1 import java.util.HashMap;
2 import java.util.LinkedList;
3 import java.util.List;
4 import java.util.Map;
5
6 import org.dom4j.Document;
7 import org.dom4j.DocumentHelper;
8 import org.dom4j.Element;
9
10 import net.sf.json.JSONObject;
11
12 public class Xml2JsonUtil {
13
14
15 /**
16 * 转换一个xml格式的字符串到json格式
17 *
18 * @param xml
19 * xml格式的字符串
20 * @return 成功返回json 格式的字符串;失败反回null
21 */
22 @SuppressWarnings("unchecked")
23 public static String xml2JSON(String xml) {
24 JSONObject obj = new JSONObject();
25 try {
26 Document doc = DocumentHelper.parseText(xml);
27 Element root = doc.getRootElement();
28 obj.put(root.getName(), iterateElement(root));
29 return obj.toString();
30 } catch (Exception e) {
31 e.printStackTrace();
32 return null;
33 }
34 }
35
36 /**
37 * 一个迭代方法
38 *
39 * @param element
40 * @return java.util.Map 实例
41 */
42 @SuppressWarnings("unchecked")
43 private static Map iterateElement(Element element) {
44 List jiedian = element.elements();
45 Element et = null;
46 Map obj = new HashMap();
47 Object temp;
48 List list = null;
49 for (int i = 0; i < jiedian.size(); i++) {
50 list = new LinkedList();
51 et = (Element) jiedian.get(i);
52 if (et.getTextTrim().equals("")) {
53 if (et.elements().size() == 0)
54 continue;
55 if (obj.containsKey(et.getName())) {
56 temp = obj.get(et.getName());
57 if(temp instanceof List){
58 list = (List)temp;
59 list.add(iterateElement(et));
60 }else if(temp instanceof Map){
61 list.add((HashMap)temp);
62 list.add(iterateElement(et));
63 }else{
64 list.add((String)temp);
65 list.add(iterateElement(et));
66 }
67 obj.put(et.getName(), list);
68 }else{
69 obj.put(et.getName(), iterateElement(et));
70 }
71 } else {
72 if (obj.containsKey(et.getName())) {
73 temp = obj.get(et.getName());
74 if(temp instanceof List){
75 list = (List)temp;
76 list.add(et.getTextTrim());
77 }else if(temp instanceof Map){
78 list.add((HashMap)temp);
79 list.add(iterateElement(et));
80 }else{
81 list.add((String)temp);
82 list.add(et.getTextTrim());
83 }
84 obj.put(et.getName(), list);
85 }else{
86 obj.put(et.getName(), et.getTextTrim());
87 }
88
89 }
90
91 }
92 return obj;
93 }
94
95 // 测试
96 public static void main(String[] args) {
97 String xmlStr = "<getOmElement>" +
98 "<HEADER>" +
99 "<SOURCEID>MDM</SOURCEID>" +
100 "<SOURCEID>MDM</SOURCEID>" +
101 "<myChild/>"+
102 "<DESTINATIONID>DAXT</DESTINATIONID>" +
103 "<SIZE>1</SIZE>" +
104 "<TYPE>ADD</TYPE>" +
105 "<BO>ORG</BO>" +
106 "<CHECK>"+
107 "checkCode"
108 +"</CHECK>"+
109 "</HEADER>" +
110 "<REQUEST>" +
111 "<DATAROW>" +
112 "<ORGUUID>460c5239-13f662e8f67-2f1936027f000a1d675dd1399911234</ORGUUID>" +
113 "</DATAROW>" +
114 "<DATAROW>" +
115 "<ORGUUID>460c5239-13f662e8f67-2f1936027f000a1d675dd139991369c4</ORGUUID>" +
116 "</DATAROW>" +
117 "</REQUEST>" +
118 "</getOmElement>";
119
120 System.out.println(Xml2JsonUtil.xml2JSON(xmlStr));
121 }
122 }
