通过反射按参数类型查找适当的构造方法

//package com.nowjava;

import java.lang.reflect.Constructor;
/*N o w J a v a . c o m - 时代Java*/

import java.util.List;


public class Main {



    public static Constructor<?> findProperConstructor(Class<?> clazz,

            List<Class<?>> types) {

        Constructor<?>[] constructors = clazz.getConstructors();


        for (Constructor<?> constructor : constructors) {

            if (isProperConstructor(constructor, types)) {

                return constructor;

            }

        }
/* from 时 代 J a v a - nowjava.com*/

        return null;

    }


    protected static boolean isProperConstructor(

            Constructor<?> constructor, List<Class<?>> types) {

        Class<?>[] constructorParams = constructor.getParameterTypes();


        if (constructorParams.length != types.size()) {

            return false;

        }


        for (int i =