Question

I have a Java class which is something like the following:

public class Foo{
   public void doSomething(){
     StageA a = new StageA();
     StageB b = new StageB();
     StageC c = new StageC();
     a.execute();
     b.execute();
     c.execute();
   }
}

Now, assuming I can’t really edit this class itself, could I still use spring AOP to apply logging around the execute methods? (presumably without using aspect4j)

Answer 1

Yes, you can write an @Around advice with execution pointcut targeting methods whose name is execute() as follows:

@Around("execution(* execute(..))")
public Object execute(ProceedingJoinPoint pjp) throws Throwable
{
    // Log statements before the call;

    Object obj = pjp.proceed();

    // Log statements after the call;

    return obj;
}