Implement dialer command line interface

This CL adds a generic interface to perform action and retrieve data in dialer.

Test: Unit tests
PiperOrigin-RevId: 182128015
Change-Id: Ib45ce9808bd4e0e4a9c9e05c0017e19c3213bb0d

1 files changed, 31 insertions, 0 deletions

diff --git a/java/com/android/dialer/commandline/Command.java b/java/com/android/dialer/commandline/Command.java
new file mode 100644
index 000000000..5a35d4002
--- /dev/null
+++ b/java/com/android/dialer/commandline/Command.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * 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 com.android.dialer.commandline;
+
+import android.support.annotation.NonNull;
+import com.google.common.collect.ImmutableList;
+import com.google.common.util.concurrent.ListenableFuture;
+
+/** Handles a Command from {@link CommandLineReceiver}. */
+public interface Command {
+
+  ListenableFuture<String> run(ImmutableList<String> args);
+
+  /** Describe the command when "help" is listing available commands. */
+  @NonNull
+  String getShortDescription();
+}