public class HandlerMethodReturnValueHandlerComposite extends Object implements AsyncHandlerMethodReturnValueHandler
HandlerMethodReturnValueHandler
s.
Previously resolved return types are cached for faster lookups.Constructor and Description |
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HandlerMethodReturnValueHandlerComposite() |
protected final Log logger
public HandlerMethodReturnValueHandlerComposite()
public List<HandlerMethodReturnValueHandler> getHandlers()
public boolean supportsReturnType(MethodParameter returnType)
HandlerMethodReturnValueHandler
.supportsReturnType
in interface HandlerMethodReturnValueHandler
returnType
- the method return type to checktrue
if this handler supports the supplied return type;
false
otherwisepublic void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception
HandlerMethodReturnValueHandler
s and invoke the one that supports it.handleReturnValue
in interface HandlerMethodReturnValueHandler
returnValue
- the value returned from the handler methodreturnType
- the type of the return value. This type must have
previously been passed to HandlerMethodReturnValueHandler.supportsReturnType(org.springframework.core.MethodParameter)
which must
have returned true
.mavContainer
- the ModelAndViewContainer for the current requestwebRequest
- the current requestIllegalStateException
- if no suitable HandlerMethodReturnValueHandler
is found.Exception
- if the return value handling results in an errorpublic boolean isAsyncReturnValue(Object value, MethodParameter returnType)
AsyncHandlerMethodReturnValueHandler
isAsyncReturnValue
in interface AsyncHandlerMethodReturnValueHandler
value
- the return valuereturnType
- the return typetrue
if the return value is asynchronous.public HandlerMethodReturnValueHandlerComposite addHandler(HandlerMethodReturnValueHandler handler)
HandlerMethodReturnValueHandler
.public HandlerMethodReturnValueHandlerComposite addHandlers(List<? extends HandlerMethodReturnValueHandler> handlers)
HandlerMethodReturnValueHandler
s.