java将XML文档转换成json格式数据

功能

说明

程序源代码

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;

/**
* Created by 1250052380@qq.com on 2015/5/19.
*/
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());
}
}

执行结果

<?xml version="1.0" encoding="utf-8" ?

>
<MoBaoAccount MessageType="UserMobilePay" PlatformID="b2ctest">
<OrderNo>M20150521084825</OrderNo>
<TradeAmt>5000.00</TradeAmt>
<Commission>0.5</Commission>
<UserID>xiaolong</UserID>
<MerchID>xiaolong1</MerchID>
<tradeType>0</tradeType>
<CustParam>123</CustParam>
<NotifyUrl>http://mobaopay.com/callback.do</NotifyUrl>
<TradeSummary>订单</TradeSummary>
</MoBaoAccount>

{
"MoBaoAccount": {
"Commission": [
"0.5"
],
"CustParam": [
"123"
],
"MerchID": [
"zhuxiaolong1"
],
"NotifyUrl": [
"http://mobaopay.com/callback.do"
],
"OrderNo": [
"M20150521084825"
],
"TradeAmt": [
"5000.00"
],
"TradeSummary": [
"订单"
],
"UserID": [
"zhuxiaolong"
],
"tradeType": [
"0"
]
}
}