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java.lang.Objectorg.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite
public class HandlerMethodReturnValueHandlerComposite
Handles method return values by delegating to a list of registered HandlerMethodReturnValueHandlers.
Previously resolved return types are cached for faster lookups.
| Field Summary | |
|---|---|
protected Log |
logger
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| Constructor Summary | |
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HandlerMethodReturnValueHandlerComposite()
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| Method Summary | |
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HandlerMethodReturnValueHandlerComposite |
addHandler(HandlerMethodReturnValueHandler returnValuehandler)
Add the given HandlerMethodReturnValueHandler. |
HandlerMethodReturnValueHandlerComposite |
addHandlers(List<? extends HandlerMethodReturnValueHandler> returnValueHandlers)
Add the given HandlerMethodReturnValueHandlers. |
List<HandlerMethodReturnValueHandler> |
getHandlers()
Return a read-only list with the registered handlers, or an empty list. |
void |
handleReturnValue(Object returnValue,
MethodParameter returnType,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest)
Iterate over registered HandlerMethodReturnValueHandlers and invoke the one that supports it. |
boolean |
supportsReturnType(MethodParameter returnType)
Whether the given method return type is supported by any registered HandlerMethodReturnValueHandler. |
| Methods inherited from class java.lang.Object |
|---|
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 HandlerMethodReturnValueHandlerComposite()
| Method Detail |
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public List<HandlerMethodReturnValueHandler> getHandlers()
public boolean supportsReturnType(MethodParameter returnType)
HandlerMethodReturnValueHandler.
supportsReturnType in interface HandlerMethodReturnValueHandlerreturnType - the method return type to check
true if this handler supports the supplied return type;
false otherwise
public void handleReturnValue(Object returnValue,
MethodParameter returnType,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest)
throws Exception
HandlerMethodReturnValueHandlers and invoke the one that supports it.
handleReturnValue in interface HandlerMethodReturnValueHandlerreturnValue - 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)
and it must have returned truemavContainer - the ModelAndViewContainer for the current requestwebRequest - the current request
IllegalStateException - if no suitable HandlerMethodReturnValueHandler is found.
Exception - if the return value handling results in an errorpublic HandlerMethodReturnValueHandlerComposite addHandler(HandlerMethodReturnValueHandler returnValuehandler)
HandlerMethodReturnValueHandler.
public HandlerMethodReturnValueHandlerComposite addHandlers(List<? extends HandlerMethodReturnValueHandler> returnValueHandlers)
HandlerMethodReturnValueHandlers.
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