[ONOS-7905] Add default implementation for kubernetes data model
Change-Id: I08e9266dec2050e8299e4189745608a6e03fd06e
diff --git a/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/codec/K8sNetworkCodec.java b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/codec/K8sNetworkCodec.java
new file mode 100644
index 0000000..e6e646b
--- /dev/null
+++ b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/codec/K8sNetworkCodec.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2019-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.k8snetworking.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.k8snetworking.api.DefaultK8sNetwork;
+import org.onosproject.k8snetworking.api.K8sNetwork;
+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;
+
+/**
+ * Kubernetes network codec used for serializing and de-serializing JSON string.
+ */
+public final class K8sNetworkCodec extends JsonCodec<K8sNetwork> {
+
+ private final Logger log = getLogger(getClass());
+
+ private static final String NETWORK_ID = "networkId";
+ private static final String TYPE = "type";
+ private static final String MTU = "mtu";
+ private static final String SEGMENT_ID = "segmentId";
+ private static final String GATEWAY_IP = "gatewayIp";
+ private static final String CIDR = "cidr";
+
+ private static final String MISSING_MESSAGE = " is required in K8sNetwork";
+
+ @Override
+ public ObjectNode encode(K8sNetwork network, CodecContext context) {
+ checkNotNull(network, "Kubernetes network cannot be null");
+
+ ObjectNode result = context.mapper().createObjectNode()
+ .put(NETWORK_ID, network.networkId())
+ .put(TYPE, network.type().name())
+ .put(SEGMENT_ID, network.segmentId())
+ .put(GATEWAY_IP, network.gatewayIp().toString())
+ .put(CIDR, network.cidr());
+
+ if (network.mtu() != null) {
+ result.put(MTU, network.mtu());
+ }
+
+ return result;
+ }
+
+ @Override
+ public K8sNetwork decode(ObjectNode json, CodecContext context) {
+ if (json == null || !json.isObject()) {
+ return null;
+ }
+
+ String networkId = nullIsIllegal(json.get(NETWORK_ID).asText(),
+ NETWORK_ID + MISSING_MESSAGE);
+ String type = nullIsIllegal(json.get(TYPE).asText(),
+ TYPE + MISSING_MESSAGE);
+ String segmentId = nullIsIllegal(json.get(SEGMENT_ID).asText(),
+ SEGMENT_ID + MISSING_MESSAGE);
+ String gatewayIp = nullIsIllegal(json.get(GATEWAY_IP).asText(),
+ GATEWAY_IP + MISSING_MESSAGE);
+ String cidr = nullIsIllegal(json.get(CIDR).asText(),
+ CIDR + MISSING_MESSAGE);
+
+ DefaultK8sNetwork.Builder networkBuilder = DefaultK8sNetwork.builder()
+ .networkId(networkId)
+ .type(K8sNetwork.Type.valueOf(type))
+ .segmentId(segmentId)
+ .gatewayIp(IpAddress.valueOf(gatewayIp))
+ .cidr(cidr);
+
+ if (json.get(MTU) != null) {
+ networkBuilder.mtu(json.get(MTU).asInt());
+ }
+
+ return networkBuilder.build();
+ }
+}