Update Favicon : Http Connection « Network « Android

Update Favicon


//package com.dreamcode.anfeedreader.utils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

import android.content.Context;

class Main {
  public byte[] updateFavicon(Context ctx, String iconUrl)
      throws MalformedURLException {
    try {
      return loadBytesFromURL(ctx, new URL(iconUrl));
    } catch (IOException e) {
      // TODO Auto-generated catch block
    return null;

  public byte[] loadBytesFromURL(Context ctxU, URL url) throws IOException {
    byte[] b = null;
    URLConnection con = url.openConnection();
    int size = con.getContentLength();
    InputStream in = null;

    try {
      if ((in = con.getInputStream()) != null)
        b = (size != -1) ? loadBytesFromStreamForSize(in, size)
            : loadBytesFromStream(in);
    } finally {
      if (in != null)
        try {
        } catch (IOException ioe) {
    return b;

  public byte[] loadBytesFromStream(InputStream in) throws IOException {
    return loadBytesFromStream(in, kDEFAULT_CHUNK_SIZE);

  public byte[] loadBytesFromStreamForSize(InputStream in, int size)
      throws IOException {
    int count, index = 0;
    byte[] b = new byte[size];

    // read in the bytes from input stream
    while ((count = in.read(b, index, size)) > 0) {
      size -= count;
      index += count;
    return b;
  private static int kDEFAULT_CHUNK_SIZE = 256;
  public byte[] loadBytesFromStream(InputStream in, int chunkSize)
      throws IOException {
    if (chunkSize < 1)
      chunkSize = kDEFAULT_CHUNK_SIZE;

    int count;
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    byte[] b = new byte[chunkSize];
    try {
      while ((count = in.read(b, 0, chunkSize)) > 0)
        bo.write(b, 0, count);
      byte[] thebytes = bo.toByteArray();
      return thebytes;
    } finally {
      bo = null;


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