Implement blocking commands

Test: Unit tests
PiperOrigin-RevId: 182813080
Change-Id: I952f49352fb57c02c4efb9cc4ede84dc7c32c893

1 files changed, 14 insertions, 8 deletions

diff --git a/java/com/android/dialer/commandline/impl/Version.java b/java/com/android/dialer/commandline/impl/Version.java
index 5dfad9ae1..70476ea3e 100644
--- a/java/com/android/dialer/commandline/impl/Version.java
+++ b/java/com/android/dialer/commandline/impl/Version.java
@@ -20,9 +20,9 @@ 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.Arguments;
 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;
@@ -31,6 +31,18 @@ import javax.inject.Inject;
 /** Print the version name and code. */
 public class Version implements Command {
 
+  @NonNull
+  @Override
+  public String getShortDescription() {
+    return "Print dialer version";
+  }
+
+  @NonNull
+  @Override
+  public String getUsage() {
+    return "version";
+  }
+
   private final Context appContext;
 
   @Inject
@@ -39,7 +51,7 @@ public class Version implements Command {
   }
 
   @Override
-  public ListenableFuture<String> run(ImmutableList<String> args) {
+  public ListenableFuture<String> run(Arguments args) throws IllegalCommandLineArgumentException {
     try {
       PackageInfo info =
           appContext.getPackageManager().getPackageInfo(appContext.getPackageName(), 0);
@@ -49,10 +61,4 @@ public class Version implements Command {
       throw new RuntimeException(e);
     }
   }
-
-  @NonNull
-  @Override
-  public String getShortDescription() {
-    return "Print dialer version";
-  }
 }