profiling.ProfilingInterceptor.java Source code

Introduction

Here is the source code for profiling.ProfilingInterceptor.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package profiling;

import java.lang.reflect.Method;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.util.StopWatch;

/**  @author igorm  */
public class ProfilingInterceptor implements MethodInterceptor {

    @Override
    public Object invoke(MethodInvocation mi) throws Throwable {
        StopWatch sw = new StopWatch();
        sw.start(mi.getMethod().getName());
        String methodName = mi.getMethod().getName();
        if ("sayNigga".equals(methodName)) {
            System.out.println("FUCK YOU NIGGA!");
            return null;
        }
        Object returnValue = mi.proceed();
        sw.stop();
        dumpInfo(mi, sw.getTotalTimeMillis());
        return returnValue;
    }

    private void dumpInfo(MethodInvocation mi, long ms) {
        Method m = mi.getMethod();
        Object target = (Object) mi.getThis();
        Object[] args = mi.getArguments();
        System.out.println("Executed method : " + m.getName());
        System.out.println("Object class : " + target.getClass().getName());
        System.out.println("With arguments:");
        for (Object arg : args) {
            System.out.print("\t\t>" + arg);
        }
        System.out.println("");
        System.out.println("Took:" + ms);
    }
}