PrincipalMethodArgumentResolver (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.web.reactive.result.method.HandlerMethodArgumentResolverSupport
- - org.springframework.web.reactive.result.method.annotation.PrincipalMethodArgumentResolver

All Implemented Interfaces:
HandlerMethodArgumentResolver
```
public class PrincipalMethodArgumentResolver
extends HandlerMethodArgumentResolverSupport
```
Resolves method argument value of type Principal.
Since:
5.2
Author:
Rossen Stoyanchev
See Also:
ServerWebExchangeMethodArgumentResolver

Field Summary
- Fields inherited from class org.springframework.web.reactive.result.method.HandlerMethodArgumentResolverSupport
  logger

Constructor Summary
Constructors
Constructor Description
PrincipalMethodArgumentResolver(ReactiveAdapterRegistry adapterRegistry)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`reactor.core.publisher.Mono<Object>`	`resolveArgument(MethodParameter parameter, BindingContext context, ServerWebExchange exchange)`	Resolve the value for the method parameter.
`boolean`	`supportsParameter(MethodParameter parameter)`	Whether this resolver supports the given method parameter.

Methods inherited from class org.springframework.web.reactive.result.method.HandlerMethodArgumentResolverSupport
checkAnnotatedParamNoReactiveWrapper, checkParameterType, checkParameterTypeNoReactiveWrapper, getAdapterRegistry

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PrincipalMethodArgumentResolver

public PrincipalMethodArgumentResolver(ReactiveAdapterRegistry adapterRegistry)

Method Detail
- supportsParameter
```
public boolean supportsParameter(MethodParameter parameter)
```
  Description copied from interface: HandlerMethodArgumentResolver
  Whether this resolver supports the given method parameter.
  Parameters:
  parameter - the method parameter
- resolveArgument
```
public reactor.core.publisher.Mono<Object> resolveArgument(MethodParameter parameter,
                                                           BindingContext context,
                                                           ServerWebExchange exchange)
```
  Description copied from interface: HandlerMethodArgumentResolver
  Resolve the value for the method parameter.
  Parameters:
  parameter - the method parameter
  context - the binding context to use
  exchange - the current exchange
  Returns:
  Mono for the argument value, possibly empty