Refactor with adding unit test for OpenstackNetworkingUtil

Change-Id: Ie116b9215fb53ecc6a06d75da6d29ef2f2cb1d6a
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFloatingIpListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFloatingIpListCommand.java
index a2ef491..3270ac4 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFloatingIpListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFloatingIpListCommand.java
@@ -30,7 +30,7 @@
 import java.util.List;
 
 import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.modelEntityToJson;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 
 /**
  * Lists OpenStack floating IP addresses.
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
index 401dddc..9867f9c 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
@@ -31,7 +31,7 @@
 import java.util.stream.Collectors;
 
 import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.modelEntityToJson;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 
 /**
  * Lists OpenStack networks.
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
index aa38ffe..4583878 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackPortListCommand.java
@@ -34,7 +34,7 @@
 import java.util.stream.Collectors;
 
 import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.modelEntityToJson;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 
 /**
  * Lists OpenStack ports.
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java
index 772fa9b..3a69a3b 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java
@@ -35,7 +35,7 @@
 import java.util.stream.Collectors;
 
 import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.modelEntityToJson;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 
 /**
  * Lists OpenStack routers.
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackSecurityGroupListCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackSecurityGroupListCommand.java
index 9342bca..735cc87 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackSecurityGroupListCommand.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackSecurityGroupListCommand.java
@@ -30,7 +30,7 @@
 import java.util.List;
 
 import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
-import static org.onosproject.openstacknetworking.util.OpenstackUtil.modelEntityToJson;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.modelEntityToJson;
 
 /**
  * Lists OpenStack security groups.