java将XML文档转换成json格式数据的示例

package com.xxx.open.pay.util;import com.alibaba.fastjson.JSONObject;import org.jdom2.Element;import org.jdom2.JDOMException;import org.jdom2.input.SAXBuilder;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStream;import java.util.LinkedList;import java.util.List;public class XmlUtil {  public static JSONObject xml2JSON(byte[] xml) throws JDOMException, IOException {    JSONObject json = new JSONObject();    InputStream is = new ByteArrayInputStream(xml);    SAXBuilder sb = new SAXBuilder();    org.jdom2.Document doc = sb.build(is);    Element root = doc.getRootElement();    json.put(root.getName(), iterateElement(root));    return json;  }  private static JSONObject iterateElement(Element element) {    List node = element.getChildren();    Element et = null;    JSONObject obj = new JSONObject();    List list = null;    for (int i = 0; i < node.size(); i++) {      list = new LinkedList();      et = (Element) node.get(i);      if (et.getTextTrim().equals("")) {        if (et.getChildren().size() == 0)          continue;        if (obj.containsKey(et.getName())) {          list = (List) obj.get(et.getName());        }        list.add(iterateElement(et));        obj.put(et.getName(), list);      } else {        if (obj.containsKey(et.getName())) {          list = (List) obj.get(et.getName());        }        list.add(et.getTextTrim());        obj.put(et.getName(), list);      }    }    return obj;  }  public static void main(String[] args) throws JDOMException, IOException {    String xml="<?xml version=\"1.0\" encoding=\"utf-8\" ?><MoBaoAccount MessageType=\"UserMobilePay\" PlatformID=\"b2ctest\"><OrderNo>M20150521084825</OrderNo><TradeAmt>5000.00</TradeAmt><Commission>0.5</Commission><UserID>zhuxiaolong</UserID><MerchID>zhuxiaolong1</MerchID><tradeType>0</tradeType><CustParam>123</CustParam> <NotifyUrl>http://mobaopay.com/callback.do</NotifyUrl><TradeSummary>订单</TradeSummary></MoBaoAccount>";    JSONObject json=xml2JSON(xml.getBytes());    System.out.println(json.toJSONString());  }}