code: @Override
      public void setAttribute(String name, Object value)
      {
          if (_varMapper != null)
          {
              if (value == null)
              {
                  _varMapper.setVariable(name, null);
              }
              else
              {
                  _varMapper.setVariable(name, _facelet.getExpressionFactory()
                          .createValueExpression(value, Object.class));
              }
          }
      }
docs: {@inheritDoc}