Java/Development Class/Mac

Launch Browser in Mac, Linux, Unix

/////////////////////////////////////////////////////////
//  Bare Bones Browser Launch                          //
//  Version 1.5                                        //
//  December 10, 2005                                  //
//  Supports: Mac OS X, GNU/Linux, Unix, Windows XP    //
//  Example Usage:                                     //
//     String url = "http://www.centerkey.ru/";       //
//     BareBonesBrowserLaunch.openURL(url);            //
//  Public Domain Software -- Free to Use as You Like  //
/////////////////////////////////////////////////////////
import java.lang.reflect.Method;
import javax.swing.JOptionPane;
public class BareBonesBrowserLaunch {
   private static final String errMsg = "Error attempting to launch web browser";
   public static void openURL(String url) {
      String osName = System.getProperty("os.name");
      try {
         if (osName.startsWith("Mac OS")) {
            Class fileMgr = Class.forName("com.apple.eio.FileManager");
            Method openURL = fileMgr.getDeclaredMethod("openURL",
               new Class[] {String.class});
            openURL.invoke(null, new Object[] {url});
            }
         else if (osName.startsWith("Windows"))
            Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
         else { //assume Unix or Linux
            String[] browsers = {
               "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
            String browser = null;
            for (int count = 0; count < browsers.length && browser == null; count++)
               if (Runtime.getRuntime().exec(
                     new String[] {"which", browsers[count]}).waitFor() == 0)
                  browser = browsers[count];
            if (browser == null)
               throw new Exception("Could not find web browser");
            else
               Runtime.getRuntime().exec(new String[] {browser, url});
            }
         }
      catch (Exception e) {
         JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());
         }
      }
   }

Mac OS Application Adapter

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */
import javax.swing.JFrame;
import com.apple.eawt.Application;
import com.apple.eawt.ApplicationEvent;
import com.apple.eawt.ApplicationListener;
/**
 * The only os-dependant part of com.darwinsys, this is the
 * adapter class to handle MacOS"s "different" way of doing About Box,
 * Quit item in App menu, Preferences, and so on.
 */
public class MacOSAppAdapter extends Application {
  ApplicationListener appListener;
  JFrame  parent;
  AboutBoxHandler abouter;
  PrefsHandler prefser;
  PrintHandler printer;
  ShutdownHandler shutter;

  /** Construct a MacOSAppAdapter.
   * @param theParent A JFrame, usually the main application window.
   * @param about A handler for the About box.
   * @param prefs A Preferences handler.
   * @param print A Print handler (bug: does not get invoked now).
   * @param shut A shutdown handler
   */
  public MacOSAppAdapter(JFrame theParent, AboutBoxHandler about,
    PrefsHandler prefs, PrintHandler print, ShutdownHandler shut) {
    appListener = new MyAppEventHandler();
    parent = theParent;
    if (about != null) {
      abouter = about;
      setEnabledAboutMenu(true);
      addAboutMenuItem();
    }
    if (prefs != null) {
      prefser = prefs;
      setEnabledPreferencesMenu(true);
      addPreferencesMenuItem();
    }
    
    printer = print;
    shutter = shut;
  }
  /** Method to register this handler with Apple"s event manager, calling
   * addApplicationListener in parent class.
   */
  public void register() {
    addApplicationListener(appListener);
  }
  /** Inner class to provide ApplicationListener support. */
  class MyAppEventHandler implements ApplicationListener {
    /** This is called when the user does Application->About */
    public void handleAbout(ApplicationEvent event) {
      abouter.showAboutBox(parent);
      event.setHandled(true);
    }
    /** Called when the user does Application->Preferences */
    public void handlePreferences(ApplicationEvent event) {
      if (prefser != null)
        prefser.showPrefsDialog(parent);
        event.setHandled(true);
    }
    public void handlePrint(ApplicationEvent event) {
      if (printer != null)
        printer.doPrint(parent);
        event.setHandled(true);
    }
    /** This is called when the user does Application->Quit */
    public void handleQuit(ApplicationEvent event) {
      if (shutter != null)
        shutter.shutdown(parent);
      System.exit(0);  // should be notreached
    }
    /**
     * @see com.apple.eawt.ApplicationListener#handleOpenApplication(com.apple.eawt.ApplicationEvent)
     */
    public void handleOpenApplication(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }
    /**
     * @see com.apple.eawt.ApplicationListener#handleOpenFile(com.apple.eawt.ApplicationEvent)
     */
    public void handleOpenFile(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }
    /**
     * @see com.apple.eawt.ApplicationListener#handlePrintFile(com.apple.eawt.ApplicationEvent)
     */
    public void handlePrintFile(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }
    /**
     * @see com.apple.eawt.ApplicationListener#handleReOpenApplication(com.apple.eawt.ApplicationEvent)
     */
    public void handleReOpenApplication(ApplicationEvent arg0) {
      // TODO Auto-generated method stub
      
    }
  }
}

Utilities for Mac GUI work

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */
/**
 * Utilities for Mac GUI work.
 * 
 * @version $Id: MacOSUtil.java,v 1.11 2004/01/31 01:26:05 ian Exp $
 */
public class MacOSUtil {
  /** Return true if we are running MacOS; needs a few GUI tweaks if so. */
  public static boolean isMacOS() {
    return System.getProperty("mrj.version") != null;
  }
  /**
   * Set a few common properties for the given application if we are running
   * under MacOS. Usage Example:
   * 
   * <pre>
   * if (MacOSUtil.isMacOS()) {
   *   MacOSUtil.setMacOS(&quot;JabaDex&quot;);
   * }
   * </pre>
   * 
   * @param appName -
   *            the name of the Application.
   */
  public static void setMacOS(String appName) {
    System.setProperty("apple.laf.useScreenMenuBar", "true");
    System.setProperty("apple.awt.showGrowBox", "true");
    System.setProperty("com.apple.mrj.application.apple.menu.about.name",
        appName);
  }
}