Dúvida select all checkbox

jCheckBoxMarcarTodos.addItemListener(
                new ItemListener() {
                    public void itemStateChanged(ItemEvent e) {
                //Implementar
                    }
                });
		
	}


class MyTableModel extends AbstractTableModel {

		private String[] columnNames = {"","Tabela", "Arquivos"};
        private Object[][] data = {
	    {new Boolean(false),"Fatores Diversos", "RC44FDIV" },
	    {new Boolean(false),"Região", "Doe"},
	    {new Boolean(false),"Ajuste", "Black"},
	    {new Boolean(false),"Bonus", "White"},
	    {new Boolean(false),"Categoria Casco", "Brown"}
        };

        public int getColumnCount() {
            return columnNames.length;
        }

        public int getRowCount() {
            return data.length;
        }

        public String getColumnName(int col) {
            return columnNames[col];
        }

        public Object getValueAt(int row, int col) {
            return data[row][col];
        }


        public Class getColumnClass(int c) {
            return getValueAt(0, c).getClass();
        }

        public boolean isCellEditable(int row, int col) {
        	  if (col > 0) {
	                return false;
	            } else {
	                return true;
	            }      
        }
 
        public void setValueAt(Object value, final int row, final int col) {
            data[row][col] = value;
            fireTableCellUpdated(row, col);            
        }     
        
        
    }