protected static String extractAccessKey(String s3uri){
  return s3uri.substring(s3uri.indexOf("://") + 3,s3uri.indexOf(':',s3uri.indexOf("://") + 3));
}

protected static String extractAccessKey ( String s3uri ) { return s3uri . substring ( s3uri . indexOf ( "://" ) + 3 , s3uri . indexOf ( ':' , s3uri . indexOf ( "://" ) + 3 ) ) ; }
extracts the accesskey from the given uri
