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/*
* 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);
}
}
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