Can we enable or disable Aspect based on value of any flag or through configuration file?

Question

I have added following dependency in pom.xml

            org.springframework
                     


        

Answer 1

There is always the if() pointcut expression that allows you to define a condition to be checked by the advice: https://www.eclipse.org/aspectj/doc/next/adk15notebook/ataspectj-pcadvice.html#d0e3697

And... your aspect already is a Spring @Component. Why not just inject properties via @Value and decide on them whether your advice should execute? You can do that via the if() pointcut described above or by just checking the value in the advice and either executing or skipping because of it.

@Component
@Aspect
public class AuthenticationServiceAspect {

    @Value("${aspect.active}")
    private boolean active = true;

    @Pointcut("execution(* com.service.impl.AuthenticationServiceImpl.*(..)) && if()")
    public static boolean conditionalPointcut() {
        return active;
    }

    @Before("conditionalPointcut()")
    public void adviceMethod(JoinPoint joinPoint) {
        if(true){
            throw new Exception();
        }
    }
}