Move multicast CLI commands into the core with the core mcast system.

Change-Id: If442803cf530cfeb949e7fbce34f74db082f30c1
diff --git a/cli/src/main/java/org/onosproject/cli/net/McastShowCommand.java b/cli/src/main/java/org/onosproject/cli/net/McastShowCommand.java
new file mode 100644
index 0000000..2b9a56a
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/McastShowCommand.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cli.net;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.mcast.McastRoute;
+import org.onosproject.net.mcast.MulticastRouteService;
+
+import java.util.Set;
+
+/**
+ * Displays the source, multicast group flows entries.
+ */
+@Command(scope = "onos", name = "mcast-show", description = "Displays the source, multicast group flows")
+public class McastShowCommand extends AbstractShellCommand {
+
+    private static final String FORMAT = "route=%s, source=%s, sinks=%s";
+
+    @Override
+    protected void execute() {
+        MulticastRouteService mcastService = get(MulticastRouteService.class);
+
+        Set<McastRoute> routes = mcastService.getRoutes();
+
+        for (McastRoute route : routes) {
+            Set<ConnectPoint> sinks = mcastService.fetchSinks(route);
+            ConnectPoint source = mcastService.fetchSource(route);
+
+            print(FORMAT, route, source, sinks);
+        }
+    }
+
+}