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>
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>
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>
43. </school>
45. </schools>

SchooleHandler.java

1. package cn.csdn.service;
3. import java.util.ArrayList;
4. import java.util.List;
6. import org.xml.sax.Attributes;
7. import org.xml.sax.SAXException;
8. import org.xml.sax.helpers.DefaultHandler;
10. import android.util.Log;
11. import cn.csdn.domain.School;
12. import cn.csdn.domain.Student;
13. import cn.csdn.domain.Teacher;
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;
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. }
46. public void endDocument() throws SAXException {
47. }
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. }
69. public void startDocument() throws SAXException {
70. schoolList=new ArrayList<School>();
71. teacherList=new ArrayList<Teacher>();
72. studentList=new ArrayList<Student>();
73. }
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. }
94. public List<School> getSchooList(){
95. return schoolList;
96. }
97. }