Add L2 selector options to connectivity intents

Added --etherType, --etherSrc, and --etherDst to
PointToPointIntent and MultiPontToSinglePointIntent
creation in the ONOS CLI.

Change-Id: Ibccd3c0b331e7f89be6903f264a6889ac1ad5f17
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/EthTypeCompleter.java b/cli/src/main/java/org/onlab/onos/cli/net/EthTypeCompleter.java
new file mode 100644
index 0000000..51513ae
--- /dev/null
+++ b/cli/src/main/java/org/onlab/onos/cli/net/EthTypeCompleter.java
@@ -0,0 +1,28 @@
+package org.onlab.onos.cli.net;
+
+import java.util.List;
+import java.util.SortedSet;
+
+import org.apache.karaf.shell.console.Completer;
+import org.apache.karaf.shell.console.completer.StringsCompleter;
+
+/**
+ * Ethernet type completer.
+ */
+public class EthTypeCompleter implements Completer {
+    @Override
+    public int complete(String buffer, int cursor, List<String> candidates) {
+        // Delegate string completer
+        StringsCompleter delegate = new StringsCompleter();
+        SortedSet<String> strings = delegate.getStrings();
+        strings.add(EthType.ARP.toString());
+        strings.add(EthType.BSN.toString());
+        strings.add(EthType.IPV4.toString());
+        strings.add(EthType.LLDP.toString());
+        strings.add(EthType.RARP.toString());
+
+        // Now let the completer do the work for figuring out what to offer.
+        return delegate.complete(buffer, cursor, candidates);
+    }
+
+}