private BrowserLauncher createBrowserLauncher( Class c, String browserStartCommand, String sessionId, SeleneseQueue queue) { try { BrowserLauncher browserLauncher; if (null == browserStartCommand) { Constructor ctor = c.getConstructor(new Class[] {int.class, String.class}); Object[] args = new Object[] {new Integer(server.getPort()), sessionId}; browserLauncher = (BrowserLauncher) ctor.newInstance(args); } else { Constructor ctor = c.getConstructor(new Class[] {int.class, String.class, String.class}); Object[] args = new Object[] { new Integer(SeleniumServer.getPortDriversShouldContact()), sessionId, browserStartCommand }; browserLauncher = (BrowserLauncher) ctor.newInstance(args); } if (browserLauncher instanceof SeleneseQueueAware) { ((SeleneseQueueAware) browserLauncher).setSeleneseQueue(queue); } return browserLauncher; } catch (InvocationTargetException e) { throw new RuntimeException( "failed to contruct launcher for " + browserStartCommand + "for" + e.getTargetException()); } catch (Exception e) { throw new RuntimeException(e); } }