diff options
Diffstat (limited to 'java/com/android/dialer/commandline/impl/Echo.java')
-rw-r--r-- | java/com/android/dialer/commandline/impl/Echo.java | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/android/dialer/commandline/impl/Echo.java b/java/com/android/dialer/commandline/impl/Echo.java new file mode 100644 index 000000000..b5f2f084b --- /dev/null +++ b/java/com/android/dialer/commandline/impl/Echo.java @@ -0,0 +1,45 @@ +/* + * 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.support.annotation.NonNull; +import android.support.annotation.VisibleForTesting; +import android.text.TextUtils; +import com.android.dialer.commandline.Command; +import com.google.common.collect.ImmutableList; +import com.google.common.util.concurrent.Futures; +import com.google.common.util.concurrent.ListenableFuture; +import javax.inject.Inject; + +/** Print arguments. */ +public class Echo implements Command { + + @VisibleForTesting + @Inject + public Echo() {} + + @Override + public ListenableFuture<String> run(ImmutableList<String> args) { + return Futures.immediateFuture(TextUtils.join(" ", args)); + } + + @NonNull + @Override + public String getShortDescription() { + return "@hide Print all arguments."; + } +} |