[ONOS-4258] Initial implementation of supporting extension in REST
- Support Nicira extension
Change-Id: I62bf4417e43459727ce7d4b1ac929c6cf0b7826f
diff --git a/core/api/src/main/java/org/onosproject/codec/ExtensionSelectorCodec.java b/core/api/src/main/java/org/onosproject/codec/ExtensionSelectorCodec.java
new file mode 100644
index 0000000..fc51216
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/codec/ExtensionSelectorCodec.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2016-present 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;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.net.driver.HandlerBehaviour;
+import org.onosproject.net.flow.criteria.ExtensionSelector;
+
+/**
+ * Interface for encode and decode extension selector.
+ */
+public interface ExtensionSelectorCodec extends HandlerBehaviour {
+
+ /**
+ * Encodes an extension selector to an JSON object.
+ *
+ * @param extensionSelector extension selector
+ * @param context encoding context
+ * @return JSON object
+ */
+ default ObjectNode encode(ExtensionSelector extensionSelector, CodecContext context) {
+ return null;
+ }
+
+ /**
+ * Decodes an JSON object to an extension selector.
+ *
+ * @param objectNode JSON object
+ * @param context decoding context
+ * @return extension selector
+ */
+ default ExtensionSelector decode(ObjectNode objectNode, CodecContext context) {
+ return null;
+ }
+}