| /* |
| * Copyright 2016-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.net.key.DeviceKey; |
| import org.onosproject.net.key.DeviceKeyId; |
| import org.onosproject.net.key.DeviceKeyService; |
| import org.slf4j.Logger; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Device key JSON codec. |
| */ |
| public class DeviceKeyCodec extends AnnotatedCodec<DeviceKey> { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| // JSON fieldNames |
| private static final String ID = "id"; |
| private static final String TYPE = "type"; |
| private static final String LABEL = "label"; |
| private static final String COMMUNITY_NAME = "community_name"; |
| private static final String USERNAME = "username"; |
| private static final String PASSWORD = "password"; |
| |
| @Override |
| public ObjectNode encode(DeviceKey deviceKey, CodecContext context) { |
| checkNotNull(deviceKey, "Device key cannot be null"); |
| DeviceKeyService service = context.getService(DeviceKeyService.class); |
| ObjectNode result = context.mapper().createObjectNode() |
| .put(ID, deviceKey.deviceKeyId().id()) |
| .put(TYPE, deviceKey.type().toString()) |
| .put(LABEL, deviceKey.label()); |
| |
| if (deviceKey.type().equals(DeviceKey.Type.COMMUNITY_NAME)) { |
| result.put(COMMUNITY_NAME, deviceKey.asCommunityName().name()); |
| } else if (deviceKey.type().equals(DeviceKey.Type.USERNAME_PASSWORD)) { |
| result.put(USERNAME, deviceKey.asUsernamePassword().username()); |
| result.put(PASSWORD, deviceKey.asUsernamePassword().password()); |
| } |
| |
| return annotate(result, deviceKey, context); |
| } |
| |
| @Override |
| public DeviceKey decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| DeviceKeyId id = DeviceKeyId.deviceKeyId(json.get(ID).asText()); |
| |
| DeviceKey.Type type = DeviceKey.Type.valueOf(json.get(TYPE).asText()); |
| String label = extract(json, LABEL); |
| |
| if (type.equals(DeviceKey.Type.COMMUNITY_NAME)) { |
| String communityName = extract(json, COMMUNITY_NAME); |
| return DeviceKey.createDeviceKeyUsingCommunityName(id, label, communityName); |
| } else if (type.equals(DeviceKey.Type.USERNAME_PASSWORD)) { |
| String username = extract(json, USERNAME); |
| String password = extract(json, PASSWORD); |
| return DeviceKey.createDeviceKeyUsingUsernamePassword(id, label, username, password); |
| } else { |
| log.error("Unknown device key type: ", type); |
| return null; |
| } |
| } |
| |
| /** |
| * Extract the key from the json node. |
| * |
| * @param json json object |
| * @param key key to use extract the value from the json object |
| * @return extracted value from the json object |
| */ |
| private String extract(ObjectNode json, String key) { |
| return json.get(key) == null ? null : json.get(key).asText(); |
| } |
| } |