com.vaadin.flow.router.HasErrorParameter API 24.7.0.alpha6 | Vaadin

com.vaadin.flow.router.

Type Parameters:

T - type Exception type handled

All Superinterfaces:

All Known Implementing Classes:

InternalServerError, RouteAccessDeniedError, RouteNotFoundError

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface HasErrorParameter<T extends Exception> extends Serializable

Defines a view that handles the exceptions for the set Exception type T.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type

Method

Description

int

setErrorParameter(BeforeEnterEvent event, ErrorParameter<T> parameter)

Callback executed before rendering the exception view.

Method Details
- setErrorParameter
  
  int setErrorParameter(BeforeEnterEvent event, ErrorParameter<T> parameter)
  
  Callback executed before rendering the exception view.
  Note! returned int should be a valid HttpStatusCode code
  
  Parameters:
  
  event - the before navigation event for this request
  
  parameter - error parameter containing custom exception and caught exception
  
  Returns:
  
  a valid HttpStatusCode code