HeadersMethodArgumentResolver (Spring Framework 5.2.12.RELEASE API)

java.lang.Object
- org.springframework.messaging.handler.annotation.reactive.HeadersMethodArgumentResolver

All Implemented Interfaces:
HandlerMethodArgumentResolver, SyncHandlerMethodArgumentResolver
```
public class HeadersMethodArgumentResolver
extends Object
implements SyncHandlerMethodArgumentResolver
```
Argument resolver for headers. Resolves the following method parameters:
Since:
5.2
Author:
Rossen Stoyanchev

Constructor Summary
Constructors
Constructor Description
HeadersMethodArgumentResolver()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`resolveArgumentValue(MethodParameter parameter, Message<?> message)`	Resolve the value for the method parameter synchronously.
`boolean`	`supportsParameter(MethodParameter parameter)`	Whether the given method parameter is supported by this resolver.

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

Methods inherited from interface org.springframework.messaging.handler.invocation.reactive.SyncHandlerMethodArgumentResolver
resolveArgument

- Constructor Detail
  - HeadersMethodArgumentResolver
```
public HeadersMethodArgumentResolver()
```
- Method Detail
  - supportsParameter
```
public boolean supportsParameter(MethodParameter parameter)
```
    Description copied from interface: HandlerMethodArgumentResolver
    Whether the given method parameter is supported by this resolver.
    Specified by:
    supportsParameter in interface HandlerMethodArgumentResolver
    Parameters:
    parameter - the method parameter to check
    Returns:
    true if this resolver supports the supplied parameter; false otherwise
  - resolveArgumentValue
```
@Nullable
public Object resolveArgumentValue(MethodParameter parameter,
                                   Message<?> message)
```
    Description copied from interface: SyncHandlerMethodArgumentResolver
    Resolve the value for the method parameter synchronously.
    Specified by:
    resolveArgumentValue in interface SyncHandlerMethodArgumentResolver
    Parameters:
    parameter - the method parameter
    message - the currently processed message
    Returns:
    the resolved value, if any