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Align validation metadata handling in PayloadMethodArgumentResolver

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Reuses ValidationAnnotationUtils which is slightly optimized for the detection of Spring's Validated annotation now, also to the benefit of common web scenarios.

Closes gh-21852

(cherry picked from commit c7269feeaa)
This commit is contained in:
Juergen Hoeller
2023-08-16 12:48:06 +02:00
parent 4326c53222
commit 5f7a6a0f38
3 changed files with 37 additions and 32 deletions
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21
spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/reactive/PayloadMethodArgumentResolver.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -34,7 +34,6 @@ import org.springframework.core.MethodParameter;
import org.springframework.core.ReactiveAdapter;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.core.ResolvableType;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.codec.Decoder;
import org.springframework.core.codec.DecodingException;
import org.springframework.core.io.buffer.DataBuffer;
@@ -55,17 +54,17 @@ import org.springframework.util.StringUtils;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.validation.SmartValidator;
import org.springframework.validation.Validator;
import org.springframework.validation.annotation.Validated;
import org.springframework.validation.annotation.ValidationAnnotationUtils;
/**
* A resolver to extract and decode the payload of a message using a
* {@link Decoder}, where the payload is expected to be a {@link Publisher} of
* {@link DataBuffer DataBuffer}.
* {@link Decoder}, where the payload is expected to be a {@link Publisher}
* of {@link DataBuffer DataBuffer}.
*
* <p>Validation is applied if the method argument is annotated with
* {@code @javax.validation.Valid} or
* {@link org.springframework.validation.annotation.Validated}. Validation
* failure results in an {@link MethodArgumentNotValidException}.
* {@link org.springframework.validation.annotation.Validated} or
* {@code @javax.validation.Valid}. Validation failure results in an
* {@link MethodArgumentNotValidException}.
*
* <p>This resolver should be ordered last if {@link #useDefaultResolution} is
* set to {@code true} since in that case it supports all types and does not
@@ -287,10 +286,8 @@ public class PayloadMethodArgumentResolver implements HandlerMethodArgumentResol
return null;
}
for (Annotation ann : parameter.getParameterAnnotations()) {
Validated validatedAnn = AnnotationUtils.getAnnotation(ann, Validated.class);
if (validatedAnn != null || ann.annotationType().getSimpleName().startsWith("Valid")) {
Object hints = (validatedAnn != null ? validatedAnn.value() : AnnotationUtils.getValue(ann));
Object[] validationHints = (hints instanceof Object[] ? (Object[]) hints : new Object[] {hints});
Object[] validationHints = ValidationAnnotationUtils.determineValidationHints(ann);
if (validationHints != null) {
String name = Conventions.getVariableNameForParameter(parameter);
return target -> {
BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(target, name);

19
spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/PayloadMethodArgumentResolver.java
View File

@@ -19,7 +19,6 @@ package org.springframework.messaging.handler.annotation.support;
import java.lang.annotation.Annotation;
import org.springframework.core.MethodParameter;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.converter.MessageConversionException;
@@ -36,12 +35,16 @@ import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.validation.SmartValidator;
import org.springframework.validation.Validator;
import org.springframework.validation.annotation.Validated;
import org.springframework.validation.annotation.ValidationAnnotationUtils;
/**
* A resolver to extract and convert the payload of a message using a
* {@link MessageConverter}. It also validates the payload using a
* {@link Validator} if the argument is annotated with a Validation annotation.
* {@link MessageConverter}.
*
* <p>Validation is applied if the method argument is annotated with
* {@link org.springframework.validation.annotation.Validated} or
* {@code @javax.validation.Valid}. Validation failure results in an
* {@link MethodArgumentNotValidException}.
*
* <p>This {@link HandlerMethodArgumentResolver} should be ordered last as it
* supports all types and does not require the {@link Payload} annotation.
@@ -190,8 +193,6 @@ public class PayloadMethodArgumentResolver implements HandlerMethodArgumentResol
/**
* Validate the payload if applicable.
* <p>The default implementation checks for {@code @javax.validation.Valid},
* Spring's {@link Validated}, and custom annotations whose name starts with "Valid".
* @param message the currently processed message
* @param parameter the method parameter
* @param target the target payload object
@@ -202,10 +203,8 @@ public class PayloadMethodArgumentResolver implements HandlerMethodArgumentResol
return;
}
for (Annotation ann : parameter.getParameterAnnotations()) {
Validated validatedAnn = AnnotationUtils.getAnnotation(ann, Validated.class);
if (validatedAnn != null || ann.annotationType().getSimpleName().startsWith("Valid")) {
Object hints = (validatedAnn != null ? validatedAnn.value() : AnnotationUtils.getValue(ann));
Object[] validationHints = (hints instanceof Object[] ? (Object[]) hints : new Object[] {hints});
Object[] validationHints = ValidationAnnotationUtils.determineValidationHints(ann);
if (validationHints != null) {
BeanPropertyBindingResult bindingResult =
new BeanPropertyBindingResult(target, getParameterName(parameter));
if (!ObjectUtils.isEmpty(validationHints) && this.validator instanceof SmartValidator) {