Jian Li | 5baef51 | 2017-04-10 20:25:18 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Jian Li | 5baef51 | 2017-04-10 20:25:18 +0900 | [diff] [blame] | 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.LispSrcDstAddress; |
| 22 | import org.onosproject.mapping.addresses.MappingAddress; |
| 23 | |
| 24 | import static com.google.common.base.Preconditions.checkNotNull; |
| 25 | import static org.onlab.util.Tools.nullIsIllegal; |
| 26 | |
| 27 | /** |
| 28 | * LISP source destination address codec. |
| 29 | */ |
| 30 | public final class LispSrcDstAddressCodec extends JsonCodec<LispSrcDstAddress> { |
| 31 | |
| 32 | protected static final String SRC_MASK_LENGTH = "srcMaskLength"; |
| 33 | protected static final String DST_MASK_LENGTH = "dstMaskLength"; |
| 34 | protected static final String SRC_PREFIX = "srcPrefix"; |
| 35 | protected static final String DST_PREFIX = "dstPrefix"; |
| 36 | |
| 37 | private static final String MISSING_MEMBER_MESSAGE = |
| 38 | " member is required in LispSrcDstAddress"; |
| 39 | |
| 40 | @Override |
| 41 | public ObjectNode encode(LispSrcDstAddress address, CodecContext context) { |
| 42 | checkNotNull(address, "LispSrcDstAddress cannot be null"); |
| 43 | |
| 44 | final JsonCodec<MappingAddress> addressCodec = |
| 45 | context.codec(MappingAddress.class); |
| 46 | |
| 47 | final ObjectNode result = context.mapper().createObjectNode() |
| 48 | .put(SRC_MASK_LENGTH, address.getSrcMaskLength()) |
| 49 | .put(DST_MASK_LENGTH, address.getDstMaskLength()); |
| 50 | |
| 51 | if (address.getSrcPrefix() != null) { |
| 52 | ObjectNode srcPrefix = addressCodec.encode(address.getSrcPrefix(), context); |
| 53 | result.set(SRC_PREFIX, srcPrefix); |
| 54 | } |
| 55 | |
| 56 | if (address.getDstPrefix() != null) { |
| 57 | ObjectNode dstPrefix = addressCodec.encode(address.getDstPrefix(), context); |
| 58 | result.set(DST_PREFIX, dstPrefix); |
| 59 | } |
| 60 | |
| 61 | return result; |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public LispSrcDstAddress decode(ObjectNode json, CodecContext context) { |
| 66 | if (json == null || !json.isObject()) { |
| 67 | return null; |
| 68 | } |
| 69 | |
| 70 | byte srcMaskLength = (byte) nullIsIllegal(json.get(SRC_MASK_LENGTH), |
| 71 | SRC_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt(); |
| 72 | byte dstMaskLength = (byte) nullIsIllegal(json.get(DST_MASK_LENGTH), |
| 73 | DST_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt(); |
| 74 | |
| 75 | final JsonCodec<MappingAddress> addressCodec = |
| 76 | context.codec(MappingAddress.class); |
| 77 | |
| 78 | ObjectNode srcPrefixJson = get(json, SRC_PREFIX); |
| 79 | MappingAddress srcPrefix = null; |
| 80 | |
| 81 | ObjectNode dstPrefixJson = get(json, DST_PREFIX); |
| 82 | MappingAddress dstPrefix = null; |
| 83 | |
| 84 | if (srcPrefixJson != null) { |
| 85 | srcPrefix = addressCodec.decode(srcPrefixJson, context); |
| 86 | } |
| 87 | |
| 88 | if (dstPrefixJson != null) { |
| 89 | dstPrefix = addressCodec.decode(dstPrefixJson, context); |
| 90 | } |
| 91 | |
| 92 | return new LispSrcDstAddress.Builder() |
| 93 | .withSrcMaskLength(srcMaskLength) |
| 94 | .withDstMaskLength(dstMaskLength) |
| 95 | .withSrcPrefix(srcPrefix) |
| 96 | .withDstPrefix(dstPrefix) |
| 97 | .build(); |
| 98 | } |
| 99 | } |