xml file parsing of Http communication in Android

 

 

package com.pt.http01;

import android.os.Handler;
import android.widget.TextView;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;

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

/**
 * Created by 韬 on 2016-05-14.
 */
public class XmlThread extends  Thread{

    private String url;
    private Handler handler;
    private TextView tv_result;

    public XmlThread(String url, Handler handler, TextView tv_result) {
        this.url = url;
        this.handler = handler;
        this.tv_result = tv_result;
    }

    @Override
    public void run() {
        try {
            //connect and get the input stream of the XML file
            URL connurl = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) connurl.openConnection();
            conn.setRequestMethod("POST");
            conn.setConnectTimeout(5000);
            InputStream in = conn.getInputStream();
            // get Pull parser
            XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
            XmlPullParser parser = factory.newPullParser();
            parser.setInput(in,"UTF-8");
            //Create a collection to store XML
            final List<People> peoples  = new ArrayList<>();
            //get the type of the label
            int eventType = parser.getEventType();
            People people = null;
            while(eventType != XmlPullParser.END_DOCUMENT){
                // get the name of the tag
                String data = parser.getName();

                switch (eventType){
                    case XmlPullParser.START_TAG:
                        //people start tag creation instance
                        if("people".equals(data)){
                            people = new People();
                        }
                        //The attribute name tag sets the attribute to the instance
                        if("name".equals(data)){
                            people.setName(parser.nextText());
                        }
                        if("age".equals(data)){
                            people.setAge(Integer.parseInt(parser.nextText()));
                        }
                        if("school".equals(data)){
                            people.setSchool(parser.nextText());
                        }
                        break;
                    case XmlPullParser.END_TAG:
                        / / When the end tag for the people string, add the instance into the collection
                        if("people".equals(data) && people != null){
                            peoples.add(people);
                        }
                        break;
                }
                // Manually call the time processing method
                eventType = parser.next();
            }
            handler.post(new Runnable() {
                @Override
                public void run() {
                    tv_result.setText(peoples.toString());
                }
            });
        } catch (MalformedURLException e) {
            e.printStackTrace ();
        } catch (IOException e) {
            e.printStackTrace ();
        } catch (XmlPullParserException e) {
            e.printStackTrace ();
        }
    }
}