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