I have managed to do this with the @Before advice and some reflection.
This should have some performance impact but with the @AfterReturning
advice
the field is already set can not be modified.
Thanks,
Luc
On 8/13/07, Bengali Bengali <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> i am an aspectj beginner and i have difficulties to write a pointcut and
> actually
> i am wondering if what i try to achieve is possible with aspectj.
>
> I would like to get every field within every one of mypackages which are
> marked with an annotation
> at read time and if null set it a value.
>
> Example:
>
> package com.mycompany.beans
> class MyBean {
> @Logger mylogger;
>
> public void test() {
> mylogger.info("hello world");
> }
>
> }
>
> If mylogger is null i would like to instantiate it.
>
> I tried with the following pointcut:
>
> @Before("get(KeyLogger com.mycompany.beans..*.*) &&
> @annotation(kLogger)")
> public void setLoggerIfNull(Logger kLogger,JoinPoint thisJoinPoint) {
> ....
> }
>
>
> The problem is that the joint point target's is an instance of MyBean
> (owner of mylogger attribute).
> How could i access the field directly without knowing its name (it can be
> any class and i don't know
> how the field will be named)?
>
>
> Thanks in advance,
> bengalister
>
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