TLog.java revision 7c5f2935442e974ce30158e35d142f7e2c3ee1a2 
1/*
2 * Copyright (C) 2014 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
17package com.android.testingcamera2;
18
19import java.util.Locale;
20
21import android.util.Log;
22
23public class TLog {
24
25    private static Logger mLogger;
26    private static final String TAG = "TestingCamera2";
27
28    synchronized static public void setLogger(Logger logger) {
29        mLogger = logger;
30    }
31
32    /**
33     * Log an informative message to the current log destination and to the system log.
34     * Supports formatting in the style of String.format()
35     *
36     * @param text The text to print out, with optional formatting specifiers
37     * @param args Arguments to fill in to the string
38     */
39    synchronized static public void i(String text, Object... args) {
40        if (args.length > 0) {
41            text = String.format(Locale.US, text, args);
42        }
43        android.util.Log.i(TAG, text);
44        if (mLogger != null) {
45            mLogger.addToLog(text, false);
46        }
47    }
48
49    /**
50     * Log an error message to the current log destination and to the system log.
51     * Supports formatting in the style of String.format()
52     *
53     * @param text The text to print out, with optional formatting specifiers
54     * @param args Arguments to fill in to the string
55     */
56    synchronized static public void e(String text, Object... args) {
57        if (args.length > 0) {
58            text = String.format(Locale.US, text, args);
59        }
60        android.util.Log.e(TAG, text);
61        if (mLogger != null) {
62            mLogger.addToLog(text, true);
63        }
64    }
65
66    /**
67     * Log an error message to the current log destination and to the system log,
68     * including the exception stack trace.
69     *
70     * <p>The trace will be added after the main error message.  Supports formatting in
71     * the style of String.format()</p>
72     *
73     * @param text The text to print out, with optional formatting specifiers
74     * @param e The throwable for the error
75     * @param args Arguments to fill in to the string
76     */
77    synchronized static public void e(String text, Throwable e, Object... args) {
78        text = String.format("%s\n%s", text, Log.getStackTraceString(e));
79        if (args.length > 0) {
80            text = String.format(Locale.US, text, args);
81        }
82        android.util.Log.e(TAG, text);
83        if (mLogger != null) {
84            mLogger.addToLog(text, true);
85        }
86    }
87
88    public interface Logger {
89        public void addToLog(String text, boolean error);
90    }
91}