Java“无关系”代理

package Proxy;
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
class Manager {
public void love(String boy,String girl)
{
System.out.println(boy+"\tlove\t"+girl);
}
}
public class ManagerProxy {
private Class clazz;
private Object target;
private Method method;
private Object[]params;

public ManagerProxy(Object target,String methodName,Object...params)
{
init(target,methodName,params);
}
public void init(Object target,String methodName,Object...params)
{
this.target=target;
this.clazz=target.getClass();
this.params=params;
int paramsLenth=params.length;
Class[]parms=new Class[paramsLenth];
for(int i=0;i<paramsLenth;i++)
{
   parms[i]=params[i].getClass();
}
try {
   this.method=clazz.getMethod(methodName,parms);
} catch (SecurityException e) {
   System.out.println(e.getMessage());
} catch (NoSuchMethodException e) {
   System.out.println(e.getMessage());
}
}

public Object doMethod()
{
try {
   return this.method.invoke(target,params);
} catch (IllegalArgumentException e) {
   e.printStackTrace();
   return null;
} catch (IllegalAccessException e) {
   e.printStackTrace();
   return null;
} catch (InvocationTargetException e) {
   e.printStackTrace();
   return null;
}
}
public static void main(String[]as)
{
Manager man=new Manager();
ManagerProxy a=new ManagerProxy(man,"love","a","ss");
System.out.println(a.doMethod());
}
}
output: a love ss
本文出自 “飞沙” 博客

补充：软件开发 , Java ,