How to use

getUserPrincipal

method

in

javax.portlet.filter.ActionRequestWrapper

@Override
public Principal getUserPrincipal() {
  if (_userPrincipal != null) {
    return _userPrincipal;
  }
  return super.getUserPrincipal();
}

public Principal getUserPrincipal() {
  if (_userPrincipal != null) {
    return _userPrincipal;
  }
  else {
    return super.getUserPrincipal();
  }
}