Package org.springframework.messaging.handler.annotation

Class MessageMappingReflectiveProcessor

java.lang.Object

org.springframework.messaging.handler.annotation.MessageMappingReflectiveProcessor

All Implemented Interfaces:

ReflectiveProcessor

public class MessageMappingReflectiveProcessor
extends Object
implements ReflectiveProcessor

ReflectiveProcessor implementation for types annotated with @MessageMapping, @SubscribeMapping and @MessageExceptionHandler. In addition to registering reflection hints for invoking the annotated method, this implementation handles:

• Return types
• Parameters identified as potential payloads
• Message parameters
• Exception classes specified via @MessageExceptionHandler

Since:

6.0

Author:

Sebastien Deleuze

Constructor Summary

Constructors

Constructor	Description
MessageMappingReflectiveProcessor()

Method Summary

Modifier and Type	Method	Description
protected boolean	couldBePayload(MethodParameter methodParameter)
protected Type	getMessageType(MethodParameter parameter)
protected void	registerMessageExceptionHandlerHints(ReflectionHints hints, MessageExceptionHandler annotation)
protected void	registerMethodHints(ReflectionHints hints, Method method)
protected void	registerParameterHints(ReflectionHints hints, Method method)
void	registerReflectionHints(ReflectionHints hints, AnnotatedElement element)	Register ReflectionHints against the specified AnnotatedElement.
protected void	registerReturnValueHints(ReflectionHints hints, Method method)
protected void	registerTypeHints(ReflectionHints hints, Class<?> type)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MessageMappingReflectiveProcessor

public MessageMappingReflectiveProcessor()

Method Details

registerReflectionHints

public void registerReflectionHints(ReflectionHints hints,
 AnnotatedElement element)

Description copied from interface: ReflectiveProcessor

Register ReflectionHints against the specified AnnotatedElement.

Specified by:

registerReflectionHints in interface ReflectiveProcessor

Parameters:

hints - the reflection hints instance to use

element - the element to process

registerTypeHints

protected void registerTypeHints(ReflectionHints hints,
 Class<?> type)

registerMethodHints

protected void registerMethodHints(ReflectionHints hints,
 Method method)

registerParameterHints

protected void registerParameterHints(ReflectionHints hints,
 Method method)

registerMessageExceptionHandlerHints

protected void registerMessageExceptionHandlerHints(ReflectionHints hints,
 MessageExceptionHandler annotation)

couldBePayload

protected boolean couldBePayload(MethodParameter methodParameter)

registerReturnValueHints

protected void registerReturnValueHints(ReflectionHints hints,
 Method method)

getMessageType

@Nullable
protected Type getMessageType(MethodParameter parameter)