public class TableCellRender_ControlDocumentos extends DefaultTableCellRenderer{
    private int columna ;

    public TableCellRender_ControlDocumentos(int Colpatron)
    {
        this.columna = Colpatron;
    }

    @Override
    public Component getTableCellRendererComponent (JTable table, Object value, boolean selected, boolean focused, int row, int column)
    {
        super.getTableCellRendererComponent(table, value, selected, focused, row, column);

        JLabel etiqueta = new JLabel();

        if(columna == 4){
            if(selected)
                etiqueta.setBackground (Color.CYAN);
            else
                etiqueta.setBackground (Color.YELLOW);
        }

        if (value instanceof String){
            etiqueta.setOpaque(true);
            etiqueta.setText((String)value);
        }

        return etiqueta;
    }
}