Package org.springframework.validation.beanvalidation

Class DefaultMethodValidator

java.lang.Object

org.springframework.validation.beanvalidation.DefaultMethodValidator

All Implemented Interfaces:

MethodValidator

Direct Known Subclasses:

HandlerMethodValidator

public class DefaultMethodValidator
extends Object
implements MethodValidator

Default implementation of MethodValidator that delegates to a MethodValidationAdapter. Also, convenient as a base class that allows handling of the validation result.

Since:

6.1

Author:

Rossen Stoyanchev

Constructor Summary

Constructors

Constructor	Description
DefaultMethodValidator(MethodValidationAdapter adapter)

Method Summary

Modifier and Type	Method	Description
Class<?>[]	determineValidationGroups(Object bean, Method method)	Use this method determine the validation groups to pass into MethodValidator.validateArguments(Object, Method, MethodParameter[], Object[], Class[]) and MethodValidator.validateReturnValue(Object, Method, MethodParameter, Object, Class[]).
protected void	handleArgumentsValidationResult(Object bean, Method method, Object[] arguments, Class<?>[] groups, MethodValidationResult result)	Subclasses can override this to handle the result of argument validation.
protected void	handleReturnValueValidationResult(Object bean, Method method, Object returnValue, Class<?>[] groups, MethodValidationResult result)	Subclasses can override this to handle the result of return value validation.
void	validateArguments(Object target, Method method, MethodParameter[] parameters, Object[] arguments, Class<?>[] groups)	Validate the given method arguments and return the result of validation.
void	validateReturnValue(Object target, Method method, MethodParameter returnType, Object returnValue, Class<?>[] groups)	Validate the given return value and return the result of validation.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultMethodValidator

public DefaultMethodValidator(MethodValidationAdapter adapter)

Method Details

determineValidationGroups

public Class<?>[] determineValidationGroups(Object bean,
 Method method)

Description copied from interface: MethodValidator

Use this method determine the validation groups to pass into MethodValidator.validateArguments(Object, Method, MethodParameter[], Object[], Class[]) and MethodValidator.validateReturnValue(Object, Method, MethodParameter, Object, Class[]).

Specified by:

determineValidationGroups in interface MethodValidator

Parameters:

bean - the target Object

method - the target method

Returns:

the applicable validation groups as a Class array

See Also:

• MethodValidationAdapter.determineValidationGroups(Object, Method)

validateArguments

public void validateArguments(Object target,
 Method method,
 @Nullable
 MethodParameter[] parameters,
 Object[] arguments,
 Class<?>[] groups)

Description copied from interface: MethodValidator

Validate the given method arguments and return the result of validation.

Specified by:

validateArguments in interface MethodValidator

Parameters:

target - the target Object

method - the target method

parameters - the parameters, if already created and available

arguments - the candidate argument values to validate

groups - groups for validation determined via MethodValidator.determineValidationGroups(Object, Method)

validateReturnValue

public void validateReturnValue(Object target,
 Method method,
 @Nullable
 MethodParameter returnType,
 @Nullable
 Object returnValue,
 Class<?>[] groups)

Description copied from interface: MethodValidator

Validate the given return value and return the result of validation.

Specified by:

validateReturnValue in interface MethodValidator

Parameters:

target - the target Object

method - the target method

returnType - the return parameter, if already created and available

returnValue - the return value to validate

groups - groups for validation determined via MethodValidator.determineValidationGroups(Object, Method)

handleArgumentsValidationResult

protected void handleArgumentsValidationResult(Object bean,
 Method method,
 Object[] arguments,
 Class<?>[] groups,
 MethodValidationResult result)

Subclasses can override this to handle the result of argument validation. By default, MethodValidationResult.throwIfViolationsPresent() is called.

Parameters:

bean - the target Object for method invocation

method - the target method

arguments - the candidate argument values to validate

groups - groups for validation determined via

handleReturnValueValidationResult

protected void handleReturnValueValidationResult(Object bean,
 Method method,
 @Nullable
 Object returnValue,
 Class<?>[] groups,
 MethodValidationResult result)

Subclasses can override this to handle the result of return value validation. By default, MethodValidationResult.throwIfViolationsPresent() is called.

Parameters:

bean - the target Object for method invocation

method - the target method

returnValue - the return value to validate

groups - groups for validation determined via