程序包 cn.taketoday.web.handler.method

类 InvocableHandlerMethod

java.lang.Object

cn.taketoday.web.handler.method.HandlerMethod

cn.taketoday.web.handler.method.InvocableHandlerMethod

所有已实现的接口:

AsyncHandler

public class InvocableHandlerMethod
extends HandlerMethod

Extension of HandlerMethod that invokes the underlying method with argument values resolved from the current HTTP request through a list of ParameterResolvingStrategy.

从以下版本开始:

4.0 2022/4/8 23:12

作者:

Rossen Stoyanchev, Juergen Hoeller, Sebastien Deleuze, Harry Yang

嵌套类概要

从类继承的嵌套类/接口 cn.taketoday.web.handler.method.HandlerMethod

HandlerMethod.ConcurrentResultHandlerMethod, HandlerMethod.HandlerMethodParameter

字段概要

字段

修饰符和类型	字段	说明
private static final Object[]	EMPTY_ARGS
protected final ResolvableMethodParameter[]	resolvableParameters

从类继承的字段 cn.taketoday.web.handler.method.HandlerMethod

log

构造器概要

构造器

构造器	说明
InvocableHandlerMethod(HandlerMethod handlerMethod, ResolvableParameterFactory factory)	Create an instance from a HandlerMethod.
InvocableHandlerMethod(Object bean, Method method, ResolvableParameterFactory factory)	Create an instance from a bean instance and a method.
InvocableHandlerMethod(String beanName, cn.taketoday.beans.factory.BeanFactory beanFactory, cn.taketoday.context.MessageSource messageSource, Method method, ResolvableParameterFactory factory)

方法概要

修饰符和类型	方法	说明
private void	applyResponseStatus(RequestContext response)	Set the response status according to the ResponseStatus annotation.
protected Object	doInvoke(Object[] args)	Invoke the handler method with the given argument values.
protected Object[]	getMethodArgumentValues(RequestContext request, Object[] providedArgs)	Get the method argument values for the current request, checking the provided argument values and falling back to the configured argument resolvers.
Object	invokeAndHandle(RequestContext request)	Invoke the method and handle the status
Object	invokeForRequest(RequestContext request, Object... providedArgs)	Invoke the method after resolving its argument values in the context of the given request.

从类继承的方法 cn.taketoday.web.handler.method.HandlerMethod

assertTargetBean, computeResponseBody, createWithResolvedBean, equals, findProvidedArgument, formatArgumentError, formatInvokeError, getBean, getBeanType, getBridgedMethod, getContentType, getMethod, getMethodAnnotation, getMethodParameters, getParameterCount, getRawReturnType, getResolvedFromHandlerMethod, getResponseStatus, getResponseStatus, getResponseStatus, getResponseStatusReason, getReturnType, getReturnValueType, getShortLogMessage, getStatusValue, hashCode, hasMethodAnnotation, isResponseBody, isResponseBody, isReturn, isReturnTypeAssignableTo, isVoid, setContentType, toString, unwrap, wrapConcurrentResult

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

EMPTY_ARGS

private static final Object[] EMPTY_ARGS

resolvableParameters

protected final ResolvableMethodParameter[] resolvableParameters

构造器详细资料

InvocableHandlerMethod

public InvocableHandlerMethod(HandlerMethod handlerMethod,
 ResolvableParameterFactory factory)

Create an instance from a HandlerMethod.

InvocableHandlerMethod

public InvocableHandlerMethod(Object bean,
 Method method,
 ResolvableParameterFactory factory)

Create an instance from a bean instance and a method.

InvocableHandlerMethod

public InvocableHandlerMethod(String beanName,
 cn.taketoday.beans.factory.BeanFactory beanFactory,
 @Nullable
 cn.taketoday.context.MessageSource messageSource,
 Method method,
 ResolvableParameterFactory factory)

方法详细资料

invokeAndHandle

@Nullable
public Object invokeAndHandle(RequestContext request)
                       throws Throwable

Invoke the method and handle the status

参数:

request - the current request

抛出:

Throwable

applyResponseStatus

private void applyResponseStatus(RequestContext response)
                          throws IOException

Set the response status according to the ResponseStatus annotation.

抛出:

IOException

invokeForRequest

@Nullable
public Object invokeForRequest(RequestContext request,
 @Nullable
 Object... providedArgs)
                        throws Throwable

Invoke the method after resolving its argument values in the context of the given request.

Argument values are commonly resolved through ParameterResolvingStrategies. The providedArgs parameter however may supply argument values to be used directly, i.e. without argument resolution. Examples of provided argument values include a WebDataBinder, a SessionStatus, or a thrown exception instance. Provided argument values are checked before argument resolvers.

Delegates to getMethodArgumentValues(cn.taketoday.web.RequestContext, java.lang.Object[]) and calls doInvoke(java.lang.Object[]) with the resolved arguments.

参数:

request - the current request

providedArgs - "given" arguments matched by type, not resolved

返回:

the raw value returned by the invoked method

抛出:

Exception - raised if no suitable argument resolver can be found, or if the method raised an exception

Throwable

另请参阅:

• getMethodArgumentValues(cn.taketoday.web.RequestContext, java.lang.Object[])
• doInvoke(java.lang.Object[])

getMethodArgumentValues

protected Object[] getMethodArgumentValues(RequestContext request,
 @Nullable
 Object[] providedArgs)
                                    throws Throwable

Get the method argument values for the current request, checking the provided argument values and falling back to the configured argument resolvers.

The resulting array will be passed into doInvoke(java.lang.Object[]).

抛出:

Throwable

doInvoke

@Nullable
protected Object doInvoke(Object[] args)
                   throws Exception

Invoke the handler method with the given argument values.

抛出:

Exception