程序包 cn.taketoday.web.handler

类 HandlerExecutionChain

java.lang.Object

cn.taketoday.web.handler.HandlerInterceptorHolder

cn.taketoday.web.handler.InterceptableRequestHandler

cn.taketoday.web.handler.HandlerExecutionChain

所有已实现的接口:

HandlerAdapterAware, HandlerWrapper, HandlerInterceptorsProvider, HttpRequestHandler

public class HandlerExecutionChain
extends InterceptableRequestHandler
implements HandlerWrapper, HandlerAdapterAware

Handler execution chain, consisting of handler object and any handler interceptors. Returned by HandlerMapping's HandlerMapping.getHandler(cn.taketoday.web.RequestContext) method.

从以下版本开始:

4.0 2022/5/22 22:42

作者:

Juergen Hoeller, Harry Yang

另请参阅:

• HandlerInterceptor

字段概要

字段

修饰符和类型	字段	说明
private final Object	handler
private HandlerAdapter	handlerAdapter

从类继承的字段 cn.taketoday.web.handler.HandlerInterceptorHolder

interceptors

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

NONE_RETURN_VALUE

构造器概要

构造器

构造器	说明
HandlerExecutionChain(Object handler)	Create a new HandlerExecutionChain.
HandlerExecutionChain(Object handler, HandlerInterceptor... interceptors)	Create a new HandlerExecutionChain.

方法概要

修饰符和类型	方法	说明
void	addInterceptor(int index, HandlerInterceptor interceptor)	Add the given interceptor at the specified index of this chain.
void	addInterceptor(HandlerInterceptor interceptor)	Add the given interceptor to the end of this chain.
Object	getRawHandler()	Return the handler object to execute.
protected Object	handleInternal(RequestContext context)	perform this handler' behavior internal
void	setHandlerAdapter(HandlerAdapter handlerAdapter)
String	toString()	Delegates to the handler's toString() implementation.

从类继承的方法 cn.taketoday.web.handler.InterceptableRequestHandler

handleRequest

从类继承的方法 cn.taketoday.web.handler.HandlerInterceptorHolder

addInterceptors, addInterceptors, getHolder, getInterceptors, hasInterceptor, interceptorSize, setInterceptors, setInterceptors

从类继承的方法 java.lang.Object

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

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

getInterceptors, hasInterceptor

字段详细资料

handler

private final Object handler

handlerAdapter

private HandlerAdapter handlerAdapter

构造器详细资料

HandlerExecutionChain

public HandlerExecutionChain(Object handler)

Create a new HandlerExecutionChain.

参数:

handler - the handler object to execute

HandlerExecutionChain

public HandlerExecutionChain(Object handler,
 @Nullable
 HandlerInterceptor... interceptors)

Create a new HandlerExecutionChain.

参数:

handler - the handler object to execute

interceptors - the array of interceptors to apply (in the given order) before the handler itself executes

方法详细资料

getRawHandler

public Object getRawHandler()

Return the handler object to execute.

指定者:

getRawHandler 在接口中 HandlerWrapper

addInterceptor

public void addInterceptor(HandlerInterceptor interceptor)

Add the given interceptor to the end of this chain.

addInterceptor

public void addInterceptor(int index,
 HandlerInterceptor interceptor)

Add the given interceptor at the specified index of this chain.

toString

public String toString()

Delegates to the handler's toString() implementation.

覆盖:

toString 在类中 Object

handleInternal

@Nullable
protected Object handleInternal(RequestContext context)
                         throws Throwable

从类复制的说明: InterceptableRequestHandler

perform this handler' behavior internal

指定者:

handleInternal 在类中 InterceptableRequestHandler

抛出:

Throwable

setHandlerAdapter

public void setHandlerAdapter(HandlerAdapter handlerAdapter)

指定者:

setHandlerAdapter 在接口中 HandlerAdapterAware