Package org.springframework.integration.config.annotation

Class AbstractMethodAnnotationPostProcessor<T extends Annotation>

java.lang.Object

org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor<T>

Type Parameters:

T - the target annotation type.

All Implemented Interfaces:

MethodAnnotationPostProcessor<T>

Direct Known Subclasses:

AggregatorAnnotationPostProcessor, BridgeFromAnnotationPostProcessor, BridgeToAnnotationPostProcessor, FilterAnnotationPostProcessor, InboundChannelAdapterAnnotationPostProcessor, RouterAnnotationPostProcessor, ServiceActivatorAnnotationPostProcessor, SplitterAnnotationPostProcessor, TransformerAnnotationPostProcessor

public abstract class AbstractMethodAnnotationPostProcessor<T extends Annotation>
extends Object
implements MethodAnnotationPostProcessor<T>

Base class for Method-level annotation post-processors.

Author:

Mark Fisher, Artem Bilan, Gary Russell, Chris Bono

Field Summary

Fields

Modifier and Type	Field	Description
protected final Class<T>	annotationType
protected final ConfigurableListableBeanFactory	beanFactory
protected final DestinationResolver<MessageChannel>	channelResolver
protected final ConversionService	conversionService
protected final BeanDefinitionRegistry	definitionRegistry
protected final Log	logger
protected final List<String>	messageHandlerAttributes
protected static final String	SEND_TIMEOUT_ATTRIBUTE

Constructor Summary

Constructors

Constructor	Description
AbstractMethodAnnotationPostProcessor(ConfigurableListableBeanFactory beanFactory)

Method Summary

Modifier and Type	Method	Description
protected boolean	beanAnnotationAware()
protected MessageProcessor<?>	buildLambdaMessageProcessorForBeanMethod(Method method, Object target)
protected void	checkMessageHandlerAttributes(String handlerBeanName, List<Annotation> annotations)
protected void	configurePollingEndpoint(AbstractPollingEndpoint pollingEndpoint, Poller poller)
protected AbstractEndpoint	createEndpoint(MessageHandler handler, Method method, List<Annotation> annotations)
protected abstract MessageHandler	createHandler(Object bean, Method method, List<Annotation> annotations)	Subclasses must implement this method to create the MessageHandler.
protected AbstractEndpoint	doCreateEndpoint(MessageHandler handler, MessageChannel inputChannel, List<Annotation> annotations)
protected List<Advice>	extractAdviceChain(String beanName, List<Annotation> annotations)
protected <H> H	extractTypeIfPossible(Object targetObject, Class<H> expectedType)
protected String	generateHandlerBeanName(String originalBeanName, Method method)
protected String	getInputChannelAttribute()
Object	postProcess(Object bean, String beanName, Method method, List<Annotation> annotations)
protected boolean	resolveAttributeToBoolean(String attribute)
protected Object	resolveTargetBeanFromMethodWithBeanAnnotation(Method method)
protected String	resolveTargetBeanName(Method method)
protected void	setOutputChannelIfPresent(List<Annotation> annotations, AbstractReplyProducingMessageHandler handler)
boolean	shouldCreateEndpoint(Method method, List<Annotation> annotations)	Determine if the provided method and its annotations are eligible to create an AbstractEndpoint.

Methods inherited from class java.lang.Object

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

Field Details

SEND_TIMEOUT_ATTRIBUTE

protected static final String SEND_TIMEOUT_ATTRIBUTE

See Also:

• Constant Field Values

logger

protected final Log logger

messageHandlerAttributes

protected final List<String> messageHandlerAttributes

beanFactory

protected final ConfigurableListableBeanFactory beanFactory

definitionRegistry

protected final BeanDefinitionRegistry definitionRegistry

conversionService

protected final ConversionService conversionService

channelResolver

protected final DestinationResolver<MessageChannel> channelResolver

annotationType

protected final Class<T extends Annotation> annotationType

Constructor Details

AbstractMethodAnnotationPostProcessor

public AbstractMethodAnnotationPostProcessor(ConfigurableListableBeanFactory beanFactory)

Method Details

postProcess

public Object postProcess(Object bean,
 String beanName,
 Method method,
 List<Annotation> annotations)

Specified by:

postProcess in interface MethodAnnotationPostProcessor<T extends Annotation>

shouldCreateEndpoint

public boolean shouldCreateEndpoint(Method method,
 List<Annotation> annotations)

Description copied from interface: MethodAnnotationPostProcessor

Determine if the provided method and its annotations are eligible to create an AbstractEndpoint.

Specified by:

shouldCreateEndpoint in interface MethodAnnotationPostProcessor<T extends Annotation>

Parameters:

method - the method to check if it is eligible to create an Endpoint

annotations - the List of annotations to process

Returns:

the boolean flag to determine whether to create an AbstractEndpoint

getInputChannelAttribute

protected String getInputChannelAttribute()

beanAnnotationAware

protected boolean beanAnnotationAware()

extractAdviceChain

protected List<Advice> extractAdviceChain(String beanName,
 List<Annotation> annotations)

createEndpoint

protected AbstractEndpoint createEndpoint(MessageHandler handler,
 Method method,
 List<Annotation> annotations)

doCreateEndpoint

protected AbstractEndpoint doCreateEndpoint(MessageHandler handler,
 MessageChannel inputChannel,
 List<Annotation> annotations)

configurePollingEndpoint

protected void configurePollingEndpoint(AbstractPollingEndpoint pollingEndpoint,
 Poller poller)

generateHandlerBeanName

protected String generateHandlerBeanName(String originalBeanName,
 Method method)

setOutputChannelIfPresent

protected void setOutputChannelIfPresent(List<Annotation> annotations,
 AbstractReplyProducingMessageHandler handler)

resolveTargetBeanFromMethodWithBeanAnnotation

protected Object resolveTargetBeanFromMethodWithBeanAnnotation(Method method)

resolveTargetBeanName

protected String resolveTargetBeanName(Method method)

extractTypeIfPossible

protected <H> H extractTypeIfPossible(@Nullable
 Object targetObject,
 Class<H> expectedType)

checkMessageHandlerAttributes

protected void checkMessageHandlerAttributes(String handlerBeanName,
 List<Annotation> annotations)

resolveAttributeToBoolean

protected boolean resolveAttributeToBoolean(String attribute)

buildLambdaMessageProcessorForBeanMethod

@Nullable
protected MessageProcessor<?> buildLambdaMessageProcessorForBeanMethod(Method method,
 Object target)

createHandler

protected abstract MessageHandler createHandler(Object bean,
 Method method,
 List<Annotation> annotations)

Subclasses must implement this method to create the MessageHandler.

Parameters:

bean - The bean.

method - The method.

annotations - The messaging annotation (or meta-annotation hierarchy) on the method.

Returns:

The MessageHandler.