ONOS-743 - Use REST API Codecs to generate JSON for CLI commands

Change-Id: I25e0840d1af03341c638f837498c95275e6cf31b
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java
index 7f78756..f1a4f78 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/DeviceCodec.java
@@ -48,7 +48,7 @@
     @Override
     public ObjectNode encode(Device device, CodecContext context) {
         checkNotNull(device, "Device cannot be null");
-        DeviceService service = context.get(DeviceService.class);
+        DeviceService service = context.getService(DeviceService.class);
         ObjectNode result = context.mapper().createObjectNode()
                 .put(ID, device.id().toString())
                 .put(TYPE, device.type().name())