[ONOS-3114] Vtn codec registrator added

Change-Id: I500e8a9c5f67603cb287d8deab33cddf2e93cbaa
diff --git a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/VtnCodecRegistrator.java b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/VtnCodecRegistrator.java
new file mode 100644
index 0000000..e2defe5
--- /dev/null
+++ b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/VtnCodecRegistrator.java
@@ -0,0 +1,56 @@
+/*
+ * 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.vtnweb.web;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.codec.CodecService;
+import org.onosproject.vtnrsc.FlowClassifier;
+import org.onosproject.vtnrsc.PortChain;
+import org.onosproject.vtnrsc.PortPair;
+import org.onosproject.vtnrsc.PortPairGroup;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Implementation of the JSON codec brokering service for VTN app.
+ */
+@Component(immediate = true)
+public class VtnCodecRegistrator {
+
+    private static Logger log = LoggerFactory.getLogger(VtnCodecRegistrator.class);
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected CodecService codecService;
+
+    @Activate
+    public void activate() {
+        codecService.registerCodec(PortPair.class, new PortPairCodec());
+        codecService.registerCodec(PortPairGroup.class, new PortPairGroupCodec());
+        codecService.registerCodec(FlowClassifier.class, new FlowClassifierCodec());
+        codecService.registerCodec(PortChain.class, new PortChainCodec());
+
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+}