code: public static Context getCurrentContext()
      {
          Object helper = VMBridge.instance.getThreadContextHelper();
          return VMBridge.instance.getContext(helper);
      }
docs: Get the current Context.
  
  The current Context is per-thread; this method looks up
  the Context associated with the current thread. <p>
  
  @return the Context associated with the current thread, or
  null if no context is associated with the current
  thread.
  @see ContextFactory#enterContext()
  @see ContextFactory#call(ContextAction)