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1 /* | |
2 * libjingle | |
3 * Copyright 2014 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 package org.appspot.apprtc.util; | |
29 | |
30 import android.os.Build; | |
31 import android.util.Log; | |
32 | |
33 /** | |
34 * AppRTCUtils provides helper functions for managing thread safety. | |
35 */ | |
36 public final class AppRTCUtils { | |
37 | |
38 private AppRTCUtils() { | |
39 } | |
40 | |
41 /** | |
42 * NonThreadSafe is a helper class used to help verify that methods of a | |
43 * class are called from the same thread. | |
44 */ | |
45 public static class NonThreadSafe { | |
46 private final Long threadId; | |
47 | |
48 public NonThreadSafe() { | |
49 // Store thread ID of the creating thread. | |
50 threadId = Thread.currentThread().getId(); | |
51 } | |
52 | |
53 /** Checks if the method is called on the valid/creating thread. */ | |
54 public boolean calledOnValidThread() { | |
55 return threadId.equals(Thread.currentThread().getId()); | |
56 } | |
57 } | |
58 | |
59 /** Helper method which throws an exception when an assertion has failed. */ | |
60 public static void assertIsTrue(boolean condition) { | |
61 if (!condition) { | |
62 throw new AssertionError("Expected condition to be true"); | |
63 } | |
64 } | |
65 | |
66 /** Helper method for building a string of thread information.*/ | |
67 public static String getThreadInfo() { | |
68 return "@[name=" + Thread.currentThread().getName() | |
69 + ", id=" + Thread.currentThread().getId() + "]"; | |
70 } | |
71 | |
72 /** Information about the current build, taken from system properties. */ | |
73 public static void logDeviceInfo(String tag) { | |
74 Log.d(tag, "Android SDK: " + Build.VERSION.SDK_INT + ", " | |
75 + "Release: " + Build.VERSION.RELEASE + ", " | |
76 + "Brand: " + Build.BRAND + ", " | |
77 + "Device: " + Build.DEVICE + ", " | |
78 + "Id: " + Build.ID + ", " | |
79 + "Hardware: " + Build.HARDWARE + ", " | |
80 + "Manufacturer: " + Build.MANUFACTURER + ", " | |
81 + "Model: " + Build.MODEL + ", " | |
82 + "Product: " + Build.PRODUCT); | |
83 } | |
84 } | |
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