[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceCreateCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceCreateCommand.java
index bc8e332..8c0532c 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceCreateCommand.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceCreateCommand.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.vtnrsc.cli.routerinterface;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.vtnrsc.RouterId;
 import org.onosproject.vtnrsc.RouterInterface;
@@ -47,7 +47,7 @@
     String subnetId = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         RouterInterfaceService service = get(RouterInterfaceService.class);
         try {
             RouterInterface routerInterface = RouterInterface.routerInterface(
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceQueryCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceQueryCommand.java
index 71ad03f..733067f 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceQueryCommand.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceQueryCommand.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.vtnrsc.cli.routerinterface;
 
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.vtnrsc.RouterInterface;
 import org.onosproject.vtnrsc.SubnetId;
@@ -34,7 +34,7 @@
     private static final String FMT = "subnetId=%s, tenantId=%s, portId=%s, routerId=%s";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         RouterInterfaceService service = get(RouterInterfaceService.class);
         if (subnetId != null) {
             RouterInterface routerInterface = service
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceRemoveCommand.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceRemoveCommand.java
index f0ed094..18f1307 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceRemoveCommand.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/cli/routerinterface/RouterInterfaceRemoveCommand.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.vtnrsc.cli.routerinterface;
 
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.vtnrsc.RouterInterface;
 import org.onosproject.vtnrsc.SubnetId;
@@ -32,7 +32,7 @@
     String subnetId = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         RouterInterfaceService service = get(RouterInterfaceService.class);
         try {
             RouterInterface routerInterface = service