[ONOS-5607] Add LISP router, controller and listener interfaces

Change-Id: If01738d1b0e4e264618392844d96a9cf31cbd7c7
diff --git a/protocols/lisp/api/src/test/java/org/onosproject/lisp/ctl/LispControllerAdapter.java b/protocols/lisp/api/src/test/java/org/onosproject/lisp/ctl/LispControllerAdapter.java
new file mode 100644
index 0000000..c096131
--- /dev/null
+++ b/protocols/lisp/api/src/test/java/org/onosproject/lisp/ctl/LispControllerAdapter.java
@@ -0,0 +1,51 @@
+/*
+ * 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.lisp.ctl;
+
+/**
+ * Test adapter for the LISP controller interface.
+ */
+public class LispControllerAdapter implements LispController {
+    @Override
+    public Iterable<LispRouter> getRouters() {
+        return null;
+    }
+
+    @Override
+    public LispRouter getRouter(LispRouterId routerId) {
+        return null;
+    }
+
+    @Override
+    public void addRouterListener(LispRouterListener listener) {
+
+    }
+
+    @Override
+    public void removeRouterListener(LispRouterListener listener) {
+
+    }
+
+    @Override
+    public void addMessageListener(LispMessageListener listener) {
+
+    }
+
+    @Override
+    public void removeMessageListener(LispMessageListener listener) {
+
+    }
+}