/**
* Copyright (C) 2012, DEIB - Politecnico di Milano
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.framework.net;
import java.awt.Desktop;
import java.awt.Desktop.Action;
import java.lang.reflect.Method;
import java.net.URI;
import javax.swing.JOptionPane;
public class BrowserLauncher {
private static final String errMsg = "Error attempting to launch web browser";
/**
* Launch the given URL in the system browser
* @param url the URL to launch
*/
public static void openURL(String url) {
Desktop desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null;
if (desktop != null && desktop.isSupported(Action.BROWSE)) {
try {
desktop.browse(new URI(url));
} catch (Exception e) {
JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());
}
} else {
fallbackURL(url);
}
}
/**
* Fallback open URL code if Desktop.class is not supported
* @param url the URL to launch
*/
private static void fallbackURL(String url) {
String osName = System.getProperty("os.name");
try {
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 Exception("Could not find web browser");
} else {
Runtime.getRuntime().exec(new String[] { browser, url });
}
}
} catch (Exception e) {
JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());
}
}
}