public class PrincipalMethodArgumentResolver extends Object implements HandlerMethodArgumentResolver
Constructor and Description |
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PrincipalMethodArgumentResolver() |
Modifier and Type | Method and Description |
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Object |
resolveArgument(MethodParameter parameter,
Message<?> message)
Resolves a method parameter into an argument value from a given message.
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boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is
supported by this resolver.
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public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolver
supportsParameter
in interface HandlerMethodArgumentResolver
parameter
- the method parameter to checktrue
if this resolver supports the supplied parameter;
false
otherwisepublic Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception
HandlerMethodArgumentResolver
resolveArgument
in interface HandlerMethodArgumentResolver
parameter
- the method parameter to resolve.
This parameter must have previously been passed to
HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter)
which must have returned true
.message
- the currently processed messagenull
Exception
- in case of errors with the preparation of argument values