Package org.springframework.integration.handler

@NullMarked package org.springframework.integration.handler

Provides classes implementing various types of message handler.

Related Packages

Package	Description
org.springframework.integration	Base package for Spring Integration Core.
org.springframework.integration.handler.advice	Provides classes that are used to advise MessageHandlers with cross-cutting concerns.
org.springframework.integration.handler.support	Provides classes for message handlers support.

Class	Description
AbstractMessageHandler	Base class for MessageHandler implementations.
AbstractMessageProcessor<T>
AbstractMessageProducingHandler	The base AbstractMessageHandler implementation for the MessageProducer.
AbstractReactiveMessageHandler	Base class for ReactiveMessageHandler implementations.
AbstractReplyProducingMessageHandler	Base class for MessageHandlers that are capable of producing replies.
AbstractReplyProducingMessageHandler.RequestHandler	An implementation of this interface is used to wrap the AbstractReplyProducingMessageHandler.handleRequestMessage(Message) method.
AbstractReplyProducingPostProcessingMessageHandler
BeanNameMessageProcessor<T>	An "artificial" MessageProcessor for lazy-load of target bean by its name.
BridgeHandler	A simple MessageHandler implementation that passes the request Message directly to the output channel without modifying it.
CompositeMessageHandler	Classes implementing this interface delegate to a list of handlers.
ControlBusMessageProcessor	A MessageProcessor implementation that expects a Control Bus command as a request message.
DelayHandler	A MessageHandler that is capable of delaying the continuation of a Message flow based on the result of evaluation delayExpression on an inbound Message or a default delay value configured on this handler.
DelayHandler.DelayedMessageWrapper
DelayHandlerManagement
DiscardingMessageHandler	Classes implementing this interface are capable of discarding messages.
ExpressionEvaluatingMessageHandler	A MessageHandler that evaluates the provided Expression expecting a void return.
ExpressionEvaluatingMessageProcessor<T>	A MessageProcessor implementation that evaluates a SpEL expression with the Message itself as the root object within the evaluation context.
HeaderPropagationAware	MessageHandlers implementing this interface can propagate headers from an input message to an output message.
LambdaMessageProcessor	The MessageProcessor implementation for method invocation on the single method classes - functional interface implementations.
LoggingHandler	MessageHandler implementation that simply logs the Message or its payload depending on the value of the 'shouldLogFullMessage' or SpEL 'logExpression' property.
LoggingHandler.Level
MessageHandlerChain	A composite MessageHandler implementation that invokes a chain of MessageHandler instances in order.
MessageHandlerSupport	Base class for Message handling components that provides basic validation and error handling capabilities.
MessageProcessor<T>	This defines the lowest-level strategy of processing a Message and returning some Object (or null).
MessageTriggerAction	Classes implementing this interface can take some action when a trigger Message is received.
MethodInvokingMessageHandler	A MessageHandler that invokes the specified method on the provided object.
MethodInvokingMessageProcessor<T>	A MessageProcessor implementation that invokes a method on a target Object.
PostProcessingMessageHandler	Implementations of this interface are subclasses of AbstractMessageHandler that perform post-processing after the AbstractMessageHandler.handleMessageInternal(org.springframework.messaging.Message) call.
ReactiveMessageHandlerAdapter	A MessageHandler implementation to adapt a ReactiveMessageHandler for synchronous invocations.
ReplyProducingMessageHandlerWrapper	The AbstractReplyProducingMessageHandler wrapper around raw MessageHandler for request-reply scenarios, e.g.
ReplyRequiredException	Exception that indicates no reply message is produced by a handler that does have a value of true for the 'requiresReply' property.
ServiceActivatingHandler	The standard Service Activator pattern implementation.