返回所有pojo的PropertyDescriptors的列表

/**

 * Helios, OpenSource Monitoring

 * Brought to you by the Helios Development Group

 *

 * Copyright 2007, Helios Development Group and individual contributors

 * as indicated by the @author tags. See the copyright.txt file in the

 * distribution for a full listing of individual contributors.

 *

 * This is free software; you can redistribute it and/or modify it

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

 * published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This software is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

 * Lesser General Public License for more details.

 *

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

 * License along with this software; if not, write to the Free

 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 

 *

 */

//package com.nowjava;

import java.beans.*;
/* from n o w  j a v a  . c o m*/

import java.util.ArrayList;


import java.util.List;


public class Main {

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

        Object pojo = "nowjava.com";

        System.out.println(getAllPropertyDescriptors(pojo));

    }


    /**

     * Returns a list of all of a pojo's <code>PropertyDescriptor</code>s

     * @param pojo

     * @return A list of <code>PropertyDescriptor</code>s.

     */

    public static List<PropertyDescriptor> getAllPropertyDescriptors(/** from 时 代 J a v a - N o w J a v a . c o m**/

            Object pojo) {

        List<PropertyDescriptor> list = new ArrayList<PropertyDescriptor>();

        BeanInfo bi = getBeanInfo(pojo);

        for (PropertyDescriptor pd : bi.getPropertyDescriptors()) {

            list.add(pd);

        }

        return list;

    }


    public static BeanInfo getBeanInfo(Object pojo) {

        try {

            return Introspector.getBeanInfo(pojo.getClass());

        } catch (Exception e) {

            throw new RuntimeException("Failed to create bean info", e);

        }

    }