@Override public void checkClass(TypeElement e) throws ProcessorError { // support any class that implements Parcelable if (!ProcessorUtils.isSubClassOf(e, Parcelable.class)) { throw new ProcessorError(e, ParcelErrorMsg.Invalid_Parcel_class); } // check constructor if (!hasParcelableConstructor(e)) { throw new ProcessorError(e, ParcelErrorMsg.Parcel_class_without_constructor); } }