SAX解析XML文件

抛砖引玉，是高手，看代码就行，一看就懂，为了节约时间，注释和解说就不写了，累赘

package com.van.SAXparse;

public class Person
{
    private int id;

    private String name;

    private Short age;

    private int height;

    private String profession;

    public int getId()
    {
        return id;
    }

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

    public String getName()
    {
        return name;
    }

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

    public Short getAge()
    {
        return age;
    }

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

    public int getHeight()
    {
        return height;
    }

    public void setHeight(int height)
    {
        this.height = height;
    }

    public String getProfession()
    {
        return profession;
    }

    public void setProfession(String profession)
    {
        this.profession = profession;
    }
}

 

package com.van.SAXparse;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;

import android.content.Context;

public class XMLContentHandler extends DefaultHandler
{
    private static List<Person> persons = null;

    private Person currentPerson;

    static Context context;

    private String tagName = null;// 当前解析的元素标签

    public List<Person> getPersons()
    {
        return persons;
    }

    /**
     * 接收文档的开始通知
     * 
     * @throws SAXException
     */
    @Override
    public void startDocument() throws SAXException
    {
        persons = new ArrayList<Person>();
    }

    @Override
    public void endDocument() throws SAXException
    {
        super.endDocument();
    }

    /**
     * 接收元素开始的通知
     * 
     * @param uri 元素的命名空间
     * @param localName 元素的本地名称(不带前缀)
     * @param qName 元素的限定名(带前缀)
     * @param attributes 元素的属性集合
     * @throws SAXException
     */
    @Override
    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
    {
        if (localName.equals("person"))
        {
            currentPerson = new Person();
            currentPerson.setId(Integer.parseInt(attributes.getValue("id")));
        }
        this.tagName = localName;
    }

    /**
     * 接收文档的结尾的通知
     * 
     * @param uri 元素的命名空间
     * @param localName 元素的本地名称(不带前缀)
     * @param qName 元素的限定名(带前缀)
     * @throws SAXException
     */
    @Override
    public void endElement(String uri, String localName, String qName) throws SAXException
    {
        if (localName.equals("person"))
        {
            persons.add(currentPerson);
            currentPerson = null;
        }
        this.tagName = null;
    }

    /**
     * 接收字符数据的通知
     * 
     * @param ch
     * @param start
     * @param length
     * @throws SAXException
     */
    @Override
    public void characters(char[] ch, int start, int length) throws SAXException
    {
        if (tagName != null)
        {
            String data = new String(ch, start, length);
            if (tagName.equals("name"))
            {
                this.currentPerson.setName(data);
            }
            else if (tagName.equals("age"))
            {
                this.currentPerson.setAge(Short.parseShort(data));
            }
            else if (tagName.equals("height"))
            {
                this.currentPerson.setHeight(Integer.parseInt(data));
            }
            else if (tagName.equals("profession"))
            {
                this.currentPerson.setProfession(data);
            }
        }
    }

    public static List<Person> readXML(String xmlPath)
    {
        try
        {
            SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
            // 创建解析器
            SAXParser saxParser = saxParserFactory.newSAXParser();
            // 获取事件源
            XMLReader xmlReader = saxParser.getXMLReader();
            // 设置处理器
            XMLContentHandler xmlContentHandler = new XMLContentHandler();
            xmlReader.setContentHandler(xmlContentHandler);
            // 解析xml文档
            xmlReader.parse(new InputSource(new URL(xmlPath).openStream()));
            // xmlReader.parse(new
            // InputSource(context.getAssets().open(xmlPath)));
            persons = xmlContentHandler.getPersons();
        }
        catch (ParserConfigurationException e)
        {
            e.printStackTrace();
        }
        catch (SAXException e)
        {
            e.printStackTrace();
        }
        catch (MalformedURLException e)
        {
            e.printStackTrace();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return persons;
    }

}

 

package com.van.SAXparse;

import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class SAXparseActivity extends Activity
{
    private Button button;

    private Person person;

    private TextView textView;

    private List<Person> persons;

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        button = (Button) findViewById(R.id.button);
        textView = (TextView) findViewById(R.id.showPerson);
        button.setOnClickListener(new OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                persons = XMLContentHandler.readXML("D:/person.xml");
                for (int i = 0; i < persons.size(); i++)
                {
                    person = persons.get(i);
                    person.getAge();
                    person.getName();
                    person.getHeight();
                    person.getProfession();
                    person.getId();
                    String string = "";
                    textView.setText("ID:" + person.getId());
                }
            }
        });
    }
}