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Diffstat (limited to 'framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java')
-rw-r--r-- | framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java b/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java new file mode 100644 index 00000000..f1a4f786 --- /dev/null +++ b/framework/src/onos/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java @@ -0,0 +1,93 @@ +/* + * Copyright 2014-2015 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.codec.impl; + +import com.fasterxml.jackson.databind.node.ObjectNode; + +import org.onlab.packet.ChassisId; +import org.onosproject.codec.CodecContext; +import org.onosproject.net.Annotations; +import org.onosproject.net.DefaultDevice; +import org.onosproject.net.Device; +import org.onosproject.net.Device.Type; +import org.onosproject.net.DeviceId; +import org.onosproject.net.device.DeviceService; +import org.onosproject.net.provider.ProviderId; + +import static com.google.common.base.Preconditions.checkNotNull; +import static org.onosproject.net.DeviceId.deviceId; + +/** + * Device JSON codec. + */ +public final class DeviceCodec extends AnnotatedCodec<Device> { + + // JSON fieldNames + private static final String ID = "id"; + private static final String TYPE = "type"; + private static final String MFR = "mfr"; + private static final String HW = "hw"; + private static final String SW = "sw"; + private static final String SERIAL = "serial"; + private static final String CHASSIS_ID = "chassisId"; + + + @Override + public ObjectNode encode(Device device, CodecContext context) { + checkNotNull(device, "Device cannot be null"); + DeviceService service = context.getService(DeviceService.class); + ObjectNode result = context.mapper().createObjectNode() + .put(ID, device.id().toString()) + .put(TYPE, device.type().name()) + .put("available", service.isAvailable(device.id())) + .put("role", service.getRole(device.id()).toString()) + .put(MFR, device.manufacturer()) + .put(HW, device.hwVersion()) + .put(SW, device.swVersion()) + .put(SERIAL, device.serialNumber()) + .put(CHASSIS_ID, device.chassisId().toString()); + return annotate(result, device, context); + } + + + /** + * {@inheritDoc} + * + * Note: ProviderId is not part of JSON representation. + * Returned object will have random ProviderId set. + */ + @Override + public Device decode(ObjectNode json, CodecContext context) { + if (json == null || !json.isObject()) { + return null; + } + + DeviceId id = deviceId(json.get(ID).asText()); + // TODO: add providerId to JSON if we need to recover them. + ProviderId pid = new ProviderId(id.uri().getScheme(), "DeviceCodec"); + + Type type = Type.valueOf(json.get(TYPE).asText()); + String mfr = json.get(MFR).asText(); + String hw = json.get(HW).asText(); + String sw = json.get(SW).asText(); + String serial = json.get(SERIAL).asText(); + ChassisId chassisId = new ChassisId(json.get(CHASSIS_ID).asText()); + Annotations annotations = extractAnnotations(json, context); + + return new DefaultDevice(pid, id, type, mfr, hw, sw, serial, + chassisId, annotations); + } +} |