Move static factory methods to the utility class

Change-Id: Icf458adf78f51823e4ffa31346595fa9716485bf
diff --git a/cli/src/main/java/org/onosproject/cli/net/ResourcesCommand.java b/cli/src/main/java/org/onosproject/cli/net/ResourcesCommand.java
index bf9201b..c64518c 100644
--- a/cli/src/main/java/org/onosproject/cli/net/ResourcesCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/ResourcesCommand.java
@@ -46,6 +46,7 @@
 import com.google.common.collect.Range;
 import com.google.common.collect.RangeSet;
 import com.google.common.collect.TreeRangeSet;
+import org.onosproject.net.newresource.Resources;
 
 /**
  * Lists available resources.
@@ -89,11 +90,11 @@
             DeviceId deviceId = deviceId(deviceIdStr);
             PortNumber portNumber = PortNumber.fromString(portNumberStr);
 
-            printResource(Resource.discrete(deviceId, portNumber).resource(), 0);
+            printResource(Resources.discrete(deviceId, portNumber).resource(), 0);
         } else if (deviceIdStr != null) {
             DeviceId deviceId = deviceId(deviceIdStr);
 
-            printResource(Resource.discrete(deviceId).resource(), 0);
+            printResource(Resources.discrete(deviceId).resource(), 0);
         } else {
             printResource(Resource.ROOT, 0);
         }