org.springframework.web.reactive.result.method.annotation

Class AbstractMessageReaderArgumentResolver

java.lang.Object

org.springframework.web.reactive.result.method.annotation.AbstractMessageReaderArgumentResolver

Direct Known Subclasses:

HttpEntityArgumentResolver, RequestBodyArgumentResolver

public abstract class AbstractMessageReaderArgumentResolver
extends Object

Abstract base class for argument resolvers that resolve method arguments by reading the request body with an HttpMessageReader.

Applies validation if the method argument is annotated with @javax.validation.Valid or Validated. Validation failure results in an ServerWebInputException.

Since:

5.0

Author:

Rossen Stoyanchev

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMessageReaderArgumentResolver(List<org.springframework.http.codec.HttpMessageReader<?>> readers, org.springframework.validation.Validator validator) Constructor with HttpMessageReader's and a Validator.
protected	AbstractMessageReaderArgumentResolver(List<org.springframework.http.codec.HttpMessageReader<?>> messageReaders, org.springframework.validation.Validator validator, org.springframework.core.ReactiveAdapterRegistry adapterRegistry) Constructor that also accepts a ReactiveAdapterRegistry.

Method Summary

Modifier and Type	Method and Description
protected <T> Function<T,T>	applyValidationIfApplicable(org.springframework.core.MethodParameter methodParam)
protected boolean	checkRequired(org.springframework.core.ReactiveAdapter adapter, boolean isBodyRequired)
org.springframework.core.ReactiveAdapterRegistry	getAdapterRegistry() Return the configured ReactiveAdapterRegistry.
List<org.springframework.http.codec.HttpMessageReader<?>>	getMessageReaders() Return the configured message converters.
protected org.springframework.web.server.ServerWebInputException	getReadError(Throwable ex, org.springframework.core.MethodParameter parameter)
protected org.springframework.web.server.ServerWebInputException	getRequiredBodyError(org.springframework.core.MethodParameter parameter)
protected reactor.core.publisher.Mono<Object>	readBody(org.springframework.core.MethodParameter bodyParameter, boolean isBodyRequired, org.springframework.web.server.ServerWebExchange exchange)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMessageReaderArgumentResolver

protected AbstractMessageReaderArgumentResolver(List<org.springframework.http.codec.HttpMessageReader<?>> readers,
                                                org.springframework.validation.Validator validator)

Constructor with HttpMessageReader's and a Validator.

Parameters:

readers - readers to convert from the request body

validator - validator to validate decoded objects with

AbstractMessageReaderArgumentResolver

protected AbstractMessageReaderArgumentResolver(List<org.springframework.http.codec.HttpMessageReader<?>> messageReaders,
                                                org.springframework.validation.Validator validator,
                                                org.springframework.core.ReactiveAdapterRegistry adapterRegistry)

Constructor that also accepts a ReactiveAdapterRegistry.

Parameters:

messageReaders - readers to convert from the request body

validator - validator to validate decoded objects with

adapterRegistry - for adapting to other reactive types from Flux and Mono

Method Detail

getMessageReaders

public List<org.springframework.http.codec.HttpMessageReader<?>> getMessageReaders()

Return the configured message converters.

getAdapterRegistry

public org.springframework.core.ReactiveAdapterRegistry getAdapterRegistry()

Return the configured ReactiveAdapterRegistry.

readBody

protected reactor.core.publisher.Mono<Object> readBody(org.springframework.core.MethodParameter bodyParameter,
                                                       boolean isBodyRequired,
                                                       org.springframework.web.server.ServerWebExchange exchange)

checkRequired

protected boolean checkRequired(org.springframework.core.ReactiveAdapter adapter,
                                boolean isBodyRequired)

getReadError

protected org.springframework.web.server.ServerWebInputException getReadError(Throwable ex,
                                                                              org.springframework.core.MethodParameter parameter)

getRequiredBodyError

protected org.springframework.web.server.ServerWebInputException getRequiredBodyError(org.springframework.core.MethodParameter parameter)

applyValidationIfApplicable

protected <T> Function<T,T> applyValidationIfApplicable(org.springframework.core.MethodParameter methodParam)