How to use

getParameterValues

method

in

javax.portlet.filter.ActionRequestWrapper

@Override
public String[] getParameterValues(String name) {
  String[] values = _params.get(name);
  if (_inherit && (values == null)) {
    return super.getParameterValues(name);
  }
  return values;
}

@Override
public String[] getParameterValues(String name) {
  String[] values = getMultipartParameters().get(name);
  if (values != null) {
    return values;
  }
  return super.getParameterValues(name);
}

@Override
public String[] getParameterValues(String name) {
  String[] values = getMultipartParameters().get(name);
  if (values != null) {
    return values;
  }
  return super.getParameterValues(name);
}