public class HandlerMethodArgumentResolverComposite extends Object implements HandlerMethodArgumentResolver
HandlerMethodArgumentResolvers
.
Previously resolved method parameters are cached for faster lookups.Constructor and Description |
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HandlerMethodArgumentResolverComposite() |
public HandlerMethodArgumentResolverComposite()
public HandlerMethodArgumentResolverComposite addResolver(HandlerMethodArgumentResolver resolver)
HandlerMethodArgumentResolver
.public HandlerMethodArgumentResolverComposite addResolvers(@Nullable HandlerMethodArgumentResolver... resolvers)
HandlerMethodArgumentResolvers
.public HandlerMethodArgumentResolverComposite addResolvers(@Nullable List<? extends HandlerMethodArgumentResolver> resolvers)
HandlerMethodArgumentResolvers
.public List<HandlerMethodArgumentResolver> getResolvers()
public void clear()
public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolver
.supportsParameter
in interface HandlerMethodArgumentResolver
parameter
- the method parameter to checktrue
if this resolver supports the supplied parameter;
false
otherwise@Nullable public Object resolveArgument(MethodParameter parameter, Message<?> message) throws Exception
HandlerMethodArgumentResolvers
and invoke the one that supports it.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
IllegalArgumentException
- if no suitable argument resolver is foundException
- in case of errors with the preparation of argument values