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);
+    }
+}