Android XmlPullParser Create makeInstanceFromUrl(Context context, URL url, String filename)

Description

make Instance From Url

Declaration

public static XmlPullParser makeInstanceFromUrl(Context context,
            URL url, String filename) throws IOException,
            XmlPullParserException 

Method Source Code

//package com.java2s;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Calendar;
import java.util.TimeZone;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import android.content.Context;

public class Main {
    public static XmlPullParser makeInstanceFromUrl(Context context, URL url)
            throws IOException, XmlPullParserException {
        return makeInstanceFromUrl(context, url,
                url.getFile().replaceAll("^.*/", ""));
    }//from  ww  w .j av  a 2 s  . c  om

    public static XmlPullParser makeInstanceFromUrl(Context context,
            URL url, String filename) throws IOException,
            XmlPullParserException {
        try {
            long modified = context.getFileStreamPath(filename)
                    .lastModified() + TimeZone.getDefault().getRawOffset();
            long now = Calendar.getInstance().getTimeInMillis()
                    + TimeZone.getDefault().getRawOffset();

            modified -= modified % 86400000L;
            now -= now % 86400000L;
            if (modified < now)
                throw new FileNotFoundException();

            FileInputStream fis = context.openFileInput(filename);
            XmlPullParser parser;
            XmlPullParserFactory factory = XmlPullParserFactory
                    .newInstance();

            parser = factory.newPullParser();
            parser.setInput(fis, null);

            return parser;
        } catch (FileNotFoundException e) {
            InputStream is = url.openStream();
            byte[] buffer = new byte[1024];
            int size;
            FileOutputStream fos = context.openFileOutput(url.getFile()
                    .replaceAll("^.*/", ""), Context.MODE_PRIVATE);
            while ((size = is.read(buffer)) >= 0) {
                fos.write(buffer, 0, size);
            }
            fos.close();
            is.close();
            return makeInstanceFromUrl(context, url);
        }
    }
}

Related

1. getXmlPullParser(String xml)
2. makeInstanceFromUrl(Context context, URL url)
3. getPullParserFromAssert(Context context, String fileName, String encoding)
4. getPullParserFromClass( ClassLoader classLoader, String fileName, String encoding)