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/*
* 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.Arguments;
import com.android.dialer.commandline.Command;
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 {
@NonNull
@Override
public String getShortDescription() {
return "@hide Print all arguments.";
}
@NonNull
@Override
public String getUsage() {
return "echo [arguments...]";
}
@VisibleForTesting
@Inject
public Echo() {}
@Override
public ListenableFuture<String> run(Arguments args) throws IllegalCommandLineArgumentException {
return Futures.immediateFuture(TextUtils.join(" ", args.getPositionals()));
}
}
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