Class AbstractListenerAnnotationBeanPostProcessor<A extends Annotation>

java.lang.Object

org.springframework.amqp.listener.AbstractListenerAnnotationBeanPostProcessor<A>

Type Parameters:

A - the listener annotation type.

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanClassLoaderAware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.config.BeanPostProcessor, org.springframework.beans.factory.SmartInitializingSingleton, org.springframework.context.EnvironmentAware, org.springframework.core.Ordered

public abstract class AbstractListenerAnnotationBeanPostProcessor<A extends Annotation>
extends Object
implements org.springframework.beans.factory.config.BeanPostProcessor, org.springframework.core.Ordered, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanClassLoaderAware, org.springframework.context.EnvironmentAware, org.springframework.beans.factory.SmartInitializingSingleton

The BeanPostProcessor base for listener annotation parsers.

Since:

4.1

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static final record	AbstractListenerAnnotationBeanPostProcessor.ListenerMethod<A extends Annotation>	A method annotated with A, together with the annotations.
protected static final record	AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A extends Annotation>	The metadata holder of the class with A and handler annotations.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final org.springframework.core.convert.ConversionService	CONVERSION_SERVICE
protected final org.apache.commons.logging.Log	logger
protected final ConcurrentMap<Class<?>, AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A>>	typeCache

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor	Description
AbstractListenerAnnotationBeanPostProcessor()

Method Summary

Modifier and Type	Method	Description
void	afterSingletonsInstantiated()
protected abstract AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A>	buildMetadata(Class<?> clazz)
protected static <A extends Annotation> AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A>	buildMetadata(Class<?> targetClass, Class<A> listenerAnnotation, @Nullable Class<? extends Annotation> handlerAnnotation)
protected static Method	checkProxy(Method methodArg, Object bean)
protected abstract void	doProcessAmqpListener(A listenerAnnotation, Method method, Object bean, String beanName)
protected ClassLoader	getBeanClassLoader()
protected org.springframework.beans.factory.BeanFactory	getBeanFactory()
int	getOrder()
protected static String	noBeanFoundMessage(Object target, String listenerBeanName, String requestedBeanName, Class<?> expectedClass)
Object	postProcessAfterInitialization(Object bean, String beanName)
protected abstract void	processMultiMethodListeners(List<A> classLevelListeners, List<Method> multiMethods, Object bean, String beanName)
protected @Nullable Object	resolveExpression(String value)
protected boolean	resolveExpressionAsBoolean(String value)
protected boolean	resolveExpressionAsBoolean(String value, boolean defaultValue)
protected @Nullable String	resolveExpressionAsString(String value, String attribute)
protected @Nullable String	resolveExpressionAsStringOrInteger(String value, String attribute)
protected <B> @Nullable B	resolveExpressionToBean(String attributeValue, String attributeName, Object annotationTarget, String beanName, Class<B> beanType)
protected @Nullable Integer	resolveExpressionToInteger(String value, String attribute)
void	setBeanClassLoader(ClassLoader classLoader)
void	setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory)
void	setEnvironment(org.springframework.core.env.Environment environment)
protected static Duration	toDuration(String value)
protected static Duration	toDuration(String value, TimeUnit timeUnit)

Methods inherited from class Object

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

Methods inherited from interface org.springframework.beans.factory.config.BeanPostProcessor

postProcessBeforeInitialization

Field Details

CONVERSION_SERVICE

protected static final org.springframework.core.convert.ConversionService CONVERSION_SERVICE

logger

protected final org.apache.commons.logging.Log logger

typeCache

protected final ConcurrentMap<Class<?>, AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A extends Annotation>> typeCache

Constructor Details

AbstractListenerAnnotationBeanPostProcessor

public AbstractListenerAnnotationBeanPostProcessor()

Method Details

getOrder

public int getOrder()

Specified by:

getOrder in interface org.springframework.core.Ordered

setEnvironment

public void setEnvironment(org.springframework.core.env.Environment environment)

Specified by:

setEnvironment in interface org.springframework.context.EnvironmentAware

setBeanFactory

public void setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory)

Specified by:

setBeanFactory in interface org.springframework.beans.factory.BeanFactoryAware

getBeanFactory

protected org.springframework.beans.factory.BeanFactory getBeanFactory()

setBeanClassLoader

public void setBeanClassLoader(ClassLoader classLoader)

Specified by:

setBeanClassLoader in interface org.springframework.beans.factory.BeanClassLoaderAware

getBeanClassLoader

protected ClassLoader getBeanClassLoader()

afterSingletonsInstantiated

public void afterSingletonsInstantiated()

Specified by:

afterSingletonsInstantiated in interface org.springframework.beans.factory.SmartInitializingSingleton

postProcessAfterInitialization

public Object postProcessAfterInitialization(Object bean,
 String beanName)
                                      throws org.springframework.beans.BeansException

Specified by:

postProcessAfterInitialization in interface org.springframework.beans.factory.config.BeanPostProcessor

Throws:

org.springframework.beans.BeansException

buildMetadata

protected abstract AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A> buildMetadata(Class<?> clazz)

doProcessAmqpListener

protected abstract void doProcessAmqpListener(A listenerAnnotation,
 Method method,
 Object bean,
 String beanName)

processMultiMethodListeners

protected abstract void processMultiMethodListeners(List<A> classLevelListeners,
 List<Method> multiMethods,
 Object bean,
 String beanName)

checkProxy

protected static Method checkProxy(Method methodArg,
 Object bean)

noBeanFoundMessage

protected static String noBeanFoundMessage(Object target,
 String listenerBeanName,
 String requestedBeanName,
 Class<?> expectedClass)

resolveExpressionAsBoolean

protected boolean resolveExpressionAsBoolean(String value)

resolveExpressionAsBoolean

protected boolean resolveExpressionAsBoolean(String value,
 boolean defaultValue)

resolveExpressionAsString

protected @Nullable String resolveExpressionAsString(String value,
 String attribute)

resolveExpressionAsStringOrInteger

protected @Nullable String resolveExpressionAsStringOrInteger(String value,
 String attribute)

resolveExpressionToInteger

protected @Nullable Integer resolveExpressionToInteger(String value,
 String attribute)

resolveExpressionToBean

protected <B> @Nullable B resolveExpressionToBean(String attributeValue,
 String attributeName,
 Object annotationTarget,
 String beanName,
 Class<B> beanType)

resolveExpression

protected @Nullable Object resolveExpression(String value)

toDuration

protected static Duration toDuration(String value)

toDuration

protected static Duration toDuration(String value,
 TimeUnit timeUnit)

buildMetadata

protected static <A extends Annotation>
AbstractListenerAnnotationBeanPostProcessor.TypeMetadata<A> buildMetadata(Class<?> targetClass,
 Class<A> listenerAnnotation,
 @Nullable Class<? extends Annotation> handlerAnnotation)