Package org.springframework.graphql.data.method.annotation.support

Class PrincipalMethodArgumentResolver

java.lang.Object

org.springframework.graphql.data.method.annotation.support.PrincipalMethodArgumentResolver

All Implemented Interfaces:

HandlerMethodArgumentResolver

public class PrincipalMethodArgumentResolver
extends Object
implements HandlerMethodArgumentResolver

Resolver to obtain Principal from Spring Security context via SecurityContext.getAuthentication().

The resolver checks both ThreadLocal context via SecurityContextHolder for Spring MVC applications, and ReactiveSecurityContextHolder for Spring WebFlux applications. It returns .

Since:

1.0.0

Author:

Rossen Stoyanchev

Constructor Summary

Constructors

Constructor	Description
PrincipalMethodArgumentResolver()

Method Summary

Modifier and Type	Method	Description
Object	resolveArgument(MethodParameter parameter, DataFetchingEnvironment environment)	Resolve a method parameter to a value.
boolean	supportsParameter(MethodParameter parameter)	Return "true" if the argument is Principal or a sub-type.

Methods inherited from class java.lang.Object

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

Constructor Details

PrincipalMethodArgumentResolver

public PrincipalMethodArgumentResolver()

Method Details

supportsParameter

public boolean supportsParameter(MethodParameter parameter)

Return "true" if the argument is Principal or a sub-type.

Specified by:

supportsParameter in interface HandlerMethodArgumentResolver

resolveArgument

public Object resolveArgument(MethodParameter parameter,
 DataFetchingEnvironment environment)

Description copied from interface: HandlerMethodArgumentResolver

Resolve a method parameter to a value.

Specified by:

resolveArgument in interface HandlerMethodArgumentResolver

Parameters:

parameter - the method parameter to resolve. This parameter must have previously checked via HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter).

environment - the environment to use to resolve the value

Returns:

the resolved value, which may be null if not resolved; the value may also be a Mono if it requires asynchronous resolution.