Package org.springframework.web.method.annotation

Class HandlerMethodValidator

java.lang.Object

org.springframework.web.method.annotation.HandlerMethodValidator

All Implemented Interfaces:

org.springframework.validation.method.MethodValidator

public final class HandlerMethodValidator
extends Object
implements org.springframework.validation.method.MethodValidator

MethodValidator that uses Bean Validation to validate @RequestMapping method arguments.

Handles validation results by populating BindingResult method arguments with errors from beanResults. Also, helps to determine parameter names for @ModelAttribute and @RequestBody parameters.

Since:

6.1

Author:

Rossen Stoyanchev

Method Summary

Modifier and Type	Method	Description
void	applyArgumentValidation(Object target, Method method, org.springframework.core.MethodParameter[] parameters, Object[] arguments, Class<?>[] groups)
void	applyReturnValueValidation(Object target, Method method, org.springframework.core.MethodParameter returnType, Object returnValue, Class<?>[] groups)
Class<?>[]	determineValidationGroups(Object target, Method method)
static org.springframework.validation.method.MethodValidator	from(WebBindingInitializer initializer, org.springframework.core.ParameterNameDiscoverer paramNameDiscoverer, Predicate<org.springframework.core.MethodParameter> modelAttributePredicate, Predicate<org.springframework.core.MethodParameter> requestParamPredicate)	Static factory method to create a HandlerMethodValidator when Bean Validation is enabled for use via ConfigurableWebBindingInitializer, for example in Spring MVC or WebFlux config.
org.springframework.validation.method.MethodValidationResult	validateArguments(Object target, Method method, org.springframework.core.MethodParameter[] parameters, Object[] arguments, Class<?>[] groups)
org.springframework.validation.method.MethodValidationResult	validateReturnValue(Object target, Method method, org.springframework.core.MethodParameter returnType, Object returnValue, Class<?>[] groups)

Methods inherited from class java.lang.Object

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

Method Details

determineValidationGroups

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

Specified by:

determineValidationGroups in interface org.springframework.validation.method.MethodValidator

applyArgumentValidation

public void applyArgumentValidation(Object target,
 Method method,
 @Nullable
 org.springframework.core.MethodParameter[] parameters,
 Object[] arguments,
 Class<?>[] groups)

Specified by:

applyArgumentValidation in interface org.springframework.validation.method.MethodValidator

validateArguments

public org.springframework.validation.method.MethodValidationResult validateArguments(Object target,
 Method method,
 @Nullable
 org.springframework.core.MethodParameter[] parameters,
 Object[] arguments,
 Class<?>[] groups)

Specified by:

validateArguments in interface org.springframework.validation.method.MethodValidator

applyReturnValueValidation

public void applyReturnValueValidation(Object target,
 Method method,
 @Nullable
 org.springframework.core.MethodParameter returnType,
 @Nullable
 Object returnValue,
 Class<?>[] groups)

Specified by:

applyReturnValueValidation in interface org.springframework.validation.method.MethodValidator

validateReturnValue

public org.springframework.validation.method.MethodValidationResult validateReturnValue(Object target,
 Method method,
 @Nullable
 org.springframework.core.MethodParameter returnType,
 @Nullable
 Object returnValue,
 Class<?>[] groups)

Specified by:

validateReturnValue in interface org.springframework.validation.method.MethodValidator

from

@Nullable
public static org.springframework.validation.method.MethodValidator from(@Nullable
 WebBindingInitializer initializer,
 @Nullable
 org.springframework.core.ParameterNameDiscoverer paramNameDiscoverer,
 Predicate<org.springframework.core.MethodParameter> modelAttributePredicate,
 Predicate<org.springframework.core.MethodParameter> requestParamPredicate)

Static factory method to create a HandlerMethodValidator when Bean Validation is enabled for use via ConfigurableWebBindingInitializer, for example in Spring MVC or WebFlux config.