package headfirst.proxy;

import java.lang.reflect.InvocationHandler;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

public class OwnerInvocationHandler implements InvocationHandler {

PersonBean person;

public OwnerInvocationHandler(PersonBean person) {

this.person = person;

}

@Override

public Object invoke(Object proxy, Method method, Object[] args) throws IllegalAccessException {

try {

if (method.getName().startsWith("get")) {

return method.invoke(person, args);

} else if (method.getName().equals("setHotOrNotRating")) {

throw new IllegalAccessException();// 不允许直接设置对自己的评价

} else if (method.getName().startsWith("set")) {

return method.invoke(person, args);

}

} catch (IllegalArgumentException e) {

e.printStackTrace();

} catch (InvocationTargetException e) {

e.printStackTrace();

}

return null;

}

}