org.springframework.messaging.handler.annotation.support

Class AnnotationExceptionHandlerMethodResolver

java.lang.Object

org.springframework.messaging.handler.invocation.AbstractExceptionHandlerMethodResolver

org.springframework.messaging.handler.annotation.support.AnnotationExceptionHandlerMethodResolver

public class AnnotationExceptionHandlerMethodResolver
extends AbstractExceptionHandlerMethodResolver

A sub-class of AbstractExceptionHandlerMethodResolver that looks for MessageExceptionHandler-annotated methods in a given class. The actual exception types handled are extracted either from the annotation, if present, or from the method signature as a fallback option.

Since:

4.0

Author:

Rossen Stoyanchev

Field Summary

Fields

Modifier and Type	Field and Description
static ReflectionUtils.MethodFilter	EXCEPTION_HANDLER_METHOD_FILTER A filter for selecting annotated exception handling methods.

Constructor Summary

Constructors

Constructor and Description
AnnotationExceptionHandlerMethodResolver(java.lang.Class<?> handlerType) A constructor that finds MessageExceptionHandler methods in the given type.

Method Summary

Modifier and Type	Method and Description
private static java.util.List<java.lang.Class<? extends java.lang.Throwable>>	getMappedExceptions(java.lang.reflect.Method method)
private static java.util.Map<java.lang.Class<? extends java.lang.Throwable>,java.lang.reflect.Method>	initExceptionMappings(java.lang.Class<?> handlerType)

Methods inherited from class org.springframework.messaging.handler.invocation.AbstractExceptionHandlerMethodResolver

getExceptionsFromMethodSignature, hasExceptionMappings, resolveMethod

Methods inherited from class java.lang.Object

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

Field Detail

EXCEPTION_HANDLER_METHOD_FILTER

public static final ReflectionUtils.MethodFilter EXCEPTION_HANDLER_METHOD_FILTER

A filter for selecting annotated exception handling methods.

Constructor Detail

AnnotationExceptionHandlerMethodResolver

public AnnotationExceptionHandlerMethodResolver(java.lang.Class<?> handlerType)

A constructor that finds MessageExceptionHandler methods in the given type.

Parameters:

handlerType - the type to introspect

Method Detail

initExceptionMappings

private static java.util.Map<java.lang.Class<? extends java.lang.Throwable>,java.lang.reflect.Method> initExceptionMappings(java.lang.Class<?> handlerType)

getMappedExceptions

private static java.util.List<java.lang.Class<? extends java.lang.Throwable>> getMappedExceptions(java.lang.reflect.Method method)