package examples;
   
   import org.pojomatic.formatter.DefaultEnhancedPropertyFormatter;
   
   public class IpAddressFormatter extends DefaultEnhancedPropertyFormatter {
     @Override
     public void appendFormatted(StringBuilder builder, byte[] array) {
       if (array == null) {
         super.appendFormatted(builder, array);
      }
      else {
        boolean first = true;
        for (byte b: array) {
          if (first) {
            first = false;
          }
          else {
            builder.append('.');
          }
          builder.append(((int) b) & 0xff);
        }
      }
    }
  }