* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel; /** * Contains all events thrown in the HttpKernel component. * * @author Bernhard Schussek */ final class KernelEvents { /** * The REQUEST event occurs at the very beginning of request * dispatching. * * This event allows you to create a response for a request before any * other code in the framework is executed. * * @Event("Symfony\Component\HttpKernel\Event\GetResponseEvent") */ const REQUEST = 'kernel.request'; /** * The EXCEPTION event occurs when an uncaught exception appears. * * This event allows you to create a response for a thrown exception or * to modify the thrown exception. * * @Event("Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent") */ const EXCEPTION = 'kernel.exception'; /** * The VIEW event occurs when the return value of a controller * is not a Response instance. * * This event allows you to create a response for the return value of the * controller. * * @Event("Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent") */ const VIEW = 'kernel.view'; /** * The CONTROLLER event occurs once a controller was found for * handling a request. * * This event allows you to change the controller that will handle the * request. * * @Event("Symfony\Component\HttpKernel\Event\FilterControllerEvent") */ const CONTROLLER = 'kernel.controller'; /** * The CONTROLLER_ARGUMENTS event occurs once controller arguments have been resolved. * * This event allows you to change the arguments that will be passed to * the controller. * * @Event("Symfony\Component\HttpKernel\Event\FilterControllerArgumentsEvent") */ const CONTROLLER_ARGUMENTS = 'kernel.controller_arguments'; /** * The RESPONSE event occurs once a response was created for * replying to a request. * * This event allows you to modify or replace the response that will be * replied. * * @Event("Symfony\Component\HttpKernel\Event\FilterResponseEvent") */ const RESPONSE = 'kernel.response'; /** * The TERMINATE event occurs once a response was sent. * * This event allows you to run expensive post-response jobs. * * @Event("Symfony\Component\HttpKernel\Event\PostResponseEvent") */ const TERMINATE = 'kernel.terminate'; /** * The FINISH_REQUEST event occurs when a response was generated for a request. * * This event allows you to reset the global and environmental state of * the application, when it was changed during the request. * * @Event("Symfony\Component\HttpKernel\Event\FinishRequestEvent") */ const FINISH_REQUEST = 'kernel.finish_request'; }