action
try {
$view = $this->initView();
foreach ($this->_plugins as $plugin) {
$plugin->dispatchLoopStartup($request, $response);
}
$nested = Yaf_G::getConf('forward_limit');
$nested = empty($nested) ? 5 : $nested;
do {
foreach ($this->_plugins as $plugin) {
$plugin->preDispatch($request, $response, $view);
}
$this->handle($request, $response, $view);
$this->_fixDefault($request);
foreach ($this->_plugins as $plugin) {
$plugin->postDispatch($request, $response);
}
$nested--;
} while (!$request->isDispatched() && $nested > 0);
foreach ($this->_plugins as $plugin) {
$plugin->dispatchLoopShutdown($request, $response);
}
} catch (Exception $oExp) {
if (Yaf_G::isDebug() || $request->getMethod() == 'CLI') {
if ($request->getMethod() == 'CLI') {
Yaf_Logger::error(Yaf_G::parseException($oExp));
echo Yaf_G::parseException($oExp);
} else {
echo "<pre>";
echo Yaf_G::parseException($oExp);
echo "</pre>";
}
} else {
$response->setResponseCode(404);
$view->display('404.phtml');
}
}
if ($nested == 0 && !$request->isDispatched()) {
throw new Yaf_Exception('The max dispatch nesting ' . Yaf_G::getConf('forward_limit') . ' was reached');
}
if ($this->returnResponse() == false) {
$response->response();
}
return $response;
}
