1 /* 2 * Copyright (C) 2020 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 example.dagger; 18 19 import java.util.ArrayList; 20 import java.util.List; 21 import javax.inject.Inject; 22 import javax.inject.Singleton; 23 24 /** A logger to logs steps while brewing coffee. */ 25 @Singleton 26 public final class CoffeeLogger { 27 private final List<String> logs = new ArrayList<>(); 28 29 @Inject CoffeeLogger()30 CoffeeLogger() {} 31 log(String msg)32 public void log(String msg) { 33 logs.add(msg); 34 } 35 logs()36 public List<String> logs() { 37 return new ArrayList<>(logs); 38 } 39 } 40