Package org.springframework.messaging.simp.user

@NullMarked package org.springframework.messaging.simp.user

Support for handling messages to "user" destinations (i.e. destinations that are unique to a user's sessions), primarily translating the destinations and then forwarding the updated message to the broker.

Also included is SimpUserRegistry for keeping track of connected user sessions.

Related Packages

Package	Description
org.springframework.messaging.simp	Generic support for Simple Messaging Protocols including protocols such as STOMP.
org.springframework.messaging.simp.annotation	Annotations and for handling messages from Simple Messaging Protocols such as STOMP.
org.springframework.messaging.simp.broker	Provides a "simple" message broker implementation along with an abstract base class and other supporting types such as a registry for subscriptions.
org.springframework.messaging.simp.config	Configuration support for WebSocket messaging using higher level messaging protocols.
org.springframework.messaging.simp.stomp	Generic support for simple messaging protocols (like STOMP).

Class	Description
DefaultUserDestinationResolver	A default implementation of UserDestinationResolver that relies on a SimpUserRegistry to find active sessions for a user.
DestinationUserNameProvider	A Principal can also implement this contract when getName() isn't globally unique and therefore not suited for use with "user" destinations.
MultiServerUserRegistry	SimpUserRegistry that looks up users in a "local" user registry as well as a set of "remote" user registries.
SimpSession	Represents a session of connected user.
SimpSubscription	Represents a subscription within a user session.
SimpSubscriptionMatcher	A strategy for matching subscriptions.
SimpUser	Represents a connected user.
SimpUserRegistry	A registry of currently connected users.
UserDestinationMessageHandler	MessageHandler with support for "user" destinations.
UserDestinationResolver	A strategy for resolving a "user" destination by translating it to one or more actual destinations one per active user session.
UserDestinationResult	Contains the result from parsing a "user" destination from a source message and translating it to target destinations (one per active user session).
UserRegistryMessageHandler	MessageHandler that handles user registry broadcasts from other application servers and periodically broadcasts the content of the local user registry.