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Re: [aspectj-users] Pointcut and Advice Question
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Hi,
Something like this ought to work:
after(String s, X l) throwing (ClassNotFoundException e) : source(s,
l) && !cflowbelow(call(Class loadClass(String))) {
cheers
Andy
On 26 February 2011 19:50, Charley Watson <kwan@xxxxxxxxxx> wrote:
> I am working on an aspect oriented solution to providing forensics on class
> loading within Tomcat. The advice, aspect, and aop.xml are packaged in a jar
> which is loaded using -Xbootclasspath\a: (appends to the BCL path). I'm
> having problems with the pointcut and advice expressions matching the need
> within classloader behavior.
>
> method is described here
>
> What I need is a call pointcut that returns Class from ClassLoader+
>
> pointcut source(String s, ClassLoader l) :
> target(ClassLoader+) &&
> target(l) &&
> args(s) &&
> call(Class loadClass(String));
>
> The advice I'm having problem with is when an ClassNotFoundException (cnfe)
> is thrown, I'm only interested in the cases where delegation wasn't
> involved. That is if a child delegates to the parent, a cnfe signals to the
> child to load if able. If the leaf descendant throws cnfe, it means
> "really, class not found". So is this type of expression normally best
> placed in the poincut, or the advice?
>
> after(String s, ClassLoader l) throwing (ClassNotFoundException e) :
> source(s, l) {
>
> // do something here...
> }
>
> isn't selective enough, as I'm getting many cnfe's related to delegates
> responding to children to signal load should be attempted. I played with
> cflow expressions but couldn't seem to come up with the proper invocation
> for the compiler.
>
> Any help greatly appreciated.
>
> CW
>
>
>
>
>
>
>
>
>
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