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java.lang.Objectorg.springframework.web.method.support.HandlerMethodArgumentResolverComposite
public class HandlerMethodArgumentResolverComposite
Resolves method parameters by delegating to a list of registered HandlerMethodArgumentResolvers.
Previously resolved method parameters are cached for faster lookups.
| Field Summary | |
|---|---|
protected Log |
logger
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| Constructor Summary | |
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HandlerMethodArgumentResolverComposite()
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| Method Summary | |
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HandlerMethodArgumentResolverComposite |
addResolver(HandlerMethodArgumentResolver argumentResolver)
Add the given HandlerMethodArgumentResolver. |
HandlerMethodArgumentResolverComposite |
addResolvers(List<? extends HandlerMethodArgumentResolver> argumentResolvers)
Add the given HandlerMethodArgumentResolvers. |
List<HandlerMethodArgumentResolver> |
getResolvers()
Return a read-only list with the contained resolvers, or an empty list. |
Object |
resolveArgument(MethodParameter parameter,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest,
WebDataBinderFactory binderFactory)
Iterate over registered HandlerMethodArgumentResolvers and invoke the one that supports it. |
boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is supported by any registered HandlerMethodArgumentResolver. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
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protected final Log logger
| Constructor Detail |
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public HandlerMethodArgumentResolverComposite()
| Method Detail |
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public List<HandlerMethodArgumentResolver> getResolvers()
public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolver.
supportsParameter in interface HandlerMethodArgumentResolverparameter - the method parameter to check
true if this resolver supports the supplied parameter;
false otherwise
public Object resolveArgument(MethodParameter parameter,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest,
WebDataBinderFactory binderFactory)
throws Exception
HandlerMethodArgumentResolvers and invoke the one that supports it.
resolveArgument 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 truemavContainer - the ModelAndViewContainer for the current requestwebRequest - the current requestbinderFactory - a factory for creating WebDataBinder instances
null.
IllegalStateException - if no suitable HandlerMethodArgumentResolver is found.
Exception - in case of errors with the preparation of argument valuespublic HandlerMethodArgumentResolverComposite addResolver(HandlerMethodArgumentResolver argumentResolver)
HandlerMethodArgumentResolver.
public HandlerMethodArgumentResolverComposite addResolvers(List<? extends HandlerMethodArgumentResolver> argumentResolvers)
HandlerMethodArgumentResolvers.
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