com.vaadin.flow.server

Interface SessionExpiredHandler

All Superinterfaces:

RequestHandler, Serializable

All Known Implementing Classes:

HeartbeatHandler, PushRequestHandler, UidlRequestHandler

public interface SessionExpiredHandler
extends RequestHandler

A specialized RequestHandler which is capable of sending session expiration messages to the user.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type	Method and Description
boolean	handleSessionExpired(VaadinRequest request, VaadinResponse response) Called when the a session expiration has occurred and a notification needs to be sent to the user.

Methods inherited from interface com.vaadin.flow.server.RequestHandler

handleRequest

Method Detail

handleSessionExpired

boolean handleSessionExpired(VaadinRequest request,
                             VaadinResponse response)
                      throws IOException

Called when the a session expiration has occurred and a notification needs to be sent to the user. If a response is written, this method should return true to indicate that no more SessionExpiredHandler handlers should be invoked for the request.

Parameters:

request - The request to handle

response - The response object to which a response can be written.

Returns:

true if a response has been written and no further request handlers should be called, otherwise false

Throws:

IOException - If an IO error occurred