如何在JTable单元格中显示动画

import java.awt.*;
import java.awt.event.*;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.*;
import javax.swing.table.*;

public class AnimatedTableCellRenderer extends JPanel implements TableCellRenderer {
    private JLabel label;
    private ImageIcon[] icons;
    private int currentIcon;
    private Timer timer;

    public AnimatedTableCellRenderer() {
        setLayout(null);
        setOpaque(false);

        label = new JLabel();
        label.setBounds(0, 0, 0, 0);
        add(label);

        icons = new ImageIcon[4];
        for (int i = 0; i< icons.length; i++) {
            icons[i] = new ImageIcon(getClass().getResource("loading_" + (i + 1) + ".gif"));
        }

        timer = new Timer(true);
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                currentIcon = (currentIcon + 1) % icons.length;
                label.setIcon(icons[currentIcon]);
            }
        }, 0, 100);
    }

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
        label.setIcon((ImageIcon) value);
        return this;
    }
}

JTable table = new JTable();
table.setDefaultRenderer(Object.class, new AnimatedTableCellRenderer());