WebBrowserBasedOnJEditorPane.java Source code

Introduction

Here is the source code for WebBrowserBasedOnJEditorPane.java

Source

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.IDN;

import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;

public class WebBrowserBasedOnJEditorPane extends JFrame implements HyperlinkListener {
    private JTextField txtURL = new JTextField("");
    JEditorPane ep = new JEditorPane();
    private JLabel lblStatus = new JLabel(" ");

    public WebBrowserBasedOnJEditorPane() {
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        JPanel pnlURL = new JPanel();
        pnlURL.setLayout(new BorderLayout());
        pnlURL.add(new JLabel("URL: "), BorderLayout.WEST);
        pnlURL.add(txtURL, BorderLayout.CENTER);
        getContentPane().add(pnlURL, BorderLayout.NORTH);
        getContentPane().add(ep, BorderLayout.CENTER);

        getContentPane().add(lblStatus, BorderLayout.SOUTH);

        ActionListener al = new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                try {
                    String url = ae.getActionCommand().toLowerCase();
                    if (url.startsWith("http://"))
                        url = url.substring(7);
                    ep.setPage("http://" + IDN.toASCII(url));
                } catch (Exception e) {
                    e.printStackTrace();
                    JOptionPane.showMessageDialog(WebBrowserBasedOnJEditorPane.this,
                            "Browser problem: " + e.getMessage());
                }
            }
        };
        txtURL.addActionListener(al);

        setSize(300, 300);
        setVisible(true);
    }

    public void hyperlinkUpdate(HyperlinkEvent hle) {
        HyperlinkEvent.EventType evtype = hle.getEventType();
        if (evtype == HyperlinkEvent.EventType.ENTERED)
            lblStatus.setText(hle.getURL().toString());
        else if (evtype == HyperlinkEvent.EventType.EXITED)
            lblStatus.setText(" ");
    }

    public static void main(String[] args) {
        new WebBrowserBasedOnJEditorPane();
    }
}