Class AsyncTaskMethodReturnValueHandler
java.lang.Object
org.springframework.web.servlet.mvc.method.annotation.AsyncTaskMethodReturnValueHandler
- All Implemented Interfaces:
HandlerMethodReturnValueHandler
public class AsyncTaskMethodReturnValueHandler
extends Object
implements HandlerMethodReturnValueHandler
Handles return values of type
WebAsyncTask.- Since:
- 3.2
- Author:
- Rossen Stoyanchev
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidhandleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) Handle the given return value by adding attributes to the model and setting a view or setting theModelAndViewContainer.setRequestHandled(boolean)flag totrueto indicate the response has been handled directly.booleansupportsReturnType(MethodParameter returnType) Whether the given method return type is supported by this handler.
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Constructor Details
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AsyncTaskMethodReturnValueHandler
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Method Details
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supportsReturnType
Description copied from interface:HandlerMethodReturnValueHandlerWhether the given method return type is supported by this handler.- Specified by:
supportsReturnTypein interfaceHandlerMethodReturnValueHandler- Parameters:
returnType- the method return type to check- Returns:
trueif this handler supports the supplied return type;falseotherwise
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handleReturnValue
public void handleReturnValue(@Nullable Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer, NativeWebRequest webRequest) throws Exception Description copied from interface:HandlerMethodReturnValueHandlerHandle the given return value by adding attributes to the model and setting a view or setting theModelAndViewContainer.setRequestHandled(boolean)flag totrueto indicate the response has been handled directly.- Specified by:
handleReturnValuein interfaceHandlerMethodReturnValueHandler- Parameters:
returnValue- the value returned from the handler methodreturnType- the type of the return value. This type must have previously been passed toHandlerMethodReturnValueHandler.supportsReturnType(org.springframework.core.MethodParameter)which must have returnedtrue.mavContainer- the ModelAndViewContainer for the current requestwebRequest- the current request- Throws:
Exception- if the return value handling results in an error
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