Class ServerWebExchangeContextFilter
java.lang.Object
org.springframework.web.filter.reactive.ServerWebExchangeContextFilter
- All Implemented Interfaces:
WebFilter
Inserts an attribute in the Reactor
Context
that makes the current
ServerWebExchange
available under the attribute name
EXCHANGE_CONTEXT_ATTRIBUTE
. This is useful for access to the
exchange without explicitly passing it to components that participate in
request processing.
The convenience method get(Context)
looks up the exchange.
- Since:
- 5.2
- Author:
- Rossen Stoyanchev
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Field Summary
Modifier and TypeFieldDescriptionstatic final String
Attribute name under which the exchange is saved in the context. -
Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionreactor.core.publisher.Mono<Void>
filter
(ServerWebExchange exchange, WebFilterChain chain) Process the Web request and (optionally) delegate to the nextWebFilter
through the givenWebFilterChain
.static Optional<ServerWebExchange>
get
(reactor.util.context.Context context) Access theServerWebExchange
from the Reactor Context, if available, which is ifServerWebExchangeContextFilter
is configured for use and the give context was obtained from a request processing chain.
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Field Details
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EXCHANGE_CONTEXT_ATTRIBUTE
Attribute name under which the exchange is saved in the context.
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Constructor Details
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ServerWebExchangeContextFilter
public ServerWebExchangeContextFilter()
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Method Details
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filter
Description copied from interface:WebFilter
Process the Web request and (optionally) delegate to the nextWebFilter
through the givenWebFilterChain
. -
get
Access theServerWebExchange
from the Reactor Context, if available, which is ifServerWebExchangeContextFilter
is configured for use and the give context was obtained from a request processing chain.- Parameters:
context
- the context in which to access the exchange- Returns:
- the exchange
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