java.lang.Object
- org.springframework.web.method.annotation.ExceptionHandlerMethodResolver

```
public class ExceptionHandlerMethodResolver
extends Object
```
Discovers @ExceptionHandler methods in a given class, including all of its superclasses, and helps to resolve a given Exception to the exception types supported by a given Method.
Since:
3.1
Author:
Rossen Stoyanchev, Juergen Hoeller

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

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`hasExceptionMappings()`	Whether the contained type has any exception mappings.
`Method`	`resolveMethod(Exception exception)`	Find a `Method` to handle the given exception.
`Method`	`resolveMethodByExceptionType(Class<? extends Throwable> exceptionType)`	Find a `Method` to handle the given exception type.
`Method`	`resolveMethodByThrowable(Throwable exception)`	Find a `Method` to handle the given Throwable.

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
```
@Nullable
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 if none found
  - resolveMethodByThrowable
```
@Nullable
public Method resolveMethodByThrowable(Throwable exception)
```
    Find a Method to handle the given Throwable. Use ExceptionDepthComparator if more than one match is found.
    Parameters:
    exception - the exception
    Returns:
    a Method to handle the exception, or null if none found
    Since:
    5.0
  - resolveMethodByExceptionType
```
@Nullable
public Method resolveMethodByExceptionType(Class<? extends Throwable> exceptionType)
```
    Find a Method to handle the given exception type. This can be useful if an Exception instance is not available (e.g. for tools).
    Parameters:
    exceptionType - the exception type
    Returns:
    a Method to handle the exception, or null if none found

Class ExceptionHandlerMethodResolver

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

EXCEPTION_HANDLER_METHODS

Constructor Detail

ExceptionHandlerMethodResolver

Method Detail

hasExceptionMappings

resolveMethod

resolveMethodByThrowable

resolveMethodByExceptionType