Add static factory method to create ConnectPoints from strings.

Change-Id: I743b4a4fb433ad07cf6f2cbed3da7b6e19a74ebb
diff --git a/cli/src/main/java/org/onosproject/cli/net/AddMultiPointToSinglePointIntentCommand.java b/cli/src/main/java/org/onosproject/cli/net/AddMultiPointToSinglePointIntentCommand.java
index 66083b8..dc792f4 100644
--- a/cli/src/main/java/org/onosproject/cli/net/AddMultiPointToSinglePointIntentCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/AddMultiPointToSinglePointIntentCommand.java
@@ -18,8 +18,6 @@
 import org.apache.karaf.shell.commands.Argument;
 import org.apache.karaf.shell.commands.Command;
 import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.TrafficSelector;
 import org.onosproject.net.flow.TrafficTreatment;
 import org.onosproject.net.intent.Constraint;
@@ -31,9 +29,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static org.onosproject.net.DeviceId.deviceId;
-import static org.onosproject.net.PortNumber.portNumber;
-
 /**
  * Installs connectivity intent between multiple ingress devices and a single egress device.
  */
@@ -55,16 +50,12 @@
         }
 
         String egressDeviceString = deviceStrings[deviceStrings.length - 1];
-        DeviceId egressDeviceId = deviceId(getDeviceId(egressDeviceString));
-        PortNumber egressPortNumber = portNumber(getPortNumber(egressDeviceString));
-        ConnectPoint egress = new ConnectPoint(egressDeviceId, egressPortNumber);
-        Set<ConnectPoint> ingressPoints = new HashSet<>();
+        ConnectPoint egress = ConnectPoint.deviceConnectPoint(egressDeviceString);
 
+        Set<ConnectPoint> ingressPoints = new HashSet<>();
         for (int index = 0; index < deviceStrings.length - 1; index++) {
             String ingressDeviceString = deviceStrings[index];
-            DeviceId ingressDeviceId = deviceId(getDeviceId(ingressDeviceString));
-            PortNumber ingressPortNumber = portNumber(getPortNumber(ingressDeviceString));
-            ConnectPoint ingress = new ConnectPoint(ingressDeviceId, ingressPortNumber);
+            ConnectPoint ingress = ConnectPoint.deviceConnectPoint(ingressDeviceString);
             ingressPoints.add(ingress);
         }
 
@@ -85,32 +76,4 @@
         service.submit(intent);
         print("Multipoint to single point intent submitted:\n%s", intent.toString());
     }
-
-    /**
-     * Extracts the port number portion of the ConnectPoint.
-     *
-     * @param deviceString string representing the device/port
-     * @return port number as a string, empty string if the port is not found
-     */
-    private String getPortNumber(String deviceString) {
-        int slash = deviceString.indexOf('/');
-        if (slash <= 0) {
-            return "";
-        }
-        return deviceString.substring(slash + 1, deviceString.length());
-    }
-
-    /**
-     * Extracts the device ID portion of the ConnectPoint.
-     *
-     * @param deviceString string representing the device/port
-     * @return device ID string
-     */
-    private String getDeviceId(String deviceString) {
-        int slash = deviceString.indexOf('/');
-        if (slash <= 0) {
-            return "";
-        }
-        return deviceString.substring(0, slash);
-    }
 }