import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class Utils {
	public static byte[] loadRawDataFromURL(String u) throws Exception {  
        URL url = new URL(u);  
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();  
  
        InputStream is = conn.getInputStream();  
        BufferedInputStream bis = new BufferedInputStream(is);  
  
        ByteArrayOutputStream baos = new ByteArrayOutputStream();  
  
        final int BUFFER_SIZE = 2048;  
        final int EOF = -1;  
  
        int c;  
        byte[] buf = new byte[BUFFER_SIZE];  
  
        while (true) {  
            c = bis.read(buf);  
            if (c == EOF)  
                break;  
  
            baos.write(buf, 0, c);  
        }  
  
        conn.disconnect();  
        is.close();  
  
        byte[] data = baos.toByteArray();  
        baos.flush();  
  
        return data;  
    }
}