[ONOS-6235] Implement an interpreter of LispExtensionMappingAddress

Change-Id: I39f66d5e3bcee50b361a6ba33f3fa09e2599f7df
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/addresses/MappingAddresses.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/addresses/MappingAddresses.java
index 1a3cafe..1024f14 100644
--- a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/addresses/MappingAddresses.java
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/addresses/MappingAddresses.java
@@ -90,4 +90,15 @@
                   extensionMappingAddressWrapper(ExtensionMappingAddress address, DeviceId deviceId) {
         return new ExtensionMappingAddressWrapper(address, deviceId);
     }
+
+    /**
+     * Creates an extension mapping address wrapper.
+     *
+     * @param address extension mapping address
+     * @return extension mapping address wrapper
+     */
+    public static ExtensionMappingAddressWrapper
+                    extensionMappingAddressWrapper(ExtensionMappingAddress address) {
+        return new ExtensionMappingAddressWrapper(address, null);
+    }
 }