Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.awt.Component;

import java.lang.reflect.Method;

import javax.swing.JOptionPane;

public class Main {
    /** Linux/Unix binaries to look for */
    public final static String[] LINUX_BROWSERS = { "firefox", "google-chrome", "opera", "konqueror", "epiphany",
            "mozilla", "netscape" };

    /**
     * opens the URL in a browser.
     * 
     * @param url the URL to open
     */
    public static void openURL(String url) {
        openURL(null, url);
    }

    /**
     * opens the URL in a browser.
     * 
     * @param parent the parent component
     * @param url the URL to open
     */
    public static void openURL(Component parent, String url) {
        openURL(parent, url, true);
    }

    /**
     * opens the URL in a browser.
     * 
     * @param parent the parent component
     * @param url the URL to open
     * @param showDialog whether to display a dialog in case of an error or just
     *          print the error to the console
     */
    public static void openURL(Component parent, String url, boolean showDialog) {
        String osName = System.getProperty("os.name");
        try {
            // Mac OS
            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 });
            }
            // Windows
            else if (osName.startsWith("Windows")) {
                Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
            }
            // assume Unix or Linux
            else {
                String browser = null;
                for (int count = 0; count < LINUX_BROWSERS.length && browser == null; count++) {
                    // look for binaries and take first that's available
                    if (Runtime.getRuntime().exec(new String[] { "which", LINUX_BROWSERS[count] }).waitFor() == 0) {
                        browser = LINUX_BROWSERS[count];
                        break;
                    }
                }
                if (browser == null) {
                    throw new Exception("Could not find web browser");
                } else {
                    Runtime.getRuntime().exec(new String[] { browser, url });
                }
            }
        } catch (Exception e) {
            String errMsg = "Error attempting to launch web browser:\n" + e.getMessage();

            if (showDialog) {
                JOptionPane.showMessageDialog(parent, errMsg);
            } else {
                System.err.println(errMsg);
            }
        }
    }
}