Source Code : Browser Launcher 2

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Browser Launcher 2

       
////////////////////////////////////////////////////////
// Bare Bones Browser Launch                          //
// Version 1.2                                        //
// November 11, 2005                                  //
// Supports: Mac OS X, GNU/Linux, Unix, Windows XP    //
// Example Usage:                                     //
//    String url = "http://www.centerkey.com/";       //
//    BareBonesBrowserLaunch.openURL(url);            //
// Public Domain Software -- Free to Use as You Like  //
////////////////////////////////////////////////////////

//package mvplan.util;

import java.lang.reflect.Method;

import javax.swing.JOptionPane;

public class BrowserLauncher {

  private static final String errMsg = "Error attempting to launch web browser";

  public static void openURL(String url) {
    int os = PlatformDetector.detect();

    try {
      if (os == PlatformDetector.MACOS) {
        Class macUtils = Class.forName("com.apple.mrj.MRJFileUtils");
        Method openURL = macUtils.getDeclaredMethod("openURL",
            new Class[] { String.class });
        openURL.invoke(null, new Object[] { url });
      } else if (os == PlatformDetector.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 + ":
" + e.getLocalizedMessage());
    }
  }

}

class PlatformDetector {
  public static final int MACOS = 0;
  public static final int UNIX = 1;
  public static final int WINDOWS = 3;

  /** Creates a new instance of PlatformDetector */
  public static int detect() {
    String osName = System.getProperty("os.name");
    if (osName.startsWith("Mac OS"))
      return MACOS;
    else if (osName.startsWith("Windows"))
      return WINDOWS;
    else
      // assume Unix or Linux
      return UNIX;
  }
}

   
    
    
    
    
    
    
  

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