diff -r 3661b82478e0 -r 023cda5b8b0b rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Fri Mar 01 14:10:57 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Mar 13 16:20:03 2013 +0100
@@ -56,7 +56,7 @@
  * Supports execution in native browser as well as Java's internal 
  * execution engine.
  */
-final class Bck2BrwsrLauncher extends Launcher implements Closeable {
+class Bck2BrwsrLauncher extends Launcher implements Closeable {
     private static final Logger LOG = Logger.getLogger(Bck2BrwsrLauncher.class.getName());
     private static final InvocationContext END = new InvocationContext(null, null, null);
     private final Set<ClassLoader> loaders = new LinkedHashSet<>();
@@ -333,31 +333,7 @@
         int port = listener.getPort();
         
         URI uri = new URI("http://localhost:" + port + page);
-        LOG.log(Level.INFO, "Showing {0}", uri);
-        if (cmd == null) {
-            try {
-                LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
-                    System.getProperty("java.vm.name"),
-                    System.getProperty("java.vm.vendor"),
-                    System.getProperty("java.vm.version"),
-                });
-                java.awt.Desktop.getDesktop().browse(uri);
-                LOG.log(Level.INFO, "Desktop.browse successfully finished");
-                return null;
-            } catch (UnsupportedOperationException ex) {
-                LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
-                LOG.log(Level.FINE, null, ex);
-            }
-        }
-        {
-            String cmdName = cmd == null ? "xdg-open" : cmd;
-            String[] cmdArr = { 
-                cmdName, uri.toString()
-            };
-            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
-            final Process process = Runtime.getRuntime().exec(cmdArr);
-            return new Object[] { process, null };
-        }
+        return showBrwsr(uri);
     }
     private static String toUTF8(String value) throws UnsupportedEncodingException {
         byte[] arr = new byte[value.length()];
@@ -432,6 +408,34 @@
         shutdown();
     }
 
+    protected Object[] showBrwsr(URI uri) throws IOException {
+        LOG.log(Level.INFO, "Showing {0}", uri);
+        if (cmd == null) {
+            try {
+                LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
+                    System.getProperty("java.vm.name"),
+                    System.getProperty("java.vm.vendor"),
+                    System.getProperty("java.vm.version"),
+                });
+                java.awt.Desktop.getDesktop().browse(uri);
+                LOG.log(Level.INFO, "Desktop.browse successfully finished");
+                return null;
+            } catch (UnsupportedOperationException ex) {
+                LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
+                LOG.log(Level.FINE, null, ex);
+            }
+        }
+        {
+            String cmdName = cmd == null ? "xdg-open" : cmd;
+            String[] cmdArr = { 
+                cmdName, uri.toString()
+            };
+            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
+            final Process process = Runtime.getRuntime().exec(cmdArr);
+            return new Object[] { process, null };
+        }
+    }
+
     private class Res implements Bck2Brwsr.Resources {
         @Override
         public InputStream get(String resource) throws IOException {