public static Collection <IUserTab> createRegisteredUsertabs (IEclipseContext context) {
  Collection <IUserTab> usertabInstances = new ArrayList<IUserTab>();
		
  for (Class<? extends IUserTab> nextTab: usertabs) {
	IUserTab userTab = ContextInjectionFactory.make(nextTab, context);
	if (userTab == null)
 	  throw new IllegalStateException("Could not find usertab with class " + nextTab.getName());
			
	usertabInstances.add(userTab);
  }
	
  return usertabInstances;
}