1 /*
2  * Copyright (C) 2015 The Android Open Source Project
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 com.android.camera.debug;
18 
19 import com.android.camera.debug.Log.Tag;
20 
21 import javax.annotation.ParametersAreNonnullByDefault;
22 
23 /**
24  * Like {@link android.util.Log}.
25  */
26 @ParametersAreNonnullByDefault
27 public interface Logger {
28     /**
29      * See {@link Log#d}.
30      */
d(String msg)31     public void d(String msg);
32 
33     /**
34      * See {@link Log#d}.
35      */
d(String msg, Throwable tr)36     public void d(String msg, Throwable tr);
37     /**
38      * See {@link Log#e}.
39      */
e(String msg)40     public void e(String msg);
41 
42     /**
43      * See {@link Log#e}.
44      */
e(String msg, Throwable tr)45     public void e(String msg, Throwable tr);
46 
47     /**
48      * See {@link Log#i}.
49      */
i(String msg)50     public void i(String msg);
51 
52     /**
53      * See {@link Log#i}.
54      */
i(String msg, Throwable tr)55     public void i(String msg, Throwable tr);
56 
57     /**
58      * See {@link Log#v}.
59      */
v(String msg)60     public void v(String msg);
61 
62     /**
63      * See {@link Log#v}.
64      */
v(String msg, Throwable tr)65     public void v(String msg, Throwable tr);
66 
67     /**
68      * See {@link Log#w}.
69      */
w(String msg)70     public void w(String msg);
71 
72     /**
73      * See {@link Log#w}.
74      */
w(String msg, Throwable tr)75     public void w(String msg, Throwable tr);
76 
77     /**
78      * Provides a Logger instance from a given Log tag.
79      */
80     public interface Factory {
create(Tag tag)81         public Logger create(Tag tag);
82     }
83 }
84