Opens the specified web page in the user's default browser - Java Native OS

Java examples for Native OS:Browser

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Description

Opens the specified web page in the user's default browser

Demo Code


//package com.java2s;
import javax.swing.JOptionPane;
import java.util.Arrays;

public class Main {
    public static void main(String[] argv) throws Exception {
        String url = "java2s.com";
        openURL(url);/*  w w w  . ja  v a  2 s  .  c o m*/
    }

    static final String[] browsers = { "google-chrome", "firefox", "opera",
            "epiphany", "konqueror", "conkeror", "midori", "kazehakase",
            "mozilla" };
    static final String errMsg = "Error attempting to launch web browser";

    /**
     * Opens the specified web page in the user's default browser
     * 
     * @param url
     *            A web address (URL) of a web page (ex:
     *            "http://www.google.com/")
     */
    public static void openURL(String url) {
        try { // attempt to use Desktop library from JDK 1.6+
            Class<?> d = Class.forName("java.awt.Desktop");
            d.getDeclaredMethod("browse",
                    new Class[] { java.net.URI.class }).invoke(
                    d.getDeclaredMethod("getDesktop").invoke(null),
                    new Object[] { java.net.URI.create(url) });
            // above code mimicks: java.awt.Desktop.getDesktop().browse()
        } catch (Exception ignore) { // library not available or failed
            String osName = System.getProperty("os.name");
            try {
                if (osName.startsWith("Mac OS")) {
                    Class.forName("com.apple.eio.FileManager")
                            .getDeclaredMethod("openURL",
                                    new Class[] { String.class })
                            .invoke(null, new Object[] { url });
                } else if (osName.startsWith("Windows"))
                    Runtime.getRuntime().exec(
                            "rundll32 url.dll,FileProtocolHandler " + url);
                else { // assume Unix or Linux
                    String browser = null;
                    for (String b : browsers)
                        if (browser == null
                                && Runtime.getRuntime()
                                        .exec(new String[] { "which", b })
                                        .getInputStream().read() != -1)
                            Runtime.getRuntime().exec(
                                    new String[] { browser = b, url });
                    if (browser == null)
                        throw new Exception(Arrays.toString(browsers));
                }
            } catch (Exception e) {
                JOptionPane.showMessageDialog(null,
                        errMsg + "\n" + e.toString());
            }
        }
    }
}

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