code: public boolean createNewFile() throws IOException {
          try {
              create(NfsCreateMode.GUARDED, new NfsSetAttributes(), null);
          } catch (NfsException e) {
              if (e.getStatus() == NfsStatus.NFS3ERR_EXIST) {
                  return false;
              }
              throw e;
          }
          return true;
      }
docs: /*
  (non-Javadoc)
  
  @see com.emc.ecs.nfsclient.util.NfsFile#createNewFile()