private RowFilter createOperator(final Object right,
                                     final int modelIndex,
                                     final Comparator comparator) {
      return new RowFilter() {
        @Override
        public boolean include(Entry entry) {
          Object left = entry.getValue(modelIndex);
          if (left instanceof String) {
            left = htmlHandler.stripHtml((String)left);
          }
          boolean value = (left != null)
                          && (0 == comparator.compare(left, right));
          return value == expected;
        }
      };
    }
private RowFilter createOperator(final Object right,
                                     final int modelIndex,
                                     final Comparator comparator)