StreamUtility.java

package com.koushikdutta.rommanager;

import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

import android.util.Log;

public class StreamUtility {
	private static final String LOGTAG = "ROMManager";
	public static int copyStream(InputStream input, OutputStream output) throws IOException
	{
		byte[] stuff = new byte[1024];
		int read = 0;
		int total = 0;
		while ((read = input.read(stuff)) != -1)
		{
			output.write(stuff, 0, read);
			total += read;
		}
		return total;
	}
	
	public static String readToEnd(InputStream input) throws IOException
	{
		DataInputStream dis = new DataInputStream(input);
		byte[] stuff = new byte[1024];
		ByteArrayOutputStream buff = new ByteArrayOutputStream();
		int read = 0;
		int total = 0;
		while ((read = dis.read(stuff)) != -1)
		{
			buff.write(stuff, 0, read);
			total += read;
		}
		
		return new String(buff.toByteArray());
	}
	
	public static String downloadUrl(String url) throws IOException {
		URL downloadUrl = new URL(url);
		Log.i(LOGTAG, "Downloading: " + downloadUrl);
		DataInputStream input = new DataInputStream(downloadUrl.openStream());
		String content = StreamUtility.readToEnd(input);
		input.close();
		return content;
	}
}