程序包 cn.taketoday.web

类 ReturnValueHandlerDecorator

java.lang.Object

cn.taketoday.web.ReturnValueHandlerDecorator

所有已实现的接口:

ReturnValueHandler

public class ReturnValueHandlerDecorator
extends Object
implements ReturnValueHandler

Decorator Pattern

从以下版本开始:

4.0 2022/1/24 15:00

作者:

Harry Yang

字段概要

字段

修饰符和类型	字段	说明
private final ReturnValueHandler	delegate

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

NONE_RETURN_VALUE

构造器概要

构造器

构造器	说明
ReturnValueHandlerDecorator(ReturnValueHandler delegate)

方法概要

修饰符和类型	方法	说明
ReturnValueHandler	getDelegate()
void	handleReturnValue(RequestContext context, Object handler, Object returnValue)	Handle result of the handler
boolean	supportsHandler(Object handler)	If this ReturnValueHandler supports the target handler
boolean	supportsReturnValue(Object returnValue)	If this ReturnValueHandler supports the target handler's result

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

delegate

private final ReturnValueHandler delegate

构造器详细资料

ReturnValueHandlerDecorator

public ReturnValueHandlerDecorator(ReturnValueHandler delegate)

方法详细资料

supportsHandler

public 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

supportsReturnValue

public boolean supportsReturnValue(@Nullable
 Object returnValue)

从接口复制的说明: ReturnValueHandler

If this ReturnValueHandler supports the target handler's result

This method can test this ReturnValueHandler supports the target handler in application runtime

指定者:

supportsReturnValue 在接口中 ReturnValueHandler

参数:

returnValue - Target handler's return-value or result

返回:

If this ReturnValueHandler supports the target handler's result

handleReturnValue

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

从接口复制的说明: ReturnValueHandler

Handle result of the handler

指定者:

handleReturnValue 在接口中 ReturnValueHandler

参数:

context - Current HTTP request context

handler - Target HTTP handler

returnValue - Handler execution result Or HandlerExceptionHandler return value

抛出:

Exception - return-value handled failed

getDelegate

public ReturnValueHandler getDelegate()