org.springframework.web.reactive.result

Class HandlerResultHandlerSupport

java.lang.Object

org.springframework.web.reactive.result.HandlerResultHandlerSupport

All Implemented Interfaces:

org.springframework.core.Ordered

Direct Known Subclasses:

AbstractMessageWriterResultHandler, ViewResolutionResultHandler

public abstract class HandlerResultHandlerSupport
extends Object
implements org.springframework.core.Ordered

Base class for HandlerResultHandler with support for content negotiation and access to a ReactiveAdapter registry.

Since:

5.0

Author:

Rossen Stoyanchev

Field Summary

Fields

Modifier and Type	Field and Description
protected Log	logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HandlerResultHandlerSupport(RequestedContentTypeResolver contentTypeResolver, org.springframework.core.ReactiveAdapterRegistry adapterRegistry)

Method Summary

Modifier and Type	Method and Description
protected org.springframework.core.ReactiveAdapter	getAdapter(HandlerResult result) Get a ReactiveAdapter for the top-level return value type.
org.springframework.core.ReactiveAdapterRegistry	getAdapterRegistry() Return the configured ReactiveAdapterRegistry.
RequestedContentTypeResolver	getContentTypeResolver() Return the configured RequestedContentTypeResolver.
int	getOrder()
protected org.springframework.http.MediaType	selectMediaType(org.springframework.web.server.ServerWebExchange exchange, Supplier<List<org.springframework.http.MediaType>> producibleTypesSupplier) Select the best media type for the current request through a content negotiation algorithm.
void	setOrder(int order) Set the order for this result handler relative to others.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final Log logger

Constructor Detail

HandlerResultHandlerSupport

protected HandlerResultHandlerSupport(RequestedContentTypeResolver contentTypeResolver,
                                      org.springframework.core.ReactiveAdapterRegistry adapterRegistry)

Method Detail

getAdapterRegistry

public org.springframework.core.ReactiveAdapterRegistry getAdapterRegistry()

Return the configured ReactiveAdapterRegistry.

getContentTypeResolver

public RequestedContentTypeResolver getContentTypeResolver()

Return the configured RequestedContentTypeResolver.

setOrder

public void setOrder(int order)

Set the order for this result handler relative to others.

By default set to Ordered.LOWEST_PRECEDENCE, however see Javadoc of sub-classes which may change this default.

Parameters:

order - the order

getOrder

public int getOrder()

Specified by:

getOrder in interface org.springframework.core.Ordered

getAdapter

@Nullable
protected org.springframework.core.ReactiveAdapter getAdapter(HandlerResult result)

Get a ReactiveAdapter for the top-level return value type.

Returns:

the matching adapter, or null if none

selectMediaType

@Nullable
protected org.springframework.http.MediaType selectMediaType(org.springframework.web.server.ServerWebExchange exchange,
                                                                       Supplier<List<org.springframework.http.MediaType>> producibleTypesSupplier)

Select the best media type for the current request through a content negotiation algorithm.

Parameters:

exchange - the current request

producibleTypesSupplier - the media types that can be produced for the current request

Returns:

the selected media type, or null if none