程序包 cn.taketoday.web.handler.result

接口 HandlerMethodReturnValueHandler

所有超级接口:

ReturnValueHandler

所有已知实现类:

AsyncTaskMethodReturnValueHandler, CallableMethodReturnValueHandler, DeferredResultReturnValueHandler, HttpEntityMethodProcessor, HttpHeadersReturnValueHandler, HttpStatusReturnValueHandler, MapMethodProcessor, ModelAttributeMethodProcessor, ObjectHandlerMethodReturnValueHandler, RenderedImageReturnValueHandler, RequestResponseBodyMethodProcessor, StreamingResponseBodyReturnValueHandler, VoidReturnValueHandler

public interface HandlerMethodReturnValueHandler
extends ReturnValueHandler

just for HandlerMethod return-value handling

作者:

TODAY 2019-12-13 13:52

字段概要

从接口继承的字段 cn.taketoday.web.ReturnValueHandler

NONE_RETURN_VALUE

方法概要

修饰符和类型	方法	说明
default void	handleHandlerMethodReturnValue(RequestContext context, HandlerMethod handler, Object returnValue)	Handle result of the handler
default void	handleReturnValue(RequestContext context, Object handler, Object returnValue)	Handle result of the handler
default boolean	supportsHandler(Object handler)	If this ReturnValueHandler supports the target handler
default boolean	supportsHandlerMethod(HandlerMethod handler)	Whether the given method is supported by this handler.

从接口继承的方法 cn.taketoday.web.ReturnValueHandler

supportsReturnValue

方法详细资料

supportsHandler

default boolean supportsHandler(Object handler)

从接口复制的说明: ReturnValueHandler

If this ReturnValueHandler supports the target handler

This method can test this ReturnValueHandler supports the target handler in application startup time , static match

指定者:

supportsHandler 在接口中 ReturnValueHandler

参数:

handler - Target HTTP handler

返回:

If this ReturnValueHandler supports the target handler

supportsHandlerMethod

default boolean supportsHandlerMethod(HandlerMethod handler)

Whether the given method is supported by this handler.

返回:

true if this handler supports the supplied return type; false otherwise

另请参阅:

• HandlerMethod

handleReturnValue

default void handleReturnValue(RequestContext context,
 @Nullable
 Object handler,
 @Nullable
 Object returnValue)
                        throws Exception

Handle result of the handler

指定者:

handleReturnValue 在接口中 ReturnValueHandler

参数:

context - Current HTTP request context

handler - handler may be HandlerMethod

returnValue - Handler execution result Or HandlerExceptionHandler return value

抛出:

Exception - return-value handled failed

handleHandlerMethodReturnValue

default void handleHandlerMethodReturnValue(RequestContext context,
 HandlerMethod handler,
 @Nullable
 Object returnValue)
                                     throws Exception

Handle result of the handler

参数:

context - Current HTTP request context

handler - HandlerMethod

returnValue - Handler execution result Or HandlerExceptionHandler return value

抛出:

Exception - return-value handled failed