interface Hosee{
  String sayhi();
}

class Hoseeimpl implements Hosee{

  @Override
  public String sayhi()
  {
    return "Welcome oschina hosee's blog";
  }

}

class HoseeProxy implements Hosee{

  Hosee h;

  public HoseeProxy(Hosee h)
  {
    this.h = h;
  }

  @Override
  public String sayhi()
  {
    System.out.println("I'm proxy!");
    return h.sayhi();
  }

}


public class StaticProxy
{

  public static void main(String[] args)
  {
    Hoseeimpl h = new Hoseeimpl();
    HoseeProxy hp = new HoseeProxy(h);
    System.out.println(hp.sayhi());
  }

}

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

interface HoseeDynamic
{
  String sayhi();
}

class HoseeDynamicimpl implements HoseeDynamic
{
  @Override
  public String sayhi()
  {
    return "Welcome oschina hosee's blog";
  }
}

class MyProxy implements InvocationHandler
{
  Object obj;
  public Object bind(Object obj)
  {
    this.obj = obj;
    return Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj
        .getClass().getInterfaces(), this);
  }
  @Override
  public Object invoke(Object proxy, Method method, Object[] args)
      throws Throwable
  {
    System.out.println("I'm proxy!");
    Object res = method.invoke(obj, args);
    return res;
  }
}

public class DynamicProxy
{
  public static void main(String[] args)
  {
    MyProxy myproxy = new MyProxy();
    HoseeDynamicimpl dynamicimpl = new HoseeDynamicimpl();
    HoseeDynamic proxy = (HoseeDynamic)myproxy.bind(dynamicimpl);
    System.out.println(proxy.sayhi());
  }
}

Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj
        .getClass().getInterfaces(), this);

Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj
        .getClass().getInterfaces(), this);

byte[] proxyClassFile = ProxyGenerator.generateProxyClass(
        proxyName, interfaces);

System.getProperties().put("sun.misc.ProxyGenerator.saveGeneratedFiles","true");

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.lang.reflect.UndeclaredThrowableException;

public final class $Proxy0 extends Proxy
 implements HoseeDynamic
{
 private static Method m1;
 private static Method m3;
 private static Method m0;
 private static Method m2;

 public $Proxy0(InvocationHandler paramInvocationHandler)
  throws 
 {
  super(paramInvocationHandler);
 }

 public final boolean equals(Object paramObject)
  throws 
 {
  try
  {
   return ((Boolean)this.h.invoke(this, m1, new Object[] { paramObject })).booleanValue();
  }
  catch (Error|RuntimeException localError)
  {
   throw localError;
  }
  catch (Throwable localThrowable)
  {
   throw new UndeclaredThrowableException(localThrowable);
  }
 }

 public final String sayhi()
  throws 
 {
  try
  {
   return (String)this.h.invoke(this, m3, null);
  }
  catch (Error|RuntimeException localError)
  {
   throw localError;
  }
  catch (Throwable localThrowable)
  {
   throw new UndeclaredThrowableException(localThrowable);
  }
 }

 public final int hashCode()
  throws 
 {
  try
  {
   return ((Integer)this.h.invoke(this, m0, null)).intValue();
  }
  catch (Error|RuntimeException localError)
  {
   throw localError;
  }
  catch (Throwable localThrowable)
  {
   throw new UndeclaredThrowableException(localThrowable);
  }
 }

 public final String toString()
  throws 
 {
  try
  {
   return (String)this.h.invoke(this, m2, null);
  }
  catch (Error|RuntimeException localError)
  {
   throw localError;
  }
  catch (Throwable localThrowable)
  {
   throw new UndeclaredThrowableException(localThrowable);
  }
 }

 static
 {
  try
  {
   m1 = Class.forName("java.lang.Object").getMethod("equals", new Class[] { Class.forName("java.lang.Object") });
   m3 = Class.forName("HoseeDynamic").getMethod("sayhi", new Class[0]);
   m0 = Class.forName("java.lang.Object").getMethod("hashCode", new Class[0]);
   m2 = Class.forName("java.lang.Object").getMethod("toString", new Class[0]);
   return;
  }
  catch (NoSuchMethodException localNoSuchMethodException)
  {
   throw new NoSuchMethodError(localNoSuchMethodException.getMessage());
  }
  catch (ClassNotFoundException localClassNotFoundException)
  {
   throw new NoClassDefFoundError(localClassNotFoundException.getMessage());
  }
 }
}

import java.lang.reflect.Method;

import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

class CGlibHosee
{
  public String sayhi()
  {
    return "Welcome oschina hosee's blog";
  }
}

class CGlibHoseeProxy
{
  Object obj;

  public Object bind(final Object target)
  {
    this.obj = target;
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(obj.getClass());
    enhancer.setCallback(new MethodInterceptor()
    {
      @Override
      public Object intercept(Object obj, Method method, Object[] args,
          MethodProxy proxy) throws Throwable
      {
        System.out.println("I'm proxy!");
        Object res = method.invoke(target, args);
        return res;
      }
    });
    return enhancer.create();
  }

}

public class CGlibProxy
{
  public static void main(String[] args)
  {
    CGlibHosee cGlibHosee = new CGlibHosee();
    CGlibHoseeProxy cGlibHoseeProxy = new CGlibHoseeProxy();
    CGlibHosee proxy = (CGlibHosee) cGlibHoseeProxy.bind(cGlibHosee);
    System.out.println(proxy.sayhi());
  }
}