Module io.inverno.mod.session.http

Package io.inverno.mod.session.http

Interface SessionIdExtractor<A extends ExchangeContext,B extends Exchange<A>>

Type Parameters:

A - the exchange context type

B - the exchange type

All Known Implementing Classes:

CookieSessionIdExtractor

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 SessionIdExtractor<A extends ExchangeContext,B extends Exchange<A>>

A session identifier extractor extracts the session identifier from an exchange, typically the request.

It is used by the SessionInterceptor to extract the session identifier in order to resolve the session in the session context.

Since:

1.13

Author:

Jeremy Kuhn

Method Summary

Modifier and Type	Method	Description
Mono<String>	extract(B exchange)	Extracts the session identifier from the specified exchange.
default SessionIdExtractor<A,B>	or(SessionIdExtractor<? super A,? super B> other)	Returns a composed session identifier extractor which first invokes this extractor and, if no identifier could have been extracted, invokes the specified extractor.

Method Details

extract

Mono<String> extract(B exchange)

Extracts the session identifier from the specified exchange.

Parameters:

exchange - the exchange

Returns:

a mono emitting the session identifier or an empty mono if the exchange didn't provide any session identifier

or

default SessionIdExtractor<A,B> or(SessionIdExtractor<? super A,? super B> other)

Returns a composed session identifier extractor which first invokes this extractor and, if no identifier could have been extracted, invokes the specified extractor.

Parameters:

other - the session identifier extractor to invoke in case this extractor was not able to extract the identifier

Returns:

a composed session identifier extractor