CORD fabric app

Change-Id: I2d261762b432170463e1dbc40432193cad28c9b2
diff --git a/cli/src/main/java/org/onosproject/cli/PlaceholderCompleter.java b/cli/src/main/java/org/onosproject/cli/PlaceholderCompleter.java
new file mode 100644
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+++ b/cli/src/main/java/org/onosproject/cli/PlaceholderCompleter.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2015 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;
+
+import org.apache.karaf.shell.console.completer.StringsCompleter;
+
+import java.util.List;
+import java.util.SortedSet;
+
+/**
+ * A completer that can be used as a placeholder for arguments that don't
+ * need/want completers.
+ */
+public class PlaceholderCompleter extends AbstractCompleter {
+
+    @Override
+    public int complete(String s, int i, List<String> list) {
+        // Populate a string completer with what the user has typed so far
+        StringsCompleter delegate = new StringsCompleter();
+        SortedSet<String> strings = delegate.getStrings();
+        if (s != null) {
+            strings.add(s);
+        }
+        return delegate.complete(s, i, list);
+    }
+}