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<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Controller;
use Exception;
use Icinga\Util\StringHelper;
use Zend_Controller_Action;
use Zend_Controller_Action_Interface;
use Zend_Controller_Dispatcher_Exception;
use Zend_Controller_Dispatcher_Standard;
use Zend_Controller_Request_Abstract;
use Zend_Controller_Response_Abstract;
/**
* Dispatcher supporting Zend-style and namespaced controllers
*
* Does not support a namespaced default controller in combination w/ the Zend parameter useDefaultControllerAlways.
*/
class Dispatcher extends Zend_Controller_Dispatcher_Standard
{
/**
* Controller namespace
*
* @var string
*/
const CONTROLLER_NAMESPACE = 'Controllers';
/**
* Dispatch request to a controller and action
*
* @param Zend_Controller_Request_Abstract $request
* @param Zend_Controller_Response_Abstract $response
*
* @throws Zend_Controller_Dispatcher_Exception If the controller is not an instance of
* Zend_Controller_Action_Interface
* @throws Exception If dispatching the request fails
*/
public function dispatch(Zend_Controller_Request_Abstract $request, Zend_Controller_Response_Abstract $response)
{
$this->setResponse($response);
$controllerName = $request->getControllerName();
if (! $controllerName) {
parent::dispatch($request, $response);
return;
}
$controllerName = StringHelper::cname($controllerName, '-') . 'Controller';
$moduleName = $request->getModuleName();
if ($moduleName === null || $moduleName === $this->_defaultModule) {
$controllerClass = 'Icinga\\' . self::CONTROLLER_NAMESPACE . '\\' . $controllerName;
} else {
$controllerClass = 'Icinga\\Module\\' . ucfirst($moduleName) . '\\' . self::CONTROLLER_NAMESPACE . '\\'
. $controllerName;
}
if (! class_exists($controllerClass)) {
parent::dispatch($request, $response);
return;
}
$controller = new $controllerClass($request, $response, $this->getParams());
if (! $controller instanceof Zend_Controller_Action
&& ! $controller instanceof Zend_Controller_Action_Interface
) {
throw new Zend_Controller_Dispatcher_Exception(
'Controller "' . $controllerClass . '" is not an instance of Zend_Controller_Action_Interface'
);
}
$action = $this->getActionMethod($request);
$request->setDispatched(true);
// Buffer output by default
$disableOb = $this->getParam('disableOutputBuffering');
$obLevel = ob_get_level();
if (empty($disableOb)) {
ob_start();
}
try {
$controller->dispatch($action);
} catch (Exception $e) {
// Clean output buffer on error
$curObLevel = ob_get_level();
if ($curObLevel > $obLevel) {
do {
ob_get_clean();
$curObLevel = ob_get_level();
} while ($curObLevel > $obLevel);
}
throw $e;
}
if (empty($disableOb)) {
$content = ob_get_clean();
$response->appendBody($content);
}
}
}
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