private void addRevokeResponseHeaders( OAuthRevocationResponseDTO revokeResponseDTP, String accessToken, String refreshToken, String authorizedUser) { List<ResponseHeader> respHeaders = new ArrayList<>(); ResponseHeader header = new ResponseHeader(); header.setKey("RevokedAccessToken"); header.setValue(accessToken); respHeaders.add(header); header = new ResponseHeader(); header.setKey("AuthorizedUser"); header.setValue(authorizedUser); respHeaders.add(header); header = new ResponseHeader(); header.setKey("RevokedRefreshToken"); header.setValue(refreshToken); respHeaders.add(header); revokeResponseDTP.setResponseHeaders( respHeaders.toArray(new ResponseHeader[respHeaders.size()])); }