集册 Java实例教程 获取公共二传手的地图(propertyName

获取公共二传手的地图(propertyName

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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获取公共二传手的地图(propertyName-> Method)

/*

 * Copyright 2008-2009 the original author or authors.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

//package com.nowjava;/*时 代 J a v a 公 众 号 提 供*/

import java.lang.reflect.Method;

import java.util.HashMap;

import java.util.Map;


public class Main {


    /**

     * get a map of public setters (propertyName -> Method)

     * 

     * @param clazz

     * @return

     */

    public static Map<String, Method> getSetters(Class<?> clazz) {

        Map<String, Method> setters = new HashMap<String, Method>();

        Method[] methods = clazz.getMethods();

        for (Method method : methods) {

            String methodName = method.getName();

            if (method.getParameterTypes().length == 1

                    && methodName.startsWith("set")

                    && methodName.length() > 3

                    && method.getReturnType() == Void.TYPE) {

                String propertyName = methodName.substring(3, 4)

                        .toLowerCase();

   
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