Spring AOP get annotation value - aop

Question

I am using spring AOP, how can I get values from annotation,
Here is my annotation:
#Retention(RetentionPolicy.RUNTIME)
#Target(ElementType.METHOD)
#Inherited
#Documented
public #interface ExecutionMethodProfiler
{
String value() default "defaultValue";;
}
here is my XML:
<aop:aspectj-autoproxy/>
<aop:config>
<aop:aspect ref="methodProfiler">
<aop:pointcut id="serviceMethod"
expression="(execution(* com.old..*(..)) or execution(* com.test..*(..))) and #annotation(com.test.profiler.ExecutionMethodProfiler)" />
<aop:around pointcut-ref="serviceMethod" method="profile"/>
</aop:aspect>
</aop:config>
And this is my serviceMethod:
public void profile(ProceedingJoinPoint jointPoint) throws Throwable {}
as of now I can get the values by using this code:
MethodSignature signature = (MethodSignature) jointPoint.getSignature();
System.out.println(signature.getMethod().getAnnotation(ExecutionMethodProfiler.class).value());
I don't like it, is there a better way?

Answer 1

First change your advice to take your annotation as an additional argument:
public void profile(
ProceedingJoinPoint jointPoint,
ExecutionMethodProfiler methodProfiler
) throws Throwable {}
Then bind the annotation to that argument in your pointcut:
<aop:around
pointcut="(execution(* com.old..*(..)) or execution(* com.test..*(..))) and #annotation(methodProfiler)"
method="profile"
arg-names="methodProfiler"
/>
I did not actually test it because I am a bit busy now, but this is basically how it works.