| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.drivers.lisp.extensions.codec; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.drivers.lisp.extensions.LispSrcDstAddress; |
| import org.onosproject.mapping.addresses.MappingAddress; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| |
| /** |
| * LISP source destination address codec. |
| */ |
| public final class LispSrcDstAddressCodec extends JsonCodec<LispSrcDstAddress> { |
| |
| protected static final String SRC_MASK_LENGTH = "srcMaskLength"; |
| protected static final String DST_MASK_LENGTH = "dstMaskLength"; |
| protected static final String SRC_PREFIX = "srcPrefix"; |
| protected static final String DST_PREFIX = "dstPrefix"; |
| |
| private static final String MISSING_MEMBER_MESSAGE = |
| " member is required in LispSrcDstAddress"; |
| |
| @Override |
| public ObjectNode encode(LispSrcDstAddress address, CodecContext context) { |
| checkNotNull(address, "LispSrcDstAddress cannot be null"); |
| |
| final JsonCodec<MappingAddress> addressCodec = |
| context.codec(MappingAddress.class); |
| |
| final ObjectNode result = context.mapper().createObjectNode() |
| .put(SRC_MASK_LENGTH, address.getSrcMaskLength()) |
| .put(DST_MASK_LENGTH, address.getDstMaskLength()); |
| |
| if (address.getSrcPrefix() != null) { |
| ObjectNode srcPrefix = addressCodec.encode(address.getSrcPrefix(), context); |
| result.set(SRC_PREFIX, srcPrefix); |
| } |
| |
| if (address.getDstPrefix() != null) { |
| ObjectNode dstPrefix = addressCodec.encode(address.getDstPrefix(), context); |
| result.set(DST_PREFIX, dstPrefix); |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public LispSrcDstAddress decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| byte srcMaskLength = (byte) nullIsIllegal(json.get(SRC_MASK_LENGTH), |
| SRC_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt(); |
| byte dstMaskLength = (byte) nullIsIllegal(json.get(DST_MASK_LENGTH), |
| DST_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| final JsonCodec<MappingAddress> addressCodec = |
| context.codec(MappingAddress.class); |
| |
| ObjectNode srcPrefixJson = get(json, SRC_PREFIX); |
| MappingAddress srcPrefix = null; |
| |
| ObjectNode dstPrefixJson = get(json, DST_PREFIX); |
| MappingAddress dstPrefix = null; |
| |
| if (srcPrefixJson != null) { |
| srcPrefix = addressCodec.decode(srcPrefixJson, context); |
| } |
| |
| if (dstPrefixJson != null) { |
| dstPrefix = addressCodec.decode(dstPrefixJson, context); |
| } |
| |
| return new LispSrcDstAddress.Builder() |
| .withSrcMaskLength(srcMaskLength) |
| .withDstMaskLength(dstMaskLength) |
| .withSrcPrefix(srcPrefix) |
| .withDstPrefix(dstPrefix) |
| .build(); |
| } |
| } |