org.springframework.web.method.annotation

Class ExceptionHandlerMethodResolver

java.lang.Object

org.springframework.web.method.annotation.ExceptionHandlerMethodResolver

public class ExceptionHandlerMethodResolver
extends Object

Discovers @ExceptionHandler methods in a given class type, including all super types, and helps to resolve an Exception to the method its mapped to. Exception mappings are defined through @ExceptionHandler annotation or by looking at the signature of an @ExceptionHandler method.

Since:

3.1

Author:

Rossen Stoyanchev

Field Summary

Fields

Modifier and Type	Field and Description
static ReflectionUtils.MethodFilter	EXCEPTION_HANDLER_METHODS A filter for selecting @ExceptionHandler methods.

Constructor Summary

Constructors

Constructor and Description
ExceptionHandlerMethodResolver(Class<?> handlerType) A constructor that finds ExceptionHandler methods in the given type.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasExceptionMappings() Whether the contained type has any exception mappings.
Method	resolveMethod(Exception exception) Find a method to handle the given exception.

Methods inherited from class java.lang.Object

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

Field Detail

EXCEPTION_HANDLER_METHODS

public static final ReflectionUtils.MethodFilter EXCEPTION_HANDLER_METHODS

A filter for selecting @ExceptionHandler methods.

Constructor Detail

ExceptionHandlerMethodResolver

public ExceptionHandlerMethodResolver(Class<?> handlerType)

A constructor that finds ExceptionHandler methods in the given type.

Parameters:

handlerType - the type to introspect

Method Detail

hasExceptionMappings

public boolean hasExceptionMappings()

Whether the contained type has any exception mappings.

resolveMethod

public Method resolveMethod(Exception exception)

Find a method to handle the given exception. Use ExceptionDepthComparator if more than one match is found.

Parameters:

exception - the exception

Returns:

a method to handle the exception or null