| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.mapping.codec; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.mapping.actions.MappingAction; |
| import org.onosproject.mapping.actions.NoMappingAction; |
| import org.onosproject.mapping.actions.DropMappingAction; |
| import org.onosproject.mapping.actions.ForwardMappingAction; |
| import org.onosproject.mapping.actions.NativeForwardMappingAction; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Encode portion of the mapping action codec. |
| */ |
| public final class EncodeMappingActionCodecHelper { |
| protected static final Logger log = getLogger(EncodeMappingActionCodecHelper.class); |
| private final MappingAction action; |
| private final CodecContext context; |
| |
| /** |
| * Creates a mapping action object encoder. |
| * |
| * @param action mapping action to encode |
| * @param context codec context for the encoding |
| */ |
| public EncodeMappingActionCodecHelper(MappingAction action, |
| CodecContext context) { |
| this.action = action; |
| this.context = context; |
| } |
| |
| /** |
| * Encodes a no mapping action. |
| * |
| * @param result json node that the mapping action attributes are added to |
| */ |
| private void encodeNoMappingAction(ObjectNode result) { |
| NoMappingAction noMappingAction = (NoMappingAction) action; |
| result.put(MappingActionCodec.TYPE, noMappingAction.type().name()); |
| } |
| |
| /** |
| * Encodes a drop mapping action. |
| * |
| * @param result json node that the mapping action attributes are added to |
| */ |
| private void encodeDropMappingAction(ObjectNode result) { |
| DropMappingAction dropMappingAction = (DropMappingAction) action; |
| result.put(MappingActionCodec.TYPE, dropMappingAction.type().name()); |
| } |
| |
| /** |
| * Encodes a forward mapping action. |
| * |
| * @param result json node that the mapping action attributes are added to |
| */ |
| private void encodeForwardMappingAction(ObjectNode result) { |
| ForwardMappingAction forwardMappingAction = (ForwardMappingAction) action; |
| result.put(MappingActionCodec.TYPE, forwardMappingAction.type().name()); |
| } |
| |
| /** |
| * Encodes a native forward mapping action. |
| * |
| * @param result json node that the mapping action attributes are added to |
| */ |
| private void encodeNativeForwardMappingAction(ObjectNode result) { |
| NativeForwardMappingAction nativeMappingAction = (NativeForwardMappingAction) action; |
| result.put(MappingActionCodec.TYPE, nativeMappingAction.type().name()); |
| } |
| |
| /** |
| * Encodes the given mapping instruction into JSON. |
| * |
| * @return JSON object node representing the mapping action |
| */ |
| public ObjectNode encode() { |
| final ObjectNode result = context.mapper().createObjectNode() |
| .put(MappingActionCodec.TYPE, action.type().toString()); |
| |
| switch (action.type()) { |
| case DROP: |
| encodeDropMappingAction(result); |
| break; |
| case FORWARD: |
| encodeForwardMappingAction(result); |
| break; |
| case NATIVE_FORWARD: |
| encodeNativeForwardMappingAction(result); |
| break; |
| case NO_ACTION: |
| encodeNoMappingAction(result); |
| break; |
| default: |
| log.info("Cannot convert mapping action type of {}", action.type()); |
| break; |
| } |
| return result; |
| } |
| } |