import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Insets;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
public class SolidBorder implements Border {
protected Color topColor = Color.white;
protected Color bottomColor = Color.gray;
public SolidBorder() {
}
public Insets getBorderInsets(Component c) {
return new Insets(2, 2, 2, 2);
}
public boolean isBorderOpaque() {
return true;
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
width--;
height--;
g.setColor(topColor);
g.drawLine(x, y + height, x, y);
g.drawLine(x , y, x + width , y);
g.setColor(bottomColor);
g.drawLine(x + width, y, x + width, y + height);
g.drawLine(x , y + height, x + width, y + height);
}
public static void main(String[] args) {
JFrame frame = new JFrame("Custom Border: SolidBorder");
JLabel label = new JLabel("SolidBorder");
((JPanel) frame.getContentPane()).setBorder(new CompoundBorder(
new EmptyBorder(10, 10, 10, 10), new SolidBorder()));
frame.getContentPane().add(label);
frame.setBounds(0, 0, 300, 150);
frame.setVisible(true);
}
}