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Ô¶³Ì·½·¨µ÷ÓÃ(RMI)
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1.´´½¨Ò»¸öʵÏÖ½Ó¿ÚInvocationHandlerµÄÀ࣬Ëü±ØÐëʵÏÖinvoke·½·¨
2.´´½¨±»´úÀíµÄÀàÒÔ¼°½Ó¿Ú
3.ͨ¹ýProxyµÄ¾²Ì¬·½·¨
newProxyInstance(ClassLoader loader, Class[] interfaces, InvocationHandler h) ´´½¨Ò»¸ö´úÀí
4.ͨ¹ý´úÀíµ÷Ó÷½·¨
 
²Î¼û³ÌÐòVectorProxy.java
 
package com.langsin.dynamicproxy;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.List;
import java.util.Vector;
public class VectorProxy implements InvocationHandler
{
private Object proxyobj;
public VectorProxy(Object obj)
{
proxyobj = obj;
}
public static Object factory(Object obj)
{
Class<?> cls = obj.getClass();
return Proxy.newProxyInstance(cls.getClassLoader(),
cls.getInterfaces(), new VectorProxy(obj));
}
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable
{
System.out.println("before calling " + method);
if (args != null)
{
for (int i = 0; i < args.length; i++)
{
System.out.println(args[i] + "");
}
}
Object object = method.invoke(proxyobj, args);
System.out.println("after calling " + method);
return object;
}
@SuppressWarnings("unchecked")
public static void main(String[] args)
{
List<String> v = (List<String>) factory(new Vector<String>(10));
v.add("New");
v.add("York");
System.out.println(v);
v.remove(0);
System.out.println(v);
}
}

²Î¼û³ÌÐòFoo.java
²Î¼û³ÌÐòFooImpl.java
²Î¼û³ÌÐòFooImpl2.java
²Î¼û³ÌÐòCommonInvocationHandler.java
²Î¼û³ÌÐòDemo.java
package com.langsin.dynamicproxy;
public interface Foo
{
void doAction();
}
package com.langsin.dynamicproxy;
public class FooImpl implements Foo
{
public FooImpl()
{
}
public void doAction()
{
System.out.println("in FooImp1.doActio