package samples;

import java.lang.instrument.Instrumentation;
import java.lang.instrument.ClassFileTransformer;
import java.security.ProtectionDomain;

public class InstrumentationSample2 {
    public static void premain(String agentArgs, Instrumentation instrumentation) {

        instrumentation.addTransformer(new ClassFileTransformer() {
                public byte[] transform(ClassLoader loader,
                                        String className,
                                        Class<?> classBeingRedefined,
                                        ProtectionDomain protectionDomain,
                                        byte[] classfileBuffer) {
                    System.out.println("ClassLoader: " + loader);
                    System.out.println("ClassName: " + className);
                    System.out.println("RedifinedClass: " + classBeingRedefined);

                    return null;
                }
            });
    }
}