Support to inject custom controller info through openstacknode
Change-Id: I3a545477b99f515b9e35ee0e7d5aaa03d979eaf7
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackControllerCodec.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackControllerCodec.java
new file mode 100644
index 0000000..1921d43
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackControllerCodec.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacknode.codec;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.net.behaviour.ControllerInfo;
+import org.slf4j.Logger;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Openstack controller codec used for serializing and de-serializing JSON string.
+ */
+public class OpenstackControllerCodec extends JsonCodec<ControllerInfo> {
+
+ private final Logger log = getLogger(getClass());
+
+ private static final String IP = "ip";
+ private static final String PORT = "port";
+ private static final String TCP = "tcp"; // controller connection should always be TCP
+
+ private static final String MISSING_MESSAGE = " is required in ControllerInfo";
+
+ @Override
+ public ObjectNode encode(ControllerInfo controller, CodecContext context) {
+ checkNotNull(controller, "Openstack controller cannot be null");
+
+ return context.mapper().createObjectNode()
+ .put(IP, controller.ip().toString())
+ .put(PORT, controller.port());
+ }
+
+ @Override
+ public ControllerInfo decode(ObjectNode json, CodecContext context) {
+ if (json == null || !json.isObject()) {
+ return null;
+ }
+
+ String ip = nullIsIllegal(json.get(IP).asText(),
+ IP + MISSING_MESSAGE);
+ int port = nullIsIllegal(json.get(PORT).asInt(),
+ PORT + MISSING_MESSAGE);
+
+ return new ControllerInfo(IpAddress.valueOf(ip), port, TCP);
+ }
+}