code: public static final String getNLSMessage(String key, Object... args) {
          return NLS.getFormattedMessage(key, args, key);
      }
docs: Retrieve a translated message from the J2C messages file.
  If the message cannot be found, the key is returned.
  
  @param key a valid message key from the J2C messages file.
  @param args a list of parameters to include in the translatable message.
  
  @return a translated message.