Object[] args = pjp.getArgs();
    MethodSignature methodSignature = (MethodSignature) pjp.getStaticPart()
            .getSignature();
    Method method = methodSignature.getMethod();
    Annotation[][] parameterAnnotations = method.getParameterAnnotations();
    StringBuilder methodArgs = new StringBuilder();
    for (int argIndex = 0; argIndex < args.length; argIndex++) {
        for (Annotation annotation : parameterAnnotations[argIndex]) {
            if ((annotation instanceof RequestParam) || (annotation instanceof PathVariable) || (annotation instanceof RequestHeader)) {
                methodArgs.append(args[argIndex] + "|");
            } else if ((annotation instanceof RequestBody)) {
                methodArgs.append(mapper.writeValueAsString(args[argIndex]) + "|");
            }
        }
    }