Component (JTable table, Object value, boolean isSelected, int row, int column) { JComponent editor = (JComponent)super.getTableCellEditorComponent(table, value, isSelected, row, column); JComponent renderer = (JComponent)table.getCellRenderer(row, column).getTableCellRendererComponent(table, value, isSelected, true, row, column); ValidationInfo cellInfo = renderer != null ? (ValidationInfo)renderer.getClientProperty(CELL_VALIDATION_PROPERTY) : null; if (cellInfo != null) { editor.putClientProperty(CELL_VALIDATION_PROPERTY, cellInfo.forComponent(editor)); ComponentValidator.getInstance(editor).ifPresent(ComponentValidator::revalidate); } return editor; }