Java Swing JOptionPane Html Content Example

In the previous tutorial, we learn about the basic Swing JOptionPane and saw different types of dialogue boxes. Here we are going to see how to add html content including images to JOptionPane.

JOptionPane Html Content :

MyOptionPane.java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.net.URL;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

class MyJOptionPane extends JFrame {
    JButton Warning, Message;
    JPanel ButtonPanel;
    URL url;

    MyJOptionPane() {
        super("JOptionPane Demo");

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Warning = new JButton("Warning for U");
        Warning.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                String Msg = "Brain Draining  has become a serious
 ";
                Msg = Msg
                        + " problem which needs  immediate  attention
";
                Msg = Msg + " What do u  think  ";
                JOptionPane.showMessageDialog(ButtonPanel, Msg, "HTML Message",
                        JOptionPane.WARNING_MESSAGE);
            }
        });

        Message = new JButton("Click me..");
        Message.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                try {
                    url = new URL(
                            "file:\\C:\\Desktop\\images\\fox.png");
                } catch (Exception e) {
                    System.out.println("File not Loaded" + e);
                }
                String ImageSrc = "";
                JOptionPane.showMessageDialog(ButtonPanel, "" + ImageSrc
                        + "
 How is the Message ",
                        "HTML Message with Image",
                        JOptionPane.INFORMATION_MESSAGE);

            }
        });

        ButtonPanel = new JPanel();
        ButtonPanel.add(Warning);
        ButtonPanel.add(Message);

        getContentPane().add(ButtonPanel);
        setSize(300, 300);
        setVisible(true);
    }
}

class JOptionPane_HTML {
    public static void main(String args[]) {
        MyJOptionPane frame = new MyJOptionPane();
    }
}