org.springframework.http.codec

Interface HttpMessageDecoder<T>

Type Parameters:

T - the type of elements in the output stream

All Superinterfaces:

Decoder<T>

All Known Implementing Classes:

AbstractJackson2Decoder, Jackson2CborDecoder, Jackson2JsonDecoder, Jackson2SmileDecoder

public interface HttpMessageDecoder<T>
extends Decoder<T>

Extension of Decoder exposing extra methods relevant in the context of HTTP request or response body decoding.

Since:

5.0

Author:

Rossen Stoyanchev

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	getDecodeHints(ResolvableType actualType, ResolvableType elementType, ServerHttpRequest request, ServerHttpResponse response) Get decoding hints based on the server request or annotations on the target controller method parameter.

Methods inherited from interface org.springframework.core.codec.Decoder

canDecode, decode, decode, decodeToMono, getDecodableMimeTypes

Method Detail

getDecodeHints

Map<String,Object> getDecodeHints(ResolvableType actualType,
                                  ResolvableType elementType,
                                  ServerHttpRequest request,
                                  ServerHttpResponse response)

Get decoding hints based on the server request or annotations on the target controller method parameter.

Parameters:

actualType - the actual target type to decode to, possibly a reactive wrapper and sourced from MethodParameter, i.e. providing access to method parameter annotations

elementType - the element type within Flux/Mono that we're trying to decode to

request - the current request

response - the current response

Returns:

a Map with hints, possibly empty