BrowserLauncher.java

package com.dongxuexidu.douban4j.playground;

/////////////////////////////////////////////////////////
//Bare Bones Browser Launch                            //
//Version 1.5 (December 10, 2005)                      //
//By Dem Pilafian                                      //
//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    //
/////////////////////////////////////////////////////////
/**
 * @author Dem Pilafian
 * @author John Kristian
 */
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class BrowserLauncher {

  public static void openURL(String url) {
    try {
      browse(url);
    } catch (Exception e) {
      //JOptionPane.showMessageDialog(null, "Error attempting to launch web browser:\n" + e.getLocalizedMessage());
    }
  }

  private static void browse(String url) throws ClassNotFoundException, IllegalAccessException,
          IllegalArgumentException, InterruptedException, InvocationTargetException, IOException,
          NoSuchMethodException {
    String osName = System.getProperty("os.name", "");
    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 NoSuchMethodException("Could not find web browser");
      } else {
        Runtime.getRuntime().exec(new String[]{browser, url});
      }
    }
  }
}