Remove redundant extensionTreatmentInterpreter support check

Change-Id: I1bcaefcdf8f97a7bed4916734142cabc04f566e4
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/NiciraExtensionTreatmentInterpreter.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/NiciraExtensionTreatmentInterpreter.java
index 9ea3750..7718537 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/NiciraExtensionTreatmentInterpreter.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/NiciraExtensionTreatmentInterpreter.java
@@ -161,7 +161,7 @@
     }
 
     @Override
-    public ExtensionTreatment mapAction(OFAction action) {
+    public ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException {
         if (action.getType().equals(OFActionType.SET_FIELD)) {
             OFActionSetField setFieldAction = (OFActionSetField) action;
             OFOxm<?> oxm = setFieldAction.getField();
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/OfdpaExtensionTreatmentInterpreter.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/OfdpaExtensionTreatmentInterpreter.java
index 45e6beb..33fbe76 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/OfdpaExtensionTreatmentInterpreter.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/OfdpaExtensionTreatmentInterpreter.java
@@ -58,7 +58,7 @@
     }
 
     @Override
-    public ExtensionTreatment mapAction(OFAction action) {
+    public ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException {
         if (action.getType().equals(OFActionType.SET_FIELD)) {
             OFActionSetField setFieldAction = (OFActionSetField) action;
             OFOxm<?> oxm = setFieldAction.getField();
diff --git a/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/ExtensionTreatmentInterpreter.java b/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/ExtensionTreatmentInterpreter.java
index 88a5353..868c9db 100644
--- a/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/ExtensionTreatmentInterpreter.java
+++ b/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/ExtensionTreatmentInterpreter.java
@@ -52,7 +52,8 @@
      *
      * @param action OpenFlow action
      * @return extension treatment
+     * @throws UnsupportedOperationException if driver does not support extension type
      */
-    ExtensionTreatment mapAction(OFAction action);
+    ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException;
 
 }
diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/util/FlowEntryBuilder.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/util/FlowEntryBuilder.java
index da0affc..a3c502a 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/util/FlowEntryBuilder.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/util/FlowEntryBuilder.java
@@ -45,7 +45,6 @@
 import org.onosproject.net.flow.TrafficSelector;
 import org.onosproject.net.flow.TrafficTreatment;
 import org.onosproject.net.flow.criteria.ExtensionSelectorType.ExtensionSelectorTypes;
-import org.onosproject.net.flow.instructions.ExtensionTreatmentType.ExtensionTreatmentTypes;
 import org.onosproject.net.flow.instructions.Instructions;
 import org.onosproject.openflow.controller.ExtensionSelectorInterpreter;
 import org.onosproject.openflow.controller.ExtensionTreatmentInterpreter;
@@ -393,7 +392,8 @@
                     break;
                 case ENQUEUE:
                     OFActionEnqueue enqueue = (OFActionEnqueue) act;
-                    builder.setQueue(enqueue.getQueueId(), PortNumber.portNumber(enqueue.getPort().getPortNumber()));
+                    builder.setQueue(enqueue.getQueueId(),
+                            PortNumber.portNumber(enqueue.getPort().getPortNumber()));
                     break;
                 case STRIP_VLAN:
                 case POP_VLAN:
@@ -447,10 +447,12 @@
             builder.setVlanPcp(vlanpcp.getValue().getValue());
             break;
         case VLAN_VID:
-            if (treatmentInterpreter != null &&
-                    treatmentInterpreter.supported(ExtensionTreatmentTypes.OFDPA_SET_VLAN_ID.type())) {
-                builder.extension(treatmentInterpreter.mapAction(action),
-                        deviceId);
+            if (treatmentInterpreter != null) {
+                try {
+                    builder.extension(treatmentInterpreter.mapAction(action), deviceId);
+                } catch (UnsupportedOperationException e) {
+                    log.warn(e.getMessage());
+                }
             } else {
                 @SuppressWarnings("unchecked")
                 OFOxm<OFVlanVidMatch> vlanvid = (OFOxm<OFVlanVidMatch>) oxm;
@@ -515,9 +517,12 @@
             builder.setUdpSrc(TpPort.tpPort(udpsrc.getValue().getPort()));
             break;
         case TUNNEL_IPV4_DST:
-            if (treatmentInterpreter != null &&
-                    treatmentInterpreter.supported(ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type())) {
-                builder.extension(treatmentInterpreter.mapAction(action), deviceId);
+            if (treatmentInterpreter != null) {
+                try {
+                    builder.extension(treatmentInterpreter.mapAction(action), deviceId);
+                } catch (UnsupportedOperationException e) {
+                    log.warn(e.getMessage());
+                }
             }
             break;
        case EXP_ODU_SIG_ID:
@@ -895,9 +900,9 @@
         return builder.build();
     }
 
-    private DriverHandler getDriver(DeviceId deviceId) {
-        Driver driver = driverService.getDriver(deviceId);
-        DriverHandler handler = new DefaultDriverHandler(new DefaultDriverData(driver, deviceId));
+    private DriverHandler getDriver(DeviceId devId) {
+        Driver driver = driverService.getDriver(devId);
+        DriverHandler handler = new DefaultDriverHandler(new DefaultDriverData(driver, devId));
         return handler;
     }
 }