package 
{
  import mx.formatters.Formatter;
  // Custom formatters must extend mx.formatters.Formatter
  public class professional_flex_code_15_ReverseFormatter extends Formatter {
        
    public function professional_flex_code_15_ReverseFormatter() {
      super();
    }
    // Custom formatters must override format().
    override public function format(formatObj:Object):String         {
      if(formatObj.length == 0) {    
        // return empty string and set error property if string has zero length.
        error="Can not format an empty String";
        return ""
      } else {
      	error=null;
        var returnString:String = "";
        // loop through value and build string in reverse
        for(var i:Number=formatObj.length; i>=0; i--){
          returnString = returnString + formatObj.charAt(i);
        }
        return returnString;
      }
    }
  }
}