返回给定属性的setter方法，无论该方法是可见的还是隐藏的，或者是在给定的类，超类或已实现的接口中声明的。

/*

 * Copyright (c) 2012 Data Harmonisation Panel

 * 

 * All rights reserved. This program and the accompanying materials are made

 * available under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation, either version 3 of the License,

 * or (at your option) any later version.

 * 

 * You should have received a copy of the GNU Lesser General Public License

 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.

 * 

 * Contributors:

 *     HUMBOLDT EU Integrated Project #030962

 *     Data Harmonisation Panel <http://www.dhpanel.eu>

 *///来 自 nowjava

//package com.nowjava;


import java.lang.reflect.Method;


public class Main {

    /**

     * Returns a setter method for a given property, no matter if the method is

     * visible or hidden or if it is declared in the given class or in a

     * superclass or implemented interface.

     * 

     * @param c the class which would contain the setter method

     * @param property the property

     * @param propertyType the property's type

     * @return the setter or null if there is no setter for this property

     */

    public static Method findDeepSetter(Class<?> c, String property,

            Class<?> propertyType) {

        if (c == Object.class || c == null) {

            return null;

        }


        char[] propertyNameArr = property.toCharArray();

        propertyNameArr[0] = Character.toUpperCase(propertyNameArr[0]);

        String setterName = "set" + new String(propertyNameArr); //$NON-NLS-1$


        Method result = null;

        // search visible and hidden methods in this class

        Method[] methods = c.getDeclaredMethods();

        for (Method m : methods) {

            if (m.getName().equals(setterName)// 来 自 nowjava.com

                    && m.getParameterTypes().length == 1

                    && (propertyType == null || m.getParameterTypes()[0]

                            .isAssignableFrom(propertyType))) {

                result = m;

                break;

            }

        }


        // search superclass and interfaces

        if (result == null) {

            result = findDeepSetter(c.getSuperclass(), property,

                    propertyType);