Jian Li | d144501 | 2017-04-09 02:12:07 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.drivers.lisp.extensions.codec; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import org.onosproject.codec.CodecContext; |
| 20 | import org.onosproject.codec.JsonCodec; |
| 21 | import org.onosproject.drivers.lisp.extensions.LispListAddress; |
| 22 | import org.onosproject.mapping.addresses.MappingAddress; |
| 23 | import org.slf4j.Logger; |
| 24 | |
| 25 | import static com.google.common.base.Preconditions.checkNotNull; |
| 26 | import static org.slf4j.LoggerFactory.getLogger; |
| 27 | |
| 28 | /** |
| 29 | * LISP list address codec. |
| 30 | */ |
| 31 | public final class LispListAddressCodec extends JsonCodec<LispListAddress> { |
| 32 | |
| 33 | private final Logger log = getLogger(getClass()); |
| 34 | |
| 35 | protected static final String IPV4 = "ipv4"; |
| 36 | protected static final String IPV6 = "ipv6"; |
| 37 | |
| 38 | private static final String MISSING_MEMBER_MESSAGE = |
| 39 | " member is required in LispListAddress"; |
| 40 | |
| 41 | @Override |
| 42 | public ObjectNode encode(LispListAddress address, CodecContext context) { |
| 43 | checkNotNull(address, "LispListAddress cannot be null"); |
| 44 | |
| 45 | final ObjectNode result = context.mapper().createObjectNode(); |
| 46 | |
| 47 | final JsonCodec<MappingAddress> addressCodec = |
| 48 | context.codec(MappingAddress.class); |
| 49 | |
| 50 | if (address.getIpv4() != null) { |
| 51 | ObjectNode ipv4Node = addressCodec.encode(address.getIpv4(), context); |
| 52 | result.set(IPV4, ipv4Node); |
| 53 | } |
| 54 | |
| 55 | if (address.getIpv6() != null) { |
| 56 | ObjectNode ipv6Node = addressCodec.encode(address.getIpv6(), context); |
| 57 | result.set(IPV6, ipv6Node); |
| 58 | } |
| 59 | |
| 60 | if (address.getIpv4() == null && address.getIpv6() == null) { |
| 61 | log.error("Either IPv4 or IPv6 address should be specified."); |
| 62 | } |
| 63 | |
| 64 | return result; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public LispListAddress decode(ObjectNode json, CodecContext context) { |
| 69 | if (json == null || !json.isObject()) { |
| 70 | return null; |
| 71 | } |
| 72 | |
| 73 | final JsonCodec<MappingAddress> addressCodec = |
| 74 | context.codec(MappingAddress.class); |
| 75 | ObjectNode ipv4Json = get(json, IPV4); |
| 76 | ObjectNode ipv6Json = get(json, IPV6); |
| 77 | MappingAddress ipv4Address = null; |
| 78 | MappingAddress ipv6Address = null; |
| 79 | |
| 80 | if (ipv4Json != null) { |
| 81 | ipv4Address = addressCodec.decode(ipv4Json, context); |
| 82 | } |
| 83 | |
| 84 | if (ipv6Json != null) { |
| 85 | ipv6Address = addressCodec.decode(ipv6Json, context); |
| 86 | } |
| 87 | |
| 88 | if (ipv4Json == null && ipv6Json == null) { |
| 89 | log.error("Either IPv4 or IPv6 address should be specified."); |
| 90 | } |
| 91 | |
| 92 | return new LispListAddress.Builder() |
| 93 | .withIpv4(ipv4Address) |
| 94 | .withIpv6(ipv6Address) |
| 95 | .build(); |
| 96 | } |
| 97 | } |