public class PayloadArgumentResolver extends Object implements HandlerMethodArgumentResolver
MessageConverter.
This HandlerMethodArgumentResolver should be ordered last as it supports all
types and does not require the Payload annotation.
| Constructor and Description |
|---|
PayloadArgumentResolver(MessageConverter messageConverter) |
| Modifier and Type | Method and Description |
|---|---|
protected boolean |
isEmptyPayload(Message<?> message) |
Object |
resolveArgument(MethodParameter parameter,
Message<?> message)
Resolves a method parameter into an argument value from a given message.
|
boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is
supported by this resolver.
|
public PayloadArgumentResolver(MessageConverter messageConverter)
public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolversupportsParameter in interface HandlerMethodArgumentResolverparameter - the method parameter to checktrue if this resolver supports the supplied parameter;
false otherwisepublic Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception
HandlerMethodArgumentResolverresolveArgument in interface HandlerMethodArgumentResolverparameter - the method parameter to resolve. This parameter must
have previously been passed to
HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter)
and it must have returned truenull.Exception - in case of errors with the preparation of argument valuesprotected boolean isEmptyPayload(Message<?> message)