使用反射通过名称从类中找到Getter

//package com.nowjava;

/** 
来 自 
时 代 J a v a - nowjava.com
**/

import java.lang.reflect.Method;


import java.util.ArrayList;


import java.util.List;


public class Main {

    public static void main(String[] argv) throws Exception {

        Class clazz = String.class;

        String fieldName = "nowjava.com";

        System.out.println(findGetter(clazz, fieldName));

    }

    /**
     * 时 代 J a v a - N o w J a v a . c o m 提 供 
    **/

    public static Method findGetter(Class<?> clazz, String fieldName) {

        for (Method method : findMethod(clazz, calcGetterName(fieldName))) {

            if (method.getParameterTypes().length == 0

                    && method.getReturnType() != null)

                return method;

        }


        for (Method method : findMethod(clazz,

                calcGetterNameBool(fieldName))) {

            if (method.getParameterTypes().length == 0

                    && method.getReturnType() == Boolean.class)

                return method;

        }


        return null;

    }


    public static List<Method> findMethod(Class<?> clazz, String name) {

        List<Method> ret = new ArrayList<Method>();

        for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {

            Method[] methods = (c.isInterface() ? c.getMethods() : c

                    .getDeclaredMethods());

            for (Method method : methods) {

                if (name.equals(method.getName()))

                    ret.add(method);

            }

        }

        return ret;

    }


    public static String calcGetterName(String fieldName) {

        return "get" +