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//package com.centerkey.utils;
package contribs.com.centerkey.utils;

import javax.swing.JOptionPane;
import java.util.Arrays;

/**
 * Bare Bones Browser Launch for Java

 * Utility class to open a web page from a Swing application
 * in the user's default browser.

 * Supports: Mac OS X, GNU/Linux, Unix, Windows XP/Vista/7

 * Example Usage:
    
 *    String url = "http://www.google.com/";
    
 *    BareBonesBrowserLaunch.openURL(url);

 * Latest Version: www.centerkey.com/java/browser

 * Author: Dem Pilafian

 * Public Domain Software -- Free to Use as You Like
 * @version 3.1, June 6, 2010
 */
public class BareBonesBrowserLaunch {

   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());
            }
         }
      }

   }