| Package | Description | 
|---|---|
| org.springframework.messaging.simp | Generic support for Simple Messaging Protocols including protocols such as STOMP. | 
| org.springframework.messaging.simp.annotation.support | Support classes for handling messages from simple messaging protocols
 (like STOMP). | 
| org.springframework.web.socket.messaging | WebSocket integration for Spring's messaging module. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SimpMessagingTemplateAn implementation of
  SimpMessageSendingOperations. | 
| Constructor and Description | 
|---|
| SendToMethodReturnValueHandler(SimpMessageSendingOperations messagingTemplate,
                              boolean annotationRequired) | 
| SimpAnnotationMethodMessageHandler(SubscribableChannel clientInboundChannel,
                                  MessageChannel clientOutboundChannel,
                                  SimpMessageSendingOperations brokerTemplate)Create an instance of SimpAnnotationMethodMessageHandler with the given
 message channels and broker messaging template. | 
| Constructor and Description | 
|---|
| WebSocketAnnotationMethodMessageHandler(SubscribableChannel clientInChannel,
                                       MessageChannel clientOutChannel,
                                       SimpMessageSendingOperations brokerTemplate) |