程序包 infra.aop.framework.adapter

类 ThrowsAdviceInterceptor

java.lang.Object

infra.aop.framework.adapter.ThrowsAdviceInterceptor

所有已实现的接口:

AfterAdvice, Advice, Interceptor, MethodInterceptor

public class ThrowsAdviceInterceptor
extends Object
implements MethodInterceptor, AfterAdvice

Interceptor to wrap an after-throwing advice.

The signatures on handler methods on the ThrowsAdvice implementation method argument must be of the form:
void afterThrowing([Method, args, target], ThrowableSubclass);

Only the last argument is required.

Some examples of valid methods would be:

public void afterThrowing(Exception ex)

public void afterThrowing(RemoteException)

public void afterThrowing(Method method, Object[] args, Object target, Exception ex)

This is a framework class that need not be used directly by Framework users.

从以下版本开始:

4.0

作者:

Rod Johnson, Juergen Hoeller, Harry Yang

另请参阅:

• MethodBeforeAdviceInterceptor
• AfterReturningAdviceInterceptor

字段概要

字段

修饰符和类型	字段	说明
private static final String	AFTER_THROWING
private final Map<Class<?>,Method>	exceptionHandlerMap	Methods on throws advice, keyed by exception class.
private static final infra.logging.Logger	logger
private final Object	throwsAdvice

构造器概要

构造器

构造器	说明
ThrowsAdviceInterceptor(Object throwsAdvice)	Create a new ThrowsAdviceInterceptor for the given ThrowsAdvice.

方法概要

修饰符和类型	方法	说明
private Method	getExceptionHandler(Throwable exception)	Determine the exception handle method for the given exception.
int	getHandlerMethodCount()	Return the number of handler methods in this advice.
Object	invoke(MethodInvocation mi)	Implement this method to perform extra treatments before and after the invocation.
private void	invokeHandlerMethod(MethodInvocation mi, Throwable ex, Method method)

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

AFTER_THROWING

private static final String AFTER_THROWING

另请参阅:

• 常量字段值

logger

private static final infra.logging.Logger logger

throwsAdvice

private final Object throwsAdvice

exceptionHandlerMap

private final Map<Class<?>,Method> exceptionHandlerMap

Methods on throws advice, keyed by exception class.

构造器详细资料

ThrowsAdviceInterceptor

public ThrowsAdviceInterceptor(Object throwsAdvice)

Create a new ThrowsAdviceInterceptor for the given ThrowsAdvice.

参数:

throwsAdvice - the advice object that defines the exception handler methods (usually a ThrowsAdvice implementation)

方法详细资料

getHandlerMethodCount

public int getHandlerMethodCount()

Return the number of handler methods in this advice.

invoke

@Nullable
public Object invoke(MethodInvocation mi)
              throws Throwable

从接口复制的说明: MethodInterceptor

Implement this method to perform extra treatments before and after the invocation. Polite implementations would certainly like to invoke Joinpoint.proceed().

指定者:

invoke 在接口中 MethodInterceptor

参数:

mi - the method invocation joinpoint

返回:

the result of the call to Joinpoint.proceed(), might be intercepted by the interceptor.

抛出:

Throwable - if the interceptors or the target-object throws an exception.

getExceptionHandler

@Nullable
private Method getExceptionHandler(Throwable exception)

Determine the exception handle method for the given exception.

参数:

exception - the exception thrown

返回:

a handler for the given exception type, or null if none found

invokeHandlerMethod

private void invokeHandlerMethod(MethodInvocation mi,
 Throwable ex,
 Method method)
                          throws Throwable

抛出:

Throwable