package com.parse.doc;
 
public class Student {
    
    public String name;
    public String age;
    public String sex;
    public Student() {}
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getAge() {
        return age;
    }
    public void setAge(String age) {
        this.age = age;
    }
    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        this.sex = sex;
    }
    @Override
    public String toString() {
        return "name=" + name + ", age=" + age + ", sex=" + sex;
    }
}

package com.parse.doc;
 
import java.io.ByteArrayInputStream;
import java.util.ArrayList;
import java.util.List;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
 
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
 
 
public class ParseXml {
    
    public static String xml = "<Students><student><name><![CDATA[陈喻]]></name><age><![CDATA[26]]></age><sex><![CDATA[男]]></sex></student><student><name><![CDATA[陈彩凤]]></name><age><![CDATA[25]]></age><sex><![CDATA[女]]></sex></student><student><name><![CDATA[陈紫宣]]></name><age><![CDATA[2]]></age><sex><![CDATA[女]]></sex></student><student><name><![CDATA[陈紫曦]]></name><age><![CDATA[7个月]]></age><sex><![CDATA[女]]></sex></student></Students>";
    public static final String STUDENT = "student";
    public static final String NAME = "name";
    public static final String AGE = "age";
    public static final String SEX = "sex";
    
    public static void main(String args[]) {
        List<Student> students = parseXmlByDoc(xml);
        if (students != null && students.size() > 0) {
            for (Student student : students) {
                System.out.println(student);
            }
        } else {
            System.out.println("students size is 0");
        }
        
    }
    
    public static List<Student> parseXmlByDoc(String str) {
        if (str == null || "".equals(str)) {
            System.out.println("str is null or ''");
            return null;
        }
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        List<Student> students = new ArrayList<Student>();
        DocumentBuilder documentBuilder;
        try {
            documentBuilder = documentBuilderFactory.newDocumentBuilder();
            Document document = documentBuilder.parse(new ByteArrayInputStream(str.getBytes()));
            Element rootElement = document.getDocumentElement();
            NodeList studentNodeList = rootElement.getElementsByTagName(STUDENT);
            for (int i = 0; i < studentNodeList.getLength(); i++) {
                Element appElement = (Element) studentNodeList.item(i);
                NodeList studentInfo = appElement.getChildNodes();
                Student student = new Student();
                for(int j = 0; j < studentInfo.getLength(); j++) { 
                    Element element = (Element) studentInfo.item(j);
                    String appAttr = element.getTagName();
                    switch (appAttr) {
                        case NAME:
                            student.setName(element.getTextContent());
                            break;
                        case AGE:
                            student.setAge(element.getTextContent());
                            break;
                        case SEX:
                            student.setSex(element.getTextContent());
                            break;
                        default:
                            break;
                    } 
                }
                students.add(student);
            }
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
        return students;
    }
}