private InputStream OpenHttpConnection(String strURL) throws IOException{
   InputStream inputStream = null;
   URL url = new URL(strURL);
   URLConnection conn = url.openConnection();

   try{
    HttpURLConnection httpConn = (HttpURLConnection)conn;
    httpConn.setRequestMethod("GET");
    httpConn.connect();

    if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK) {
     inputStream = httpConn.getInputStream();
    }
   }
   catch (Exception ex)
   {
   }
   return inputStream;
  }

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