org.bbaw.pdr.ae.common.utils.OpenExternalBrowser.java Source code

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Here is the source code for org.bbaw.pdr.ae.common.utils.OpenExternalBrowser.java

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/**
 * This file is part of Archiv-Editor.
 * 
 * The software Archiv-Editor serves as a client user interface for working with
 * the Person Data Repository. See: pdr.bbaw.de
 * 
 * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
 * of Sciences and Humanities, Jgerstr. 22/23, D-10117 Berlin.
 * www.bbaw.de
 * 
 * Copyright (C) 2010-2013  Berlin-Brandenburg Academy
 * of Sciences and Humanities
 * 
 * The software Archiv-Editor was developed by @author: Christoph Plutte.
 * 
 * Archiv-Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Archiv-Editor 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Archiv-Editor.  
 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
 */
package org.bbaw.pdr.ae.common.utils;

import java.util.Arrays;

import org.eclipse.jface.dialogs.MessageDialog;

/**
 * <b>Bare Bones Browser Launch for Java</b><br>
 * Utility class to open a web page from a Swing application in the user's
 * default browser.<br>
 * Supports: Mac OS X, GNU/Linux, Unix, Windows XP/Vista/7<br>
 * Example Usage:<code><br> &nbsp; &nbsp;
 *    String url = "http://www.google.com/";<br> &nbsp; &nbsp;
 *    BareBonesBrowserLaunch.openURL(url);<br></code> Latest Version: <a
 * href="http://www.centerkey.com/java/browser/"
 * >www.centerkey.com/java/browser</a><br>
 * Author: Dem Pilafian<br>
 * Public Domain Software -- Free to Use as You Like
 * @version 3.1, June 6, 2010
 */
public class OpenExternalBrowser {

    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) {
                MessageDialog md = new MessageDialog(null, "Error", null, errMsg + "\n" + e.toString(),
                        MessageDialog.ERROR, new String[] { "OK" }, 0);
                md.open();
            }
        }
    }

}