java中使用dom4j对带有命名空间的xml文件进行解析

1. import org.dom4j.Document; 
2. import org.dom4j.DocumentHelper; 
3. import org.dom4j.DocumentException; 
4. import org.dom4j.Element; 
5. import org.dom4j.XPath; 
6.  
7. import java.util.*; 
8.  
9. /** 
10. *  Java解析XML元素 
11. */ 
12. public class XML { 
13.  
14.     //要测试的xml对象,带有命名空间 
15.     static String str = "<rsiq to=\"378\" type=\"result\" from=\"12345678#hjh20120718150006@126.com/cti\">" + 
16.                 "<query xmlns=\"http://te.com/resource/cti/getonlineseat\">" + 
17.                 "<telephone>12345678</telephone>" + 
18.                 "<session-id>20130328155409100477</session-id>" + 
19.                 "<workgroup><groupname>66666</groupname><seats/></workgroup><workgroup><groupname>888</groupname><seats/></workgroup>" + 
20.                 "<workgroup><groupname>test</groupname><seats>" + 
21.                 "<seat><jid>378</jid><name>地方</name><seatnumber>378</seatnumber></seat>" + 
22.                 "</seats></workgroup></query></rsiq>"; 
23.     //要测试的xml对象,没有命名空间 
24.     static String str1 = "<rsiq to=\"378\" type=\"result\" from=\"12345678#hjh20120718150006@126.com/cti\">" + 
25.                 "<query >" + 
26.                 "<telephone>12345678</telephone>" + 
27.                 "<session-id>20130328155409100477</session-id>" + 
28.                 "<workgroup><groupname>66666</groupname><seats/></workgroup><workgroup><groupname>888</groupname><seats/></workgroup>" + 
29.                 "<workgroup><groupname>test</groupname><seats>" + 
30.                 "<seat><jid>378</jid><name>地方</name><seatnumber>378</seatnumber></seat>" + 
31.                 "</seats></workgroup></query></rsiq>";   
32.      
33.     //传统方法一步一步解析带有命名空间的XML文件 
34.     @SuppressWarnings("unchecked") 
35.     private static void test() throws DocumentException { 
36.         List<Map<String, Object>> seatlist = new ArrayList<Map<String,Object>>(); 
37.              
38.         Document document = DocumentHelper.parseText(str); 
39.         Element root = document.getRootElement(); 
40.         Element query = root.element("query"); 
41.         List<Element> workgroups = query.elements("workgroup"); 
42.         for(Element workgroup : workgroups) { 
43.             Element seatsElement = workgroup.element("seats"); 
44.             List<Element> seats = seatsElement.elements("seat"); 
45.             for(Element seat : seats) { 
46.                 Map<String, Object> seatmap = new HashMap<String, Object>(); 
47.                 String jid = seat.elementText("jid"); 
48.                 String seatname = seat.elementText("name"); 
49.                 String seatnumber = seat.elementText("seatnumber"); 
50.                 String sessioncount = seat.elementText("sessioncount"); 
51.                 seatmap.put("jid",jid); 
52.                 seatmap.put("seatname",seatname); 
53.                 seatmap.put("seatnumber",seatnumber); 
54.                 seatmap.put("sessioncount",sessioncount); 
55.                 seatlist.add(seatmap); 
56.                 System.out.println(seatmap); 
57.             } 
58.         } 
59.         System.out.println(seatlist); 
60.     } 
61.      
62.     //Xpath方法解析没有命名空间的XML文件 
63.     @SuppressWarnings("unchecked") 
64.     private static void test1() throws DocumentException { 
65.         List<Map<String, Object>> seatlist = new ArrayList<Map<String,Object>>(); 
66.  
67.         Document document = DocumentHelper.parseText(str1); 
68.         List seats = document.selectNodes("//seat"); 
69.           for (int i = 0; i < seats.size(); i++) { 
70.             Map<String, Object> seatmap = new HashMap<String, Object>(); 
71.             Element seat = (Element) seats.get(i); 
72.             String jid = seat.elementText("jid"); 
73.             String seatname = seat.elementText("name"); 
74.             String seatnumber = seat.elementText("seatnumber"); 
75.             String sessioncount = seat.elementText("sessioncount"); 
76.             seatmap.put("jid",jid); 
77.             seatmap.put("seatname",seatname); 
78.             seatmap.put("seatnumber",seatnumber); 
79.             seatmap.put("sessioncount",sessioncount); 
80.             seatlist.add(seatmap); 
81.           } 
82.         System.out.println(seatlist); 
83.     } 
84.      
85.     //带有命名空间的XML文件，Xpath的解析方法 
86.     @SuppressWarnings("unchecked") 
87.     private static void test2() throws DocumentException { 
88.         List<Map<String, Object>> seatlist = new ArrayList<Map<String,Object>>(); 
89.          
90.         Map map = new HashMap(); 
91.         map.put("getonlineseat","http://te.com/resource/cti/getonlineseat"); 
92.         Document document = DocumentHelper.parseText(str); 
93.         XPath x = document.createXPath("//getonlineseat:seat"); 
94.         x.setNamespaceURIs(map); 
95.         List nodelist = x.selectNodes(document);    
96.           for (int i = 0; i < nodelist.size(); i++) { 
97.             Map<String, Object> seatmap = new HashMap<String, Object>(); 
98.             Element seat = (Element) nodelist.get(i); 
99.             String jid = seat.elementText("jid"); 
100.             String seatname = seat.elementText("name"); 
101.             String seatnumber = seat.elementText("seatnumber"); 
102.             String sessioncount = seat.elementText("sessioncount"); 
103.             seatmap.put("jid",jid); 
104.             seatmap.put("seatname",seatname); 
105.             seatmap.put("seatnumber",seatnumber); 
106.             seatmap.put("sessioncount",sessioncount); 
107.             seatlist.add(seatmap); 
108.           } 
109.         System.out.println(seatlist); 
110.     } 
111.  
112.     //主函数 
113.     public static void main(String args[]) throws DocumentException { 
114.         System.out.println("-----------test()方法------------"); 
115.         test(); 
116.         System.out.println("-----------test1()方法------------"); 
117.         test1(); 
118.         System.out.println("-----------test2()方法------------"); 
119.         test2(); 
120.     } 
121. }