source: josm/src/org/openstreetmap/josm/tools/OpenBrowser.java@ 149

package org.openstreetmap.josm.tools;

import java.io.IOException;

/**
 * Helper to open platform web browser on different platforms
 * @author Imi
 */
public class OpenBrowser {

        /**
         * @return <code>null</code> for success or a string in case of an error.
         */
        public static String displayUrl(String url) {
                String os = System.getProperty("os.name");
                if (os == null)
                        return "unknown operating system";
                try {
                        if (os != null && os.startsWith("Windows"))
                                windows(url);
                        else if (os.equals("Linux") || os.equals("Solaris") || os.equals("SunOS") || os.equals("AIX") || os.equals("FreeBSD"))
                                linux(url);
                        else if (os.equals("Mac OS") || os.equals("Mac OS X"))
                                mac(url);
                        else
                                return "unknown operating system";
                } catch (IOException e) {
                        return e.getMessage();
                }
                return null;
        }

        private static void windows(String url) throws IOException {
                Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
        }

        private static void linux(String url) throws IOException {
                try {
                Runtime.getRuntime().exec("gnome-open " + url);
        } catch (IOException e) {
                Runtime.getRuntime().exec("kfmclient openURL " + url);
        }
        }

        private static void mac(String url) throws IOException {
                Runtime.getRuntime().exec("open " + url);
        }
}