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Download image given a url in C# using the System.Net.HttpWebRequest class

Saves image url object into the local machine


/// 
/// Saves the list of url object into the output directory
/// 

/// list of url path
/// root directory that will be used for saving

internal static void PhotoDownloader(ArrayList aList, string outputDir)
{
 Image imageStream = null;
    DateTime dt = DateTime.Now;
    String newDir = String.Format("{0:yyyy_mm_dd}", dt);
    Directory.CreateDirectory(outputDir + newDir);
    int ctr = 1;
    foreach (String filename in aList)
    {
  try
        {        
   System.Net.HttpWebRequest httpWebRequest = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(filename);
            httpWebRequest.AllowWriteStreamBuffering = true;            
            httpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)";            
   httpWebRequest.Timeout = 30000; //30 seconds
            System.Net.WebResponse webResponse = httpWebRequest.GetResponse();            
            System.IO.Stream webStream = webResponse.GetResponseStream();
   imageStream = Image.FromStream(webStream);            
   webResponse.Close();
            webResponse.Close();
  }
        catch (Exception e)
        {        
   Console.WriteLine("Error: " + e.Message);
        }
  Console.WriteLine((ctr++) + "Saving..." + filename);

        String newFile = filename.Substring(filename.LastIndexOf("/") + 1);
        imageStream.Save(outputDir + newDir + "/" + newFile);
 }
}

You may ask, how can I do the same in java? Here's how:
http://czetsuya-tech.blogspot.com/2010/03/download-url-file-into-desktop-for.html

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