} else { String ipv4Address = ipv4Array.optString(j); if (!IPAddressVidator.isIpv4Address(ipv4Address)) { onem2mResponse.setRSC(Onem2m.ResponseStatusCode.CONTENTS_UNACCEPTABLE, "PRIVILEGES(" + IP_V4_ADDRESSES+ ") : " + ipv4Address+ " is not a valid Ipv4 address."); } else { String ipv6Address = ipv6Array.optString(j); if (!IPAddressVidator.isIpv6Address(ipv6Address)) { onem2mResponse.setRSC(Onem2m.ResponseStatusCode.CONTENTS_UNACCEPTABLE, "PRIVILEGES(" + IP_V6_ADDRESSES+ ") : " + ipv6Address+ " is not a valid Ipv6 address.");