private IRubyObject callEachType(
     MethodType type, IRubyObject rubyReceiver, String methodName, Block block, Object... args) {
   Ruby runtime = rubyReceiver.getRuntime();
   IRubyObject[] rubyArgs = null;
   if (args != null && args.length > 0) {
     rubyArgs = JavaUtil.convertJavaArrayToRuby(runtime, args);
     for (int i = 0; i < rubyArgs.length; i++) {
       IRubyObject obj = rubyArgs[i];
       if (obj instanceof JavaObject) {
         rubyArgs[i] = Java.wrap(runtime, obj);
       }
     }
   }
   ThreadContext context = runtime.getCurrentContext();
   switch (type) {
     case CALLMETHOD_NOARG:
       return RuntimeHelpers.invoke(context, rubyReceiver, methodName);
     case CALLMETHOD:
       return RuntimeHelpers.invoke(context, rubyReceiver, methodName, rubyArgs);
     case CALLMETHOD_WITHBLOCK:
       return RuntimeHelpers.invoke(context, rubyReceiver, methodName, rubyArgs, block);
     case CALLSUPER:
       return RuntimeHelpers.invokeSuper(context, rubyReceiver, rubyArgs, Block.NULL_BLOCK);
     case CALLSUPER_WITHBLOCK:
       return RuntimeHelpers.invokeSuper(context, rubyReceiver, rubyArgs, block);
     default:
       break;
   }
   return null;
 }