1 /* 2 * Copyright (C) 2019 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.example.atm; 18 19 import java.util.List; 20 import javax.inject.Inject; 21 22 final class HelloWorldCommand implements Command { 23 private final Outputter outputter; 24 25 @Inject HelloWorldCommand(Outputter outputter)26 HelloWorldCommand(Outputter outputter) { 27 this.outputter = outputter; 28 } 29 30 @Override handleInput(List<String> args)31 public Result handleInput(List<String> args) { 32 if (!args.isEmpty()) { 33 return Result.invalid(); 34 } 35 outputter.output("howdy!"); 36 return Result.handled(); 37 } 38 } 39