pull解析xml

package com.toolsdemo;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;


/*
 * 主要是使用pull解析xml
 * @author jack
 */
public class PullXMLTools {

    public PullXMLTools() {
        // TODO Auto-generated constructor stub
    }
    
    public static List<Person> parseXML(InputStream  inputstream,String encode) throws Exception
    {
        List<Person> list=null;
        Person person=null; //装载解析每一个person节点
        //创建一个xml解析工厂
        XmlPullParserFactory  factory=XmlPullParserFactory.newInstance();
        //获得xml解析类的引用
        XmlPullParser parser=factory.newPullParser();
        parser.setInput(inputstream,encode);
        //获得事件类型
        int eventType=parser.getEventType();
        while(eventType!=XmlPullParser.END_DOCUMENT)
        {
            switch(eventType)
            {
            case XmlPullParser.START_DOCUMENT:
            list=new ArrayList<Person>();
            break;
            case XmlPullParser.START_TAG:
                if("person".equals(parser.getName()))
                {
                    person=new Person();
                    //取出属性值
                    int id=Integer.parseInt(parser.getAttributeValue(0));
                    person.setId(id);
                }else if("name".equals(parser.getName()))
                {
                    String name=parser.nextText();//获取该节点内容
                    person.setName(name);
                }else if("age".equals(parser.getName()))
                {
                    int age=Integer.parseInt(parser.nextText());
                    person.setAge(age);
                }
                break;    
            case XmlPullParser.END_TAG:
                if("person".equals(parser.getName()))
                {
                    list.add(person);
                    person=null;
                }
                break;
            }
            eventType=parser.next();
        }
        return list;
    }

}

package com.toolsdemo;

public class Person {
    
    private int id;
    private String name;
    private int age;

    public Person(int id, String name, int age) {
        super();
        this.id = id;
        this.name = name;
        this.age = age;
    }

    public int getId() {
        return id;
    }

    @Override
    public String toString() {
        return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public Person() {
        // TODO Auto-generated constructor stub
    }

}

package com.toolsdemo;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpUtil {

    public HttpUtil() {
        // TODO Auto-generated constructor stub
    }
    
    public static InputStream getXML(String path)
    {
        InputStream inputStream=null;
        try {
            URL url=new URL(path);
            if(url!=null)
            {
                HttpURLConnection connection=(HttpURLConnection)url.openConnection();
                connection.setConnectTimeout(3000);
                connection.setDoInput(true);
                connection.setRequestMethod("GET");
                int code=connection.getResponseCode();
                if(code==200)
                {
                    inputStream=connection.getInputStream();
                }
                
            }
        } catch (Exception e) {
            // TODO: handle exception
        }
        return inputStream;
        
    }
    

}

package com.toolsdemo;

import java.io.InputStream;
import java.util.List;

public class Test {

    public Test() {
        // TODO Auto-generated constructor stub
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        String path="http://weikew.gotoip55.com/person.xml";
        InputStream inputstream=HttpUtil.getXML(path);
        try {
            List<Person> list=PullXMLTools.parseXML(inputstream, "utf-8");
            for(Person person:list)
            {
                System.out.println(person.toString());
            }
        } catch (Exception e) {
            // TODO: handle exception
        }

    }

}

<?xml version="1.0" encoding="utf-8"?>
<persons>
<person id="20">
<name>张老进</name>
<age>22</age>
</person>
<person id="33">
<name>李法在</name>
<age>44</age>
</person>
</persons>