Aspect for monitoring all @controller spring controllers

MonitoredSpringBeanAspect.java

import com.jamonapi.Monitor;
import com.jamonapi.MonitorFactory;
import org.apache.commons.lang.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import java.util.regex.Pattern;

/**
 * @author huljas
 */
@Component
@Aspect
public class MonitoredSpringBeanAspect {
    @Around(value = "@within(org.springframework.stereotype.Controller)")
    public Object monitorClass(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        return doMonitor(proceedingJoinPoint, "Controller");
    }

    protected Object doMonitor(ProceedingJoinPoint proceedingJoinPoint, String label) throws Throwable {
        MethodSignature signature = (MethodSignature) proceedingJoinPoint.getSignature();
        // In case of proxies we split the ugly $$ part away
        String className = proceedingJoinPoint.getTarget().getClass().getSimpleName().split(Pattern.quote("$$"))[0];
        String methodName = signature.getMethod().getName();
        Monitor monitor = MonitorFactory.startPrimary(label + ": " + className + "." + methodName);
        try {
            return proceedingJoinPoint.proceed();
        } finally {
            monitor.stop();
        }
    }
}