public GenericEditor() 
{
          
            super(new JTextField());
            getComponent().setName("Table.editor");
}

 public Object getCellEditorValue() 
{
            return value;
}

 public Component getTableCellEditorComponent(JTable table,
    Object value,
    boolean isSelected,
    int row,
    int column) 
{
            this.value = null;
            ((JComponent)getComponent()).setBorder(new LineBorder(Color.black));
            try {
                Class type = table.getColumnClass(column);
                // Since our obligation is to produce a value which is
                // assignable for the required type it is OK to use the
                // String constructor for columns which are declared
                // to contain Objects. A String is an Object.
                if (type == Object.class) {
                    type = String.class;
                }
                constructor = type.getConstructor(argTypes);
            }
            catch (Exception e) {
                return null;
            }
            return super.getTableCellEditorComponent(table, value, isSelected, row, column);
}

 public boolean stopCellEditing() 
{
            String s = (String)super.getCellEditorValue();
            // Here we are dealing with the case where a user
            // has deleted the string value in a cell, possibly
            // after a failed validation. Return null, so that
            // they have the option to replace the value with
            // null or use escape to restore the original.
            // For Strings, return "" for backward compatibility.
            if ("".equals(s)) {
                if (constructor.getDeclaringClass() == String.class) {
                    value = s;
                }
                super.stopCellEditing();
            }
            try {
                value = constructor.newInstance(new Object[]{s});
            }
            catch (Exception e) {
                ((JComponent)getComponent()).setBorder(new LineBorder(Color.red));
                return false;
            }
            return super.stopCellEditing();
}