使用 XML Pull 解析 XML，使用xmlpull解析

使用 XML Pull 解析 XML，使用xmlpull解析

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1.XmlPullParserActivity.java

package com.javacodegeeks.android.xml.pull;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

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

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

import com.javacodegeeks.android.xml.pull.model.Image;
import com.javacodegeeks.android.xml.pull.model.Movie;

public class XmlPullParserActivity extends Activity {
    
    private static final String xmlUrl = 
        "http://dl.dropbox.com/u/7215751/JavaCodeGeeks/AndroidFullAppTutorialPart03/Transformers+2007.xml";
    
    private final String TAG = getClass().getSimpleName();
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);                

        try {
            List<Movie> movies = parseFromUrl();
            for (Movie movie : movies) {
                Log.d(TAG, "Movie:"+movie);
            }
        } 
        catch (Exception e) {
            Log.e(TAG, "Error while parsing", e);
        }
        
    }
    
    private List<Movie> parseFromUrl() throws XmlPullParserException, IOException {
        
        List<Movie> moviesList = null;
        
        XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
        factory.setNamespaceAware(false);
        XmlPullParser parser = factory.newPullParser();
        
        URL url = new URL(xmlUrl);
        URLConnection ucon = url.openConnection();
        InputStream is = ucon.getInputStream();
        
        parser.setInput(is, null);
        
        parser.nextTag();        
        parser.nextTag();        
        parser.nextTag();        
        parser.nextTag();        
        parser.nextText();        
        parser.nextTag();
                
        moviesList = parseMovies(parser);
        
        return moviesList;
        
    }
    
    private List<Movie> parseMovies(XmlPullParser parser) throws XmlPullParserException, IOException {
        
        List<Movie> moviesList = new LinkedList<Movie>();
        
        Log.d(TAG, "parseMovies tag " + parser.getName());

        while (parser.nextTag() == XmlPullParser.START_TAG) {
            Log.d(TAG, "parsing movie");
            Movie movie = parseMovie(parser);
            moviesList.add(movie);
        }
        
        return moviesList;
        
    }
    
    private Movie parseMovie(XmlPullParser parser) throws XmlPullParserException, IOException {
        
        Movie movie = new Movie();
        Log.d(TAG, "parseMovie tag " + parser.getName());
        
        while (parser.nextTag() == XmlPullParser.START_TAG) {
            
            if (parser.getName().equals("name")) {
                movie.name = parser.nextText();
            } 
            else if (parser.getName().equals("score")) {
                movie.score = parser.nextText();
            }
            else if (parser.getName().equals("images")) {
                Image image = parseImage(parser);
                movie.imagesList = new ArrayList<Image>();
                movie.imagesList.add(image);
            }
            else if (parser.getName().equals("version")) {
                movie.version = parser.nextText();
            }
            else {
                parser.nextText();
            }
            
        }
        
        return movie;
        
    }
    
    private Image parseImage(XmlPullParser parser) throws XmlPullParserException, IOException {
        
        Image image = new Image();
        Log.d(TAG, "parseImage tag " + parser.getName());
        
        while (parser.nextTag() == XmlPullParser.START_TAG) {
            
            if (parser.getName().equals("image")) {
                image.type = parser.getAttributeValue(null, "type");
                image.url = parser.getAttributeValue(null, "url");
                image.size = parser.getAttributeValue(null, "size");
                image.width = Integer.parseInt(parser.getAttributeValue(null, "width"));
                image.height = Integer.parseInt(parser.getAttributeValue(null, "height"));
            }
            parser.next();
            
        }
        
        return image;
        
    }
    
}

2.Movie.java

package com.javacodegeeks.android.xml.pull.model;

import java.util.ArrayList;

public class Movie {
    
    public String score;
    public String popularity;
    public boolean translated;
    public boolean adult;
    public String language;
    public String originalName;
    public String name;
    public String type;
    public String id;
    public String imdbId;
    public String url;
    public String votes;
    public String rating;
    public String certification;
    public String overview;
    public String released;
    public String version;
    public String lastModifiedAt;
    public ArrayList<Image> imagesList;

}