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, 58 insertions, 0 deletions

diff --git a/java/com/android/dialer/commandline/impl/Version.java b/java/com/android/dialer/commandline/impl/Version.java
new file mode 100644
index 000000000..5dfad9ae1
--- /dev/null
+++ b/java/com/android/dialer/commandline/impl/Version.java
@@ -0,0 +1,58 @@
+/*
+ * 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.impl;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.support.annotation.NonNull;
+import com.android.dialer.commandline.Command;
+import com.android.dialer.inject.ApplicationContext;
+import com.google.common.collect.ImmutableList;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.Locale;
+import javax.inject.Inject;
+
+/** Print the version name and code. */
+public class Version implements Command {
+
+  private final Context appContext;
+
+  @Inject
+  Version(@ApplicationContext Context context) {
+    this.appContext = context;
+  }
+
+  @Override
+  public ListenableFuture<String> run(ImmutableList<String> args) {
+    try {
+      PackageInfo info =
+          appContext.getPackageManager().getPackageInfo(appContext.getPackageName(), 0);
+      return Futures.immediateFuture(
+          String.format(Locale.US, "%s(%d)", info.versionName, info.versionCode));
+    } catch (NameNotFoundException e) {
+      throw new RuntimeException(e);
+    }
+  }
+
+  @NonNull
+  @Override
+  public String getShortDescription() {
+    return "Print dialer version";
+  }
+}