Package com.vaadin.flow.server

Interface VaadinRequestInterceptor

All Superinterfaces:

Serializable

public interface VaadinRequestInterceptor
extends Serializable

Used to provide an around-like aspect option around request processing.

Since:

24.2

Author:

Marcin Grzejszczak

Method Summary

Modifier and Type	Method	Description
void	handleException(VaadinRequest request, VaadinResponse response, VaadinSession vaadinSession, Exception t)	Called when an exception occurred
void	requestEnd(VaadinRequest request, VaadinResponse response, VaadinSession session)	Called in the finally block of processing a request.
void	requestStart(VaadinRequest request, VaadinResponse response)	Called when request is about to be processed.

Method Details

requestStart

void requestStart(VaadinRequest request,
 VaadinResponse response)

Called when request is about to be processed.

Parameters:

request - request

response - response

handleException

void handleException(VaadinRequest request,
 VaadinResponse response,
 VaadinSession vaadinSession,
 Exception t)

Called when an exception occurred

Parameters:

request - request

response - response

vaadinSession - session

t - exception

requestEnd

void requestEnd(VaadinRequest request,
 VaadinResponse response,
 VaadinSession session)

Called in the finally block of processing a request. Will be called regardless of whether there was an exception or not.

Parameters:

request - request

response - response

session - session