利用SAX、DOM和Pull實現對schools.xml的解析並進行單元測試

利用SAX、DOM和Pull實現對schools.xml的解析，並進行單元測試

利用Pull實現schools.xml的創建

源碼下載地址：

免費下載地址在 http://linux.linuxidc.com/

用戶名與密碼都是www.linuxidc.com

具體下載目錄在 /pub/Android源碼集錦/2011年/12月/利用SAX、DOM和Pull實現對schools.xml的解析並進行單元測試/

首先給出schools.xml文件的代碼：

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <?xml-stylesheet type="text/css" href="school.css"?>  
3. <!DOCTYPE schools SYSTEM "schools.dtd">  
4. <schools>  
5.   
6. <school level="middle-school">  
7.     <teacher>  
8.         <teacherName>Tom</teacherName>  
9.         <teacherAge>34</teacherAge>  
10.     </teacher>  
11.     <student>  
12.         <studentName>Jack</studentName>  
13.         <studentAge>28</studentAge>  
14.     </student>  
15.     <student>  
16.         <studentName>Mary</studentName>  
17.         <studentAge>22</studentAge>  
18.     </student>  
19.     <student>  
20.         <studentName>John</studentName>  
21.         <studentAge>23</studentAge>  
22.     </student>  
23. </school>  
24.   
25. <school level="primary-school">  
26.     <teacher>  
27.         <teacherName>Tom</teacherName>  
28.         <teacherAge>34</teacherAge>  
29.     </teacher>  
30.     <student>  
31.         <studentName>Jack</studentName>  
32.         <studentAge>21</studentAge>  
33.     </student>  
34.     <student>  
35.         <studentName>Mary</studentName>  
36.         <studentAge>25</studentAge>  
37.     </student>  
38.     <student>  
39.         <studentName>Jhon</studentName>  
40.         <studentAge>26</studentAge>  
41.     </student>  
42.   
43. </school>  
44.   
45. </schools>  

SchooleHandler.java

1. package cn.csdn.service;  
2.   
3. import java.util.ArrayList;  
4. import java.util.List;  
5.   
6. import org.xml.sax.Attributes;  
7. import org.xml.sax.SAXException;  
8. import org.xml.sax.helpers.DefaultHandler;  
9.   
10. import android.util.Log;  
11. import cn.csdn.domain.School;  
12. import cn.csdn.domain.Student;  
13. import cn.csdn.domain.Teacher;  
14.   
15. public class SchoolHandler extends DefaultHandler {  
16.     List<School> schoolList=null;  
17.     List<Teacher> teacherList=null;  
18.     List<Student> studentList=null;  
19.     School school=null;  
20.     Teacher teacher=null;  
21.     Student student=null;  
22.     String elementTag = null;  
23.       
24.     public void characters(char[] ch, int start, int length)  
25.             throws SAXException {  
26.         String data = new String(ch, start, length);  
27.         if (elementTag != null&&teacher!=null) {  
28.             if("teacherName".equals(elementTag)){  
29.                 teacher.setName(data);  
30.                 //Log.i("TAG",teacher.toString());   
31.             }else if("teacherAge".equals(elementTag)){  
32.                 teacher.setAge(Integer.valueOf(data));  
33.                 //Log.i("TAG",teacher.toString());   
34.             }  
35.         }  
36.         if(elementTag!=null&&student!=null){  
37.             if("studentName".equals(elementTag)){  
38.                 student.setName(data);  
39.             }else if("studentAge".equals(elementTag)){  
40.                 //Log.i("TAG",data);   
41.                 student.setAge(Integer.parseInt(data));  
42.             }  
43.         }  
44.     }  
45.   
46.     public void endDocument() throws SAXException {  
47.     }  
48.   
49.     public void endElement(String uri, String localName, String qName)  
50.             throws SAXException {  
51.         if("teacher".equals(localName)){  
52.             //Log.i("TAG",teacher.toString());   
53.             teacherList.add(teacher);  
54.             school.setTeacher(teacher);  
55.             teacher=null;  
56.         }else if("student".equals(localName)){  
57.             studentList.add(student);  
58.             //school.setStudent(studentList);   
59.             student=null;  
60.         }else if("school".equals(localName)){  
61.             school.setStudent(studentList);  
62.             schoolList.add(school);  
63.             studentList=null;  
64.             school=null;  
65.         }  
66.         elementTag = null;  
67.     }  
68.   
69.     public void startDocument() throws SAXException {  
70.         schoolList=new ArrayList<School>();  
71.         teacherList=new ArrayList<Teacher>();  
72.         studentList=new ArrayList<Student>();  
73.     }  
74.   
75.     public void startElement(String uri, String localName, String qName,  
76.             Attributes attributes) throws SAXException {  
77.         if("school".equals(localName)){  
78.             school=new School();  
79.             school.setLevel(attributes.getValue(0));  
80.             studentList=new ArrayList<Student>();  
81.             //Log.i("TAG",attributes.getValue(0));   
82.         }else if("teacher".equals(localName)){  
83.             teacher=new Teacher();  
84.             //Log.i("TAG",teacher.toString());   
85.             if(teacher!=null){  
86.             //  Log.i("TAG",teacher.toString());   
87.             }  
88.         }else if("student".equals(localName)){  
89.             student=new Student();  
90.         }  
91.         elementTag = localName;  
92.     }  
93.   
94.     public List<School> getSchooList(){  
95.         return schoolList;  
96.     }  
97. }