| /* |
| * Copyright 2015-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.codec.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.PortNumber; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.PortNumber.portNumber; |
| |
| /** |
| * Connection point JSON codec. |
| */ |
| public final class ConnectPointCodec extends JsonCodec<ConnectPoint> { |
| |
| // JSON field names |
| private static final String ELEMENT_HOST = "host"; |
| private static final String ELEMENT_DEVICE = "device"; |
| private static final String PORT = "port"; |
| |
| @Override |
| public ObjectNode encode(ConnectPoint point, CodecContext context) { |
| checkNotNull(point, "Connect point cannot be null"); |
| ObjectNode root = context.mapper().createObjectNode() |
| .put(PORT, point.port().toString()); |
| |
| if (point.elementId() instanceof DeviceId) { |
| root.put(ELEMENT_DEVICE, point.deviceId().toString()); |
| } else if (point.elementId() instanceof HostId) { |
| root.put(ELEMENT_HOST, point.hostId().toString()); |
| } |
| |
| return root; |
| } |
| |
| @Override |
| public ConnectPoint decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| ElementId elementId; |
| if (json.has(ELEMENT_DEVICE)) { |
| elementId = DeviceId.deviceId(json.get(ELEMENT_DEVICE).asText()); |
| } else if (json.has(ELEMENT_HOST)) { |
| elementId = HostId.hostId(json.get(ELEMENT_HOST).asText()); |
| } else { |
| // invalid JSON |
| return null; |
| } |
| PortNumber portNumber = portNumber(json.get(PORT).asText()); |
| return new ConnectPoint(elementId, portNumber); |
| } |
| } |