How to launch associated applications registered on the native desktop to handle link or a file in Java

LaunchAppInNativeOSToHandleLinkAndFile.java

import java.awt.Desktop;
import java.io.File;
import java.net.URI;

/**
 *
 * @author Bhuwan Prasad Upadhyay
 */
public class LaunchAppInNativeOSToHandleLinkAndFile {

    public static void main(String[] args) throws Exception {

        LaunchAppInNativeOSToHandleLinkAndFile handleLinkAndFile
                = new LaunchAppInNativeOSToHandleLinkAndFile();
        if (Desktop.isDesktopSupported()) {

            Desktop desktop = Desktop.getDesktop();
            handleLinkAndFile.lauchUserDefaultBrowser(desktop);

            Thread.sleep(500);
            handleLinkAndFile.lauchUserDefaultMailClient(desktop);

            Thread.sleep(500);
            handleLinkAndFile.lauchUserDefaultFileOpenApplication(desktop);

            Thread.sleep(500);
            handleLinkAndFile.lauchUserDefaultFileEditApplication(desktop);

            Thread.sleep(500);
            handleLinkAndFile.lauchUserDefaultFilePrintApplication(desktop);
        } else {
            throw new UnsupportedOperationException("Desktop Environment Not Supported");
        }
    }

    /*
        To Launch User Default Browser [eg. chrome/firefox/IE]
     */
    public void lauchUserDefaultBrowser(Desktop desktop) throws Exception {
        if (desktop.isSupported(Desktop.Action.BROWSE)) {

            desktop.browse(new URI("http://www.google.com"));

            System.out.println("#lauchUserDefaultBrowser()->Browser Opened");
        }
    }

    /*
        To Launch User Default Mail Client [eg. outlook]
     */
    public void lauchUserDefaultMailClient(Desktop desktop) throws Exception {
        if (desktop.isSupported(Desktop.Action.MAIL)) {

            desktop.mail();

            System.out.println("#lauchUserDefaultMailClient()->Mail Client Opened");
        }
    }

    /*
        To Launch User Default File Open Application [eg. notepad]
     */
    public void lauchUserDefaultFileOpenApplication(Desktop desktop) throws Exception {
        if (desktop.isSupported(Desktop.Action.OPEN)) {

            desktop.open(File.createTempFile("LaunchAppInNativeOSToHandleLinkAndFile"
                    + System.currentTimeMillis(), ".txt"));

            System.out.println("#lauchUserDefaultFileOpenApplication()->File Open Application Opened");
        }
    }

    /*
        To Launch User Default File Edit Application [eg. notepad]
     */
    public void lauchUserDefaultFileEditApplication(Desktop desktop) throws Exception {
        if (desktop.isSupported(Desktop.Action.EDIT)) {

            desktop.edit(File.createTempFile("LaunchAppInNativeOSToHandleLinkAndFile"
                    + System.currentTimeMillis(), ".txt"));

            System.out.println("#lauchUserDefaultFileEditApplication()->File Edit Application Opened");
        }
    }

    /*
        To Launch User Default File Print Application [eg. notepad]
     */
    public void lauchUserDefaultFilePrintApplication(Desktop desktop) throws Exception {
        if (desktop.isSupported(Desktop.Action.PRINT)) {

            desktop.print(File.createTempFile("LaunchAppInNativeOSToHandleLinkAndFile"
                    + System.currentTimeMillis(), ".txt"));

            System.out.println("#lauchUserDefaultFilePrintApplication()->File Print Application Opened");
        }
    }
}