public String getString(final String param) {
    checkNotNull(param);
    checkArgument(!param.isEmpty());

    final String ret = params.get(param);
    observeWithListeners(param);

    if (ret != null) {
      return ret;
    } else {
      throw new MissingRequiredParameter(fullString(param));
    }
  }
public String getString ( final String param ) { checkNotNull ( param ) ; checkArgument ( ! param . isEmpty ( ) ) ; final String ret = params . get ( param ) ; observeWithListeners ( param ) ; if ( ret != null ) { return ret ; } else { throw new MissingRequiredParameter ( fullString ( param ) ) ; } }
Gets the value for a parameter as a raw string.